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* pexecute.c (pexecute) [__MSDOS__]: Change __GO32__ to

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__DJGPP__. Use P_WAIT instead of constant in the spawnv* call.
        Cast program to 'char *' in errmsg_arg assignment.
        (PWAIT_ERROR): Define.
	(pwait): Use PWAIT_ERROR.  Adjust DJGPP's status code to conform
        to DJGPP's WIF* macros.
This commit is contained in:
Jeff Law 2000-07-27 01:49:21 +00:00
parent 6e8008398d
commit a9f34fb652
2 changed files with 24 additions and 5 deletions
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20
libiberty/pexecute.c
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@ -157,9 +157,9 @@ pexecute (program, argv, this_pname, temp_base, errmsg_fmt, errmsg_arg, flags)
if ((flags & PEXECUTE_ONE) != PEXECUTE_ONE)
abort ();
#ifdef __GO32__
#ifdef __DJGPP__
/* ??? What are the possible return values from spawnv? */
rc = (flags & PEXECUTE_SEARCH ? spawnvp : spawnv) (1, program, argv);
rc = (flags & PEXECUTE_SEARCH ? spawnvp : spawnv) (P_WAIT, program, argv);
#else
char *scmd, *rf;
FILE *argfile;
@ -208,7 +208,7 @@ pexecute (program, argv, this_pname, temp_base, errmsg_fmt, errmsg_arg, flags)
if (rc == -1)
{
*errmsg_fmt = install_error_msg;
*errmsg_arg = program;
*errmsg_arg = (char *)program;
return -1;
}
@ -217,6 +217,13 @@ pexecute (program, argv, this_pname, temp_base, errmsg_fmt, errmsg_arg, flags)
return last_pid;
}
/* Use ECHILD if available, otherwise use EINVAL. */
#ifdef ECHILD
#define PWAIT_ERROR ECHILD
#else
#define PWAIT_ERROR EINVAL
#endif
int
pwait (pid, status, flags)
int pid;
@ -228,13 +235,16 @@ pwait (pid, status, flags)
/* Called twice for the same child? */
|| pid == last_reaped)
{
/* ??? ECHILD would be a better choice. Can we use it here? */
errno = EINVAL;
errno = PWAIT_ERROR;
return -1;
}
/* ??? Here's an opportunity to canonicalize the values in STATUS.
Needed? */
#ifdef __DJGPP__
*status = (last_status >> 8);
#else
*status = last_status;
#endif
last_reaped = last_pid;
return last_pid;
}