[thirdparty/glibc.git] / signal / sigaction.c

/* Copyright (C) 1991-2015 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>


/* If ACT is not NULL, change the action for SIG to *ACT.
   If OACT is not NULL, put the old action for SIG in *OACT.  */
int
__sigaction (sig, act, oact)
     int sig;
     const struct sigaction *act;
     struct sigaction *oact;
{
  if (sig <= 0 || sig >= NSIG)
    {
      __set_errno (EINVAL);
      return -1;
    }

  __set_errno (ENOSYS);
  return -1;
}
libc_hidden_def (__sigaction)
stub_warning (sigaction)

weak_alias (__sigaction, sigaction)
Commit	Line	Data
	1	/* Copyright (C) 1991-2015 Free Software Foundation, Inc.
	2	This file is part of the GNU C Library.
	3
	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.
	8
	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.
	13
	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/>. */
	17
	18	#include <errno.h>
	19	#include <signal.h>
	20
	21
	22	/* If ACT is not NULL, change the action for SIG to *ACT.
	23	If OACT is not NULL, put the old action for SIG in OACT. /
	24	int
	25	__sigaction (sig, act, oact)
	26	int sig;
	27	const struct sigaction *act;
	28	struct sigaction *oact;
	29	{
	30	if (sig <= 0 \|\| sig >= NSIG)
	31	{
	32	__set_errno (EINVAL);
	33	return -1;
	34	}
	35
	36	__set_errno (ENOSYS);
	37	return -1;
	38	}
	39	libc_hidden_def (__sigaction)
	40	stub_warning (sigaction)
	41
	42	weak_alias (__sigaction, sigaction)