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Remove unused sysdeps/unix/sysv/sigaction.c.

This commit is contained in:
Joseph Myers 2012-04-20 17:01:47 +00:00
parent ff1962a397
commit 37fa3841ea
2 changed files with 2 additions and 83 deletions
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2
ChangeLog
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@ -1,5 +1,7 @@
2012-04-20 Joseph Myers <joseph@codesourcery.com> 2012-04-20 Joseph Myers <joseph@codesourcery.com>
* sysdeps/unix/sysv/sigaction.c: Remove file.
* sysdeps/unix/sysv/Makefile [termio.h not in sysdep_headers] * sysdeps/unix/sysv/Makefile [termio.h not in sysdep_headers]
(sysdep_headers): Remove variable. (sysdep_headers): Remove variable.
[termio.h not in sysdep_headers] (generated): Likewise. [termio.h not in sysdep_headers] (generated): Likewise.

83
sysdeps/unix/sysv/sigaction.c
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@ -1,83 +0,0 @@
/* Copyright (C) 1992,1994,1995,1996,1997,2002 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 <sysdep.h>
#include <errno.h>
#include <stddef.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;
{
sighandler_t handler;
int save;
if (sig <= 0 || sig >= NSIG)
{
__set_errno (EINVAL);
return -1;
}
if (act == NULL)
{
if (oact == NULL)
return 0;
/* Race condition, but this is the only way to do it. */
handler = signal (sig, SIG_IGN);
if (handler == SIG_ERR)
return -1;
save = errno;
(void) signal (sig, handler);
__set_errno (save);
}
else
{
int i;
if (act->sa_flags != 0)
{
unimplemented:
__set_errno (ENOSYS);
return -1;
}
for (i = 1; i < NSIG; ++i)
if (__sigismember (&act->sa_mask, i))
goto unimplemented;
handler = signal (sig, act->sa_handler);
if (handler == SIG_ERR)
return -1;
}
if (oact != NULL)
{
oact->sa_handler = handler;
__sigemptyset (&oact->sa_mask);
oact->sa_flags = 0;
}
return 0;
}
libc_hidden_def (__sigaction)
weak_alias (__sigaction, sigaction)