From b894c2ea7e9dbf9d777555a2e1a917f5abcbb550 Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Mon, 31 Jul 2006 05:58:51 +0000 Subject: * sysdeps/unix/sysv/linux/ia64/sigsuspend.c: File removed. * 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. --- sysdeps/posix/pause.c | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) (limited to 'sysdeps/posix/pause.c') diff --git a/sysdeps/posix/pause.c b/sysdeps/posix/pause.c index 8639e684f4..538c186ec0 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 + +int +__pause_nocancel (void) +{ + sigset_t set; + + __sigemptyset (&set); + __sigprocmask (SIG_BLOCK, NULL, &set); + + return sigsuspend_not_cancel (&set); +} +#endif -- cgit 1.4.1