1 /* Copyright (C) 2002 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
23 static int current_rtmin = __SIGRTMIN + 1;
24 static int current_rtmax = __SIGRTMAX;
27 /* We reserve __SIGRTMIN for use as the cancelation signal. This
28 signal is used internally. */
30 __libc_current_sigrtmin (void)
34 strong_alias (__libc_current_sigrtmin, __libc_current_sigrtmin_private)
38 __libc_current_sigrtmax (void)
42 strong_alias (__libc_current_sigrtmax, __libc_current_sigrtmax_private)
46 __libc_allocate_rtsig (int high)
48 if (current_rtmin == -1 || current_rtmin > current_rtmax)
49 /* We don't have anymore signal available. */
52 return high ? current_rtmin++ : current_rtmax--;
54 strong_alias (__libc_allocate_rtsig, __libc_allocate_rtsig_private)