diff options
Diffstat (limited to 'sysdeps/posix/signal.c')
-rw-r--r-- | sysdeps/posix/signal.c | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/sysdeps/posix/signal.c b/sysdeps/posix/signal.c deleted file mode 100644 index 81ba17745d..0000000000 --- a/sysdeps/posix/signal.c +++ /dev/null @@ -1,51 +0,0 @@ -/* BSD-like signal function. - 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/>. */ - -#include <errno.h> -#include <signal.h> -#include <string.h> /* For the real memset prototype. */ -#include <sigsetops.h> - -sigset_t _sigintr attribute_hidden; /* Set by siginterrupt. */ - -/* Set the handler for the signal SIG to HANDLER, - returning the old handler, or SIG_ERR on error. */ -__sighandler_t -__bsd_signal (int sig, __sighandler_t handler) -{ - struct sigaction act, oact; - - /* Check signal extents to protect __sigismember. */ - if (handler == SIG_ERR || sig < 1 || sig >= NSIG) - { - __set_errno (EINVAL); - return SIG_ERR; - } - - act.sa_handler = handler; - __sigemptyset (&act.sa_mask); - __sigaddset (&act.sa_mask, sig); - act.sa_flags = __sigismember (&_sigintr, sig) ? 0 : SA_RESTART; - if (__sigaction (sig, &act, &oact) < 0) - return SIG_ERR; - - return oact.sa_handler; -} -weak_alias (__bsd_signal, bsd_signal) -weak_alias (__bsd_signal, signal) -weak_alias (__bsd_signal, ssignal) |