diff options
| author | Peter S. Mazinger <ps.m@gmx.net> | 2011-04-21 23:08:11 +0200 |
|---|---|---|
| committer | Bernhard Reutner-Fischer <rep.dot.nop@gmail.com> | 2012-06-15 14:00:41 +0200 |
| commit | 613b0fabf06d3a06c44da422ea5fef9b1d011729 (patch) | |
| tree | c30c89cf5511f9df2932568205f25cff57483040 | |
| parent | f74f77b155bd34f75193179d7e4ce63ace771af3 (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>
| -rw-r--r-- | libc/sysdeps/linux/common/wait.c | 38 |
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)) |