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[glibc.git] / signal / signal.c
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1 /* Copyright (C) 1991-2013 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <http://www.gnu.org/licenses/>. */
18 #include <errno.h>
19 #include <signal.h>
22 /* Set the handler for the signal SIG to HANDLER,
23 returning the old handler, or SIG_ERR on error. */
24 __sighandler_t
25 signal (sig, handler)
26 int sig;
27 __sighandler_t handler;
29 __set_errno (ENOSYS);
30 return SIG_ERR;
33 weak_alias (signal, ssignal)
35 stub_warning (signal)
36 stub_warning (ssignal)