nptl/pt-allocrtsig.c

   1 /* Copyright (C) 2002, 2004 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
   4
   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.
   9
  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.
  14
  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
  18    02111-1307 USA.  */
  19
  20 #include <signal.h>
  21
  22
  23 /* These are defined in libc.  We want to have only one definition
  24    so we "forward" the calls.  */
  25 extern int __libc_current_sigrtmin_private (void);
  26 extern int __libc_current_sigrtmax_private (void);
  27 extern int __libc_allocate_rtsig_private (int high);
  28
  29
  30 /* We reserve __SIGRTMIN for use as the cancellation signal and
  31    __SIGRTMIN+1 to handle setuid et.al.  These signals are used
  32    internally.  */
  33 int
  34 __libc_current_sigrtmin (void)
  35 {
  36   return __libc_current_sigrtmin_private ();
  37 }
  38
  39
  40 int
  41 __libc_current_sigrtmax (void)
  42 {
  43   return __libc_current_sigrtmax_private ();
  44 }
  45
  46
  47 int
  48 __libc_allocate_rtsig (int high)
  49 {
  50   return __libc_allocate_rtsig_private (high);
  51 }