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- /* Copyright (C) 1991 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If
- not, write to the Free Software Foundation, Inc., 675 Mass Ave,
- Cambridge, MA 02139, USA. */
-
- #include <ansidecl.h>
- #include <errno.h>
- #include <sys/wait.h>
- #include <sys/types.h>
-
-
- /* 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
- DEFUN(__waitpid, (pid, stat_loc, options),
- pid_t pid AND int *stat_loc AND int options)
- {
- if ((options & ~(WNOHANG|WUNTRACED)) != 0)
- {
- errno = EINVAL;
- return (pid_t) -1;
- }
-
- errno = ENOSYS;
- return (pid_t) -1;
- }
-
-
-
- #ifdef HAVE_GNU_LD
-
- #include <gnu-stabs.h>
-
- stub_warning(__waitpid);
-
- #endif /* GNU stabs. */
-