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| -rw-r--r-- | signal/allocrtsig.c | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/signal/allocrtsig.c b/signal/allocrtsig.c deleted file mode 100644 index fdf8a6854a..0000000000 --- a/signal/allocrtsig.c +++ /dev/null @@ -1,94 +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> - -/* In these variables we keep track of the used variables. If the - platform does not support any real-time signals we will define the - values to some unreasonable value which will signal failing of all - the functions below. */ -#ifndef __SIGRTMIN -static int current_rtmin = -1; -static int current_rtmax = -1; -#else -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; - current_rtmax = __SIGRTMAX; - } - initialized = 1; -} -#endif - -/* Return number of available real-time signal with highest priority. */ -int -__libc_current_sigrtmin (void) -{ -#ifdef __SIGRTMIN - if (!initialized) - init (); -#endif - return current_rtmin; -} - -/* Return number of available real-time signal with lowest priority. */ -int -__libc_current_sigrtmax (void) -{ -#ifdef __SIGRTMIN - if (!initialized) - init (); -#endif - return current_rtmax; -} - -/* 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) -{ -#ifndef __SIGRTMIN - return -1; -#else - 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--; -#endif -} |