author | Stefan Vogel <sv@exept.de> |
Fri, 28 Oct 2005 13:50:57 +0200 | |
changeset 8969 | 978613904d0b |
parent 8968 | 879991b52630 |
child 8976 | 2ff451956d48 |
permissions | -rw-r--r-- |
1 | 1 |
" |
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COPYRIGHT (c) 1989 by Claus Gittinger |
159 | 3 |
All Rights Reserved |
1 | 4 |
|
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This software is furnished under a license and may be used |
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only in accordance with the terms of that license and with the |
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inclusion of the above copyright notice. This software may not |
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be provided or otherwise made available to, or used by, any |
|
9 |
other person. No title to or ownership of the software is |
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hereby transferred. |
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" |
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"{ Package: 'stx:libbasic' }" |
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NonPositionableExternalStream subclass:#PipeStream |
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instanceVariableNames:'commandString pid exitStatus exitSema exitAction' |
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classVariableNames:'BrokenPipeSignal' |
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poolDictionaries:'' |
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category:'Streams-External' |
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! |
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!PipeStream primitiveDefinitions! |
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%{ |
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#if defined(WIN32) |
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# undef UNIX_LIKE |
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# define MSDOS_LIKE |
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#endif |
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||
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#include <stdio.h> |
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#define _STDIO_H_INCLUDED_ |
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#include <errno.h> |
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#define _ERRNO_H_INCLUDED_ |
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#ifndef transputer |
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# include <sys/types.h> |
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# include <sys/stat.h> |
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#endif |
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/* |
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* on some systems errno is a macro ... check for it here |
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*/ |
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#ifndef errno |
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extern errno; |
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#endif |
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||
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#ifdef LINUX |
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# define BUGGY_STDIO_LIB |
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#endif |
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||
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%} |
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! ! |
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!PipeStream primitiveFunctions! |
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%{ |
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||
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/* |
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* no longer needed - popen is useless ... |
60 |
*/ |
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#undef NEED_POPEN_WITH_VFORK |
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||
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/* |
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* some systems (i.e. ultrix) use fork; |
65 |
* were better off with a popen based on vfork ... |
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*/ |
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#ifdef NEED_POPEN_WITH_VFORK |
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static int popen_pid = 0; |
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||
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FILE * |
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popen(command, type) |
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/* const */ char *command; |
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/* const */ char *type; |
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{ |
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int pipes[2]; |
|
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int itype = (strcmp(type, "w") == 0 ? 1 : 0); |
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if (pipe(pipes) == -1) |
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return NULL; |
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switch (popen_pid = vfork()) { |
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case -1: |
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(void)close(pipes[0]); |
85 |
(void)close(pipes[1]); |
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return NULL; |
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case 0: |
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if (itype) { |
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dup2(pipes[0], fileno(stdin)); |
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close(pipes[1]); |
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} else { |
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dup2(pipes[1], fileno(stdout)); |
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close(pipes[0]); |
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} |
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execl("/bin/sh", "/bin/sh", "-c", command, 0); |
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fprintf(stderr, "XRN Error: failed the execlp\n"); |
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_exit(-1); |
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/* NOTREACHED */ |
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default: |
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if (itype) { |
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close(pipes[0]); |
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return fdopen(pipes[1], "w"); |
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} else { |
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close(pipes[1]); |
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return fdopen(pipes[0], "r"); |
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} |
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} |
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} |
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int |
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pclose(str) |
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FILE *str; |
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{ |
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int pd = 0; |
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int status; |
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int err; |
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err = fclose(str); |
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do { |
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if ((pd = wait(&status)) == -1) |
124 |
{ |
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err = EOF; |
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break; |
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} |
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} while (pd != popen_pid); |
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if (err == EOF) |
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return -1; |
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if (status) |
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status >>= 8; /* exit status in high byte */ |
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return status; |
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} |
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||
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#endif /* NEED_POPEN_WITH_VFORK */ |
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%} |
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! ! |
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||
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!PipeStream class methodsFor:'documentation'! |
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copyright |
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" |
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COPYRIGHT (c) 1989 by Claus Gittinger |
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All Rights Reserved |
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150 |
||
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This software is furnished under a license and may be used |
|
152 |
only in accordance with the terms of that license and with the |
|
153 |
inclusion of the above copyright notice. This software may not |
|
154 |
be provided or otherwise made available to, or used by, any |
|
155 |
other person. No title to or ownership of the software is |
|
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hereby transferred. |
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" |
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! |
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||
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documentation |
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" |
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Pipestreams allow reading or writing from/to a unix command. |
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For example, to get a stream reading the output of an 'ls -l' |
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command, a PipeStream can be created with: |
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PipeStream readingFrom:'ls -l' |
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the characters of the commands output can be read using the |
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standard stream messages as next, nextLine etc. |
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Example for writing to a command: |
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PipeStream writingTo:'cat >/tmp/x' |
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Bidirectional pipestreams (supporting both reading an writing) may be used for filters: |
613 | 176 |
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PipeStream bidirectionalFor:'sed -e ''s/Hello/Greetings/''' |
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Buffered pipes do not work with Linux - the stdio library seems to be |
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buggy (trying to restart the read ...) |
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[author:] |
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Claus Gittinger |
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185 |
[see also:] |
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ExternalStream FileStream Socket |
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187 |
OperatingSystem |
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" |
189 |
! ! |
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190 |
||
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!PipeStream class methodsFor:'initialization'! |
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193 |
initialize |
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194 |
"setup the signal" |
|
195 |
||
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BrokenPipeSignal isNil ifTrue:[ |
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BrokenPipeSignal := WriteError newSignalMayProceed:true. |
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BrokenPipeSignal nameClass:self message:#brokenPipeSignal. |
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BrokenPipeSignal notifierString:'write on a pipe with no one to read'. |
57 | 200 |
] |
2 | 201 |
! ! |
202 |
||
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!PipeStream class methodsFor:'instance creation'! |
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bidirectionalFor:commandString |
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"create and return a new bidirectonal pipeStream which can both be written to |
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and read from the unix command given by commandString. |
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The commands error output is send to my own error output." |
2 | 209 |
|
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^ self |
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bidirectionalFor:commandString |
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errorDisposition:#stderr |
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inDirectory:nil |
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|
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" |
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|p| |
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|
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p := PipeStream bidirectionalFor:'cat -u'. |
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219 |
p nextPutAll:'Wer ist der Bürgermeister von Wesel'; cr. |
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220 |
Transcript showCR:p nextLine. |
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221 |
p close |
2966 | 222 |
" |
223 |
||
224 |
" |
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|p| |
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|
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p := PipeStream bidirectionalFor:'sed -e ''s/Hello/Greetings/'''. |
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228 |
p nextPutAll:'Hello world'; cr. |
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229 |
p shutDownOutput. |
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230 |
Transcript showCR:p nextLine. |
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231 |
p close |
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" |
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! |
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234 |
|
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235 |
bidirectionalFor:commandString errorDisposition:errorDisposition inDirectory:aDirectory |
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236 |
"create and return a new bidirectonal pipeStream which can both be written to |
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|
237 |
and read from the unix command given by commandString. |
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|
238 |
The directory will be changed to aDirectory while |
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239 |
executing the command. Use this if a command is to be |
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240 |
executed in another directory, to avoid any OS dependencies |
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241 |
in your code. |
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242 |
|
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243 |
errorDisposition may be one of #discard, #inline or #stderr (default). |
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244 |
#discard causes stderr to be discarded (/dev/null), |
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245 |
#inline causes it to be written to smalltalks own stdout and |
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246 |
#stderr causes it to be written to smalltalks own stderr. |
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247 |
Nil is treated like #stderr" |
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248 |
|
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249 |
^ self basicNew |
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250 |
openPipeFor:commandString |
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251 |
withMode:#'r+' |
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252 |
errorDisposition:errorDisposition |
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253 |
inDirectory:aDirectory |
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254 |
! |
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255 |
|
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256 |
readingFrom:commandString |
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257 |
"create and return a new pipeStream which can read from the unix command |
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258 |
given by commandString. |
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259 |
The commands error output is send to my own error output." |
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260 |
|
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261 |
^ self |
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262 |
readingFrom:commandString |
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263 |
errorDisposition:#stderr |
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264 |
inDirectory:nil |
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265 |
|
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266 |
"unix: |
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267 |
PipeStream readingFrom:'ls -l'. |
2966 | 268 |
" |
269 |
||
270 |
" |
|
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|p| |
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|
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273 |
p := PipeStream readingFrom:'ls -l'. |
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274 |
Transcript showCR:p nextLine. |
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275 |
p close |
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276 |
" |
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277 |
|
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|
278 |
" |
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|
279 |
|s| |
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|
280 |
s := PipeStream readingFrom:'sh -c sleep\ 600'. |
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|
281 |
(Delay forSeconds:2) wait. |
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|
282 |
s shutDown |
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|
283 |
" |
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|
284 |
|
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|
285 |
"vms: |
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|
286 |
PipeStream readingFrom:'dir'. |
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|
287 |
" |
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|
288 |
|
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|
289 |
" |
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|
290 |
|p| |
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|
291 |
p := PipeStream readingFrom:'dir'. |
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|
292 |
Transcript showCR:p nextLine. |
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293 |
p close |
2966 | 294 |
" |
295 |
||
296 |
"msdos: |
|
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297 |
PipeStream readingFrom:'dir'. |
2966 | 298 |
" |
299 |
" |
|
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|
300 |
|p| |
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|
301 |
p := PipeStream readingFrom:'dir'. |
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|
302 |
Transcript showCR:p nextLine. |
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|
303 |
p close |
2966 | 304 |
" |
305 |
||
1648
faa891d2c1b0
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|
306 |
"Modified: 24.4.1996 / 09:09:25 / stefan" |
613 | 307 |
! |
1 | 308 |
|
4202
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generalized errorDisposition (for other OS's);
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|
309 |
readingFrom:commandString errorDisposition:errorDisposition inDirectory:aDirectory |
2985
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New method #readingFrom:errorDisposition:inDirectory.
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|
310 |
"similar to #readingFrom, but changes the directory while |
eff9e86dd2f9
New method #readingFrom:errorDisposition:inDirectory.
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|
311 |
executing the command. Use this if a command is to be |
eff9e86dd2f9
New method #readingFrom:errorDisposition:inDirectory.
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|
312 |
executed in another directory, to avoid any OS dependencies |
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New method #readingFrom:errorDisposition:inDirectory.
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|
313 |
in your code. |
4202
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|
314 |
errorDisposition may be one of #discard, #inline or #stderr (default). |
b9f85ebd2e38
generalized errorDisposition (for other OS's);
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|
315 |
#discard causes stderr to be discarded (/dev/null), |
b9f85ebd2e38
generalized errorDisposition (for other OS's);
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|
316 |
#inline causes it to be merged into the PipeStream and |
b9f85ebd2e38
generalized errorDisposition (for other OS's);
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|
317 |
#stderr causes it to be written to smalltalks own stderr. |
b9f85ebd2e38
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|
318 |
Nil is treated like #stderr" |
2985
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New method #readingFrom:errorDisposition:inDirectory.
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|
319 |
|
4202
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generalized errorDisposition (for other OS's);
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|
320 |
^ self basicNew |
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|
321 |
openPipeFor:commandString |
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|
322 |
withMode:#r |
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|
323 |
errorDisposition:errorDisposition |
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|
324 |
inDirectory:aDirectory |
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New method #readingFrom:errorDisposition:inDirectory.
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|
325 |
! |
eff9e86dd2f9
New method #readingFrom:errorDisposition:inDirectory.
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|
326 |
|
2969
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
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|
327 |
readingFrom:commandString inDirectory:aDirectory |
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
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|
328 |
"similar to #readingFrom, but changes the directory while |
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
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diff
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|
329 |
executing the command. Use this if a command is to be |
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
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diff
changeset
|
330 |
executed in another directory, to avoid any OS dependencies |
4202
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generalized errorDisposition (for other OS's);
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|
331 |
in your code. |
b9f85ebd2e38
generalized errorDisposition (for other OS's);
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|
332 |
The commands error output is send to my own error output." |
2969
1fcf6dfb6004
VMS pipes in another directory
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|
333 |
|
3563 | 334 |
^ self |
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|
335 |
readingFrom:commandString |
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|
336 |
errorDisposition:#stderr |
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|
337 |
inDirectory:aDirectory |
2969
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VMS pipes in another directory
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|
338 |
|
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|
339 |
" |
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|
340 |
|p| |
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|
341 |
|
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|
342 |
p := PipeStream readingFrom:'ls -l' inDirectory:'/etc'. |
879991b52630
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|
343 |
Transcript showCR:p upToEnd. |
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|
344 |
p close |
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|
345 |
" |
2969
1fcf6dfb6004
VMS pipes in another directory
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|
346 |
! |
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
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changeset
|
347 |
|
2 | 348 |
writingTo:commandString |
1 | 349 |
"create and return a new pipeStream which can write to the unix command |
350 |
given by command." |
|
351 |
||
4202
b9f85ebd2e38
generalized errorDisposition (for other OS's);
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|
352 |
^ self |
b9f85ebd2e38
generalized errorDisposition (for other OS's);
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|
353 |
writingTo:commandString errorDisposition:#stderr inDirectory:nil |
1 | 354 |
|
2966 | 355 |
"unix: |
2969
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
356 |
PipeStream writingTo:'sort' |
2966 | 357 |
" |
2969
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
parents:
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changeset
|
358 |
! |
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
359 |
|
4202
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
4125
diff
changeset
|
360 |
writingTo:commandString errorDisposition:errorDisposition inDirectory:aDirectory |
2969
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
361 |
"similar to #writingTo, but changes the directory while |
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
parents:
2966
diff
changeset
|
362 |
executing the command. Use this if a command is to be |
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
parents:
2966
diff
changeset
|
363 |
executed in another directory, to avoid any OS dependencies |
4202
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
4125
diff
changeset
|
364 |
in your code. |
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
365 |
errorDisposition may be one of #discard, #inline or #stderr (default). |
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
366 |
#discard causes stderr to be discarded (/dev/null), |
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
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changeset
|
367 |
#inline causes it to be written to smalltalks own stdout and |
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
368 |
#stderr causes it to be written to smalltalks own stderr. |
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
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changeset
|
369 |
Nil is treated like #stderr" |
2969
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
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diff
changeset
|
370 |
|
4202
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generalized errorDisposition (for other OS's);
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changeset
|
371 |
^ self basicNew |
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|
372 |
openPipeFor:commandString |
879991b52630
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changeset
|
373 |
withMode:#w |
879991b52630
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|
374 |
errorDisposition:errorDisposition |
879991b52630
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changeset
|
375 |
inDirectory:aDirectory |
4526
a42dc8e09586
errorOpen renamed to errorAlreadyOpen
Claus Gittinger <cg@exept.de>
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diff
changeset
|
376 |
! |
a42dc8e09586
errorOpen renamed to errorAlreadyOpen
Claus Gittinger <cg@exept.de>
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diff
changeset
|
377 |
|
a42dc8e09586
errorOpen renamed to errorAlreadyOpen
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
378 |
writingTo:commandString inDirectory:aDirectory |
a42dc8e09586
errorOpen renamed to errorAlreadyOpen
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
379 |
"create and return a new pipeStream which can write to the unix command |
8968
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|
380 |
given by commandString. The command is executed in the given directory." |
4526
a42dc8e09586
errorOpen renamed to errorAlreadyOpen
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changeset
|
381 |
|
a42dc8e09586
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Claus Gittinger <cg@exept.de>
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changeset
|
382 |
^ self |
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|
383 |
writingTo:commandString errorDisposition:#stderr inDirectory:aDirectory |
4526
a42dc8e09586
errorOpen renamed to errorAlreadyOpen
Claus Gittinger <cg@exept.de>
parents:
4202
diff
changeset
|
384 |
|
a42dc8e09586
errorOpen renamed to errorAlreadyOpen
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
385 |
"unix: |
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Support for bidirectional PipeStreams
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changeset
|
386 |
PipeStream writingTo:'sort' |
4526
a42dc8e09586
errorOpen renamed to errorAlreadyOpen
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
387 |
" |
613 | 388 |
! ! |
389 |
||
2266 | 390 |
!PipeStream class methodsFor:'Signal constants'! |
1 | 391 |
|
613 | 392 |
brokenPipeSignal |
2985
eff9e86dd2f9
New method #readingFrom:errorDisposition:inDirectory.
Stefan Vogel <sv@exept.de>
parents:
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diff
changeset
|
393 |
"return the signal used to handle SIGPIPE unix-signals. |
eff9e86dd2f9
New method #readingFrom:errorDisposition:inDirectory.
Stefan Vogel <sv@exept.de>
parents:
2976
diff
changeset
|
394 |
Since SIGPIPE is asynchronous, we can't decide which smalltalk process |
eff9e86dd2f9
New method #readingFrom:errorDisposition:inDirectory.
Stefan Vogel <sv@exept.de>
parents:
2976
diff
changeset
|
395 |
should handle BrokenPipeSignal. So the system doesn't raise |
eff9e86dd2f9
New method #readingFrom:errorDisposition:inDirectory.
Stefan Vogel <sv@exept.de>
parents:
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diff
changeset
|
396 |
BrokenPipeSignal for SIGPIPE any longer." |
1 | 397 |
|
613 | 398 |
^ BrokenPipeSignal |
2985
eff9e86dd2f9
New method #readingFrom:errorDisposition:inDirectory.
Stefan Vogel <sv@exept.de>
parents:
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diff
changeset
|
399 |
|
eff9e86dd2f9
New method #readingFrom:errorDisposition:inDirectory.
Stefan Vogel <sv@exept.de>
parents:
2976
diff
changeset
|
400 |
"Modified: 24.9.1997 / 09:43:23 / stefan" |
1 | 401 |
! ! |
402 |
||
99 | 403 |
!PipeStream methodsFor:'accessing'! |
404 |
||
405 |
commandString |
|
406 |
"return the command string" |
|
407 |
||
408 |
^ commandString |
|
1648
faa891d2c1b0
Use OperatingSystem executeCommand:... instead of popen().
Stefan Vogel <sv@exept.de>
parents:
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diff
changeset
|
409 |
! |
faa891d2c1b0
Use OperatingSystem executeCommand:... instead of popen().
Stefan Vogel <sv@exept.de>
parents:
1295
diff
changeset
|
410 |
|
faa891d2c1b0
Use OperatingSystem executeCommand:... instead of popen().
Stefan Vogel <sv@exept.de>
parents:
1295
diff
changeset
|
411 |
exitStatus |
faa891d2c1b0
Use OperatingSystem executeCommand:... instead of popen().
Stefan Vogel <sv@exept.de>
parents:
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diff
changeset
|
412 |
"return exitStatus" |
faa891d2c1b0
Use OperatingSystem executeCommand:... instead of popen().
Stefan Vogel <sv@exept.de>
parents:
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diff
changeset
|
413 |
|
faa891d2c1b0
Use OperatingSystem executeCommand:... instead of popen().
Stefan Vogel <sv@exept.de>
parents:
1295
diff
changeset
|
414 |
^ exitStatus |
faa891d2c1b0
Use OperatingSystem executeCommand:... instead of popen().
Stefan Vogel <sv@exept.de>
parents:
1295
diff
changeset
|
415 |
|
faa891d2c1b0
Use OperatingSystem executeCommand:... instead of popen().
Stefan Vogel <sv@exept.de>
parents:
1295
diff
changeset
|
416 |
"Created: 28.12.1995 / 14:54:41 / stefan" |
faa891d2c1b0
Use OperatingSystem executeCommand:... instead of popen().
Stefan Vogel <sv@exept.de>
parents:
1295
diff
changeset
|
417 |
! |
faa891d2c1b0
Use OperatingSystem executeCommand:... instead of popen().
Stefan Vogel <sv@exept.de>
parents:
1295
diff
changeset
|
418 |
|
faa891d2c1b0
Use OperatingSystem executeCommand:... instead of popen().
Stefan Vogel <sv@exept.de>
parents:
1295
diff
changeset
|
419 |
pid |
faa891d2c1b0
Use OperatingSystem executeCommand:... instead of popen().
Stefan Vogel <sv@exept.de>
parents:
1295
diff
changeset
|
420 |
"return pid" |
faa891d2c1b0
Use OperatingSystem executeCommand:... instead of popen().
Stefan Vogel <sv@exept.de>
parents:
1295
diff
changeset
|
421 |
|
faa891d2c1b0
Use OperatingSystem executeCommand:... instead of popen().
Stefan Vogel <sv@exept.de>
parents:
1295
diff
changeset
|
422 |
^ pid |
faa891d2c1b0
Use OperatingSystem executeCommand:... instead of popen().
Stefan Vogel <sv@exept.de>
parents:
1295
diff
changeset
|
423 |
|
faa891d2c1b0
Use OperatingSystem executeCommand:... instead of popen().
Stefan Vogel <sv@exept.de>
parents:
1295
diff
changeset
|
424 |
"Created: 28.12.1995 / 14:54:30 / stefan" |
99 | 425 |
! ! |
426 |
||
8968
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
427 |
!PipeStream methodsFor:'closing'! |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
428 |
|
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
429 |
shutDown |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
430 |
"close the Stream and terminate the command" |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
431 |
|
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
432 |
Lobby unregister:self. |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
433 |
|
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
434 |
"terminate first under windows" |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
435 |
OperatingSystem isMSDOSlike ifTrue:[ |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
436 |
self terminatePipeCommand. |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
437 |
self closeFileDescriptor. |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
438 |
^ self. |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
439 |
]. |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
440 |
|
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
441 |
"terminate last under unix" |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
442 |
self closeFileDescriptor. |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
443 |
self terminatePipeCommand. |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
444 |
! |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
445 |
|
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
446 |
shutDownOutput |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
447 |
"signal to the pipestream's command, that no more data will be sent" |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
448 |
|
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
449 |
OperatingSystem shutdownBidirectionalPipeOutput:self fileDescriptor |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
450 |
! ! |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
451 |
|
5243 | 452 |
!PipeStream methodsFor:'finalization'! |
453 |
||
6439
0f841258ec4a
Use #finalize instead of #disposed
Stefan Vogel <sv@exept.de>
parents:
6267
diff
changeset
|
454 |
finalize |
5243 | 455 |
"redefined to avoid blocking in close." |
456 |
||
457 |
self shutDown |
|
458 |
! ! |
|
459 |
||
8968
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
460 |
!PipeStream protectedMethodsFor:'private'! |
1 | 461 |
|
462 |
closeFile |
|
1648
faa891d2c1b0
Use OperatingSystem executeCommand:... instead of popen().
Stefan Vogel <sv@exept.de>
parents:
1295
diff
changeset
|
463 |
"low level close |
230 | 464 |
This waits for the command to finish. |
465 |
Use shutDown for a fast (nonBlocking) close." |
|
1 | 466 |
|
7027 | 467 |
filePointer notNil ifTrue:[ |
468 |
super closeFile. |
|
469 |
OperatingSystem isMSDOSlike ifTrue:[ |
|
470 |
self terminatePipeCommand. |
|
471 |
]. |
|
3834
93ec07316a98
oops - must nil pid when terminating the process
Claus Gittinger <cg@exept.de>
parents:
3833
diff
changeset
|
472 |
|
7027 | 473 |
filePointer := nil. |
474 |
pid notNil ifTrue:[ |
|
475 |
"/ wait for the pipe-command to terminate. |
|
476 |
self waitForPipeCommandWithTimeout:nil. |
|
477 |
]. |
|
1648
faa891d2c1b0
Use OperatingSystem executeCommand:... instead of popen().
Stefan Vogel <sv@exept.de>
parents:
1295
diff
changeset
|
478 |
]. |
3833
3ae90f8da01a
terminate process BEFORE closing the pipe under win32
Claus Gittinger <cg@exept.de>
parents:
3791
diff
changeset
|
479 |
|
3834
93ec07316a98
oops - must nil pid when terminating the process
Claus Gittinger <cg@exept.de>
parents:
3833
diff
changeset
|
480 |
"Modified: / 12.9.1998 / 16:51:04 / cg" |
369 | 481 |
! |
482 |
||
483 |
closeFileDescriptor |
|
484 |
"alternative very low level close |
|
485 |
This closes the underlying OS-fileDescriptor |
|
486 |
- and will NOT write any buffered data to the stream. |
|
487 |
You have been warned." |
|
488 |
||
2969
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
parents:
2966
diff
changeset
|
489 |
|action| |
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
parents:
2966
diff
changeset
|
490 |
|
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
parents:
2966
diff
changeset
|
491 |
%{ |
3296 | 492 |
#if !defined(transputer) |
369 | 493 |
OBJ fp; |
494 |
FILE *f; |
|
4616 | 495 |
extern close(); |
6267
10016cc16511
pass name of API/C wrap function
Claus Gittinger <cg@exept.de>
parents:
5880
diff
changeset
|
496 |
int retVal; |
369 | 497 |
|
1133 | 498 |
if ((fp = __INST(filePointer)) != nil) { |
6487 | 499 |
__INST(filePointer) = nil; |
500 |
f = __FILEVal(fp); |
|
501 |
if (@global(FileOpenTrace) == true) { |
|
502 |
fprintf(stderr, "close [PipeStream] %x fd=%d\n", f, fileno(f)); |
|
503 |
} |
|
3744 | 504 |
#ifdef WIN32 |
6487 | 505 |
do { |
506 |
__threadErrno = 0; |
|
507 |
retVal = __STX_C_CALL1( "close", (void*)close, (void*)fileno(f) ); |
|
508 |
} while ((retVal < 0) && (__threadErrno == EINTR)); |
|
3744 | 509 |
#else |
6487 | 510 |
__BEGIN_INTERRUPTABLE__ |
511 |
close(fileno(f)); |
|
512 |
__END_INTERRUPTABLE__ |
|
3744 | 513 |
#endif |
369 | 514 |
} |
3296 | 515 |
#endif /* not transputer */ |
2969
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
parents:
2966
diff
changeset
|
516 |
%}. |
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
parents:
2966
diff
changeset
|
517 |
exitAction notNil ifTrue:[ |
6487 | 518 |
action := exitAction. |
519 |
exitAction := nil. |
|
520 |
action value. |
|
2969
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
parents:
2966
diff
changeset
|
521 |
] |
8520 | 522 |
! ! |
523 |
||
1 | 524 |
!PipeStream methodsFor:'private'! |
525 |
||
2969
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
parents:
2966
diff
changeset
|
526 |
exitAction:aBlock |
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
parents:
2966
diff
changeset
|
527 |
"define a block to be evaluated when the pipe is closed. |
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
parents:
2966
diff
changeset
|
528 |
This is only used with VMS, to remove any temporary COM file. |
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
parents:
2966
diff
changeset
|
529 |
(see readingFrom:inDirectory:)" |
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
parents:
2966
diff
changeset
|
530 |
|
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
parents:
2966
diff
changeset
|
531 |
exitAction := aBlock |
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
parents:
2966
diff
changeset
|
532 |
! |
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
parents:
2966
diff
changeset
|
533 |
|
7079
07625dfffcbf
Cleanup filedescriptor closing on #exec:withArguments:....
Stefan Vogel <sv@exept.de>
parents:
7060
diff
changeset
|
534 |
openPipeFor:aCommandString withMode:rwMode errorDisposition:errorDisposition inDirectory:aDirectory |
4202
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
4125
diff
changeset
|
535 |
"open a pipe to the OS command in commandString; |
8968
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
536 |
rwMode may be 'r' or 'w' or 'r+'. |
5481 | 537 |
errorDisposition controls where the stdErr output should go, |
538 |
and may be one of #discard, #inline or #stderr (default). |
|
539 |
#discard causes stderr to be discarded (/dev/null), |
|
540 |
#inline causes it to be written to smalltalks own stdout and |
|
541 |
#stderr causes it to be written to smalltalks own stderr. |
|
542 |
Nil is treated like #stderr" |
|
3296 | 543 |
|
544 |
|blocked pipeFdArray execFdArray execFd myFd shellAndArgs |
|
7079
07625dfffcbf
Cleanup filedescriptor closing on #exec:withArguments:....
Stefan Vogel <sv@exept.de>
parents:
7060
diff
changeset
|
545 |
shellPath shellArgs mbx mbxName |
4202
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
4125
diff
changeset
|
546 |
realCmd execDirectory tmpComFile nullOutput| |
3296 | 547 |
|
548 |
filePointer notNil ifTrue:[ |
|
7060
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
549 |
"the pipe was already open ... |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
550 |
this should (can) not happen." |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
551 |
^ self errorAlreadyOpen |
3296 | 552 |
]. |
4202
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
4125
diff
changeset
|
553 |
|
8968
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
554 |
rwMode = #r ifTrue:[ |
7060
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
555 |
mode := #readonly. didWrite := false. |
8968
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
556 |
] ifFalse:[rwMode = #'r+' ifTrue:[ |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
557 |
mode := #readwrite. didWrite := true. |
4202
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
4125
diff
changeset
|
558 |
] ifFalse:[ |
7060
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
559 |
mode := #writeonly. didWrite := true. |
8968
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
560 |
]]. |
4202
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
4125
diff
changeset
|
561 |
|
3296 | 562 |
lastErrorNumber := nil. |
563 |
exitStatus := nil. |
|
564 |
exitSema := Semaphore new name:'pipe exitSema'. |
|
565 |
||
4202
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
4125
diff
changeset
|
566 |
realCmd := aCommandString. |
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
4125
diff
changeset
|
567 |
execDirectory := aDirectory. |
7079
07625dfffcbf
Cleanup filedescriptor closing on #exec:withArguments:....
Stefan Vogel <sv@exept.de>
parents:
7060
diff
changeset
|
568 |
execFdArray := #(0 1 2) copy. |
4202
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
4125
diff
changeset
|
569 |
|
3791 | 570 |
OperatingSystem isVMSlike ifTrue:[ |
7060
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
571 |
"/ |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
572 |
"/ the generated COM-file includes a 'set default' |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
573 |
"/ |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
574 |
tmpComFile := OperatingSystem createCOMFileForVMSCommand:aCommandString in:aDirectory. |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
575 |
realCmd := '@' , tmpComFile osName. |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
576 |
execDirectory := nil. |
4616 | 577 |
|
7060
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
578 |
mbx := OperatingSystem createMailBox. |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
579 |
mbx isNil ifTrue:[ |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
580 |
lastErrorNumber := OperatingSystem currentErrorNumber. |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
581 |
tmpComFile delete. |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
582 |
^ self openError |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
583 |
]. |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
584 |
mbxName := OperatingSystem mailBoxNameOf:mbx. |
3296 | 585 |
|
7060
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
586 |
"/ 'mailBox is ' print. mbx print. ' name is ' print. mbxName printCR. |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
587 |
shellPath := ''. |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
588 |
shellArgs := realCmd. |
4202
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
4125
diff
changeset
|
589 |
|
8968
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
590 |
rwMode = #r ifTrue:[ |
7079
07625dfffcbf
Cleanup filedescriptor closing on #exec:withArguments:....
Stefan Vogel <sv@exept.de>
parents:
7060
diff
changeset
|
591 |
"redirect stdout of subprocess to write to mailbox" |
07625dfffcbf
Cleanup filedescriptor closing on #exec:withArguments:....
Stefan Vogel <sv@exept.de>
parents:
7060
diff
changeset
|
592 |
execFdArray at:2 put:mbx. |
7060
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
593 |
] ifFalse:[ |
7079
07625dfffcbf
Cleanup filedescriptor closing on #exec:withArguments:....
Stefan Vogel <sv@exept.de>
parents:
7060
diff
changeset
|
594 |
"redirect stdin of subprocess to read from mailbox" |
07625dfffcbf
Cleanup filedescriptor closing on #exec:withArguments:....
Stefan Vogel <sv@exept.de>
parents:
7060
diff
changeset
|
595 |
execFdArray at:1 put:mbx. |
7060
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
596 |
]. |
3296 | 597 |
] ifFalse:[ |
7060
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
598 |
shellAndArgs := OperatingSystem commandAndArgsForOSCommand:realCmd. |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
599 |
shellPath := shellAndArgs at:1. |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
600 |
shellArgs := shellAndArgs at:2. |
4202
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
4125
diff
changeset
|
601 |
|
8968
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
602 |
mode == #readwrite ifTrue:[ |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
603 |
pipeFdArray := OperatingSystem makeBidirectionalPipe. |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
604 |
pipeFdArray isNil ifTrue:[ |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
605 |
lastErrorNumber := OperatingSystem currentErrorNumber. |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
606 |
^ self openError |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
607 |
]. |
7060
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
608 |
myFd := pipeFdArray at:1. |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
609 |
execFd := pipeFdArray at:2. |
8968
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
610 |
execFdArray at:1 put:execFd. |
7079
07625dfffcbf
Cleanup filedescriptor closing on #exec:withArguments:....
Stefan Vogel <sv@exept.de>
parents:
7060
diff
changeset
|
611 |
execFdArray at:2 put:execFd. |
7060
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
612 |
] ifFalse:[ |
8968
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
613 |
pipeFdArray := OperatingSystem makePipe. |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
614 |
pipeFdArray isNil ifTrue:[ |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
615 |
lastErrorNumber := OperatingSystem currentErrorNumber. |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
616 |
^ self openError |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
617 |
]. |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
618 |
|
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
619 |
mode == #readonly ifTrue:[ |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
620 |
"redirect stdout of subprocess to write to pipe" |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
621 |
myFd := pipeFdArray at:1. |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
622 |
execFd := pipeFdArray at:2. |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
623 |
execFdArray at:2 put:execFd. |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
624 |
] ifFalse:[ |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
625 |
"redirect stdin of subprocess to read from pipe" |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
626 |
myFd := pipeFdArray at:2. |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
627 |
execFd := pipeFdArray at:1. |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
628 |
execFdArray at:1 put:execFd. |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
629 |
]. |
7060
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
630 |
]. |
3296 | 631 |
]. |
632 |
||
7079
07625dfffcbf
Cleanup filedescriptor closing on #exec:withArguments:....
Stefan Vogel <sv@exept.de>
parents:
7060
diff
changeset
|
633 |
errorDisposition == #discard ifTrue:[ |
7060
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
634 |
nullOutput := Filename nullDevice writeStream. |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
635 |
execFdArray at:3 put:nullOutput fileDescriptor |
7079
07625dfffcbf
Cleanup filedescriptor closing on #exec:withArguments:....
Stefan Vogel <sv@exept.de>
parents:
7060
diff
changeset
|
636 |
] ifFalse:[(errorDisposition == #inline or:[errorDisposition == #stdout]) ifTrue:[ |
07625dfffcbf
Cleanup filedescriptor closing on #exec:withArguments:....
Stefan Vogel <sv@exept.de>
parents:
7060
diff
changeset
|
637 |
execFdArray at:3 put:1 |
07625dfffcbf
Cleanup filedescriptor closing on #exec:withArguments:....
Stefan Vogel <sv@exept.de>
parents:
7060
diff
changeset
|
638 |
]]. |
3296 | 639 |
|
640 |
"/ must block here, to avoid races due to early finishing |
|
641 |
"/ subprocesses ... |
|
642 |
||
643 |
blocked := OperatingSystem blockInterrupts. |
|
644 |
||
3563 | 645 |
pid := Processor |
7060
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
646 |
monitor:[ |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
647 |
OperatingSystem |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
648 |
exec:shellPath |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
649 |
withArguments:shellArgs |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
650 |
environment:nil |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
651 |
fileDescriptors:execFdArray |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
652 |
fork:true |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
653 |
newPgrp:true |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
654 |
inDirectory:execDirectory. |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
655 |
] |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
656 |
action:[:status | |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
657 |
status stillAlive ifFalse:[ |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
658 |
exitStatus := status. |
8969
978613904d0b
For writing Pipestreams: close write side of filedescriptor, when
Stefan Vogel <sv@exept.de>
parents:
8968
diff
changeset
|
659 |
|
978613904d0b
For writing Pipestreams: close write side of filedescriptor, when
Stefan Vogel <sv@exept.de>
parents:
8968
diff
changeset
|
660 |
"writing doesn't make sense - there is no reader any longer" |
978613904d0b
For writing Pipestreams: close write side of filedescriptor, when
Stefan Vogel <sv@exept.de>
parents:
8968
diff
changeset
|
661 |
mode == #readwrite ifTrue:[ |
978613904d0b
For writing Pipestreams: close write side of filedescriptor, when
Stefan Vogel <sv@exept.de>
parents:
8968
diff
changeset
|
662 |
"... but allow to read the rest of the command's output" |
978613904d0b
For writing Pipestreams: close write side of filedescriptor, when
Stefan Vogel <sv@exept.de>
parents:
8968
diff
changeset
|
663 |
self shutDownOutput. |
978613904d0b
For writing Pipestreams: close write side of filedescriptor, when
Stefan Vogel <sv@exept.de>
parents:
8968
diff
changeset
|
664 |
] ifFalse:[mode == #writeonly ifTrue:[ |
978613904d0b
For writing Pipestreams: close write side of filedescriptor, when
Stefan Vogel <sv@exept.de>
parents:
8968
diff
changeset
|
665 |
self closeFileDescriptor. |
978613904d0b
For writing Pipestreams: close write side of filedescriptor, when
Stefan Vogel <sv@exept.de>
parents:
8968
diff
changeset
|
666 |
]]. |
978613904d0b
For writing Pipestreams: close write side of filedescriptor, when
Stefan Vogel <sv@exept.de>
parents:
8968
diff
changeset
|
667 |
|
7060
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
668 |
OperatingSystem closePid:pid. |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
669 |
pid := nil. |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
670 |
exitSema signal. |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
671 |
]. |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
672 |
]. |
3296 | 673 |
|
7079
07625dfffcbf
Cleanup filedescriptor closing on #exec:withArguments:....
Stefan Vogel <sv@exept.de>
parents:
7060
diff
changeset
|
674 |
"subprocess has been created. |
07625dfffcbf
Cleanup filedescriptor closing on #exec:withArguments:....
Stefan Vogel <sv@exept.de>
parents:
7060
diff
changeset
|
675 |
close unused filedescriptors" |
07625dfffcbf
Cleanup filedescriptor closing on #exec:withArguments:....
Stefan Vogel <sv@exept.de>
parents:
7060
diff
changeset
|
676 |
|
07625dfffcbf
Cleanup filedescriptor closing on #exec:withArguments:....
Stefan Vogel <sv@exept.de>
parents:
7060
diff
changeset
|
677 |
execFd notNil ifTrue:[ |
7060
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
678 |
OperatingSystem closeFd:execFd. |
4202
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
4125
diff
changeset
|
679 |
]. |
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
4125
diff
changeset
|
680 |
|
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
4125
diff
changeset
|
681 |
nullOutput notNil ifTrue:[ |
7060
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
682 |
nullOutput close |
3296 | 683 |
]. |
684 |
||
685 |
pid notNil ifTrue:[ |
|
7079
07625dfffcbf
Cleanup filedescriptor closing on #exec:withArguments:....
Stefan Vogel <sv@exept.de>
parents:
7060
diff
changeset
|
686 |
"successfull creation of subprocesss" |
7060
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
687 |
OperatingSystem isVMSlike ifTrue:[ |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
688 |
"/ |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
689 |
"/ reopen the mailbox as a file ... |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
690 |
"/ |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
691 |
mbxName := OperatingSystem mailBoxNameOf:mbx. |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
692 |
mbxName notNil ifTrue:[ |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
693 |
super open:mbxName withMode:rwMode. |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
694 |
exitAction := [tmpComFile delete]. |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
695 |
]. |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
696 |
] ifFalse:[ |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
697 |
self setFileDescriptor:myFd mode:rwMode. |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
698 |
] |
3296 | 699 |
] ifFalse:[ |
7079
07625dfffcbf
Cleanup filedescriptor closing on #exec:withArguments:....
Stefan Vogel <sv@exept.de>
parents:
7060
diff
changeset
|
700 |
"creation of subprocesss failed" |
7060
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
701 |
lastErrorNumber := OperatingSystem currentErrorNumber. |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
702 |
OperatingSystem isVMSlike ifTrue:[ |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
703 |
OperatingSystem destroyMailBox:mbx. |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
704 |
tmpComFile delete. |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
705 |
] ifFalse:[ |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
706 |
OperatingSystem closeFd:myFd. |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
707 |
]. |
3296 | 708 |
]. |
709 |
||
710 |
blocked ifFalse:[ |
|
7060
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
711 |
OperatingSystem unblockInterrupts |
3296 | 712 |
]. |
713 |
||
714 |
lastErrorNumber notNil ifTrue:[ |
|
7060
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
715 |
" |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
716 |
the pipe open failed for some reason ... |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
717 |
... this may be either due to an invalid command string, |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
718 |
or due to the system running out of memory (when forking |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
719 |
the unix process) |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
720 |
" |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
721 |
exitAction value. |
7e1eec6ab21e
Call 'final' method #executeCommand:....
Stefan Vogel <sv@exept.de>
parents:
7027
diff
changeset
|
722 |
^ self openError |
3296 | 723 |
]. |
724 |
||
4202
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
4125
diff
changeset
|
725 |
commandString := realCmd. |
5673
58ebbb50cd3a
Set to unbuffered, sincestdio does not work with pipes.
Stefan Vogel <sv@exept.de>
parents:
5624
diff
changeset
|
726 |
|
58ebbb50cd3a
Set to unbuffered, sincestdio does not work with pipes.
Stefan Vogel <sv@exept.de>
parents:
5624
diff
changeset
|
727 |
"stdio lib does not work with blocking pipes and interrupts |
58ebbb50cd3a
Set to unbuffered, sincestdio does not work with pipes.
Stefan Vogel <sv@exept.de>
parents:
5624
diff
changeset
|
728 |
for WIN, Linux, Solaris and probably any other UNIX" |
58ebbb50cd3a
Set to unbuffered, sincestdio does not work with pipes.
Stefan Vogel <sv@exept.de>
parents:
5624
diff
changeset
|
729 |
buffered := false. |
7114 | 730 |
position := ZeroPosition. |
3296 | 731 |
hitEOF := false. |
732 |
binary := false. |
|
733 |
Lobby register:self. |
|
734 |
||
4202
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
4125
diff
changeset
|
735 |
"Modified: / 23.4.1996 / 17:05:59 / stefan" |
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
4125
diff
changeset
|
736 |
"Modified: / 28.1.1998 / 14:47:34 / md" |
6439
0f841258ec4a
Use #finalize instead of #disposed
Stefan Vogel <sv@exept.de>
parents:
6267
diff
changeset
|
737 |
"Created: / 19.5.1999 / 12:28:54 / cg" |
8968
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
738 |
! |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
739 |
|
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
740 |
terminatePipeCommand |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
741 |
|tpid| |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
742 |
|
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
743 |
(tpid := pid) notNil ifTrue:[ |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
744 |
OperatingSystem terminateProcessGroup:tpid. |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
745 |
OperatingSystem terminateProcess:tpid. |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
746 |
OperatingSystem closePid:tpid. |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
747 |
pid := nil. |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
748 |
]. |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
749 |
! |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
750 |
|
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
751 |
waitForPipeCommandWithTimeout:seconds |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
752 |
"wait for the pipe command to terminate itself. |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
753 |
Return true, if a timeout occurred." |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
754 |
|
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
755 |
pid notNil ifTrue:[ |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
756 |
[ |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
757 |
pid notNil ifTrue:[ |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
758 |
exitSema waitWithTimeout:seconds. |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
759 |
] |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
760 |
] valueUninterruptably |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
761 |
]. |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
762 |
^ pid notNil |
6439
0f841258ec4a
Use #finalize instead of #disposed
Stefan Vogel <sv@exept.de>
parents:
6267
diff
changeset
|
763 |
! ! |
613 | 764 |
|
2266 | 765 |
!PipeStream class methodsFor:'documentation'! |
1295 | 766 |
|
767 |
version |
|
8969
978613904d0b
For writing Pipestreams: close write side of filedescriptor, when
Stefan Vogel <sv@exept.de>
parents:
8968
diff
changeset
|
768 |
^ '$Header: /cvs/stx/stx/libbasic/PipeStream.st,v 1.101 2005-10-28 11:50:57 stefan Exp $' |
1295 | 769 |
! ! |
7027 | 770 |
|
613 | 771 |
PipeStream initialize! |