mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-30 00:31:08 +00:00
44 lines
1.3 KiB
C
44 lines
1.3 KiB
C
/* Copyright (C) 1992-2014 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 <hurd.h>
|
|
|
|
/* Run signals handlers on the stack specified by SS (if not NULL).
|
|
If OSS is not NULL, it is filled in with the old signal stack status. */
|
|
int
|
|
sigstack (struct sigstack *ss, struct sigstack *oss)
|
|
{
|
|
struct sigaltstack as, oas;
|
|
|
|
as.ss_sp = ss->ss_sp;
|
|
as.ss_size = 0;
|
|
as.ss_flags = 0;
|
|
|
|
if (__sigaltstack (&as, &oas) < 0)
|
|
return -1;
|
|
|
|
if (oss != NULL)
|
|
{
|
|
oss->ss_sp = oas.ss_sp;
|
|
oss->ss_onstack = oas.ss_flags & SS_ONSTACK;
|
|
}
|
|
|
|
return 0;
|
|
}
|