diff options
Diffstat (limited to 'linuxthreads/sysdeps/unix/sysv/linux/allocrtsig.c')
-rw-r--r-- | linuxthreads/sysdeps/unix/sysv/linux/allocrtsig.c | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/linuxthreads/sysdeps/unix/sysv/linux/allocrtsig.c b/linuxthreads/sysdeps/unix/sysv/linux/allocrtsig.c deleted file mode 100644 index af1581a4c3..0000000000 --- a/linuxthreads/sysdeps/unix/sysv/linux/allocrtsig.c +++ /dev/null @@ -1,87 +0,0 @@ -/* Handle real-time signal allocation. - Copyright (C) 1997,98,99,2002 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. - - 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> - -/* Sanity check. */ -#if !defined __SIGRTMIN || (__SIGRTMAX - __SIGRTMIN) < 3 -# error "This must not happen" -#endif - -static int current_rtmin; -static int current_rtmax; - -static int initialized; - -#include <testrtsig.h> - -static void -init (void) -{ - if (!kernel_has_rtsig ()) - { - current_rtmin = -1; - current_rtmax = -1; - } - else - { - current_rtmin = __SIGRTMIN + 3; - current_rtmax = __SIGRTMAX; - } - initialized = 1; -} - -/* Return number of available real-time signal with highest priority. */ -int -__libc_current_sigrtmin (void) -{ - if (!initialized) - init (); - return current_rtmin; -} -strong_alias (__libc_current_sigrtmin, __libc_current_sigrtmin_private); -libc_hidden_def (__libc_current_sigrtmin) - -/* Return number of available real-time signal with lowest priority. */ -int -__libc_current_sigrtmax (void) -{ - if (!initialized) - init (); - return current_rtmax; -} -strong_alias (__libc_current_sigrtmax, __libc_current_sigrtmax_private); -libc_hidden_def (__libc_current_sigrtmax) - -/* Allocate real-time signal with highest/lowest available - priority. Please note that we don't use a lock since we assume - this function to be called at program start. */ -int -__libc_allocate_rtsig (int high) -{ - if (!initialized) - init (); - 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); |