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Diffstat (limited to 'sysdeps/unix/sysv/sysv4/waitpid.c')
-rw-r--r--sysdeps/unix/sysv/sysv4/waitpid.c120
1 files changed, 0 insertions, 120 deletions
diff --git a/sysdeps/unix/sysv/sysv4/waitpid.c b/sysdeps/unix/sysv/sysv4/waitpid.c
deleted file mode 100644
index 23f9ceb029..0000000000
--- a/sysdeps/unix/sysv/sysv4/waitpid.c
+++ /dev/null
@@ -1,120 +0,0 @@
-/* Copyright (C) 1993,94,95,96,97,2002,2004 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Brendan Kehoe (brendan@zen.org).
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
-
-#include <errno.h>
-#include <sys/wait.h>
-#include <sys/types.h>
-#include <stddef.h>
-#include "siginfo.h"
-
-typedef enum __idtype
- {
- /* Look for processes based upon a given PID. */
- P_PID,
-
- /* Look for processes based upon a given process-group ID. */
- P_PGID = 2,
-
- /* Look for any process. */
- P_ALL = 7,
- } __idtype_t;
-
-extern __pid_t __getpgid (__pid_t pid);
-extern int __waitid (__idtype_t idtype, __pid_t id,
- __siginfo_t *infop, int options);
-
-/* Wait for a child matching PID to die.
- If PID is greater than 0, match any process whose process ID is PID.
- If PID is (pid_t) -1, match any process.
- If PID is (pid_t) 0, match any process with the
- same process group as the current process.
- If PID is less than -1, match any process whose
- process group is the absolute value of PID.
- If the WNOHANG bit is set in OPTIONS, and that child
- is not already dead, return (pid_t) 0. If successful,
- return PID and store the dead child's status in STAT_LOC.
- Return (pid_t) -1 for errors. If the WUNTRACED bit is set in OPTIONS,
- return status for stopped children; otherwise don't. */
-
-__pid_t
-__libc_waitpid (__pid_t pid, int *stat_loc, int options)
-{
- __idtype_t idtype;
- __pid_t tmp_pid = pid;
- __siginfo_t infop;
-
- if (pid <= WAIT_MYPGRP)
- {
- if (pid == WAIT_ANY)
- {
- /* Request the status for any child. */
- idtype = P_ALL;
- }
- else if (pid == WAIT_MYPGRP)
- {
- /* Request the status for any child process that has
- a pgid that's equal to that of our parent. */
- tmp_pid = __getpgid (0);
- idtype = P_PGID;
- }
- else /* PID < -1 */
- {
- /* Request the status for any child whose pgid is equal
- to the absolute value of PID. */
- tmp_pid = pid & ~0; /* XXX not pseudo-insn */
- idtype = P_PGID;
- }
- }
- else
- {
- /* Request the status for the child whose pid is PID. */
- idtype = P_PID;
- }
-
- if (__waitid (idtype, tmp_pid, &infop, options | WEXITED | WTRAPPED) < 0)
- return -1;
-
- switch (infop.__code)
- {
- case EXITED:
- *stat_loc = W_EXITCODE (infop.__status, 0);
- break;
- case STOPPED:
- case TRAPPED:
- *stat_loc = W_STOPCODE (infop.__status);
- break;
- case KILLED:
- /* Don't know what to do with continue, since it isn't documented.
- Putting it here seemed the right place though. */
- case CONTINUED:
- *stat_loc = infop.__status;
- /* FALLTHROUGH */
- case CORED:
- *stat_loc |= WCOREFLAG;
- break;
- }
-
- /* Return the PID out of the INFOP structure instead of the one we were
- called with, to account for cases of being called with -1 to signify
- any PID. */
- return infop.__pid;
-}
-weak_alias (__libc_waitpid, __waitpid)
-weak_alias (__libc_waitpid, waitpid)
-libc_hidden_weak (__waitpid)