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Merge rev 1.2 [_exit() over exit()] into GCC 2.95.1.
This commit is contained in:
David E. O'Brien
parent
edc039af11
commit
dbbf50b2c1
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=52877
@ -23,23 +23,36 @@ Boston, MA 02111-1307, USA. */
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/* This file lives in at least two places: libiberty and gcc.
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Don't change one without the other. */
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#ifdef IN_GCC
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/* $FreeBSD$ */
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "system.h"
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#ifdef IN_GCC
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#include "gansidecl.h"
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/* ??? Need to find a suitable header file. */
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#define PEXECUTE_FIRST 1
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#define PEXECUTE_LAST 2
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#define PEXECUTE_ONE (PEXECUTE_FIRST + PEXECUTE_LAST)
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#define PEXECUTE_SEARCH 4
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#define PEXECUTE_VERBOSE 8
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#else
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#include "libiberty.h"
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#include <stdio.h>
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#include <errno.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#define ISSPACE (x) isspace(x)
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#ifdef HAVE_SYS_WAIT_H
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#include <sys/wait.h>
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#endif
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#ifdef vfork /* Autoconf may define this to fork for us. */
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# define VFORK_STRING "fork"
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#else
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# define VFORK_STRING "vfork"
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#endif
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#ifdef HAVE_VFORK_H
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#include <vfork.h>
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#endif
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#ifdef VMS
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#define vfork() (decc$$alloc_vfork_blocks() >= 0 ? \
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lib$get_current_invo_context(decc$$get_vfork_jmpbuf()) : -1)
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#endif /* VMS */
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#include "libiberty.h"
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/* stdin file number. */
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#define STDIN_FILE_NO 0
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@ -219,53 +232,18 @@ pwait (pid, status, flags)
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#endif /* MSDOS */
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#if defined (_WIN32)
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#if defined (_WIN32) && ! defined (_UWIN)
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#include <process.h>
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#ifdef __CYGWIN32__
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#ifdef __CYGWIN__
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#define fix_argv(argvec) (argvec)
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extern int _spawnv ();
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extern int _spawnvp ();
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int
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pexecute (program, argv, this_pname, temp_base, errmsg_fmt, errmsg_arg, flags)
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const char *program;
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char * const *argv;
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const char *this_pname;
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const char *temp_base;
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char **errmsg_fmt, **errmsg_arg;
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int flags;
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{
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int pid;
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if ((flags & PEXECUTE_ONE) != PEXECUTE_ONE)
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abort ();
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pid = (flags & PEXECUTE_SEARCH ? _spawnvp : _spawnv)
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(_P_NOWAIT, program, fix_argv(argv));
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if (pid == -1)
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{
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*errmsg_fmt = install_error_msg;
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*errmsg_arg = program;
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return -1;
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}
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return pid;
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}
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int
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pwait (pid, status, flags)
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int pid;
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int *status;
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int flags;
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{
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/* ??? Here's an opportunity to canonicalize the values in STATUS.
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Needed? */
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return cwait (status, pid, WAIT_CHILD);
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}
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#else /* ! __CYGWIN32__ */
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#else /* ! __CYGWIN__ */
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/* This is a kludge to get around the Microsoft C spawn functions' propensity
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to remove the outermost set of double quotes from all arguments. */
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@ -303,6 +281,7 @@ fix_argv (argvec)
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return (const char * const *) argvec;
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}
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#endif /* __CYGWIN__ */
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#include <io.h>
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#include <fcntl.h>
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@ -419,6 +398,9 @@ pwait (pid, status, flags)
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int *status;
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int flags;
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{
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#ifdef __CYGWIN__
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return wait (status);
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#else
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int termstat;
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pid = _cwait (&termstat, pid, WAIT_CHILD);
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@ -436,11 +418,10 @@ pwait (pid, status, flags)
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*status = (((termstat) & 0xff) << 8);
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return pid;
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#endif /* __CYGWIN__ */
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}
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#endif /* ! defined (__CYGWIN32__) */
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#endif /* _WIN32 */
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#endif /* _WIN32 && ! _UWIN */
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#ifdef OS2
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@ -623,22 +604,10 @@ pfinish ()
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/* include for Unix-like environments but not for Dos-like environments */
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#if ! defined (__MSDOS__) && ! defined (OS2) && ! defined (MPW) \
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&& ! defined (_WIN32)
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#ifdef VMS
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#define vfork() (decc$$alloc_vfork_blocks() >= 0 ? \
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lib$get_current_invo_context(decc$$get_vfork_jmpbuf()) : -1)
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#else
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#ifdef USG
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#define vfork fork
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#endif
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#endif
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&& ! (defined (_WIN32) && ! defined (_UWIN))
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extern int execv ();
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extern int execvp ();
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#ifdef IN_GCC
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extern char * my_strerror PROTO ((int));
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#endif
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int
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pexecute (program, argv, this_pname, temp_base, errmsg_fmt, errmsg_arg, flags)
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@ -700,11 +669,7 @@ pexecute (program, argv, this_pname, temp_base, errmsg_fmt, errmsg_arg, flags)
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{
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case -1:
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{
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#ifdef vfork
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*errmsg_fmt = "fork";
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#else
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*errmsg_fmt = "vfork";
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#endif
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*errmsg_fmt = VFORK_STRING;
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*errmsg_arg = NULL;
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return -1;
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}
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@ -734,11 +699,7 @@ pexecute (program, argv, this_pname, temp_base, errmsg_fmt, errmsg_arg, flags)
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/* Note: Calling fprintf and exit here doesn't seem right for vfork. */
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fprintf (stderr, "%s: ", this_pname);
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fprintf (stderr, install_error_msg, program);
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#ifdef IN_GCC
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fprintf (stderr, ": %s\n", my_strerror (errno));
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#else
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fprintf (stderr, ": %s\n", xstrerror (errno));
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#endif
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_exit (1);
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/* NOTREACHED */
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return 0;
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@ -772,4 +733,4 @@ pwait (pid, status, flags)
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return pid;
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}
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#endif /* ! __MSDOS__ && ! OS2 && ! MPW && ! _WIN32 */
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#endif /* ! __MSDOS__ && ! OS2 && ! MPW && ! (_WIN32 && ! _UWIN) */
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