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-rwxr-xr-xlibiberty/pexecute.c301
1 files changed, 1 insertions, 300 deletions
diff --git a/libiberty/pexecute.c b/libiberty/pexecute.c
index 0ead566..159b29f 100755
--- a/libiberty/pexecute.c
+++ b/libiberty/pexecute.c
@@ -45,10 +45,6 @@ Boston, MA 02111-1307, USA. */
#ifdef HAVE_VFORK_H
#include <vfork.h>
#endif
-#ifdef VMS
-#define vfork() (decc$$alloc_vfork_blocks() >= 0 ? \
- lib$get_current_invo_context(decc$$get_vfork_jmpbuf()) : -1)
-#endif /* VMS */
#include "libiberty.h"
@@ -116,119 +112,6 @@ static char *install_error_msg = "installation problem, cannot exec `%s'";
runs the requested programs.
*/
-#ifdef __MSDOS__
-
-/* MSDOS doesn't multitask, but for the sake of a consistent interface
- the code behaves like it does. pexecute runs the program, tucks the
- exit code away, and returns a "pid". pwait must be called to fetch the
- exit code. */
-
-#include <process.h>
-
-/* For communicating information from pexecute to pwait. */
-static int last_pid = 0;
-static int last_status = 0;
-static int last_reaped = 0;
-
-int
-pexecute (program, argv, this_pname, temp_base, errmsg_fmt, errmsg_arg, flags)
- const char *program;
- char * const *argv;
- const char *this_pname;
- const char *temp_base;
- char **errmsg_fmt, **errmsg_arg;
- int flags;
-{
- int rc;
-
- last_pid++;
- if (last_pid < 0)
- last_pid = 1;
-
- if ((flags & PEXECUTE_ONE) != PEXECUTE_ONE)
- abort ();
-
-#ifdef __GO32__
- /* ??? What are the possible return values from spawnv? */
- rc = (flags & PEXECUTE_SEARCH ? spawnvp : spawnv) (1, program, argv);
-#else
- char *scmd, *rf;
- FILE *argfile;
- int i, el = flags & PEXECUTE_SEARCH ? 4 : 0;
-
- scmd = (char *) xmalloc (strlen (program) + strlen (temp_base) + 6 + el);
- rf = scmd + strlen(program) + 2 + el;
- sprintf (scmd, "%s%s @%s.gp", program,
- (flags & PEXECUTE_SEARCH ? ".exe" : ""), temp_base);
- argfile = fopen (rf, "w");
- if (argfile == 0)
- {
- int errno_save = errno;
- free (scmd);
- errno = errno_save;
- *errmsg_fmt = "cannot open `%s.gp'";
- *errmsg_arg = temp_base;
- return -1;
- }
-
- for (i=1; argv[i]; i++)
- {
- char *cp;
- for (cp = argv[i]; *cp; cp++)
- {
- if (*cp == '"' || *cp == '\'' || *cp == '\\' || ISSPACE (*cp))
- fputc ('\\', argfile);
- fputc (*cp, argfile);
- }
- fputc ('\n', argfile);
- }
- fclose (argfile);
-
- rc = system (scmd);
-
- {
- int errno_save = errno;
- remove (rf);
- free (scmd);
- errno = errno_save;
- }
-#endif
-
- if (rc == -1)
- {
- *errmsg_fmt = install_error_msg;
- *errmsg_arg = program;
- return -1;
- }
-
- /* Tuck the status away for pwait, and return a "pid". */
- last_status = rc << 8;
- return last_pid;
-}
-
-int
-pwait (pid, status, flags)
- int pid;
- int *status;
- int flags;
-{
- /* On MSDOS each pexecute must be followed by it's associated pwait. */
- if (pid != last_pid
- /* Called twice for the same child? */
- || pid == last_reaped)
- {
- /* ??? ECHILD would be a better choice. Can we use it here? */
- errno = EINVAL;
- return -1;
- }
- /* ??? Here's an opportunity to canonicalize the values in STATUS.
- Needed? */
- *status = last_status;
- last_reaped = last_pid;
- return last_pid;
-}
-
-#endif /* MSDOS */
#if defined (_WIN32)
@@ -421,188 +304,10 @@ pwait (pid, status, flags)
#endif /* _WIN32 */
-#ifdef OS2
-
-/* ??? Does OS2 have process.h? */
-extern int spawnv ();
-extern int spawnvp ();
-
-int
-pexecute (program, argv, this_pname, temp_base, errmsg_fmt, errmsg_arg, flags)
- const char *program;
- char * const *argv;
- const char *this_pname;
- const char *temp_base;
- char **errmsg_fmt, **errmsg_arg;
- int flags;
-{
- int pid;
-
- if ((flags & PEXECUTE_ONE) != PEXECUTE_ONE)
- abort ();
- /* ??? Presumably 1 == _P_NOWAIT. */
- pid = (flags & PEXECUTE_SEARCH ? spawnvp : spawnv) (1, program, argv);
- if (pid == -1)
- {
- *errmsg_fmt = install_error_msg;
- *errmsg_arg = program;
- return -1;
- }
- return pid;
-}
-
-int
-pwait (pid, status, flags)
- int pid;
- int *status;
- int flags;
-{
- /* ??? Here's an opportunity to canonicalize the values in STATUS.
- Needed? */
- int pid = wait (status);
- return pid;
-}
-
-#endif /* OS2 */
-#ifdef MPW
-
-/* MPW pexecute doesn't actually run anything; instead, it writes out
- script commands that, when run, will do the actual executing.
-
- For example, in GCC's case, GCC will write out several script commands:
-
- cpp ...
- cc1 ...
- as ...
- ld ...
-
- and then exit. None of the above programs will have run yet. The task
- that called GCC will then execute the script and cause cpp,etc. to run.
- The caller must invoke pfinish before calling exit. This adds
- the finishing touches to the generated script. */
-
-static int first_time = 1;
-
-int
-pexecute (program, argv, this_pname, temp_base, errmsg_fmt, errmsg_arg, flags)
- const char *program;
- char * const *argv;
- const char *this_pname;
- const char *temp_base;
- char **errmsg_fmt, **errmsg_arg;
- int flags;
-{
- char tmpprogram[255];
- char *cp, *tmpname;
- int i;
-
- mpwify_filename (program, tmpprogram);
- if (first_time)
- {
- printf ("Set Failed 0\n");
- first_time = 0;
- }
-
- fputs ("If {Failed} == 0\n", stdout);
- /* If being verbose, output a copy of the command. It should be
- accurate enough and escaped enough to be "clickable". */
- if (flags & PEXECUTE_VERBOSE)
- {
- fputs ("\tEcho ", stdout);
- fputc ('\'', stdout);
- fputs (tmpprogram, stdout);
- fputc ('\'', stdout);
- fputc (' ', stdout);
- for (i=1; argv[i]; i++)
- {
- fputc ('\'', stdout);
- /* See if we have an argument that needs fixing. */
- if (strchr(argv[i], '/'))
- {
- tmpname = (char *) xmalloc (256);
- mpwify_filename (argv[i], tmpname);
- argv[i] = tmpname;
- }
- for (cp = argv[i]; *cp; cp++)
- {
- /* Write an Option-d escape char in front of special chars. */
- if (strchr("'+", *cp))
- fputc ('\266', stdout);
- fputc (*cp, stdout);
- }
- fputc ('\'', stdout);
- fputc (' ', stdout);
- }
- fputs ("\n", stdout);
- }
- fputs ("\t", stdout);
- fputs (tmpprogram, stdout);
- fputc (' ', stdout);
-
- for (i=1; argv[i]; i++)
- {
- /* See if we have an argument that needs fixing. */
- if (strchr(argv[i], '/'))
- {
- tmpname = (char *) xmalloc (256);
- mpwify_filename (argv[i], tmpname);
- argv[i] = tmpname;
- }
- if (strchr (argv[i], ' '))
- fputc ('\'', stdout);
- for (cp = argv[i]; *cp; cp++)
- {
- /* Write an Option-d escape char in front of special chars. */
- if (strchr("'+", *cp))
- fputc ('\266', stdout);
- fputc (*cp, stdout);
- }
- if (strchr (argv[i], ' '))
- fputc ('\'', stdout);
- fputc (' ', stdout);
- }
-
- fputs ("\n", stdout);
-
- /* Output commands that arrange to clean up and exit if a failure occurs.
- We have to be careful to collect the status from the program that was
- run, rather than some other script command. Also, we don't exit
- immediately, since necessary cleanups are at the end of the script. */
- fputs ("\tSet TmpStatus {Status}\n", stdout);
- fputs ("\tIf {TmpStatus} != 0\n", stdout);
- fputs ("\t\tSet Failed {TmpStatus}\n", stdout);
- fputs ("\tEnd\n", stdout);
- fputs ("End\n", stdout);
-
- /* We're just composing a script, can't fail here. */
- return 0;
-}
-
-int
-pwait (pid, status, flags)
- int pid;
- int *status;
- int flags;
-{
- *status = 0;
- return 0;
-}
-
-/* Write out commands that will exit with the correct error code
- if something in the script failed. */
-
-void
-pfinish ()
-{
- printf ("\tExit \"{Failed}\"\n");
-}
-
-#endif /* MPW */
/* include for Unix-like environments but not for Dos-like environments */
-#if ! defined (__MSDOS__) && ! defined (OS2) && ! defined (MPW) \
- && ! defined (_WIN32)
+#if ! defined (_WIN32)
extern int execv ();
extern int execvp ();
@@ -723,11 +428,7 @@ pwait (pid, status, flags)
{
/* ??? Here's an opportunity to canonicalize the values in STATUS.
Needed? */
-#ifdef VMS
- pid = waitpid (-1, status, 0);
-#else
pid = wait (status);
-#endif
return pid;
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-06 10:11:35 +0000