sigsuspend.c: add cancellation support independently of rt_sigsuspend

[uclinux-h8/uclibc-ng.git] / libc / sysdeps / linux / common / sigsuspend.c

diff --git a/libc/sysdeps/linux/common/sigsuspend.c b/libc/sysdeps/linux/common/sigsuspend.c
index be90d7e..57a1a44 100644 (file)
--- a/libc/sysdeps/linux/common/sigsuspend.c
+++ b/libc/sysdeps/linux/common/sigsuspend.c
@@ -2,32 +2,25 @@
 /*
  * sigsuspend() for uClibc
  *
- * Copyright (C) 2000-2004 by Erik Andersen <andersen@codepoet.org>
+ * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
  *
- * GNU Library General Public License (LGPL) version 2 or later.
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
  */
 
-#include "syscalls.h"
-#include <signal.h>
-#undef sigsuspend
+#include <sys/syscall.h>
 
-#ifdef __NR_rt_sigsuspend
-#define __NR___rt_sigsuspend __NR_rt_sigsuspend
-static inline _syscall2(int, __rt_sigsuspend, const sigset_t *, mask, size_t, size);
+#ifdef __USE_POSIX
+#include <signal.h>
+#include <cancel.h>
 
-int sigsuspend(const sigset_t * mask)
+int __NC(sigsuspend)(const sigset_t *set)
 {
-       return __rt_sigsuspend(mask, _NSIG / 8);
-}
+#ifdef __NR_rt_sigsuspend
+       return INLINE_SYSCALL(rt_sigsuspend, 2, set, __SYSCALL_SIGSET_T_SIZE);
 #else
-#define __NR___syscall_sigsuspend __NR_sigsuspend
-static inline _syscall3(int, __syscall_sigsuspend, int, a, unsigned long int, b,
-                 unsigned long int, c);
-
-int sigsuspend(const sigset_t * set)
-{
-       return __syscall_sigsuspend(0, 0, set->__val[0]);
+       return INLINE_SYSCALL(sigsuspend, 3, 0, 0, set->__val[0]);
+#endif
 }
+CANCELLABLE_SYSCALL(int, sigsuspend, (const sigset_t *set), (set))
+lt_libc_hidden(sigsuspend)
 #endif
-libc_hidden_proto(sigsuspend)
-libc_hidden_def(sigsuspend)