author | Stefan Vogel <sv@exept.de> |
Fri, 27 Oct 2017 16:14:37 +0200 | |
branch | expecco_2_11_1_branch |
changeset 22329 | 20662662693b |
parent 20970 | 54cb5bc5bd05 |
child 21026 | 81e280fc1b93 |
child 21210 | 99f6f07d5a33 |
permissions | -rw-r--r-- |
1 | 1 |
" |
5 | 2 |
COPYRIGHT (c) 1989 by Claus Gittinger |
159 | 3 |
All Rights Reserved |
1 | 4 |
|
5 |
This software is furnished under a license and may be used |
|
6 |
only in accordance with the terms of that license and with the |
|
7 |
inclusion of the above copyright notice. This software may not |
|
8 |
be provided or otherwise made available to, or used by, any |
|
9 |
other person. No title to or ownership of the software is |
|
10 |
hereby transferred. |
|
11 |
" |
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"{ Package: 'stx:libbasic' }" |
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13 |
|
17460 | 14 |
"{ NameSpace: Smalltalk }" |
15 |
||
269 | 16 |
NonPositionableExternalStream subclass:#PipeStream |
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instanceVariableNames:'commandString pid exitStatus exitSema exitAction' |
1295 | 18 |
classVariableNames:'BrokenPipeSignal' |
19 |
poolDictionaries:'' |
|
20 |
category:'Streams-External' |
|
88 | 21 |
! |
2 | 22 |
|
217 | 23 |
!PipeStream primitiveDefinitions! |
88 | 24 |
%{ |
17077 | 25 |
#include "stxOSDefs.h" |
437 | 26 |
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#if defined(__win32__) |
793 | 28 |
# undef UNIX_LIKE |
29 |
# define MSDOS_LIKE |
|
30 |
#endif |
|
31 |
||
20298 | 32 |
#ifndef _STDIO_H_INCLUDED_ |
33 |
# include <stdio.h> |
|
34 |
# define _STDIO_H_INCLUDED_ |
|
35 |
#endif |
|
437 | 36 |
|
20298 | 37 |
#ifndef _ERRNO_H_INCLUDED_ |
38 |
# include <errno.h> |
|
39 |
# define _ERRNO_H_INCLUDED_ |
|
40 |
#endif |
|
437 | 41 |
|
88 | 42 |
#ifndef transputer |
43 |
# include <sys/types.h> |
|
44 |
# include <sys/stat.h> |
|
45 |
#endif |
|
230 | 46 |
|
47 |
/* |
|
48 |
* on some systems errno is a macro ... check for it here |
|
49 |
*/ |
|
50 |
#ifndef errno |
|
51 |
extern errno; |
|
52 |
#endif |
|
53 |
||
1663 | 54 |
#ifdef LINUX |
55 |
# define BUGGY_STDIO_LIB |
|
56 |
#endif |
|
57 |
||
88 | 58 |
%} |
180 | 59 |
! ! |
88 | 60 |
|
325 | 61 |
!PipeStream primitiveFunctions! |
62 |
%{ |
|
63 |
||
64 |
/* |
|
2925 | 65 |
* no longer needed - popen is useless ... |
66 |
*/ |
|
67 |
#undef NEED_POPEN_WITH_VFORK |
|
68 |
||
69 |
/* |
|
325 | 70 |
* some systems (i.e. ultrix) use fork; |
16953 | 71 |
* we're better off with a popen based on vfork ... |
325 | 72 |
*/ |
73 |
#ifdef NEED_POPEN_WITH_VFORK |
|
74 |
||
75 |
static int popen_pid = 0; |
|
76 |
||
77 |
FILE * |
|
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popen(command, type) |
|
79 |
/* const */ char *command; |
|
80 |
/* const */ char *type; |
|
81 |
{ |
|
82 |
int pipes[2]; |
|
83 |
int itype = (strcmp(type, "w") == 0 ? 1 : 0); |
|
84 |
||
85 |
if (pipe(pipes) == -1) |
|
326 | 86 |
return NULL; |
325 | 87 |
|
88 |
switch (popen_pid = vfork()) { |
|
89 |
case -1: |
|
326 | 90 |
(void)close(pipes[0]); |
91 |
(void)close(pipes[1]); |
|
92 |
return NULL; |
|
325 | 93 |
|
94 |
case 0: |
|
326 | 95 |
if (itype) { |
96 |
dup2(pipes[0], fileno(stdin)); |
|
97 |
close(pipes[1]); |
|
98 |
} else { |
|
99 |
dup2(pipes[1], fileno(stdout)); |
|
100 |
close(pipes[0]); |
|
101 |
} |
|
102 |
execl("/bin/sh", "/bin/sh", "-c", command, 0); |
|
10408 | 103 |
console_fprintf(stderr, "PipeStream [warning]: execlp failed in popen\n"); |
326 | 104 |
_exit(-1); |
105 |
/* NOTREACHED */ |
|
325 | 106 |
|
107 |
default: |
|
326 | 108 |
if (itype) { |
109 |
close(pipes[0]); |
|
110 |
return fdopen(pipes[1], "w"); |
|
111 |
} else { |
|
112 |
close(pipes[1]); |
|
113 |
return fdopen(pipes[0], "r"); |
|
114 |
} |
|
325 | 115 |
} |
116 |
} |
|
117 |
||
118 |
int |
|
119 |
pclose(str) |
|
120 |
FILE *str; |
|
121 |
{ |
|
122 |
int pd = 0; |
|
123 |
int status; |
|
124 |
int err; |
|
125 |
||
126 |
err = fclose(str); |
|
127 |
||
128 |
do { |
|
326 | 129 |
if ((pd = wait(&status)) == -1) |
130 |
{ |
|
131 |
err = EOF; |
|
132 |
break; |
|
133 |
} |
|
325 | 134 |
} while (pd != popen_pid); |
135 |
||
136 |
if (err == EOF) |
|
326 | 137 |
return -1; |
325 | 138 |
|
139 |
if (status) |
|
326 | 140 |
status >>= 8; /* exit status in high byte */ |
325 | 141 |
|
142 |
return status; |
|
143 |
} |
|
144 |
||
2925 | 145 |
#endif /* NEED_POPEN_WITH_VFORK */ |
325 | 146 |
|
147 |
%} |
|
148 |
! ! |
|
149 |
||
2266 | 150 |
!PipeStream class methodsFor:'documentation'! |
613 | 151 |
|
152 |
copyright |
|
153 |
" |
|
154 |
COPYRIGHT (c) 1989 by Claus Gittinger |
|
155 |
All Rights Reserved |
|
156 |
||
157 |
This software is furnished under a license and may be used |
|
158 |
only in accordance with the terms of that license and with the |
|
159 |
inclusion of the above copyright notice. This software may not |
|
160 |
be provided or otherwise made available to, or used by, any |
|
161 |
other person. No title to or ownership of the software is |
|
162 |
hereby transferred. |
|
163 |
" |
|
164 |
! |
|
165 |
||
166 |
documentation |
|
167 |
" |
|
17460 | 168 |
Pipestreams allow reading or writing from/to a unix or dos command. |
613 | 169 |
For example, to get a stream reading the output of an 'ls -l' |
170 |
command, a PipeStream can be created with: |
|
171 |
||
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172 |
PipeStream readingFrom:'ls -l' |
613 | 173 |
|
17460 | 174 |
the characters of the command's output can be read using the |
175 |
standard stream messages, such as next, nextLine etc. |
|
613 | 176 |
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Example for writing to a command: |
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|
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179 |
PipeStream writingTo:'cat >/tmp/x' |
613 | 180 |
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Bidirectional pipestreams (supporting both reading an writing) may be used for filters: |
613 | 182 |
|
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183 |
PipeStream bidirectionalFor:'sed -e ''s/Hello/Greetings/''' |
1295 | 184 |
|
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185 |
Buffered pipes do not work with Linux - the stdio library seems to be |
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186 |
buggy (trying to restart the read ...) |
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|
187 |
|
1295 | 188 |
[author:] |
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|
189 |
Claus Gittinger |
2966 | 190 |
|
191 |
[see also:] |
|
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|
192 |
ExternalStream FileStream Socket |
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|
193 |
OperatingSystem |
613 | 194 |
" |
195 |
! ! |
|
196 |
||
2266 | 197 |
!PipeStream class methodsFor:'initialization'! |
2 | 198 |
|
199 |
initialize |
|
200 |
"setup the signal" |
|
201 |
||
57 | 202 |
BrokenPipeSignal isNil ifTrue:[ |
10408 | 203 |
BrokenPipeSignal := WriteError newSignalMayProceed:true. |
204 |
BrokenPipeSignal nameClass:self message:#brokenPipeSignal. |
|
205 |
BrokenPipeSignal notifierString:'write on a pipe with no one to read'. |
|
57 | 206 |
] |
2 | 207 |
! ! |
208 |
||
2266 | 209 |
!PipeStream class methodsFor:'instance creation'! |
2 | 210 |
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bidirectionalFor:commandString |
10408 | 212 |
"create and return a new bidirectonal pipeStream which can both be written to |
213 |
and read from the unix command given by commandString. |
|
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214 |
The commands error output is send to my own error output." |
2 | 215 |
|
10408 | 216 |
^ self |
217 |
bidirectionalFor:commandString |
|
218 |
errorDisposition:#stderr |
|
219 |
inDirectory:nil |
|
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220 |
|
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" |
10408 | 222 |
|p| |
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223 |
|
10408 | 224 |
p := PipeStream bidirectionalFor:'cat -u'. |
20970 | 225 |
p nextPutAll:'Wer ist der Bürgermeister von Wesel'; cr. |
10408 | 226 |
Transcript showCR:p nextLine. |
227 |
p close |
|
2966 | 228 |
" |
229 |
||
230 |
" |
|
10408 | 231 |
|p| |
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232 |
|
10408 | 233 |
p := PipeStream bidirectionalFor:'sed -e ''s/Hello/Greetings/'''. |
234 |
p nextPutAll:'Hello world'; cr. |
|
235 |
p shutDownOutput. |
|
236 |
Transcript showCR:p nextLine. |
|
237 |
p close |
|
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238 |
" |
9313 | 239 |
|
240 |
" |
|
10408 | 241 |
|p| |
9313 | 242 |
|
10408 | 243 |
p := PipeStream bidirectionalFor:'wc'. |
244 |
p nextPutAll:'Hello world'; cr. |
|
245 |
p shutDownOutput. |
|
246 |
Transcript showCR:p nextLine. |
|
247 |
p close |
|
9313 | 248 |
" |
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249 |
! |
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|
250 |
|
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|
251 |
bidirectionalFor:commandString errorDisposition:errorDisposition inDirectory:aDirectory |
10408 | 252 |
"create and return a new bidirectonal pipeStream which can both be written to |
253 |
and read from the unix command given by commandString. |
|
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|
254 |
The directory will be changed to aDirectory while |
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|
255 |
executing the command. Use this if a command is to be |
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|
256 |
executed in another directory, to avoid any OS dependencies |
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|
257 |
in your code. |
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|
258 |
|
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|
259 |
errorDisposition may be one of #discard, #inline or #stderr (default). |
10408 | 260 |
#discard causes stderr to be discarded (/dev/null), |
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|
261 |
#inline causes it to be written to smalltalks own stdout and |
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|
262 |
#stderr causes it to be written to smalltalks own stderr. |
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|
263 |
Nil is treated like #stderr" |
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|
264 |
|
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|
265 |
^ self basicNew |
10408 | 266 |
openPipeFor:commandString |
267 |
withMode:#'r+' |
|
268 |
errorDisposition:errorDisposition |
|
269 |
inDirectory:aDirectory |
|
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|
270 |
! |
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|
271 |
|
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|
272 |
readingFrom:commandString |
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|
273 |
"create and return a new pipeStream which can read from the unix command |
10408 | 274 |
given by commandString. |
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|
275 |
The commands error output is send to my own error output." |
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|
276 |
|
10408 | 277 |
^ self |
278 |
readingFrom:commandString |
|
279 |
errorDisposition:#stderr |
|
280 |
inDirectory:nil |
|
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|
281 |
|
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|
282 |
"unix: |
10408 | 283 |
PipeStream readingFrom:'ls -l'. |
2966 | 284 |
" |
285 |
||
286 |
" |
|
10408 | 287 |
|p| |
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diff
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|
288 |
|
10408 | 289 |
p := PipeStream readingFrom:'ls -l'. |
290 |
Transcript showCR:p nextLine. |
|
291 |
p close |
|
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|
292 |
" |
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|
293 |
|
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|
294 |
" |
10408 | 295 |
|s| |
296 |
s := PipeStream readingFrom:'sh -c sleep\ 600'. |
|
297 |
(Delay forSeconds:2) wait. |
|
298 |
s shutDown |
|
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|
299 |
" |
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|
300 |
|
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|
301 |
"vms: |
10408 | 302 |
PipeStream readingFrom:'dir'. |
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|
303 |
" |
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|
304 |
|
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|
305 |
" |
10408 | 306 |
|p| |
307 |
p := PipeStream readingFrom:'dir'. |
|
308 |
Transcript showCR:p nextLine. |
|
309 |
p close |
|
2966 | 310 |
" |
311 |
||
312 |
"msdos: |
|
10408 | 313 |
PipeStream readingFrom:'dir'. |
2966 | 314 |
" |
315 |
" |
|
10408 | 316 |
|p| |
317 |
p := PipeStream readingFrom:'dir'. |
|
318 |
Transcript showCR:p nextLine. |
|
319 |
p close |
|
2966 | 320 |
" |
321 |
||
1648
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Use OperatingSystem executeCommand:... instead of popen().
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parents:
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diff
changeset
|
322 |
"Modified: 24.4.1996 / 09:09:25 / stefan" |
613 | 323 |
! |
1 | 324 |
|
4202
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generalized errorDisposition (for other OS's);
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parents:
4125
diff
changeset
|
325 |
readingFrom:commandString errorDisposition:errorDisposition inDirectory:aDirectory |
2985
eff9e86dd2f9
New method #readingFrom:errorDisposition:inDirectory.
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parents:
2976
diff
changeset
|
326 |
"similar to #readingFrom, but changes the directory while |
eff9e86dd2f9
New method #readingFrom:errorDisposition:inDirectory.
Stefan Vogel <sv@exept.de>
parents:
2976
diff
changeset
|
327 |
executing the command. Use this if a command is to be |
eff9e86dd2f9
New method #readingFrom:errorDisposition:inDirectory.
Stefan Vogel <sv@exept.de>
parents:
2976
diff
changeset
|
328 |
executed in another directory, to avoid any OS dependencies |
eff9e86dd2f9
New method #readingFrom:errorDisposition:inDirectory.
Stefan Vogel <sv@exept.de>
parents:
2976
diff
changeset
|
329 |
in your code. |
4202
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
4125
diff
changeset
|
330 |
errorDisposition may be one of #discard, #inline or #stderr (default). |
10408 | 331 |
#discard causes stderr to be discarded (/dev/null), |
4202
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
4125
diff
changeset
|
332 |
#inline causes it to be merged into the PipeStream and |
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
4125
diff
changeset
|
333 |
#stderr causes it to be written to smalltalks own stderr. |
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
4125
diff
changeset
|
334 |
Nil is treated like #stderr" |
2985
eff9e86dd2f9
New method #readingFrom:errorDisposition:inDirectory.
Stefan Vogel <sv@exept.de>
parents:
2976
diff
changeset
|
335 |
|
4202
b9f85ebd2e38
generalized errorDisposition (for other OS's);
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parents:
4125
diff
changeset
|
336 |
^ self basicNew |
10408 | 337 |
openPipeFor:commandString |
338 |
withMode:#r |
|
339 |
errorDisposition:errorDisposition |
|
340 |
inDirectory:aDirectory |
|
2985
eff9e86dd2f9
New method #readingFrom:errorDisposition:inDirectory.
Stefan Vogel <sv@exept.de>
parents:
2976
diff
changeset
|
341 |
! |
eff9e86dd2f9
New method #readingFrom:errorDisposition:inDirectory.
Stefan Vogel <sv@exept.de>
parents:
2976
diff
changeset
|
342 |
|
2969
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
parents:
2966
diff
changeset
|
343 |
readingFrom:commandString inDirectory:aDirectory |
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
parents:
2966
diff
changeset
|
344 |
"similar to #readingFrom, but changes the directory while |
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
parents:
2966
diff
changeset
|
345 |
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
|
346 |
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
|
347 |
in your code. |
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
4125
diff
changeset
|
348 |
The commands error output is send to my own error output." |
2969
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
parents:
2966
diff
changeset
|
349 |
|
10408 | 350 |
^ self |
351 |
readingFrom:commandString |
|
352 |
errorDisposition:#stderr |
|
353 |
inDirectory:aDirectory |
|
2969
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
parents:
2966
diff
changeset
|
354 |
|
10408 | 355 |
" UNIX: |
356 |
|p| |
|
8968
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
357 |
|
10408 | 358 |
p := PipeStream readingFrom:'ls -l' inDirectory:'/etc'. |
359 |
Transcript showCR:p upToEnd. |
|
360 |
p close |
|
9193 | 361 |
" |
10408 | 362 |
"WINDOOF: |
363 |
|p| |
|
9193 | 364 |
|
10408 | 365 |
p := PipeStream readingFrom:'dir'. |
366 |
Transcript showCR:p upToEnd. |
|
367 |
p close |
|
8968
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
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diff
changeset
|
368 |
" |
2969
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
parents:
2966
diff
changeset
|
369 |
! |
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
parents:
2966
diff
changeset
|
370 |
|
2 | 371 |
writingTo:commandString |
1 | 372 |
"create and return a new pipeStream which can write to the unix command |
373 |
given by command." |
|
374 |
||
10408 | 375 |
^ self |
4202
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
4125
diff
changeset
|
376 |
writingTo:commandString errorDisposition:#stderr inDirectory:nil |
1 | 377 |
|
2966 | 378 |
"unix: |
2969
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
parents:
2966
diff
changeset
|
379 |
PipeStream writingTo:'sort' |
2966 | 380 |
" |
2969
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
parents:
2966
diff
changeset
|
381 |
! |
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
parents:
2966
diff
changeset
|
382 |
|
4202
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
4125
diff
changeset
|
383 |
writingTo:commandString errorDisposition:errorDisposition inDirectory:aDirectory |
2969
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
parents:
2966
diff
changeset
|
384 |
"similar to #writingTo, but changes the directory while |
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
parents:
2966
diff
changeset
|
385 |
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
|
386 |
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
|
387 |
in your code. |
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
4125
diff
changeset
|
388 |
errorDisposition may be one of #discard, #inline or #stderr (default). |
10408 | 389 |
#discard causes stderr to be discarded (/dev/null), |
4202
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
4125
diff
changeset
|
390 |
#inline causes it to be written to smalltalks own stdout and |
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
4125
diff
changeset
|
391 |
#stderr causes it to be written to smalltalks own stderr. |
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
4125
diff
changeset
|
392 |
Nil is treated like #stderr" |
2969
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
parents:
2966
diff
changeset
|
393 |
|
4202
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
4125
diff
changeset
|
394 |
^ self basicNew |
10408 | 395 |
openPipeFor:commandString |
396 |
withMode:#w |
|
397 |
errorDisposition:errorDisposition |
|
398 |
inDirectory:aDirectory |
|
4526
a42dc8e09586
errorOpen renamed to errorAlreadyOpen
Claus Gittinger <cg@exept.de>
parents:
4202
diff
changeset
|
399 |
! |
a42dc8e09586
errorOpen renamed to errorAlreadyOpen
Claus Gittinger <cg@exept.de>
parents:
4202
diff
changeset
|
400 |
|
a42dc8e09586
errorOpen renamed to errorAlreadyOpen
Claus Gittinger <cg@exept.de>
parents:
4202
diff
changeset
|
401 |
writingTo:commandString inDirectory:aDirectory |
a42dc8e09586
errorOpen renamed to errorAlreadyOpen
Claus Gittinger <cg@exept.de>
parents:
4202
diff
changeset
|
402 |
"create and return a new pipeStream which can write to the unix command |
8968
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
403 |
given by commandString. The command is executed in the given directory." |
4526
a42dc8e09586
errorOpen renamed to errorAlreadyOpen
Claus Gittinger <cg@exept.de>
parents:
4202
diff
changeset
|
404 |
|
10408 | 405 |
^ self |
406 |
writingTo:commandString errorDisposition:#stderr inDirectory:aDirectory |
|
4526
a42dc8e09586
errorOpen renamed to errorAlreadyOpen
Claus Gittinger <cg@exept.de>
parents:
4202
diff
changeset
|
407 |
|
a42dc8e09586
errorOpen renamed to errorAlreadyOpen
Claus Gittinger <cg@exept.de>
parents:
4202
diff
changeset
|
408 |
"unix: |
10408 | 409 |
PipeStream writingTo:'sort' |
4526
a42dc8e09586
errorOpen renamed to errorAlreadyOpen
Claus Gittinger <cg@exept.de>
parents:
4202
diff
changeset
|
410 |
" |
613 | 411 |
! ! |
412 |
||
2266 | 413 |
!PipeStream class methodsFor:'Signal constants'! |
1 | 414 |
|
613 | 415 |
brokenPipeSignal |
2985
eff9e86dd2f9
New method #readingFrom:errorDisposition:inDirectory.
Stefan Vogel <sv@exept.de>
parents:
2976
diff
changeset
|
416 |
"return the signal used to handle SIGPIPE unix-signals. |
eff9e86dd2f9
New method #readingFrom:errorDisposition:inDirectory.
Stefan Vogel <sv@exept.de>
parents:
2976
diff
changeset
|
417 |
Since SIGPIPE is asynchronous, we can't decide which smalltalk process |
10408 | 418 |
should handle BrokenPipeSignal. So the system doesn't raise |
2985
eff9e86dd2f9
New method #readingFrom:errorDisposition:inDirectory.
Stefan Vogel <sv@exept.de>
parents:
2976
diff
changeset
|
419 |
BrokenPipeSignal for SIGPIPE any longer." |
1 | 420 |
|
613 | 421 |
^ BrokenPipeSignal |
2985
eff9e86dd2f9
New method #readingFrom:errorDisposition:inDirectory.
Stefan Vogel <sv@exept.de>
parents:
2976
diff
changeset
|
422 |
|
eff9e86dd2f9
New method #readingFrom:errorDisposition:inDirectory.
Stefan Vogel <sv@exept.de>
parents:
2976
diff
changeset
|
423 |
"Modified: 24.9.1997 / 09:43:23 / stefan" |
1 | 424 |
! ! |
425 |
||
16579 | 426 |
!PipeStream class methodsFor:'utilities'! |
427 |
||
428 |
outputFromCommand:aCommand |
|
429 |
"open a pipe reading from aCommand and return the complete output as a string. |
|
18638 | 430 |
If the command cannot be executed, return nil. |
431 |
The command's current directory will be the smalltalk current directory." |
|
432 |
||
433 |
^ self outputFromCommand:aCommand inDirectory:nil |
|
434 |
||
435 |
" |
|
436 |
PipeStream outputFromCommand:'ls -l' |
|
437 |
" |
|
438 |
! |
|
439 |
||
440 |
outputFromCommand:aCommand inDirectory:aDirectoryOrNil |
|
441 |
"open a pipe reading from aCommand and return the complete output as a string. |
|
442 |
If the command cannot be executed, return nil. |
|
443 |
The current directory of the command will be aDirectoryOrNil or the smalltalk's current directory (if nil)" |
|
16579 | 444 |
|
445 |
|p cmdOutput| |
|
446 |
||
18638 | 447 |
p := self readingFrom:aCommand inDirectory:aDirectoryOrNil. |
16579 | 448 |
p isNil ifTrue:[^ nil]. |
449 |
||
450 |
[ |
|
19860
324edacff5cc
unified cpu and os defines;
Claus Gittinger <cg@exept.de>
parents:
18785
diff
changeset
|
451 |
cmdOutput := p contentsAsString. |
16579 | 452 |
] ensure:[ |
19860
324edacff5cc
unified cpu and os defines;
Claus Gittinger <cg@exept.de>
parents:
18785
diff
changeset
|
453 |
p close. |
16579 | 454 |
]. |
455 |
^ cmdOutput |
|
456 |
||
457 |
" |
|
18638 | 458 |
PipeStream outputFromCommand:'ls -l' inDirectory:nil |
459 |
PipeStream outputFromCommand:'ls -l' inDirectory:'/' |
|
460 |
PipeStream outputFromCommand:'ls -l' inDirectory:'/etc' |
|
16579 | 461 |
" |
462 |
! ! |
|
463 |
||
99 | 464 |
!PipeStream methodsFor:'accessing'! |
465 |
||
466 |
commandString |
|
467 |
"return the command string" |
|
468 |
||
469 |
^ commandString |
|
1648
faa891d2c1b0
Use OperatingSystem executeCommand:... instead of popen().
Stefan Vogel <sv@exept.de>
parents:
1295
diff
changeset
|
470 |
! |
faa891d2c1b0
Use OperatingSystem executeCommand:... instead of popen().
Stefan Vogel <sv@exept.de>
parents:
1295
diff
changeset
|
471 |
|
faa891d2c1b0
Use OperatingSystem executeCommand:... instead of popen().
Stefan Vogel <sv@exept.de>
parents:
1295
diff
changeset
|
472 |
exitStatus |
10343 | 473 |
"return the exitStatus" |
1648
faa891d2c1b0
Use OperatingSystem executeCommand:... instead of popen().
Stefan Vogel <sv@exept.de>
parents:
1295
diff
changeset
|
474 |
|
faa891d2c1b0
Use OperatingSystem executeCommand:... instead of popen().
Stefan Vogel <sv@exept.de>
parents:
1295
diff
changeset
|
475 |
^ exitStatus |
faa891d2c1b0
Use OperatingSystem executeCommand:... instead of popen().
Stefan Vogel <sv@exept.de>
parents:
1295
diff
changeset
|
476 |
|
faa891d2c1b0
Use OperatingSystem executeCommand:... instead of popen().
Stefan Vogel <sv@exept.de>
parents:
1295
diff
changeset
|
477 |
"Created: 28.12.1995 / 14:54:41 / stefan" |
faa891d2c1b0
Use OperatingSystem executeCommand:... instead of popen().
Stefan Vogel <sv@exept.de>
parents:
1295
diff
changeset
|
478 |
! |
faa891d2c1b0
Use OperatingSystem executeCommand:... instead of popen().
Stefan Vogel <sv@exept.de>
parents:
1295
diff
changeset
|
479 |
|
faa891d2c1b0
Use OperatingSystem executeCommand:... instead of popen().
Stefan Vogel <sv@exept.de>
parents:
1295
diff
changeset
|
480 |
pid |
faa891d2c1b0
Use OperatingSystem executeCommand:... instead of popen().
Stefan Vogel <sv@exept.de>
parents:
1295
diff
changeset
|
481 |
"return pid" |
faa891d2c1b0
Use OperatingSystem executeCommand:... instead of popen().
Stefan Vogel <sv@exept.de>
parents:
1295
diff
changeset
|
482 |
|
faa891d2c1b0
Use OperatingSystem executeCommand:... instead of popen().
Stefan Vogel <sv@exept.de>
parents:
1295
diff
changeset
|
483 |
^ pid |
faa891d2c1b0
Use OperatingSystem executeCommand:... instead of popen().
Stefan Vogel <sv@exept.de>
parents:
1295
diff
changeset
|
484 |
|
faa891d2c1b0
Use OperatingSystem executeCommand:... instead of popen().
Stefan Vogel <sv@exept.de>
parents:
1295
diff
changeset
|
485 |
"Created: 28.12.1995 / 14:54:30 / stefan" |
99 | 486 |
! ! |
487 |
||
8968
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
488 |
!PipeStream methodsFor:'closing'! |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
489 |
|
20681 | 490 |
abortAndClose |
8968
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
491 |
"close the Stream and terminate the command" |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
492 |
|
20031 | 493 |
self unregisterForFinalization. |
8968
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
494 |
|
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
495 |
"terminate first under windows" |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
496 |
OperatingSystem isMSDOSlike ifTrue:[ |
20031 | 497 |
self terminatePipeCommand. |
498 |
self closeFileDescriptor. |
|
499 |
^ self. |
|
8968
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
500 |
]. |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
501 |
|
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
502 |
"terminate last under unix" |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
503 |
self closeFileDescriptor. |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
504 |
self terminatePipeCommand. |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
505 |
! |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
506 |
|
20681 | 507 |
close |
508 |
"low level close |
|
509 |
This waits for the command to finish. |
|
510 |
Use abortAndClose for a fast (nonBlocking) close." |
|
511 |
||
512 |
handle notNil ifTrue:[ |
|
513 |
super close. |
|
514 |
pid notNil ifTrue:[ |
|
515 |
"/ wait for the pipe-command to terminate. |
|
516 |
self waitForPipeCommandWithTimeout:nil. |
|
517 |
]. |
|
518 |
]. |
|
519 |
||
520 |
"Modified: / 12.9.1998 / 16:51:04 / cg" |
|
521 |
! |
|
522 |
||
523 |
shutDown |
|
524 |
<resource: #obsolete> |
|
525 |
"this is a historic leftover kept for backward compatibility. |
|
20970 | 526 |
The name collides with the same name in Socket, which does |
20681 | 527 |
not hard terminate the connection." |
528 |
||
529 |
self abortAndClose. |
|
530 |
! |
|
531 |
||
8968
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
532 |
shutDownOutput |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
533 |
"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
|
534 |
|
8976
2ff451956d48
#shutDownOutput do nothing (ignore errors), if pipe is closed
Stefan Vogel <sv@exept.de>
parents:
8969
diff
changeset
|
535 |
|fd| |
2ff451956d48
#shutDownOutput do nothing (ignore errors), if pipe is closed
Stefan Vogel <sv@exept.de>
parents:
8969
diff
changeset
|
536 |
|
2ff451956d48
#shutDownOutput do nothing (ignore errors), if pipe is closed
Stefan Vogel <sv@exept.de>
parents:
8969
diff
changeset
|
537 |
self isOpen ifTrue:[ |
10408 | 538 |
fd := self fileDescriptor. |
539 |
fd notNil ifTrue:[ |
|
540 |
OperatingSystem shutdownBidirectionalPipeOutput:fd. |
|
541 |
]. |
|
8976
2ff451956d48
#shutDownOutput do nothing (ignore errors), if pipe is closed
Stefan Vogel <sv@exept.de>
parents:
8969
diff
changeset
|
542 |
]. |
8968
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
543 |
! ! |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
544 |
|
5243 | 545 |
!PipeStream methodsFor:'finalization'! |
546 |
||
6439
0f841258ec4a
Use #finalize instead of #disposed
Stefan Vogel <sv@exept.de>
parents:
6267
diff
changeset
|
547 |
finalize |
5243 | 548 |
"redefined to avoid blocking in close." |
549 |
||
20681 | 550 |
self abortAndClose |
18785 | 551 |
! ! |
552 |
||
553 |
!PipeStream methodsFor:'private'! |
|
369 | 554 |
|
555 |
closeFileDescriptor |
|
10408 | 556 |
"alternative very low level close |
557 |
This closes the underlying OS-fileDescriptor |
|
369 | 558 |
- and will NOT write any buffered data to the stream. |
559 |
You have been warned." |
|
560 |
||
2969
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
parents:
2966
diff
changeset
|
561 |
|action| |
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
parents:
2966
diff
changeset
|
562 |
|
10408 | 563 |
%{ |
3296 | 564 |
#if !defined(transputer) |
369 | 565 |
OBJ fp; |
566 |
FILE *f; |
|
4616 | 567 |
extern close(); |
6267
10016cc16511
pass name of API/C wrap function
Claus Gittinger <cg@exept.de>
parents:
5880
diff
changeset
|
568 |
int retVal; |
369 | 569 |
|
12395
1db7ea277c93
filePointer -> handle migration
Claus Gittinger <cg@exept.de>
parents:
11083
diff
changeset
|
570 |
if ((fp = __INST(handle)) != nil) { |
15436 | 571 |
__INST(handle) = nil; |
572 |
f = __FILEVal(fp); |
|
573 |
if (@global(FileOpenTrace) == true) { |
|
574 |
console_fprintf(stderr, "close [PipeStream] %"_lx_" fd=%d\n", (INT)f, fileno(f)); |
|
575 |
} |
|
19860
324edacff5cc
unified cpu and os defines;
Claus Gittinger <cg@exept.de>
parents:
18785
diff
changeset
|
576 |
#ifdef __win32__ |
15436 | 577 |
do { |
578 |
__threadErrno = 0; |
|
579 |
retVal = __STX_C_NOINT_CALL1( "close", (void*)close, (void*)fileno(f) ); |
|
580 |
} while ((retVal < 0) && (__threadErrno == EINTR)); |
|
3744 | 581 |
#else |
15436 | 582 |
__BEGIN_INTERRUPTABLE__ |
583 |
close(fileno(f)); |
|
584 |
__END_INTERRUPTABLE__ |
|
3744 | 585 |
#endif |
369 | 586 |
} |
3296 | 587 |
#endif /* not transputer */ |
2969
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
parents:
2966
diff
changeset
|
588 |
%}. |
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
parents:
2966
diff
changeset
|
589 |
exitAction notNil ifTrue:[ |
15436 | 590 |
action := exitAction. |
591 |
exitAction := nil. |
|
592 |
action value. |
|
2969
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
parents:
2966
diff
changeset
|
593 |
] |
12712
c1b3b5846541
Make most win32 wrap calls non-interruptable
Stefan Vogel <sv@exept.de>
parents:
12548
diff
changeset
|
594 |
! |
1 | 595 |
|
2969
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
parents:
2966
diff
changeset
|
596 |
exitAction:aBlock |
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
parents:
2966
diff
changeset
|
597 |
"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
|
598 |
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
|
599 |
(see readingFrom:inDirectory:)" |
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
parents:
2966
diff
changeset
|
600 |
|
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
parents:
2966
diff
changeset
|
601 |
exitAction := aBlock |
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
parents:
2966
diff
changeset
|
602 |
! |
1fcf6dfb6004
VMS pipes in another directory
Claus Gittinger <cg@exept.de>
parents:
2966
diff
changeset
|
603 |
|
7079
07625dfffcbf
Cleanup filedescriptor closing on #exec:withArguments:....
Stefan Vogel <sv@exept.de>
parents:
7060
diff
changeset
|
604 |
openPipeFor:aCommandString withMode:rwMode errorDisposition:errorDisposition inDirectory:aDirectory |
10408 | 605 |
"open a pipe to the OS command in commandString; |
8968
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
606 |
rwMode may be 'r' or 'w' or 'r+'. |
5481 | 607 |
errorDisposition controls where the stdErr output should go, |
608 |
and may be one of #discard, #inline or #stderr (default). |
|
10408 | 609 |
#discard causes stderr to be discarded (/dev/null), |
5481 | 610 |
#inline causes it to be written to smalltalks own stdout and |
611 |
#stderr causes it to be written to smalltalks own stderr. |
|
612 |
Nil is treated like #stderr" |
|
3296 | 613 |
|
614 |
|blocked pipeFdArray execFdArray execFd myFd shellAndArgs |
|
10408 | 615 |
shellPath shellArgs mbx mbxName |
14436
c65fa56075a4
changed: #openPipeFor:withMode:errorDisposition:inDirectory:
Stefan Vogel <sv@exept.de>
parents:
12712
diff
changeset
|
616 |
realCmd execDirectory tmpComFile nullOutput resultPid errorNumber| |
3296 | 617 |
|
12395
1db7ea277c93
filePointer -> handle migration
Claus Gittinger <cg@exept.de>
parents:
11083
diff
changeset
|
618 |
handle notNil ifTrue:[ |
20099 | 619 |
"the pipe was already open ... |
620 |
this should (can) not happen." |
|
621 |
^ self errorAlreadyOpen |
|
3296 | 622 |
]. |
4202
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
4125
diff
changeset
|
623 |
|
8968
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
624 |
rwMode = #r ifTrue:[ |
20099 | 625 |
mode := #readonly. didWrite := false. |
626 |
position := 0. "only reading - can keep track of position" |
|
8968
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
627 |
] ifFalse:[rwMode = #'r+' ifTrue:[ |
20099 | 628 |
mode := #readwrite. didWrite := true. |
4202
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
4125
diff
changeset
|
629 |
] ifFalse:[ |
20099 | 630 |
mode := #writeonly. didWrite := true. |
631 |
position := 0. "only writing - can keep track of position" |
|
8968
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
632 |
]]. |
4202
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
4125
diff
changeset
|
633 |
|
3296 | 634 |
lastErrorNumber := nil. |
635 |
exitStatus := nil. |
|
636 |
exitSema := Semaphore new name:'pipe exitSema'. |
|
637 |
||
4202
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
4125
diff
changeset
|
638 |
realCmd := aCommandString. |
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
4125
diff
changeset
|
639 |
execDirectory := aDirectory. |
7079
07625dfffcbf
Cleanup filedescriptor closing on #exec:withArguments:....
Stefan Vogel <sv@exept.de>
parents:
7060
diff
changeset
|
640 |
execFdArray := #(0 1 2) copy. |
4202
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
4125
diff
changeset
|
641 |
|
3791 | 642 |
OperatingSystem isVMSlike ifTrue:[ |
20099 | 643 |
"/ |
644 |
"/ the generated COM-file includes a 'set default' |
|
645 |
"/ |
|
646 |
tmpComFile := OperatingSystem createCOMFileForVMSCommand:aCommandString in:aDirectory. |
|
647 |
realCmd := '@' , tmpComFile osName. |
|
648 |
execDirectory := nil. |
|
4616 | 649 |
|
20099 | 650 |
mbx := OperatingSystem createMailBox. |
651 |
mbx isNil ifTrue:[ |
|
652 |
lastErrorNumber := errorNumber := OperatingSystem currentErrorNumber. |
|
653 |
tmpComFile delete. |
|
654 |
^ self openError:errorNumber. |
|
655 |
]. |
|
656 |
mbxName := OperatingSystem mailBoxNameOf:mbx. |
|
3296 | 657 |
|
20099 | 658 |
"/ 'mailBox is ' print. mbx print. ' name is ' print. mbxName printCR. |
659 |
shellPath := ''. |
|
660 |
shellArgs := realCmd. |
|
4202
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
4125
diff
changeset
|
661 |
|
20099 | 662 |
rwMode = #r ifTrue:[ |
663 |
"redirect stdout of subprocess to write to mailbox" |
|
664 |
execFdArray at:2 put:mbx. |
|
665 |
] ifFalse:[ |
|
666 |
"redirect stdin of subprocess to read from mailbox" |
|
667 |
execFdArray at:1 put:mbx. |
|
668 |
]. |
|
3296 | 669 |
] ifFalse:[ |
20099 | 670 |
shellAndArgs := OperatingSystem commandAndArgsForOSCommand:realCmd. |
671 |
shellPath := shellAndArgs at:1. |
|
672 |
shellArgs := shellAndArgs at:2. |
|
4202
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
4125
diff
changeset
|
673 |
|
20099 | 674 |
mode == #readwrite ifTrue:[ |
675 |
pipeFdArray := OperatingSystem makeBidirectionalPipe. |
|
676 |
pipeFdArray isNil ifTrue:[ |
|
677 |
lastErrorNumber := errorNumber := OperatingSystem currentErrorNumber. |
|
678 |
^ self openError:errorNumber. |
|
679 |
]. |
|
680 |
myFd := pipeFdArray at:1. |
|
681 |
execFd := pipeFdArray at:2. |
|
682 |
execFdArray at:1 put:execFd. |
|
683 |
execFdArray at:2 put:execFd. |
|
684 |
] ifFalse:[ |
|
685 |
pipeFdArray := OperatingSystem makePipe. |
|
686 |
pipeFdArray isNil ifTrue:[ |
|
687 |
lastErrorNumber := errorNumber := OperatingSystem currentErrorNumber. |
|
688 |
^ self openError:errorNumber. |
|
689 |
]. |
|
8968
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
690 |
|
20099 | 691 |
mode == #readonly ifTrue:[ |
692 |
"redirect stdout of subprocess to write to pipe" |
|
693 |
myFd := pipeFdArray at:1. |
|
694 |
execFd := pipeFdArray at:2. |
|
695 |
execFdArray at:2 put:execFd. |
|
696 |
] ifFalse:[ |
|
697 |
"redirect stdin of subprocess to read from pipe" |
|
698 |
myFd := pipeFdArray at:2. |
|
699 |
execFd := pipeFdArray at:1. |
|
700 |
execFdArray at:1 put:execFd. |
|
701 |
]. |
|
702 |
]. |
|
3296 | 703 |
]. |
704 |
||
7079
07625dfffcbf
Cleanup filedescriptor closing on #exec:withArguments:....
Stefan Vogel <sv@exept.de>
parents:
7060
diff
changeset
|
705 |
errorDisposition == #discard ifTrue:[ |
20099 | 706 |
nullOutput := Filename nullDevice writeStream. |
707 |
execFdArray at:3 put:nullOutput fileDescriptor |
|
11083 | 708 |
] ifFalse:[ |
20099 | 709 |
(errorDisposition == #inline or:[errorDisposition == #stdout]) ifTrue:[ |
710 |
execFdArray at:3 put:1 |
|
711 |
] ifFalse:[ |
|
11083 | 712 |
"/ errorDisposition isStream ifTrue:[ |
713 |
"/self halt. |
|
714 |
"/ ]. |
|
20099 | 715 |
]. |
11083 | 716 |
]. |
3296 | 717 |
|
718 |
"/ must block here, to avoid races due to early finishing |
|
719 |
"/ subprocesses ... |
|
720 |
||
721 |
blocked := OperatingSystem blockInterrupts. |
|
722 |
||
10363
5cf689c14989
Fix race condition in PipeStream.
Stefan Vogel <sv@exept.de>
parents:
10343
diff
changeset
|
723 |
"beware: pid may change if subprocess is fast" |
10408 | 724 |
pid := resultPid := Processor |
20099 | 725 |
monitor:[ |
726 |
OperatingSystem |
|
727 |
exec:shellPath |
|
728 |
withArguments:shellArgs |
|
729 |
environment:nil |
|
730 |
fileDescriptors:execFdArray |
|
731 |
fork:true |
|
732 |
newPgrp:true |
|
20323 | 733 |
inDirectory:execDirectory |
734 |
showWindow:false. |
|
20099 | 735 |
] |
736 |
action:[:status | |
|
737 |
status stillAlive ifFalse:[ |
|
738 |
exitStatus := status. |
|
8969
978613904d0b
For writing Pipestreams: close write side of filedescriptor, when
Stefan Vogel <sv@exept.de>
parents:
8968
diff
changeset
|
739 |
|
20099 | 740 |
"writing doesn't make sense - there is no reader any longer" |
741 |
mode == #readwrite ifTrue:[ |
|
742 |
"... but allow to read the rest of the command's output" |
|
743 |
self shutDownOutput. |
|
744 |
] ifFalse:[mode == #writeonly ifTrue:[ |
|
745 |
self closeFileDescriptor. |
|
746 |
]]. |
|
10408 | 747 |
|
20099 | 748 |
OperatingSystem closePid:pid. |
749 |
pid := nil. |
|
750 |
exitSema signal. |
|
751 |
]. |
|
752 |
]. |
|
3296 | 753 |
|
7079
07625dfffcbf
Cleanup filedescriptor closing on #exec:withArguments:....
Stefan Vogel <sv@exept.de>
parents:
7060
diff
changeset
|
754 |
"subprocess has been created. |
07625dfffcbf
Cleanup filedescriptor closing on #exec:withArguments:....
Stefan Vogel <sv@exept.de>
parents:
7060
diff
changeset
|
755 |
close unused filedescriptors" |
07625dfffcbf
Cleanup filedescriptor closing on #exec:withArguments:....
Stefan Vogel <sv@exept.de>
parents:
7060
diff
changeset
|
756 |
|
07625dfffcbf
Cleanup filedescriptor closing on #exec:withArguments:....
Stefan Vogel <sv@exept.de>
parents:
7060
diff
changeset
|
757 |
execFd notNil ifTrue:[ |
20099 | 758 |
OperatingSystem closeFd:execFd. |
4202
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
4125
diff
changeset
|
759 |
]. |
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
4125
diff
changeset
|
760 |
|
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
4125
diff
changeset
|
761 |
nullOutput notNil ifTrue:[ |
20099 | 762 |
nullOutput close |
3296 | 763 |
]. |
764 |
||
10363
5cf689c14989
Fix race condition in PipeStream.
Stefan Vogel <sv@exept.de>
parents:
10343
diff
changeset
|
765 |
resultPid notNil ifTrue:[ |
20099 | 766 |
"successfull creation of subprocesss" |
767 |
OperatingSystem isVMSlike ifTrue:[ |
|
768 |
"/ |
|
769 |
"/ reopen the mailbox as a file ... |
|
770 |
"/ |
|
771 |
mbxName := OperatingSystem mailBoxNameOf:mbx. |
|
772 |
mbxName notNil ifTrue:[ |
|
773 |
super open:mbxName withMode:rwMode. |
|
774 |
exitAction := [tmpComFile delete]. |
|
775 |
]. |
|
776 |
] ifFalse:[ |
|
777 |
self setFileHandle:myFd mode:rwMode. |
|
778 |
handleType := #pipeFilePointer. |
|
779 |
] |
|
3296 | 780 |
] ifFalse:[ |
20099 | 781 |
"creation of subprocesss failed" |
782 |
lastErrorNumber := OperatingSystem currentErrorNumber. |
|
783 |
OperatingSystem isVMSlike ifTrue:[ |
|
784 |
OperatingSystem destroyMailBox:mbx. |
|
785 |
tmpComFile delete. |
|
786 |
] ifFalse:[ |
|
787 |
OperatingSystem closeFd:myFd. |
|
788 |
]. |
|
3296 | 789 |
]. |
790 |
||
791 |
blocked ifFalse:[ |
|
20099 | 792 |
OperatingSystem unblockInterrupts |
3296 | 793 |
]. |
794 |
||
10363
5cf689c14989
Fix race condition in PipeStream.
Stefan Vogel <sv@exept.de>
parents:
10343
diff
changeset
|
795 |
(resultPid isNil or:[lastErrorNumber notNil]) ifTrue:[ |
20099 | 796 |
" |
797 |
the pipe open failed for some reason ... |
|
798 |
... this may be either due to an invalid command string, |
|
799 |
or due to the system running out of memory (when forking |
|
800 |
the unix process) |
|
801 |
" |
|
802 |
exitAction value. |
|
803 |
^ self openError:lastErrorNumber. |
|
3296 | 804 |
]. |
805 |
||
4202
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
4125
diff
changeset
|
806 |
commandString := realCmd. |
5673
58ebbb50cd3a
Set to unbuffered, sincestdio does not work with pipes.
Stefan Vogel <sv@exept.de>
parents:
5624
diff
changeset
|
807 |
|
58ebbb50cd3a
Set to unbuffered, sincestdio does not work with pipes.
Stefan Vogel <sv@exept.de>
parents:
5624
diff
changeset
|
808 |
"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
|
809 |
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
|
810 |
buffered := false. |
15359 | 811 |
position := 0. |
3296 | 812 |
hitEOF := false. |
813 |
binary := false. |
|
18782 | 814 |
self registerForFinalization. |
3296 | 815 |
|
4202
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
4125
diff
changeset
|
816 |
"Modified: / 23.4.1996 / 17:05:59 / stefan" |
b9f85ebd2e38
generalized errorDisposition (for other OS's);
Claus Gittinger <cg@exept.de>
parents:
4125
diff
changeset
|
817 |
"Modified: / 28.1.1998 / 14:47:34 / md" |
6439
0f841258ec4a
Use #finalize instead of #disposed
Stefan Vogel <sv@exept.de>
parents:
6267
diff
changeset
|
818 |
"Created: / 19.5.1999 / 12:28:54 / cg" |
8968
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
819 |
! |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
820 |
|
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
821 |
terminatePipeCommand |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
822 |
|tpid| |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
823 |
|
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
824 |
(tpid := pid) notNil ifTrue:[ |
16953 | 825 |
OperatingSystem terminateProcessGroup:tpid. |
826 |
OperatingSystem terminateProcess:tpid. |
|
8968
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
827 |
]. |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
828 |
! |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
829 |
|
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
830 |
waitForPipeCommandWithTimeout:seconds |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
831 |
"wait for the pipe command to terminate itself. |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
832 |
Return true, if a timeout occurred." |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
833 |
|
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
834 |
pid notNil ifTrue:[ |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
835 |
[ |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
836 |
pid notNil ifTrue:[ |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
837 |
exitSema waitWithTimeout:seconds. |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
838 |
] |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
839 |
] valueUninterruptably |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
840 |
]. |
879991b52630
Support for bidirectional PipeStreams
Stefan Vogel <sv@exept.de>
parents:
8520
diff
changeset
|
841 |
^ pid notNil |
6439
0f841258ec4a
Use #finalize instead of #disposed
Stefan Vogel <sv@exept.de>
parents:
6267
diff
changeset
|
842 |
! ! |
613 | 843 |
|
2266 | 844 |
!PipeStream class methodsFor:'documentation'! |
1295 | 845 |
|
846 |
version |
|
18638 | 847 |
^ '$Header$' |
12712
c1b3b5846541
Make most win32 wrap calls non-interruptable
Stefan Vogel <sv@exept.de>
parents:
12548
diff
changeset
|
848 |
! |
c1b3b5846541
Make most win32 wrap calls non-interruptable
Stefan Vogel <sv@exept.de>
parents:
12548
diff
changeset
|
849 |
|
c1b3b5846541
Make most win32 wrap calls non-interruptable
Stefan Vogel <sv@exept.de>
parents:
12548
diff
changeset
|
850 |
version_CVS |
18638 | 851 |
^ '$Header$' |
1295 | 852 |
! ! |
7027 | 853 |
|
15359 | 854 |
|
613 | 855 |
PipeStream initialize! |