mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-22 21:10:07 +00:00
56 lines
1.7 KiB
C
56 lines
1.7 KiB
C
/* Copyright (C) 2002-2013 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
|
|
|
|
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 <signal.h>
|
|
|
|
|
|
static int current_rtmin = __SIGRTMIN + 2;
|
|
static int current_rtmax = __SIGRTMAX;
|
|
|
|
|
|
/* We reserve __SIGRTMIN for use as the cancelation signal. This
|
|
signal is used internally. */
|
|
int
|
|
__libc_current_sigrtmin (void)
|
|
{
|
|
return current_rtmin;
|
|
}
|
|
libc_hidden_def (__libc_current_sigrtmin)
|
|
strong_alias (__libc_current_sigrtmin, __libc_current_sigrtmin_private)
|
|
|
|
|
|
int
|
|
__libc_current_sigrtmax (void)
|
|
{
|
|
return current_rtmax;
|
|
}
|
|
libc_hidden_def (__libc_current_sigrtmax)
|
|
strong_alias (__libc_current_sigrtmax, __libc_current_sigrtmax_private)
|
|
|
|
|
|
int
|
|
__libc_allocate_rtsig (int high)
|
|
{
|
|
if (current_rtmin == -1 || current_rtmin > current_rtmax)
|
|
/* We don't have anymore signal available. */
|
|
return -1;
|
|
|
|
return high ? current_rtmin++ : current_rtmax--;
|
|
}
|
|
strong_alias (__libc_allocate_rtsig, __libc_allocate_rtsig_private)
|