| /* Copyright (C) 2002, 2003, 2004 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, write to the Free |
| Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. */ |
| |
| #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) |
