Add test for warn, warnx, vwarn, and vwarnx with floating-point parameters
[glibc.git] / signal / sysv_signal.c
blobe4416cb25e0f1024fbb7a1c9d8ea6e6ab606bb77
1 /* Copyright (C) 1991-2018 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>
21 /* Set the handler for the signal SIG to HANDLER,
22 returning the old handler, or SIG_ERR on error. */
23 __sighandler_t
24 __sysv_signal (int sig, __sighandler_t handler)
26 /* Check signal extents to protect __sigismember. */
27 if (handler == SIG_ERR || sig < 1 || sig >= NSIG)
29 __set_errno (EINVAL);
30 return SIG_ERR;
33 __set_errno (ENOSYS);
35 return SIG_ERR;
37 weak_alias (__sysv_signal, sysv_signal)
39 stub_warning (sysv_signal)