diff options
| author | Roland McGrath <roland@gnu.org> | 2006-07-31 05:58:51 +0000 |
|---|---|---|
| committer | Roland McGrath <roland@gnu.org> | 2006-07-31 05:58:51 +0000 |
| commit | b894c2ea7e9dbf9d777555a2e1a917f5abcbb550 (patch) | |
| tree | 2329d7803837f09fe25bd3471fa38dc86568598c /sysdeps/posix/pause.c | |
| parent | b32e6700d0a114c0132bd94cc1b49332a364dc8c (diff) | |
* 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/pause.c')
| -rw-r--r-- | sysdeps/posix/pause.c | 18 |
1 files changed, 17 insertions, 1 deletions
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 <not-cancel.h> + +int +__pause_nocancel (void) +{ + sigset_t set; + + __sigemptyset (&set); + __sigprocmask (SIG_BLOCK, NULL, &set); + + return sigsuspend_not_cancel (&set); +} +#endif |