diff options
Diffstat (limited to 'sysdeps/posix/sigpause.c')
-rw-r--r-- | sysdeps/posix/sigpause.c | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/sysdeps/posix/sigpause.c b/sysdeps/posix/sigpause.c deleted file mode 100644 index 9038ed368d..0000000000 --- a/sysdeps/posix/sigpause.c +++ /dev/null @@ -1,89 +0,0 @@ -/* Copyright (C) 1991-2017 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 - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#define sigpause __rename_sigpause -#include <errno.h> -#include <signal.h> -#include <stddef.h> /* For NULL. */ -#include <sysdep-cancel.h> -#undef sigpause - -#include <sigset-cvt-mask.h> - -/* Set the mask of blocked signals to MASK, - wait for a signal to arrive, and then restore the mask. */ -static int -do_sigpause (int sig_or_mask, int is_sig) -{ - sigset_t set; - - if (is_sig != 0) - { - /* The modern X/Open implementation is requested. */ - if (__sigprocmask (0, NULL, &set) < 0 - || sigdelset (&set, sig_or_mask) < 0) - return -1; - } - else if (sigset_set_old_mask (&set, sig_or_mask) < 0) - return -1; - - /* Note the sigpause() is a cancellation point. But since we call - sigsuspend() which itself is a cancellation point we do not have - to do anything here. */ - return __sigsuspend (&set); -} - -int -__sigpause (int sig_or_mask, int is_sig) -{ - if (SINGLE_THREAD_P) - return do_sigpause (sig_or_mask, is_sig); - - int oldtype = LIBC_CANCEL_ASYNC (); - - int result = do_sigpause (sig_or_mask, is_sig); - - LIBC_CANCEL_RESET (oldtype); - - return result; -} -libc_hidden_def (__sigpause) - -/* We have to provide a default version of this function since the - standards demand it. The version which is a bit more reasonable is - the BSD version. So make this the default. */ -int -__attribute__ ((weak)) -__default_sigpause (int mask) -{ - return __sigpause (mask, 0); -} -#undef sigpause -weak_alias (__default_sigpause, sigpause) -strong_alias (__default_sigpause, __libc_sigpause) - - -/* We have to provide a default version of this function since the - standards demand it. The version which is a bit more reasonable is - the BSD version. So make this the default. */ -int -__attribute__ ((weak)) -__xpg_sigpause (int sig) -{ - return __sigpause (sig, 1); -} -strong_alias (__xpg_sigpause, __libc___xpg_sigpause) |