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"
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COPYRIGHT (c) 1988-93 by Claus Gittinger
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All Rights Reserved
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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
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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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Object subclass:#OperatingSystem
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instanceVariableNames:''
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classVariableNames:''
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poolDictionaries:''
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category:'System-Support'
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!
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OperatingSystem comment:'
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COPYRIGHT (c) 1988-93 by Claus Gittinger
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All Rights Reserved
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%W% %E%
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written 1988 by claus
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'!
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%{
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#ifdef transputer
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# define unlink(f) ((remove(f) == 0) ? 0 : -1)
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#else
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# include <signal.h>
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# ifdef SYSV
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# include <sys/types.h>
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# include <sys/param.h>
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# include <sys/times.h>
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# if ! defined(sco3_2)
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# include <unistd.h>
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# endif
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# if defined(isc3_2) || defined(sco3_2)
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# include <sys/time.h>
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# endif
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# if !defined(isc3_2)
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# if defined(PCS) && defined(mips)
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# include "/usr/include/bsd/sys/time.h"
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# include "/usr/include/sys/time.h"
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# else
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# include <time.h>
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# endif
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# endif
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# if defined(isc3_2)
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# include <sys/bsdtypes.h>
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# endif
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# ifdef FAST_TIMER
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# include <ft.h>
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static int timer_fd = -1;
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# endif
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# else /* not SYSV */
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# include <sys/time.h>
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# include <sys/types.h>
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# endif
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# include <pwd.h>
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# include <grp.h>
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# include <sys/stat.h>
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# ifndef S_IXUSR
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# define S_IXUSR S_IEXEC
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# define S_IXGRP (S_IEXEC>>3)
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# define S_IXOTH (S_IEXEC>>6)
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# endif
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#endif
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#ifndef errno
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extern errno;
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#endif
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#include <stdio.h>
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#ifndef R_OK
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# define R_OK 4 /* Test for Read permission */
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# define W_OK 2 /* Test for Write permission */
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# define X_OK 1 /* Test for eXecute permission */
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# define F_OK 0 /* Test for existence of File */
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#endif
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%}
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2
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!OperatingSystem class methodsFor:'documentation'!
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documentation
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"
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this class gives access to some operating system services;
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some of it is very specific for unix.
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"
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! !
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1
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!OperatingSystem class methodsFor:'misc'!
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exit
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"shutdown smalltalk immediately"
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%{ /* NOCONTEXT */
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mainExit(0);
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%}
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"OperatingSystem exit - dont evaluate this"
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exit:exitCode
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"shutdown smalltalk immediately returning an exit-code"
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%{ /* NOCONTEXT */
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if (! _isSmallInteger(exitCode))
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exit(1);
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mainExit(_intVal(exitCode));
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%}
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"OperatingSystem exit:1 - dont evaluate this"
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!
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getEnvironment:aString
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"get an environment string"
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%{ /* NOCONTEXT */
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char *env;
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if (_isString(aString)) {
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env = (char *)getenv(_stringVal(aString));
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if (env) {
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RETURN ( _MKSTRING(env COMMA_CON) );
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}
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}
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%}
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.
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^ nil
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"OperatingSystem getEnvironment:'LANG'"
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getProcessId
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"return the processId"
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%{ /* NOCONTEXT */
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int pid = 0;
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#ifndef transputer
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pid = getpid();
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#endif
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RETURN ( _MKSMALLINT(pid) );
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%}
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"OperatingSystem getProcessId"
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getCharacter
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"read a character from keyboard"
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%{ /* NOCONTEXT */
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RETURN ( _MKSMALLINT(getchar()) );
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%}
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!
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getCPUType
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"return a string giving the type of machine we're running on"
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|cpu|
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cpu := 'unknown'.
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%{ /* NOCONTEXT */
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#ifdef vax
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cpu = _MKSTRING("vax" COMMA_CON);
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#endif
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#ifdef mips
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cpu = _MKSTRING("mips" COMMA_CON);
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#endif
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#ifdef i386
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cpu = _MKSTRING("i386" COMMA_CON);
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#endif
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#ifdef ns32k
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cpu = _MKSTRING("ns32k" COMMA_CON);
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#endif
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#ifdef mc68k
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cpu = _MKSTRING("mc68k" COMMA_CON);
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#endif
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#ifdef sparc
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cpu = _MKSTRING("sparc" COMMA_CON);
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#endif
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#ifdef snake
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cpu = _MKSTRING("snake" COMMA_CON);
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#endif
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#ifdef rs6000
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cpu = _MKSTRING("rs6000" COMMA_CON);
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#endif
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#ifdef alpha
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cpu = _MKSTRING("alpha" COMMA_CON);
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#endif
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#ifdef transputer
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cpu = _MKSTRING("transputer" COMMA_CON);
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#endif
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%}
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.
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^ cpu
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"OperatingSystem getCPUType"
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!
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getOSType
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"return a string giving the type of os we're running on"
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|os|
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os := 'unknown'.
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%{ /* NOCONTEXT */
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#ifdef sinix
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os = _MKSTRING("sinix" COMMA_CON);
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#endif
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#ifdef ultrix
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os = _MKSTRING("ultrix" COMMA_CON);
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#endif
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#ifdef sco
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os = _MKSTRING("sco" COMMA_CON);
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#endif
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#ifdef LINUX
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os = _MKSTRING("linux" COMMA_CON);
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#endif
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#ifdef BSD
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# ifdef MACH
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os = _MKSTRING("mach" COMMA_CON);
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# endif
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# ifdef sunos
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os = _MKSTRING("sunos" COMMA_CON);
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# endif
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# ifdef IRIS
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os = _MKSTRING("irix" COMMA_CON);
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# endif
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if (os == nil) os = _MKSTRING("bsd" COMMA_CON);
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#endif
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#ifdef SYSV
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# ifdef SYSV3
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os = _MKSTRING("sys5.3" COMMA_CON);
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# else
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# ifdef SYSV4
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os = _MKSTRING("sys5.4" COMMA_CON);
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# else
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os = _MKSTRING("sys5" COMMA_CON);
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# endif
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# endif
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#endif
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%}
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.
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^ os
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"OperatingSystem getOSType"
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!
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getSystemType
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"return a string giving the type of system we're running on"
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|sys|
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sys := 'unknown'.
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%{ /* NOCONTEXT */
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#ifdef sinix
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sys = _MKSTRING("sinix" COMMA_CON);
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#endif
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#ifdef ultrix
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sys = _MKSTRING("ultrix" COMMA_CON);
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#endif
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#ifdef sco
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sys = _MKSTRING("sco" COMMA_CON);
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#endif
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#ifdef sunos
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sys = _MKSTRING("sunos" COMMA_CON);
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#endif
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#ifdef solaris
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sys = _MKSTRING("solaris" COMMA_CON);
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#endif
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#ifdef NEXT
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sys = _MKSTRING("next" COMMA_CON);
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#endif
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#ifdef IRIS
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sys = _MKSTRING("iris" COMMA_CON);
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#endif
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#ifdef LINUX
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sys = _MKSTRING("linux" COMMA_CON);
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#endif
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#ifdef BSD
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# ifdef MACH
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if (sys == nil) sys = _MKSTRING("mach" COMMA_CON);
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# endif
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if (sys == nil) sys = _MKSTRING("bsd" COMMA_CON);
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#endif
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#ifdef SYSV
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# ifdef SYSV3
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if (sys == nil) sys = _MKSTRING("sys5.3" COMMA_CON);
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# else
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# ifdef SYSV4
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if (sys == nil) sys = _MKSTRING("sys5.4" COMMA_CON);
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# else
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if (sys == nil) sys = _MKSTRING("sys5" COMMA_CON);
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# endif
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# endif
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#endif
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%}
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.
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329 |
^ sys
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330 |
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"OperatingSystem getSystemType"
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!
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isBSDlike
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"return true, if the OS we're running on is a real unix."
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336 |
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%{ /* NOCONTEXT */
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338 |
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#ifdef BSD
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340 |
RETURN ( true );
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#endif
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342 |
#ifdef SYSV4
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RETURN ( true );
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#endif
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%}
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346 |
.
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347 |
^ false
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348 |
!
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349 |
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350 |
maxFileNameLength
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351 |
"return the max number of characters in a filename."
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352 |
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%{ /* NOCONTEXT */
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#if defined(BSD) || defined(SYSV4) || defined(LINUX)
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355 |
RETURN ( _MKSMALLINT(255) );
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356 |
#else
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357 |
# ifdef SYSV
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358 |
RETURN ( _MKSMALLINT(14) );
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359 |
# endif
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360 |
# ifdef MSDOS
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361 |
RETURN ( _MKSMALLINT(9) );
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362 |
# endif
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363 |
#endif
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364 |
%}
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365 |
.
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366 |
^ 14
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367 |
! !
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368 |
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2
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369 |
!OperatingSystem class methodsFor:'users & groups'!
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370 |
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371 |
getLoginName
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372 |
"return a string with the users name"
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373 |
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374 |
%{ /* NOCONTEXT */
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375 |
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376 |
char *name = "you";
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377 |
#ifndef transputer
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378 |
name = (char *)getlogin();
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379 |
if (! name) {
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380 |
name = (char *)getenv("LOGNAME");
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381 |
}
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382 |
#endif
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383 |
RETURN ( _MKSTRING(name COMMA_CON) );
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384 |
%}
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385 |
"OperatingSystem getLogin"
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386 |
!
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387 |
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388 |
getUserNameFromID:aNumber
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389 |
"return the user-name-string for a given numeric user-id"
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390 |
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391 |
%{ /* NOCONTEXT */
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392 |
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393 |
#ifndef transputer
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394 |
struct passwd *p;
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395 |
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396 |
if (_isSmallInteger(aNumber)) {
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397 |
p = getpwuid(_intVal(aNumber));
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398 |
if (p) {
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399 |
RETURN ( _MKSTRING(p->pw_name COMMA_CON) );
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400 |
}
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401 |
}
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402 |
#endif
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403 |
%}
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404 |
.
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405 |
^ '???'
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406 |
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407 |
"OperatingSystem getUserNameFromID:0"
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408 |
!
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409 |
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410 |
getGroupNameFromID:aNumber
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411 |
"return the group-name-string for a given numeric group-id"
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412 |
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|
413 |
%{ /* NOCONTEXT */
|
|
|
414 |
|
|
|
415 |
#ifndef transputer
|
|
|
416 |
struct group *g;
|
|
|
417 |
|
|
|
418 |
if (_isSmallInteger(aNumber)) {
|
|
|
419 |
g = getgrgid(_intVal(aNumber));
|
|
|
420 |
if (g) {
|
|
|
421 |
RETURN ( _MKSTRING(g->gr_name COMMA_CON) );
|
|
|
422 |
}
|
|
|
423 |
}
|
|
|
424 |
#endif
|
|
|
425 |
%}
|
|
|
426 |
.
|
|
|
427 |
^ '???'
|
|
|
428 |
|
|
|
429 |
"OperatingSystem getGroupNameFromID:0"
|
|
|
430 |
!
|
|
|
431 |
|
|
|
432 |
getHomeDirectory
|
|
|
433 |
"return the name of the home directory"
|
|
|
434 |
|
|
|
435 |
^ OperatingSystem getEnvironment:'HOME'
|
|
|
436 |
|
|
|
437 |
"OperatingSystem getHomeDirectory"
|
|
|
438 |
! !
|
|
|
439 |
|
|
1
|
440 |
!OperatingSystem class methodsFor:'error messages'!
|
|
|
441 |
|
|
|
442 |
errorTextForNumber:errNr
|
|
|
443 |
"return a message string from a unix errorNumber
|
|
|
444 |
(as returned by a system call). Should be replaced by
|
|
|
445 |
a resource lookup."
|
|
|
446 |
|
|
|
447 |
|msg messages|
|
|
|
448 |
|
|
|
449 |
(Language == #german) ifTrue:[
|
|
|
450 |
messages := #('keine superuser Berechtigung'
|
|
|
451 |
'ungueltiger Datei- oder VerzeichnisName'
|
|
|
452 |
nil "'ungueltige Prozessnummer' "
|
|
|
453 |
nil "'unterbrochener systemcall' "
|
|
|
454 |
'E/A Fehler'
|
|
|
455 |
nil "'Geraet existiert nicht' "
|
|
|
456 |
'zu viele Argumente'
|
|
|
457 |
'nicht ausfuehrbar'
|
|
|
458 |
nil "'falscher FileDescriptor'"
|
|
|
459 |
nil "'kein Kindprozess' "
|
|
|
460 |
'zu viele Prozesse oder zu wenig Speicher'
|
|
|
461 |
'zu wenig Speicher'
|
|
|
462 |
'keine ZugriffsBerechtigung'
|
|
|
463 |
nil "'falsche Adresse' "
|
|
|
464 |
nil "'kein Blockgeraet' "
|
|
|
465 |
nil "'Platte noch im Zugriff' "
|
|
|
466 |
'Datei existiert bereits'
|
|
|
467 |
nil "'Link ueber Plattengrenzen hinweg' "
|
|
|
468 |
'Geraet existiert nicht'
|
|
|
469 |
'ist kein Verzeichnis'
|
|
|
470 |
'ist ein Verzeichnis'
|
|
|
471 |
nil "'ungueltiges Argument' "
|
|
|
472 |
'zu viele Dateien offen'
|
|
|
473 |
'zu viele Dateien offen'
|
|
|
474 |
nil "'kein Terminalgeraet' "
|
|
|
475 |
'Datei wird gerade ausgefuehrt'
|
|
|
476 |
'Datei zu gross'
|
|
|
477 |
'Platte ist voll'
|
|
|
478 |
'ungueltige Positionierung'
|
|
|
479 |
'Platte ist schreibgeschuetzt'
|
|
|
480 |
'zu viele Links'
|
|
|
481 |
'Pipe unterbrochen'
|
|
|
482 |
'argument nicht im gueltigen Bereich'
|
|
|
483 |
'Ergebnis nicht im gueltigen Bereich')
|
|
|
484 |
] ifFalse:[
|
|
|
485 |
messages := #('Not super-user'
|
|
|
486 |
'No such file or directory'
|
|
|
487 |
nil "'No such process' "
|
|
|
488 |
nil "'interrupted system call' "
|
|
|
489 |
'I/O error'
|
|
|
490 |
nil "'No such device or address' "
|
|
|
491 |
'Arg list too long'
|
|
|
492 |
'Exec format error'
|
|
|
493 |
nil "'Bad file number'"
|
|
|
494 |
nil "'No children' "
|
|
|
495 |
'No more processes'
|
|
|
496 |
'Not enough core'
|
|
|
497 |
'Permission denied'
|
|
|
498 |
nil "'Bad address' "
|
|
|
499 |
nil "'Block device required' "
|
|
|
500 |
nil "'Mount device busy' "
|
|
|
501 |
'File exists'
|
|
|
502 |
nil "'Cross-device link' "
|
|
|
503 |
'No such device'
|
|
|
504 |
'Not a directory'
|
|
|
505 |
'Is a directory'
|
|
|
506 |
nil 'Invalid argument'
|
|
|
507 |
'File table overflow'
|
|
|
508 |
'Too many open files'
|
|
|
509 |
nil "'Not a typewriter' "
|
|
|
510 |
'Text file busy'
|
|
|
511 |
'File too large'
|
|
|
512 |
'No space left on device'
|
|
|
513 |
'Illegal seek'
|
|
|
514 |
'Read only file system'
|
|
|
515 |
'Too many links'
|
|
|
516 |
'Broken pipe'
|
|
|
517 |
'Math arg out of domain of func'
|
|
|
518 |
'Math result not representable')
|
|
|
519 |
].
|
|
|
520 |
|
|
|
521 |
(errNr between:1 and:messages size) ifTrue:[
|
|
|
522 |
msg := messages at:errNr
|
|
|
523 |
].
|
|
|
524 |
msg isNil ifTrue:[
|
|
|
525 |
^ ('ErrorNr: ' , errNr printString)
|
|
|
526 |
].
|
|
|
527 |
^ msg
|
|
|
528 |
! !
|
|
|
529 |
|
|
|
530 |
!OperatingSystem class methodsFor:'interrupts'!
|
|
|
531 |
|
|
|
532 |
enableUserInterrupts
|
|
|
533 |
"enable userInterrupt (^C) handling;
|
|
|
534 |
after enabling, ^C will send the message 'userInterrupt'
|
|
|
535 |
to the UserInterruptHandler object."
|
|
|
536 |
|
|
|
537 |
%{ /* NOCONTEXT */
|
|
|
538 |
extern void userInterrupt(), exceptionInterrupt();
|
|
|
539 |
|
|
|
540 |
signal(SIGINT, userInterrupt);
|
|
|
541 |
/* signal(SIGQUIT, userInterrupt); */
|
|
|
542 |
%}
|
|
|
543 |
!
|
|
|
544 |
|
|
|
545 |
enableFpExceptionInterrupts
|
|
|
546 |
"enable floating point exception interrupts (if the
|
|
|
547 |
architecture supports it).
|
|
|
548 |
after enabling, fpu-exceptions will send the message
|
|
|
549 |
'fpuExceptionInterrupt' to the FPUExceptionInterruptHandler object."
|
|
|
550 |
|
|
|
551 |
%{ /* NOCONTEXT */
|
|
|
552 |
extern void fpExceptionInterrupt();
|
|
|
553 |
|
|
|
554 |
signal(SIGFPE, fpExceptionInterrupt);
|
|
|
555 |
%}
|
|
|
556 |
!
|
|
|
557 |
|
|
|
558 |
enableSignalInterrupts
|
|
|
559 |
"enable signal exception interrupts (trap, buserror & segm. violation).
|
|
|
560 |
after enabling, these exceptions will send the message
|
|
|
561 |
'signalInterrupt' to the SignalInterruptHandler object."
|
|
|
562 |
|
|
|
563 |
%{ /* NOCONTEXT */
|
|
|
564 |
extern void signalPIPEInterrupt();
|
|
|
565 |
extern void signalBUSInterrupt();
|
|
|
566 |
extern void signalSEGVInterrupt();
|
|
|
567 |
|
|
|
568 |
signal(SIGPIPE, signalPIPEInterrupt);
|
|
|
569 |
#ifdef SIGBUS
|
|
|
570 |
signal(SIGBUS, signalBUSInterrupt);
|
|
|
571 |
#endif
|
|
|
572 |
signal(SIGSEGV, signalSEGVInterrupt);
|
|
|
573 |
%}
|
|
|
574 |
!
|
|
|
575 |
|
|
|
576 |
enableIOInterrupts
|
|
|
577 |
"enable IO availability interrupts
|
|
|
578 |
(SIGPOLL/SIGIO, if the architecture supports it).
|
|
|
579 |
after enabling, these signals will send the message
|
|
|
580 |
'ioInterrupt' to the IOInterruptHandler object."
|
|
|
581 |
|
|
|
582 |
%{ /* NOCONTEXT */
|
|
|
583 |
extern void ioInterrupt();
|
|
|
584 |
|
|
|
585 |
#ifdef SIGPOLL
|
|
|
586 |
signal(SIGPOLL, ioInterrupt);
|
|
|
587 |
#endif
|
|
|
588 |
#ifdef SIGIO
|
|
|
589 |
signal(SIGIO, ioInterrupt);
|
|
|
590 |
#endif
|
|
|
591 |
%}
|
|
|
592 |
!
|
|
|
593 |
|
|
2
|
594 |
enableChildSignalInterrupts
|
|
|
595 |
"enable childSignal interrupts
|
|
|
596 |
(SIGCHLD, if the architecture supports it).
|
|
|
597 |
after enabling, these signals will send the message
|
|
|
598 |
'childSignalInterrupt' to the ChildSignalInterruptHandler object."
|
|
|
599 |
|
|
|
600 |
%{ /* NOCONTEXT */
|
|
|
601 |
extern void signalChildInterrupt();
|
|
|
602 |
|
|
|
603 |
#ifdef SIGCHLD
|
|
|
604 |
signal(SIGCHLD, signalChildInterrupt);
|
|
|
605 |
#else
|
|
|
606 |
# ifdef SIGCLD
|
|
|
607 |
signal(SIGCLD, signalChildInterrupt);
|
|
|
608 |
# endif
|
|
|
609 |
#endif
|
|
|
610 |
%}
|
|
|
611 |
!
|
|
|
612 |
|
|
1
|
613 |
startSpyTimer
|
|
|
614 |
"trigger a spyInterrupt, to be signalled after some (short) time.
|
|
|
615 |
This is used by MessageTally for profiling."
|
|
|
616 |
|
|
|
617 |
%{ /* NOCONTEXT */
|
|
|
618 |
|
|
|
619 |
extern void spyInterrupt();
|
|
|
620 |
#ifdef FAST_TIMER
|
|
|
621 |
/*
|
|
|
622 |
* using PD ft-driver for tick-resolution signals
|
|
|
623 |
*/
|
|
|
624 |
if (timer_fd < 0) {
|
|
|
625 |
timer_fd = open("/dev/ft0", 0);
|
|
|
626 |
}
|
|
|
627 |
if (timer_fd > 0) {
|
|
|
628 |
ioctl(timer_fd, FTIOCSET, (2<<16) | SIGALRM);
|
|
|
629 |
}
|
|
|
630 |
#else
|
|
|
631 |
# if defined(BSD) || defined(isc3_2) || defined(SYSV4) || defined(LINUX)
|
|
|
632 |
struct itimerval dt;
|
|
|
633 |
|
|
|
634 |
dt.it_interval.tv_sec = 0;
|
|
|
635 |
dt.it_interval.tv_usec = 0;
|
|
|
636 |
dt.it_value.tv_sec = 0;
|
|
2
|
637 |
dt.it_value.tv_usec = 1000; /* 1000 Hz */
|
|
1
|
638 |
setitimer(ITIMER_VIRTUAL, &dt, 0);
|
|
|
639 |
# ifdef BSD
|
|
|
640 |
# ifndef SYSV4
|
|
|
641 |
sigsetmask(0);
|
|
|
642 |
# endif
|
|
|
643 |
# endif
|
|
|
644 |
# endif
|
|
|
645 |
#endif
|
|
|
646 |
|
|
|
647 |
#ifdef SIGVTALRM
|
|
|
648 |
signal(SIGVTALRM, spyInterrupt);
|
|
|
649 |
#else
|
|
|
650 |
signal(SIGALRM, spyInterrupt);
|
|
|
651 |
#endif
|
|
|
652 |
%}
|
|
|
653 |
!
|
|
|
654 |
|
|
|
655 |
stopSpyTimer
|
|
|
656 |
"stop spy timing"
|
|
|
657 |
|
|
|
658 |
%{ /* NOCONTEXT */
|
|
|
659 |
|
|
|
660 |
#ifdef FAST_TIMER
|
|
|
661 |
if (timer_fd > 0) {
|
|
|
662 |
ioctl(timer_fd, FTIOCANCEL, 0);
|
|
|
663 |
close(timer_fd);
|
|
|
664 |
timer_fd = -1;
|
|
|
665 |
}
|
|
|
666 |
#else
|
|
|
667 |
# if defined(BSD) || defined(isc3_2) || defined(SYSV4) || defined(LINUX)
|
|
|
668 |
struct itimerval dt;
|
|
|
669 |
|
|
|
670 |
dt.it_interval.tv_sec = 0;
|
|
|
671 |
dt.it_interval.tv_usec = 0;
|
|
|
672 |
dt.it_value.tv_sec = 0;
|
|
|
673 |
dt.it_value.tv_usec = 0;
|
|
|
674 |
setitimer(ITIMER_VIRTUAL, &dt, 0);
|
|
|
675 |
# endif
|
|
|
676 |
#endif
|
|
|
677 |
%}
|
|
|
678 |
! !
|
|
|
679 |
|
|
|
680 |
!OperatingSystem class methodsFor:'time and date'!
|
|
|
681 |
|
|
|
682 |
getTimeLow
|
|
|
683 |
"return low 16 bits of current time.
|
|
|
684 |
Obsolete: Dont use this method, use getTimeParts below.
|
|
|
685 |
This method will not always return the correct time
|
|
|
686 |
if used together with getTimeHi.
|
|
|
687 |
(a wrap between the two getTimeXXX calls could occur)"
|
|
|
688 |
|
|
|
689 |
%{ /* NOCONTEXT */
|
|
|
690 |
|
|
|
691 |
RETURN ( _MKSMALLINT(time(0) & 0xFFFF) );
|
|
|
692 |
%}
|
|
|
693 |
.
|
|
|
694 |
self primitiveFailed
|
|
|
695 |
|
|
|
696 |
"OperatingSystem getTimeLow"
|
|
|
697 |
!
|
|
|
698 |
|
|
|
699 |
getTimeHi
|
|
|
700 |
"return hi 16 bits of current time.
|
|
|
701 |
Obsolete: Dont use this method, use getTimeParts below.
|
|
|
702 |
This method will NOT always return the correct time
|
|
|
703 |
if used together with getTimeHi.
|
|
|
704 |
(a wrap between the two getTimeXXX calls could occur)"
|
|
|
705 |
|
|
|
706 |
%{ /* NOCONTEXT */
|
|
|
707 |
|
|
|
708 |
RETURN ( _MKSMALLINT((time(0) >> 16) & 0xFFFF) );
|
|
|
709 |
%}
|
|
|
710 |
.
|
|
|
711 |
self primitiveFailed
|
|
|
712 |
|
|
|
713 |
"OperatingSystem getTimeHi"
|
|
|
714 |
!
|
|
|
715 |
|
|
|
716 |
getTimeInto:aBlock
|
|
|
717 |
"evaluate the argument aBlock, passing the time-parts of
|
|
|
718 |
the current time as arguments."
|
|
|
719 |
|
|
|
720 |
|low hi|
|
|
|
721 |
%{
|
|
|
722 |
int now;
|
|
|
723 |
|
|
|
724 |
now = time(0);
|
|
|
725 |
hi = _MKSMALLINT((now >> 16) & 0xFFFF);
|
|
|
726 |
low = _MKSMALLINT(now & 0xFFFF);
|
|
|
727 |
%}
|
|
|
728 |
.
|
|
|
729 |
aBlock value:low value:hi
|
|
|
730 |
|
|
|
731 |
"OperatingSystem getTimeTimeInto:[:low :hi | low printNewline. hi printNewline]"
|
|
|
732 |
!
|
|
|
733 |
|
|
|
734 |
getTime
|
|
|
735 |
"return current Time (in seconds since 1970).
|
|
|
736 |
This might return a LargeInteger some time."
|
|
|
737 |
|
|
|
738 |
^ self getTimeHi * 16r10000 + self getTimeLow
|
|
|
739 |
|
|
|
740 |
"OperatingSystem getTime"
|
|
|
741 |
!
|
|
|
742 |
|
|
|
743 |
computeDatePartsOf:timeLow and:timeHi for:aBlock
|
|
|
744 |
"compute year, month and day from the time-parts timeLow and
|
|
|
745 |
timeHi and evaluate the argument, a 3-arg block with these.
|
|
|
746 |
This method was added to avoid LargeInteger arithmetic; the time-parts
|
|
|
747 |
are those returned by getTimeLow and getTimeHi."
|
|
|
748 |
|
|
|
749 |
|year month day|
|
|
|
750 |
|
|
|
751 |
((timeLow isMemberOf:SmallInteger) and:[timeHi isMemberOf:SmallInteger])
|
|
|
752 |
ifFalse:[
|
|
|
753 |
^ self primitiveFailed
|
|
|
754 |
].
|
|
|
755 |
%{
|
|
|
756 |
struct tm *tmPtr;
|
|
|
757 |
long t;
|
|
|
758 |
|
|
|
759 |
t = (_intVal(timeHi) << 16) | _intVal(timeLow);
|
|
|
760 |
tmPtr = localtime(&t);
|
|
|
761 |
year = _MKSMALLINT(tmPtr->tm_year + 1900);
|
|
|
762 |
month = _MKSMALLINT(tmPtr->tm_mon + 1);
|
|
|
763 |
day = _MKSMALLINT(tmPtr->tm_mday);
|
|
|
764 |
%}
|
|
|
765 |
.
|
|
|
766 |
aBlock value:year value:month value:day
|
|
|
767 |
!
|
|
|
768 |
|
|
|
769 |
computeTimePartsOf:timeLow and:timeHi for:aBlock
|
|
|
770 |
"compute hours, minutes and seconds from the time-parts timeLow and
|
|
|
771 |
timeHi and evaluate the argument, a 3-arg block with these."
|
|
|
772 |
|
|
|
773 |
|hours minutes seconds|
|
|
|
774 |
|
|
|
775 |
((timeLow isMemberOf:SmallInteger) and:[timeHi isMemberOf:SmallInteger])
|
|
|
776 |
ifFalse:[
|
|
|
777 |
^ self primitiveFailed
|
|
|
778 |
].
|
|
|
779 |
%{
|
|
|
780 |
struct tm *tmPtr;
|
|
|
781 |
long t;
|
|
|
782 |
|
|
|
783 |
t = (_intVal(timeHi) << 16) | _intVal(timeLow);
|
|
|
784 |
tmPtr = localtime(&t);
|
|
|
785 |
hours = _MKSMALLINT(tmPtr->tm_hour);
|
|
|
786 |
minutes = _MKSMALLINT(tmPtr->tm_min);
|
|
|
787 |
seconds = _MKSMALLINT(tmPtr->tm_sec);
|
|
|
788 |
%}
|
|
|
789 |
.
|
|
|
790 |
aBlock value:hours value:minutes value:seconds
|
|
|
791 |
!
|
|
|
792 |
|
|
|
793 |
getMillisecondTime
|
|
|
794 |
"since range is limited to 0..1ffffff and value is wrapping around
|
|
|
795 |
at 1fffffff, this can only be used for relative time deltas.
|
|
|
796 |
Use methods below to compare and add time deltas (should move to Time)"
|
|
|
797 |
|
|
|
798 |
%{ /* NOCONTEXT */
|
|
|
799 |
|
|
|
800 |
long t;
|
|
|
801 |
#ifdef SYSV
|
|
|
802 |
# ifdef HZ
|
|
|
803 |
/* sys5 time */
|
|
|
804 |
long ticks;
|
|
|
805 |
struct tms tb;
|
|
|
806 |
|
|
|
807 |
ticks = times(&tb);
|
|
|
808 |
t = (ticks * 1000) / HZ;
|
|
|
809 |
# endif
|
|
|
810 |
#else
|
|
|
811 |
/* bsd time */
|
|
|
812 |
struct timeval tb;
|
|
|
813 |
struct timezone tzb;
|
|
|
814 |
|
|
|
815 |
gettimeofday(&tb, &tzb);
|
|
|
816 |
t = tb.tv_sec*1000 + tb.tv_usec/1000;
|
|
|
817 |
#endif
|
|
|
818 |
RETURN ( _MKSMALLINT(t & 0x0FFFFFFF) );
|
|
|
819 |
%}
|
|
|
820 |
.
|
|
|
821 |
self error:'time not available'
|
|
|
822 |
!
|
|
|
823 |
|
|
|
824 |
millisecondTimeDeltaBetween:msTime1 and:msTime2
|
|
|
825 |
"subtract two millisecond times (such as returned getMillisecondTime).
|
|
|
826 |
The returned value is msTime1 - msTime2 where a wrap occurs at:16r0FFFFFFF."
|
|
|
827 |
|
|
|
828 |
(msTime1 > msTime2) ifTrue:[
|
|
|
829 |
^ msTime1 - msTime2
|
|
|
830 |
].
|
|
|
831 |
^ msTime1 + 16r10000000 - msTime2
|
|
|
832 |
!
|
|
|
833 |
|
|
|
834 |
millisecondTime:msTime1 isAfter:msTime2
|
|
|
835 |
"return true if msTime1 is after msTime2, false if not.
|
|
|
836 |
handling wrap at 16r0FFFFFFF. The two arguments are
|
|
|
837 |
millisecond times (such as returned getMillisecondTime)."
|
|
|
838 |
|
|
|
839 |
(msTime1 > msTime2) ifTrue:[
|
|
|
840 |
((msTime1 - msTime2) > 16r08000000) ifTrue:[
|
|
|
841 |
^ false
|
|
|
842 |
].
|
|
|
843 |
^ true
|
|
|
844 |
].
|
|
|
845 |
((msTime2 - msTime1) > 16r08000000) ifTrue:[
|
|
|
846 |
^ true
|
|
|
847 |
].
|
|
|
848 |
^ false
|
|
|
849 |
!
|
|
|
850 |
|
|
|
851 |
millisecondTimeAdd:msTime1 and:msTime2
|
|
|
852 |
"add two millisecond times (such as returned getMillisecondTime).
|
|
|
853 |
The returned value is msTime1 + msTime2 where a wrap occurs at:16r0FFFFFFF."
|
|
|
854 |
|
|
|
855 |
|sum|
|
|
|
856 |
|
|
|
857 |
sum := msTime1 + msTime2.
|
|
|
858 |
(sum > 16r0FFFFFFF) ifTrue:[^ sum - 16r10000000].
|
|
|
859 |
(sum < 0) ifTrue:[^ sum + 16r10000000].
|
|
|
860 |
^ sum
|
|
|
861 |
!
|
|
|
862 |
|
|
|
863 |
millisecondDelay:millis
|
|
|
864 |
"delay execution for millis milliseconds."
|
|
|
865 |
|
|
|
866 |
self selectOn:nil withTimeOut:(millis * 0.001)
|
|
|
867 |
|
|
|
868 |
"OperatingSystem millisecondDelay:1000"
|
|
|
869 |
!
|
|
|
870 |
|
|
|
871 |
sleep:numberOfSeconds
|
|
|
872 |
"cease any action for some time.
|
|
|
873 |
Not really useful since not even low-prio processes and interrupt
|
|
|
874 |
handling will run during the sleep - use millisecondDelay:."
|
|
|
875 |
|
|
|
876 |
%{ /* NOCONTEXT */
|
|
|
877 |
|
|
|
878 |
if (_isSmallInteger(numberOfSeconds)) {
|
|
|
879 |
sleep(_intVal(numberOfSeconds));
|
|
|
880 |
RETURN ( self );
|
|
|
881 |
}
|
|
|
882 |
%}
|
|
|
883 |
.
|
|
|
884 |
self primitiveFailed
|
|
|
885 |
!
|
|
|
886 |
|
|
|
887 |
selectOn:aFileDescriptor withTimeOut:seconds
|
|
|
888 |
"wait for aFileDesriptor to become ready; timeout after t seconds.
|
|
|
889 |
Return true, if i/o ok, false if timed-out or interrupted.
|
|
|
890 |
With 0 as timeout argument, this can be used to check for availability
|
|
|
891 |
of read-data.
|
|
|
892 |
Experimental."
|
|
|
893 |
|
|
|
894 |
|millis|
|
|
|
895 |
|
|
|
896 |
millis := (seconds * 1000) rounded.
|
|
|
897 |
%{
|
|
|
898 |
fd_set rset, wset, eset;
|
|
|
899 |
int t, fd, i, lX, bX;
|
|
|
900 |
struct timeval wt;
|
|
|
901 |
|
|
|
902 |
if ((aFileDescriptor == nil) || _isSmallInteger(aFileDescriptor)) {
|
|
|
903 |
if (_isSmallInteger(millis)) {
|
|
|
904 |
FD_ZERO(&rset);
|
|
|
905 |
FD_ZERO(&wset);
|
|
|
906 |
FD_ZERO(&eset);
|
|
|
907 |
if (aFileDescriptor != nil) {
|
|
|
908 |
fd = _intVal(aFileDescriptor);
|
|
|
909 |
if ((fd >= 0) && (fd < FD_SETSIZE))
|
|
|
910 |
FD_SET(fd, &rset);
|
|
|
911 |
} else
|
|
|
912 |
fd = 0;
|
|
|
913 |
t = _intVal(millis);
|
|
|
914 |
wt.tv_sec = t / 1000;
|
|
|
915 |
wt.tv_usec = (t % 1000) * 1000;
|
|
|
916 |
RETURN ( (select(fd+1, &rset, &wset, &eset, &wt) == 0) ? false
|
|
|
917 |
: true );
|
|
|
918 |
}
|
|
|
919 |
}
|
|
|
920 |
%}
|
|
|
921 |
.
|
|
|
922 |
self primitiveFailed
|
|
|
923 |
!
|
|
|
924 |
|
|
|
925 |
selectOn:fd1 and:fd2 withTimeOut:seconds
|
|
|
926 |
"wait for any fd to become ready; timeout after t seconds.
|
|
|
927 |
Return fd if i/o ok, nil if timed-out or interrupted.
|
|
|
928 |
Experimental."
|
|
|
929 |
|
|
|
930 |
|millis|
|
|
|
931 |
|
|
|
932 |
millis := (seconds * 1000) rounded.
|
|
|
933 |
%{
|
|
|
934 |
fd_set rset, wset, eset;
|
|
|
935 |
int t, f1, f2, i, lX, bX;
|
|
|
936 |
struct timeval wt;
|
|
|
937 |
OBJ retFd;
|
|
|
938 |
|
|
|
939 |
if (((fd1 == nil) || _isSmallInteger(fd1))
|
|
|
940 |
&& ((fd2 == nil) || _isSmallInteger(fd2))) {
|
|
|
941 |
if (_isSmallInteger(millis)) {
|
|
|
942 |
FD_ZERO(&rset);
|
|
|
943 |
FD_ZERO(&wset);
|
|
|
944 |
FD_ZERO(&eset);
|
|
|
945 |
if (fd1 != nil) {
|
|
|
946 |
f1 = _intVal(fd1);
|
|
|
947 |
if ((f1 >= 0) && (f1 < FD_SETSIZE))
|
|
|
948 |
FD_SET(f1, &rset);
|
|
|
949 |
} else
|
|
|
950 |
f1 = 0;
|
|
|
951 |
if (fd2 != nil) {
|
|
|
952 |
f2 = _intVal(fd2);
|
|
|
953 |
if ((f2 >= 0) && (f2 < FD_SETSIZE))
|
|
|
954 |
FD_SET(f2, &rset);
|
|
|
955 |
} else
|
|
|
956 |
f2 = 0;
|
|
|
957 |
if (f2 > f1)
|
|
|
958 |
f1 = f2;
|
|
|
959 |
t = _intVal(millis);
|
|
|
960 |
wt.tv_sec = t / 1000;
|
|
|
961 |
wt.tv_usec = (t % 1000) * 1000;
|
|
|
962 |
if (select(f1+1, &rset, &wset, &eset, &wt)) {
|
|
|
963 |
if (FD_ISSET(f1, &rset)) retFd = fd1;
|
|
|
964 |
else if (FD_ISSET(f1, &wset)) retFd = fd1;
|
|
|
965 |
else if (FD_ISSET(f1, &eset)) retFd = fd1;
|
|
|
966 |
else if (FD_ISSET(f2, &rset)) retFd = fd2;
|
|
|
967 |
else if (FD_ISSET(f2, &wset)) retFd = fd2;
|
|
|
968 |
else if (FD_ISSET(f2, &eset)) retFd = fd2;
|
|
|
969 |
RETURN ( retFd );
|
|
|
970 |
}
|
|
|
971 |
RETURN ( nil );
|
|
|
972 |
}
|
|
|
973 |
}
|
|
|
974 |
%}
|
|
|
975 |
.
|
|
|
976 |
self primitiveFailed
|
|
|
977 |
!
|
|
|
978 |
|
|
|
979 |
selectOnAnyReadable:fdArray withTimeOut:seconds
|
|
|
980 |
"wait for any fd in fdArray (an Array of integers) to become ready;
|
|
|
981 |
timeout after t seconds. An empty set will always wait.
|
|
|
982 |
Return first ready fd if i/o ok, nil if timed-out or interrupted.
|
|
|
983 |
Experimental."
|
|
|
984 |
|
|
|
985 |
|millis count|
|
|
|
986 |
|
|
|
987 |
millis := (seconds * 1000) rounded asInteger.
|
|
|
988 |
(fdArray class == Array) ifFalse:[
|
|
|
989 |
^ self error:'argument must be an Array'
|
|
|
990 |
].
|
|
|
991 |
count := fdArray size.
|
|
|
992 |
%{
|
|
|
993 |
fd_set rset, wset, eset;
|
|
|
994 |
int t, f, maxF, i, lX, bX;
|
|
|
995 |
struct timeval wt;
|
|
|
996 |
OBJ fd, retFd;
|
|
|
997 |
|
|
|
998 |
if (_isSmallInteger(millis)) {
|
|
|
999 |
FD_ZERO(&rset);
|
|
|
1000 |
FD_ZERO(&wset);
|
|
|
1001 |
FD_ZERO(&eset);
|
|
|
1002 |
|
|
|
1003 |
maxF = 0;
|
|
|
1004 |
for (i=0; i<_intVal(count);i++) {
|
|
|
1005 |
fd = _ArrayInstPtr(fdArray)->a_element[i];
|
|
|
1006 |
if (fd != nil) {
|
|
|
1007 |
f = _intVal(fd);
|
|
|
1008 |
if ((f >= 0) && (f < FD_SETSIZE)) {
|
|
|
1009 |
FD_SET(f, &rset);
|
|
|
1010 |
/* FD_SET(f, &wset); */
|
|
|
1011 |
/* FD_SET(f, &eset); */
|
|
|
1012 |
if (f > maxF) maxF = f;
|
|
|
1013 |
}
|
|
|
1014 |
}
|
|
|
1015 |
}
|
|
|
1016 |
t = _intVal(millis);
|
|
|
1017 |
wt.tv_sec = t / 1000;
|
|
|
1018 |
wt.tv_usec = (t % 1000) * 1000;
|
|
|
1019 |
if (select(maxF+1, &rset, &wset, &eset, &wt)) {
|
|
|
1020 |
for (i=0; i <= maxF; i++) {
|
|
|
1021 |
if (FD_ISSET(i, &rset)
|
|
|
1022 |
/* || FD_ISSET(i, &wset)
|
|
|
1023 |
|| FD_ISSET(i, &eset) */ ) {
|
|
|
1024 |
RETURN ( _MKSMALLINT(i) );
|
|
|
1025 |
}
|
|
|
1026 |
}
|
|
|
1027 |
}
|
|
|
1028 |
RETURN ( nil );
|
|
|
1029 |
}
|
|
|
1030 |
%}
|
|
|
1031 |
.
|
|
|
1032 |
self primitiveFailed
|
|
|
1033 |
! !
|
|
|
1034 |
|
|
|
1035 |
!OperatingSystem class methodsFor:'executing commands'!
|
|
|
1036 |
|
|
|
1037 |
fork
|
|
|
1038 |
"fork a new process"
|
|
|
1039 |
|
|
|
1040 |
%{ /* NOCONTEXT */
|
|
|
1041 |
|
|
|
1042 |
int pid;
|
|
|
1043 |
|
|
|
1044 |
pid = fork();
|
|
|
1045 |
RETURN ( _MKSMALLINT(pid) );
|
|
|
1046 |
%}
|
|
|
1047 |
.
|
|
|
1048 |
self primitiveFailed
|
|
|
1049 |
!
|
|
|
1050 |
|
|
|
1051 |
exec:aPath withArguments:argArray
|
|
|
1052 |
"execute the unix command specified by the argument, aPath, with
|
|
|
1053 |
arguments in argArray.
|
|
|
1054 |
If successful, this method does not return and smalltalk is gone.
|
|
|
1055 |
If not sucessfull, false is returned. Normal use is with fork."
|
|
|
1056 |
|
|
|
1057 |
%{
|
|
|
1058 |
char *argv[64];
|
|
|
1059 |
int nargs, i;
|
|
|
1060 |
OBJ arg;
|
|
|
1061 |
|
|
|
1062 |
if (_isString(aPath) && _isArray(argArray)) {
|
|
2
|
1063 |
nargs = _arraySize(argArray);
|
|
1
|
1064 |
for (i=0; i < nargs; i++) {
|
|
|
1065 |
arg = _ArrayInstPtr(argArray)->a_element[i];
|
|
2
|
1066 |
if (_isString(arg)) {
|
|
1
|
1067 |
argv[i] = (char *) _stringVal(arg);
|
|
2
|
1068 |
}
|
|
1
|
1069 |
}
|
|
|
1070 |
argv[i] = NULL;
|
|
|
1071 |
execv(_stringVal(aPath), argv);
|
|
|
1072 |
/* should not be reached */
|
|
|
1073 |
RETURN ( false );
|
|
|
1074 |
}
|
|
|
1075 |
%}
|
|
|
1076 |
.
|
|
|
1077 |
self primitiveFailed
|
|
|
1078 |
!
|
|
|
1079 |
|
|
|
1080 |
executeCommand:aCommandString
|
|
|
1081 |
"execute the unix command specified by the argument, aCommandString.
|
|
|
1082 |
Return true if successful, false otherwise. Smalltalk is suspended,
|
|
|
1083 |
while the command is executing."
|
|
|
1084 |
|
|
|
1085 |
%{ /* NOCONTEXT */
|
|
|
1086 |
|
|
|
1087 |
int status;
|
|
|
1088 |
extern OBJ ErrorNumber;
|
|
|
1089 |
|
|
|
1090 |
if (_isString(aCommandString)) {
|
|
|
1091 |
status = system((char *) _stringVal(aCommandString));
|
|
|
1092 |
if (status == 0) {
|
|
|
1093 |
RETURN ( true );
|
|
|
1094 |
}
|
|
|
1095 |
ErrorNumber = _MKSMALLINT(errno);
|
|
|
1096 |
RETURN ( false );
|
|
|
1097 |
}
|
|
|
1098 |
%}
|
|
|
1099 |
.
|
|
|
1100 |
self primitiveFailed
|
|
|
1101 |
|
|
|
1102 |
"OperatingSystem executeCommand:'pwd'"
|
|
|
1103 |
"OperatingSystem executeCommand:'ls -l'"
|
|
|
1104 |
"OperatingSystem executeCommand:'invalidCommand'"
|
|
|
1105 |
! !
|
|
|
1106 |
|
|
|
1107 |
!OperatingSystem class methodsFor:'file access'!
|
|
|
1108 |
|
|
2
|
1109 |
fileSeparator
|
|
|
1110 |
"return the character used to separate names in a path.
|
|
|
1111 |
This character differs for MSDOS and other systems,
|
|
|
1112 |
(but those are currently not supported)"
|
|
|
1113 |
|
|
|
1114 |
^ $/
|
|
|
1115 |
!
|
|
|
1116 |
|
|
|
1117 |
baseNameOf:aPathString
|
|
|
1118 |
"return the baseName of the argument, aPathString
|
|
1
|
1119 |
- thats the file/directory name without leading parent-dirs
|
|
|
1120 |
(i.e. OperatingSystem baseNameOf:'/usr/lib/st/file' -> 'file'
|
|
|
1121 |
and OperatingSystem baseNameOf:'/usr/lib' -> lib).
|
|
2
|
1122 |
This method does not check if the path is valid
|
|
|
1123 |
(i.e. if these directories really exist)."
|
|
|
1124 |
|
|
|
1125 |
|prev index sep|
|
|
1
|
1126 |
|
|
2
|
1127 |
sep := self fileSeparator.
|
|
|
1128 |
((aPathString size == 1) and:[(aPathString at:1) == sep]) ifTrue:[
|
|
|
1129 |
^ aPathString
|
|
|
1130 |
].
|
|
1
|
1131 |
prev := 1.
|
|
|
1132 |
[true] whileTrue:[
|
|
2
|
1133 |
index := aPathString indexOf:sep
|
|
|
1134 |
startingAt:prev
|
|
|
1135 |
ifAbsent:[0].
|
|
|
1136 |
index == 0 ifTrue:[
|
|
|
1137 |
^ aPathString copyFrom:prev
|
|
|
1138 |
].
|
|
1
|
1139 |
prev := index + 1
|
|
|
1140 |
]
|
|
2
|
1141 |
|
|
|
1142 |
"OperatingSystem baseNameOf:'/fee/foo/bar'"
|
|
|
1143 |
"OperatingSystem baseNameOf:'foo/bar'"
|
|
|
1144 |
"OperatingSystem baseNameOf:'../../foo/bar'"
|
|
1
|
1145 |
!
|
|
|
1146 |
|
|
2
|
1147 |
directoryNameOf:aPathString
|
|
1
|
1148 |
"return the directoryName of the argument, aPath
|
|
|
1149 |
- thats the name of the directory where aPath is
|
|
|
1150 |
(i.e. OperatingSystem directoryNameOf:'/usr/lib/st/file' -> '/usr/lib/st'
|
|
|
1151 |
and OperatingSystem directoryNameOf:'/usr/lib' -> /usr').
|
|
|
1152 |
This method does not check if the path is valid (i.e. if these directories
|
|
|
1153 |
really exist)."
|
|
|
1154 |
|
|
2
|
1155 |
|last index sep sepString|
|
|
1
|
1156 |
|
|
2
|
1157 |
sep := self fileSeparator.
|
|
|
1158 |
sepString := sep asString.
|
|
|
1159 |
(aPathString = sepString) ifTrue:[
|
|
|
1160 |
^ aPathString
|
|
|
1161 |
].
|
|
|
1162 |
(aPathString startsWith:sepString) ifFalse:[
|
|
|
1163 |
(aPathString endsWith:sepString) ifTrue:[
|
|
|
1164 |
^ aPathString copyFrom:1 to:(aPathString size - 1)
|
|
1
|
1165 |
].
|
|
|
1166 |
].
|
|
|
1167 |
last := 1.
|
|
|
1168 |
[true] whileTrue:[
|
|
2
|
1169 |
index := aPathString indexOf:sep
|
|
|
1170 |
startingAt:(last + 1)
|
|
|
1171 |
ifAbsent:[0].
|
|
|
1172 |
index == 0 ifTrue:[
|
|
|
1173 |
(last == 1) ifTrue:[^ sepString].
|
|
|
1174 |
^ aPathString copyFrom:1 to:(last - 1)
|
|
|
1175 |
].
|
|
|
1176 |
last := index.
|
|
1
|
1177 |
]
|
|
|
1178 |
|
|
|
1179 |
"OperatingSystem directoryNameOf:'/fee/foo/bar'"
|
|
|
1180 |
"OperatingSystem directoryNameOf:'foo/bar'"
|
|
|
1181 |
"OperatingSystem directoryNameOf:'../../foo/bar'"
|
|
|
1182 |
!
|
|
|
1183 |
|
|
|
1184 |
isValidPath:aPathName
|
|
|
1185 |
"return true, if 'aPathName' is a valid path name
|
|
|
1186 |
(i.e. the file or directory exists)"
|
|
|
1187 |
|
|
|
1188 |
%{ /* NOCONTEXT */
|
|
|
1189 |
|
|
|
1190 |
struct stat buf;
|
|
|
1191 |
|
|
|
1192 |
if (_isString(aPathName)) {
|
|
|
1193 |
RETURN ( (stat((char *) _stringVal(aPathName), &buf) < 0) ? false : true );
|
|
|
1194 |
}
|
|
|
1195 |
%}
|
|
|
1196 |
.
|
|
|
1197 |
self primitiveFailed
|
|
|
1198 |
!
|
|
|
1199 |
|
|
|
1200 |
isDirectory:aPathName
|
|
|
1201 |
"return true, if 'aPathName' is a valid directory path name.
|
|
|
1202 |
(i.e. exists and is a directory)"
|
|
|
1203 |
|
|
|
1204 |
%{ /* NOCONTEXT */
|
|
|
1205 |
|
|
|
1206 |
struct stat buf;
|
|
|
1207 |
|
|
|
1208 |
if (_isString(aPathName)) {
|
|
|
1209 |
if ((stat((char *) _stringVal(aPathName), &buf) < 0)
|
|
|
1210 |
|| ((buf.st_mode & S_IFMT) != S_IFDIR)) {
|
|
|
1211 |
RETURN ( false );
|
|
|
1212 |
}
|
|
|
1213 |
RETURN ( true );
|
|
|
1214 |
}
|
|
|
1215 |
%}
|
|
|
1216 |
.
|
|
|
1217 |
self primitiveFailed
|
|
|
1218 |
!
|
|
|
1219 |
|
|
|
1220 |
isReadable:aPathName
|
|
|
1221 |
"return true, if the file/dir 'aPathName' is readable."
|
|
|
1222 |
|
|
|
1223 |
%{ /* NOCONTEXT */
|
|
|
1224 |
|
|
|
1225 |
extern OBJ ErrorNumber;
|
|
|
1226 |
|
|
|
1227 |
if (_isString(aPathName)) {
|
|
|
1228 |
if (access(_stringVal(aPathName), R_OK) == 0) {
|
|
|
1229 |
RETURN ( true );
|
|
|
1230 |
}
|
|
|
1231 |
ErrorNumber = _MKSMALLINT(errno);
|
|
|
1232 |
RETURN ( false );
|
|
|
1233 |
}
|
|
|
1234 |
%}
|
|
|
1235 |
.
|
|
|
1236 |
self primitiveFailed
|
|
|
1237 |
!
|
|
|
1238 |
|
|
|
1239 |
isWritable:aPathName
|
|
|
1240 |
"return true, if the given file is writable"
|
|
|
1241 |
|
|
|
1242 |
%{ /* NOCONTEXT */
|
|
|
1243 |
|
|
|
1244 |
extern OBJ ErrorNumber;
|
|
|
1245 |
|
|
|
1246 |
if (_isString(aPathName)) {
|
|
|
1247 |
if (access(_stringVal(aPathName), W_OK) == 0) {
|
|
|
1248 |
RETURN ( true );
|
|
|
1249 |
}
|
|
|
1250 |
ErrorNumber = _MKSMALLINT(errno);
|
|
|
1251 |
RETURN ( false );
|
|
|
1252 |
}
|
|
|
1253 |
%}
|
|
|
1254 |
.
|
|
|
1255 |
self primitiveFailed
|
|
|
1256 |
!
|
|
|
1257 |
|
|
|
1258 |
isExecutable:aPathName
|
|
|
1259 |
"return true, if the given file is executable"
|
|
|
1260 |
|
|
|
1261 |
%{ /* NOCONTEXT */
|
|
|
1262 |
|
|
|
1263 |
extern OBJ ErrorNumber;
|
|
|
1264 |
|
|
|
1265 |
if (_isString(aPathName)) {
|
|
|
1266 |
if (access(_stringVal(aPathName), X_OK) == 0) {
|
|
|
1267 |
RETURN ( true );
|
|
|
1268 |
}
|
|
|
1269 |
ErrorNumber = _MKSMALLINT(errno);
|
|
|
1270 |
RETURN ( false );
|
|
|
1271 |
}
|
|
|
1272 |
%}
|
|
|
1273 |
.
|
|
|
1274 |
self primitiveFailed
|
|
|
1275 |
!
|
|
|
1276 |
|
|
|
1277 |
infoOf:aPathName
|
|
|
1278 |
"return an dictionary filled with info for the file 'aPathName';
|
|
|
1279 |
info is: (type->t mode->n uid->u gid->g size->s id->ino).
|
|
|
1280 |
return nil if such a file does not exist. A dictionary is returned,
|
|
|
1281 |
since we might need to add more info in the future without affecting
|
|
|
1282 |
existing applications."
|
|
|
1283 |
|
|
2
|
1284 |
|info type mode uid gid size id atimeLow atimeHi mtimeLow mtimeHi|
|
|
1
|
1285 |
|
|
|
1286 |
"{ Symbol: directory }"
|
|
|
1287 |
"{ Symbol: regular }"
|
|
|
1288 |
"{ Symbol: characterSpecial }"
|
|
|
1289 |
"{ Symbol: blockSpecial }"
|
|
|
1290 |
"{ Symbol: fifo }"
|
|
|
1291 |
"{ Symbol: socket }"
|
|
|
1292 |
"{ Symbol: symbolicLink }"
|
|
|
1293 |
"{ Symbol: unknown }"
|
|
|
1294 |
|
|
|
1295 |
%{
|
|
|
1296 |
struct stat buf;
|
|
|
1297 |
|
|
|
1298 |
if (_isString(aPathName)) {
|
|
|
1299 |
if (stat((char *) _stringVal(aPathName), &buf) < 0) {
|
|
|
1300 |
RETURN ( nil );
|
|
|
1301 |
}
|
|
|
1302 |
switch (buf.st_mode & S_IFMT) {
|
|
|
1303 |
case S_IFDIR:
|
|
|
1304 |
type = _directory;
|
|
|
1305 |
break;
|
|
|
1306 |
case S_IFCHR:
|
|
|
1307 |
type = _characterSpecial;
|
|
|
1308 |
break;
|
|
|
1309 |
case S_IFBLK:
|
|
|
1310 |
type = _blockSpecial;
|
|
|
1311 |
break;
|
|
|
1312 |
case S_IFREG:
|
|
|
1313 |
type = _regular;
|
|
|
1314 |
break;
|
|
|
1315 |
#ifdef S_IFLNK
|
|
|
1316 |
case S_IFLNK:
|
|
|
1317 |
type = _symbolicLink;
|
|
|
1318 |
break;
|
|
|
1319 |
#endif
|
|
|
1320 |
#ifdef S_IFSOCK
|
|
|
1321 |
case S_IFSOCK:
|
|
|
1322 |
type = _socket;
|
|
|
1323 |
break;
|
|
|
1324 |
#endif
|
|
|
1325 |
#ifdef S_IFIFO
|
|
|
1326 |
case S_IFIFO:
|
|
|
1327 |
type = _fifo;
|
|
|
1328 |
break;
|
|
|
1329 |
#endif
|
|
|
1330 |
default:
|
|
|
1331 |
type = _unknown;
|
|
|
1332 |
break;
|
|
|
1333 |
}
|
|
|
1334 |
mode = _MKSMALLINT(buf.st_mode & 0777);
|
|
|
1335 |
uid = _MKSMALLINT(buf.st_uid);
|
|
|
1336 |
gid = _MKSMALLINT(buf.st_gid);
|
|
|
1337 |
size = _MKSMALLINT(buf.st_size);
|
|
|
1338 |
id = _MKSMALLINT(buf.st_ino);
|
|
2
|
1339 |
atimeLow = _MKSMALLINT(buf.st_atime & 0xFFFF);
|
|
|
1340 |
atimeHi = _MKSMALLINT((buf.st_atime >> 16) & 0xFFFF);
|
|
|
1341 |
mtimeLow = _MKSMALLINT(buf.st_mtime & 0xFFFF);
|
|
|
1342 |
mtimeHi = _MKSMALLINT((buf.st_mtime >> 16) & 0xFFFF);
|
|
1
|
1343 |
}
|
|
|
1344 |
%}
|
|
|
1345 |
.
|
|
|
1346 |
mode notNil ifTrue:[
|
|
|
1347 |
info := IdentityDictionary new.
|
|
|
1348 |
info at:#type put:type.
|
|
|
1349 |
info at:#mode put:mode.
|
|
|
1350 |
info at:#uid put:uid.
|
|
|
1351 |
info at:#gid put:gid.
|
|
|
1352 |
info at:#size put:size.
|
|
|
1353 |
info at:#id put:id.
|
|
2
|
1354 |
info at:#accessTime put:(Time fromUnixTimeLow:atimeLow and:atimeHi).
|
|
|
1355 |
info at:#modificationTime put:(Time fromUnixTimeLow:mtimeLow and:mtimeHi).
|
|
1
|
1356 |
^ info
|
|
|
1357 |
].
|
|
|
1358 |
self primitiveFailed
|
|
|
1359 |
|
|
|
1360 |
"OperatingSystem infoOf:'/'"
|
|
|
1361 |
"(OperatingSystem infoOf:'/') at:#uid"
|
|
|
1362 |
!
|
|
|
1363 |
|
|
|
1364 |
accessModeOf:aPathName
|
|
|
1365 |
"return a number representing access rights rwxrwxrwx for owner,
|
|
|
1366 |
group and others. return nil if such a file does not exist."
|
|
|
1367 |
|
|
|
1368 |
"
|
|
|
1369 |
this could have been implemented as:
|
|
|
1370 |
(self infoOf:aPathName) at:#mode
|
|
|
1371 |
but for huge directory searches the code below is faster
|
|
|
1372 |
"
|
|
|
1373 |
|
|
|
1374 |
%{ /* NOCONTEXT */
|
|
|
1375 |
|
|
|
1376 |
struct stat buf;
|
|
|
1377 |
|
|
|
1378 |
if (_isString(aPathName)) {
|
|
|
1379 |
if (stat((char *) _stringVal(aPathName), &buf) < 0) {
|
|
|
1380 |
RETURN ( nil );
|
|
|
1381 |
}
|
|
|
1382 |
RETURN ( _MKSMALLINT(buf.st_mode & 0777) );
|
|
|
1383 |
}
|
|
|
1384 |
%}
|
|
|
1385 |
.
|
|
|
1386 |
self primitiveFailed
|
|
|
1387 |
|
|
|
1388 |
"(OperatingSystem accessModeOf:'/') printStringRadix:8"
|
|
|
1389 |
!
|
|
|
1390 |
|
|
|
1391 |
changeAccessModeOf:aPathName to:modeBits
|
|
|
1392 |
"change the access rights rwxrwxrwx for owner,
|
|
|
1393 |
group and others of aPathName. return true if changed, false
|
|
|
1394 |
if such a file does not exist or change was not allowd."
|
|
|
1395 |
|
|
|
1396 |
%{ /* NOCONTEXT */
|
|
|
1397 |
|
|
|
1398 |
if (_isString(aPathName) && _isSmallInteger(modeBits)) {
|
|
|
1399 |
RETURN ( (chmod((char *) _stringVal(aPathName), _intVal(modeBits) ) < 0) ?
|
|
|
1400 |
false : true );
|
|
|
1401 |
}
|
|
|
1402 |
%}
|
|
|
1403 |
.
|
|
|
1404 |
self primitiveFailed
|
|
|
1405 |
!
|
|
|
1406 |
|
|
|
1407 |
timeOfLastChange:aPathName
|
|
2
|
1408 |
"return the time, when the file was last changed"
|
|
1
|
1409 |
|
|
|
1410 |
|timeLow timeHi|
|
|
|
1411 |
%{
|
|
|
1412 |
struct stat buf;
|
|
|
1413 |
time_t mtime;
|
|
|
1414 |
|
|
|
1415 |
if (_isString(aPathName)) {
|
|
|
1416 |
if (stat((char *) _stringVal(aPathName), &buf) >= 0) {
|
|
|
1417 |
timeLow = _MKSMALLINT(buf.st_mtime & 0xFFFF);
|
|
|
1418 |
timeHi = _MKSMALLINT((buf.st_mtime >> 16) & 0xFFFF);
|
|
|
1419 |
}
|
|
|
1420 |
}
|
|
|
1421 |
%}
|
|
|
1422 |
.
|
|
|
1423 |
timeLow notNil ifTrue:[^ Time fromUnixTimeLow:timeLow and:timeHi].
|
|
|
1424 |
self primitiveFailed
|
|
|
1425 |
|
|
|
1426 |
"OperatingSystem timeOfLastChange:'/'"
|
|
|
1427 |
!
|
|
|
1428 |
|
|
2
|
1429 |
timeOfLastAccess:aPathName
|
|
|
1430 |
"return the time, when the file was last accessed"
|
|
|
1431 |
|
|
|
1432 |
|timeLow timeHi|
|
|
|
1433 |
%{
|
|
|
1434 |
struct stat buf;
|
|
|
1435 |
time_t mtime;
|
|
|
1436 |
|
|
|
1437 |
if (_isString(aPathName)) {
|
|
|
1438 |
if (stat((char *) _stringVal(aPathName), &buf) >= 0) {
|
|
|
1439 |
timeLow = _MKSMALLINT(buf.st_atime & 0xFFFF);
|
|
|
1440 |
timeHi = _MKSMALLINT((buf.st_atime >> 16) & 0xFFFF);
|
|
|
1441 |
}
|
|
|
1442 |
}
|
|
|
1443 |
%}
|
|
|
1444 |
.
|
|
|
1445 |
timeLow notNil ifTrue:[^ Time fromUnixTimeLow:timeLow and:timeHi].
|
|
|
1446 |
self primitiveFailed
|
|
|
1447 |
|
|
|
1448 |
"OperatingSystem timeOfLastAccess:'/'"
|
|
|
1449 |
!
|
|
|
1450 |
|
|
1
|
1451 |
idOf:aPathName
|
|
|
1452 |
"return the fileNumber (i.e. inode number) of a file"
|
|
|
1453 |
|
|
|
1454 |
"
|
|
|
1455 |
this could have been implemented as:
|
|
|
1456 |
(self infoOf:aPathName) at:#id
|
|
|
1457 |
but for huge directory searches the code below is faster
|
|
|
1458 |
"
|
|
|
1459 |
|
|
|
1460 |
%{ /* NOCONTEXT */
|
|
|
1461 |
|
|
|
1462 |
struct stat buf;
|
|
|
1463 |
|
|
|
1464 |
if (_isString(aPathName)) {
|
|
|
1465 |
if (stat((char *) _stringVal(aPathName), &buf) >= 0) {
|
|
|
1466 |
RETURN (_MKSMALLINT(buf.st_ino));
|
|
|
1467 |
}
|
|
|
1468 |
}
|
|
|
1469 |
%}
|
|
|
1470 |
.
|
|
|
1471 |
self primitiveFailed
|
|
|
1472 |
|
|
|
1473 |
"OperatingSystem idOf:'/'"
|
|
|
1474 |
!
|
|
|
1475 |
|
|
|
1476 |
typeOf:aPathName
|
|
|
1477 |
"return the type of a file as a symbol"
|
|
|
1478 |
|
|
|
1479 |
"
|
|
|
1480 |
this could have been implemented as:
|
|
|
1481 |
(self infoOf:aPathName) at:#type
|
|
|
1482 |
but for huge directory searches the code below is faster
|
|
|
1483 |
"
|
|
|
1484 |
|
|
|
1485 |
%{ /* NOCONTEXT */
|
|
|
1486 |
|
|
|
1487 |
struct stat buf;
|
|
|
1488 |
|
|
|
1489 |
if (_isString(aPathName)) {
|
|
|
1490 |
if (stat((char *) _stringVal(aPathName), &buf) < 0) {
|
|
|
1491 |
RETURN ( nil );
|
|
|
1492 |
}
|
|
|
1493 |
switch (buf.st_mode & S_IFMT) {
|
|
|
1494 |
case S_IFDIR:
|
|
|
1495 |
RETURN ( _directory );
|
|
|
1496 |
case S_IFCHR:
|
|
|
1497 |
RETURN ( _characterSpecial );
|
|
|
1498 |
case S_IFBLK:
|
|
|
1499 |
RETURN ( _blockSpecial );
|
|
|
1500 |
case S_IFREG:
|
|
|
1501 |
RETURN ( _regular );
|
|
|
1502 |
#ifdef S_IFLNK
|
|
|
1503 |
case S_IFLNK:
|
|
|
1504 |
RETURN ( _symbolicLink );
|
|
|
1505 |
#endif
|
|
|
1506 |
#ifdef S_IFSOCK
|
|
|
1507 |
case S_IFSOCK:
|
|
|
1508 |
RETURN ( _socket );
|
|
|
1509 |
#endif
|
|
|
1510 |
#ifdef S_IFIFO
|
|
|
1511 |
case S_IFIFO:
|
|
|
1512 |
RETURN ( _fifo );
|
|
|
1513 |
#endif
|
|
|
1514 |
default:
|
|
|
1515 |
RETURN ( _unknown );
|
|
|
1516 |
}
|
|
|
1517 |
}
|
|
|
1518 |
%}
|
|
|
1519 |
.
|
|
|
1520 |
self primitiveFailed
|
|
|
1521 |
|
|
|
1522 |
"OperatingSystem typeOf:'/'"
|
|
|
1523 |
!
|
|
|
1524 |
|
|
|
1525 |
createDirectory:newPathName
|
|
|
1526 |
"create a new directory with name 'newPathName'.
|
|
|
1527 |
Return true if successful, false if failed."
|
|
|
1528 |
|
|
|
1529 |
"since createDirectory is not used too often,
|
|
|
1530 |
you'll forgive me using mkdir ..."
|
|
|
1531 |
|
|
|
1532 |
^ self executeCommand:('mkdir ' , newPathName)
|
|
|
1533 |
|
|
|
1534 |
"OperatingSystem createDirectory:'foo'"
|
|
|
1535 |
!
|
|
|
1536 |
|
|
|
1537 |
recursiveCreateDirectory:dirName
|
|
|
1538 |
"create a directory - with all parent dirs if needed.
|
|
|
1539 |
Return true if successful, false otherwise. If false
|
|
|
1540 |
is returned, a partial created tree may be left,
|
|
|
1541 |
which is not cleaned-up here."
|
|
|
1542 |
|
|
|
1543 |
self createDirectory:dirName.
|
|
|
1544 |
(self isDirectory:dirName) ifFalse:[
|
|
|
1545 |
(self recursiveCreateDirectory:(self directoryNameOf:dirName)) ifFalse:[^ false].
|
|
|
1546 |
^ self createDirectory:dirName
|
|
|
1547 |
].
|
|
|
1548 |
^ (self isDirectory:dirName)
|
|
|
1549 |
|
|
|
1550 |
"OperatingSystem recursiveCreateDirectory:'foo/bar/baz'"
|
|
|
1551 |
!
|
|
|
1552 |
|
|
|
1553 |
removeFile:fullPathName
|
|
|
1554 |
"remove the file named 'fullPathName'; return true if successful"
|
|
|
1555 |
|
|
|
1556 |
%{ /* NOCONTEXT */
|
|
|
1557 |
|
|
|
1558 |
if (_isString(fullPathName)) {
|
|
|
1559 |
RETURN ( (unlink((char *) _stringVal(fullPathName)) >= 0) ? true : false );
|
|
|
1560 |
}
|
|
|
1561 |
%}
|
|
|
1562 |
.
|
|
|
1563 |
self primitiveFailed
|
|
|
1564 |
!
|
|
|
1565 |
|
|
|
1566 |
removeDirectory:fullPathName
|
|
|
1567 |
"remove the directory named 'fullPathName'.
|
|
|
1568 |
Return true if successful, false if directory is not empty or no permission"
|
|
|
1569 |
|
|
|
1570 |
%{ /* NOCONTEXT */
|
|
|
1571 |
|
|
|
1572 |
if (_isString(fullPathName)) {
|
|
|
1573 |
RETURN ( (rmdir((char *) _stringVal(fullPathName)) >= 0) ? true : false );
|
|
|
1574 |
}
|
|
|
1575 |
%}
|
|
|
1576 |
.
|
|
|
1577 |
self primitiveFailed
|
|
|
1578 |
!
|
|
|
1579 |
|
|
|
1580 |
link:oldPath to:newPath
|
|
|
1581 |
"link the file 'oldPath' to 'newPath'. The link will be a hard link.
|
|
|
1582 |
Return true if successful, false if not."
|
|
|
1583 |
|
|
|
1584 |
%{ /* NOCONTEXT */
|
|
|
1585 |
|
|
|
1586 |
if (_isString(oldPath) && _isString(newPath)) {
|
|
|
1587 |
RETURN ( (link((char *) _stringVal(oldPath), (char *) _stringVal(newPath)) >= 0) ?
|
|
|
1588 |
true : false );
|
|
|
1589 |
}
|
|
|
1590 |
%}
|
|
|
1591 |
.
|
|
|
1592 |
self primitiveFailed
|
|
|
1593 |
|
|
|
1594 |
"OperatingSystem link:'foo' to:'bar'"
|
|
|
1595 |
!
|
|
|
1596 |
|
|
|
1597 |
rename:oldPath to:newPath
|
|
|
1598 |
"rename the file 'oldPath' to 'newPath'.
|
|
|
1599 |
Return true if sucessfull, false if not"
|
|
|
1600 |
|
|
|
1601 |
%{ /* NOCONTEXT */
|
|
|
1602 |
|
|
|
1603 |
if (_isString(oldPath) && _isString(newPath)) {
|
|
|
1604 |
#if defined(BSD)
|
|
|
1605 |
if (rename((char *) _stringVal(oldPath), (char *) _stringVal(newPath)) >= 0) {
|
|
|
1606 |
RETURN ( true );
|
|
|
1607 |
}
|
|
|
1608 |
#else
|
|
|
1609 |
if (link((char *) _stringVal(oldPath), (char *) _stringVal(newPath)) >= 0) {
|
|
|
1610 |
if (unlink((char *) _stringVal(oldPath)) >= 0) {
|
|
|
1611 |
RETURN ( true );
|
|
|
1612 |
}
|
|
|
1613 |
unlink((char *) _stringVal(newPath));
|
|
|
1614 |
}
|
|
|
1615 |
#endif
|
|
|
1616 |
RETURN ( false );
|
|
|
1617 |
}
|
|
|
1618 |
%}
|
|
|
1619 |
.
|
|
|
1620 |
self primitiveFailed
|
|
|
1621 |
|
|
|
1622 |
"OperatingSystem rename:'foo' to:'bar'"
|
|
|
1623 |
! !
|