From b4e2aeb15d14c1b5979fb026cb66a7b4d64f2ab8 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Tue, 21 Mar 2000 01:23:10 +0000 Subject: [PATCH] AIX implementation of waitpid. --- sysdeps/unix/sysv/aix/waitpid.c | 52 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 sysdeps/unix/sysv/aix/waitpid.c diff --git a/sysdeps/unix/sysv/aix/waitpid.c b/sysdeps/unix/sysv/aix/waitpid.c new file mode 100644 index 0000000..10befc3 --- /dev/null +++ b/sysdeps/unix/sysv/aix/waitpid.c @@ -0,0 +1,52 @@ +/* Copyright (C) 1991, 1995, 1996, 1997, 2000 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., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include +#include +#include +#include + +extern pid_t kwaitpid (int *stat_loc, pid_t pid, int options, + struct rusage *ru_loc, siginfo_t *infop); + + +/* 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) +{ + if ((options & ~(WNOHANG|WUNTRACED)) != 0) + { + __set_errno (EINVAL); + return (pid_t) -1; + } + + return kwaitpid (stat_loc, pid, options, NULL, NULL); +} +weak_alias (__libc_waitpid, __waitpid) +weak_alias (__libc_waitpid, waitpid) -- 2.7.4