diff options
Diffstat (limited to 'sysdeps')
| -rw-r--r-- | sysdeps/posix/pause.c (renamed from sysdeps/unix/common/pause.c) | 29 |
1 files changed, 9 insertions, 20 deletions
diff --git a/sysdeps/unix/common/pause.c b/sysdeps/posix/pause.c index 14b87e44d0..db2c54f29d 100644 --- a/sysdeps/unix/common/pause.c +++ b/sysdeps/posix/pause.c @@ -1,4 +1,5 @@ -/* Copyright (C) 1991, 1996, 2002, 2003 Free Software Foundation, Inc. +/* pause -- suspend the process until a signal arrives. POSIX.1 version. + Copyright (C) 2003 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 @@ -18,32 +19,20 @@ #include <signal.h> #include <unistd.h> -#include <sysdep-cancel.h> /* Suspend the process until a signal arrives. This always returns -1 and sets errno to EINTR. */ -static void -do_pause (void) +int +__libc_pause (void) { sigset_t set; - sigemptyset (&set); + __sigemptyset (&set); + __sigprocmask (SIG_BLOCK, NULL, &set); - __sigsuspend (&set); -} + /* pause is a cancellation point, but so is sigsuspend. + So no need for anything special here. */ -int -__libc_pause (void) -{ - if (SINGLE_THREAD_P) - { - do_pause (); - return -1; - } - - int oldtype = LIBC_CANCEL_ASYNC (); - (void) do_pause (); - LIBC_CANCEL_RESET (oldtype); - return -1; + return __sigsuspend (&set); } weak_alias (__libc_pause, pause) |