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authorJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
committerJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
commit0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch)
tree2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /posix/waitpid.c
parent7d58530341304d403a6626d7f7a1913165fe2f32 (diff)
downloadglibc-0ecb606cb6cf65de1d9fc8a919bceb4be476c602.tar.gz
2.5-18.1
Diffstat (limited to 'posix/waitpid.c')
-rw-r--r--posix/waitpid.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/posix/waitpid.c b/posix/waitpid.c
new file mode 100644
index 0000000000..9c7736e669
--- /dev/null
+++ b/posix/waitpid.c
@@ -0,0 +1,53 @@
+/* Copyright (C) 1991,95,96,97,2002 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 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>
+
+
+/* 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;
+ }
+
+ __set_errno (ENOSYS);
+ return (pid_t) -1;
+}
+weak_alias (__libc_waitpid, __waitpid)
+libc_hidden_weak (__waitpid)
+weak_alias (__libc_waitpid, waitpid)
+
+stub_warning (waitpid)
+#include <stub-tag.h>