57 lines
1.7 KiB
C
57 lines
1.7 KiB
C
/* Copyright (C) 2002 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <signal.h>
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static int current_rtmin = __SIGRTMIN + 1;
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static int current_rtmax = __SIGRTMAX;
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/* We reserve __SIGRTMIN for use as the cancelation signal. This
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signal is used internally. */
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int
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__libc_current_sigrtmin (void)
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{
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return current_rtmin;
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}
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libc_hidden_def (__libc_current_sigrtmin)
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strong_alias (__libc_current_sigrtmin, __libc_current_sigrtmin_private)
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int
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__libc_current_sigrtmax (void)
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{
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return current_rtmax;
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}
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libc_hidden_def (__libc_current_sigrtmax)
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strong_alias (__libc_current_sigrtmax, __libc_current_sigrtmax_private)
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int
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__libc_allocate_rtsig (int high)
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{
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if (current_rtmin == -1 || current_rtmin > current_rtmax)
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/* We don't have anymore signal available. */
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return -1;
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return high ? current_rtmin++ : current_rtmax--;
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}
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strong_alias (__libc_allocate_rtsig, __libc_allocate_rtsig_private)
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