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authorRoland McGrath <roland@gnu.org>2006-07-31 05:58:51 +0000
committerRoland McGrath <roland@gnu.org>2006-07-31 05:58:51 +0000
commitb894c2ea7e9dbf9d777555a2e1a917f5abcbb550 (patch)
tree2329d7803837f09fe25bd3471fa38dc86568598c /sysdeps/posix
parentb32e6700d0a114c0132bd94cc1b49332a364dc8c (diff)
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* sysdeps/unix/sysv/linux/ia64/sigsuspend.c: File removed.cvs/fedora-glibc-20060731T0706
* sysdeps/unix/sysv/linux/x86_64/sigsuspend.c: File removed. * sysdeps/unix/sysv/linux/s390/s390-64/sigsuspend.c: File removed. * sysdeps/unix/sysv/linux/sparc/sparc64/sigsuspend.c: File removed. * sysdeps/unix/sysv/linux/not-cancel.h (pause_not_cancel): New macro. (nanosleep_not_cancel): New macro. (sigsuspend_not_cancel): new macro. * sysdeps/unix/sysv/linux/sigsuspend.c [__ASSUME_REALTIME_SIGNALS] (do_sigsuspend): Define as inline. (__sigsuspend): Always use do_sigsuspend. [! NO_CANCELLATION] (__sigsuspend_nocancel): New function. * include/signal.h: Declare __sigsuspend_nocancel. * sysdeps/posix/pause.c [! NO_CANCELLATION] (__pause_nocancel): New function. * include/unistd.h (__pause_nocancel): Add attribute_hidden. * include/time.h (__nanosleep_nocancel): Likewise.
Diffstat (limited to 'sysdeps/posix')
-rw-r--r--sysdeps/posix/pause.c18
1 files changed, 17 insertions, 1 deletions
diff --git a/sysdeps/posix/pause.c b/sysdeps/posix/pause.c
index 8639e68..538c186 100644
--- a/sysdeps/posix/pause.c
+++ b/sysdeps/posix/pause.c
@@ -1,5 +1,5 @@
/* pause -- suspend the process until a signal arrives. POSIX.1 version.
- Copyright (C) 2003 Free Software Foundation, Inc.
+ Copyright (C) 2003, 2006 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
@@ -23,6 +23,7 @@
/* Suspend the process until a signal arrives.
This always returns -1 and sets errno to EINTR. */
+
int
__libc_pause (void)
{
@@ -39,3 +40,18 @@ __libc_pause (void)
weak_alias (__libc_pause, pause)
LIBC_CANCEL_HANDLED (); /* sigsuspend handles our cancellation. */
+
+#ifndef NO_CANCELLATION
+# include <not-cancel.h>
+
+int
+__pause_nocancel (void)
+{
+ sigset_t set;
+
+ __sigemptyset (&set);
+ __sigprocmask (SIG_BLOCK, NULL, &set);
+
+ return sigsuspend_not_cancel (&set);
+}
+#endif