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authorPeter S. Mazinger <ps.m@gmx.net>2011-04-21 23:08:11 +0200
committerBernhard Reutner-Fischer <rep.dot.nop@gmail.com>2012-06-15 14:00:41 +0200
commit613b0fabf06d3a06c44da422ea5fef9b1d011729 (patch)
treec30c89cf5511f9df2932568205f25cff57483040 /libc
parentf74f77b155bd34f75193179d7e4ce63ace771af3 (diff)
wait.c: use cancel.h
Use __wait4_nocancel, since wait4 is not available all the time Signed-off-by: Peter S. Mazinger <ps.m@gmx.net> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Diffstat (limited to 'libc')
-rw-r--r--libc/sysdeps/linux/common/wait.c38
1 files changed, 4 insertions, 34 deletions
diff --git a/libc/sysdeps/linux/common/wait.c b/libc/sysdeps/linux/common/wait.c
index 9b529eb21..df4005839 100644
--- a/libc/sysdeps/linux/common/wait.c
+++ b/libc/sysdeps/linux/common/wait.c
@@ -4,41 +4,11 @@
*
* Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
*/
-#include <stdlib.h>
-#include <syscall.h>
-#include <sys/types.h>
#include <sys/wait.h>
-#include <sys/resource.h>
+#include <cancel.h>
-extern __typeof(wait) __libc_wait;
-/* Wait for a child to die. When one does, put its status in *STAT_LOC
- * and return its process ID. For errors, return (pid_t) -1. */
-#ifdef __UCLIBC_HAS_THREADS_NATIVE__
-#include <errno.h>
-#include <sysdep-cancel.h>
-
-pid_t attribute_hidden
-__libc_wait (__WAIT_STATUS_DEFN stat_loc)
-{
- if (SINGLE_THREAD_P)
- return INLINE_SYSCALL (wait4, 4, WAIT_ANY, stat_loc, 0,
- (struct rusage *) NULL);
-
- int oldtype = LIBC_CANCEL_ASYNC ();
-
- pid_t result = INLINE_SYSCALL (wait4, 4, WAIT_ANY, stat_loc, 0,
- (struct rusage *) NULL);
-
- LIBC_CANCEL_RESET (oldtype);
-
- return result;
-}
-#else
-/* Wait for a child to die. When one does, put its status in *STAT_LOC
- * and return its process ID. For errors, return (pid_t) -1. */
-__pid_t __libc_wait (__WAIT_STATUS_DEFN stat_loc)
+static pid_t __NC(wait)(__WAIT_STATUS_DEFN stat_loc)
{
- return wait4 (WAIT_ANY, stat_loc, 0, (struct rusage *) NULL);
+ return __wait4_nocancel(WAIT_ANY, stat_loc, 0, (struct rusage *)NULL);
}
-#endif
-weak_alias(__libc_wait,wait)
+CANCELLABLE_SYSCALL(pid_t, wait, (__WAIT_STATUS_DEFN stat_loc), (stat_loc))