/*
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* Copyright (C) 2013 Philippe Gerum <rpm@xenomai.org>.
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*
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* This 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 of the License, or (at your option) any later version.
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*
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* This 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 this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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*/
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#ifndef _MERCURY_BOILERPLATE_SIGNAL_H
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#define _MERCURY_BOILERPLATE_SIGNAL_H
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#include <signal.h>
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#ifndef sigev_notify_thread_id
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#define sigev_notify_thread_id _sigev_un._tid
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#endif
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/* Generates reserved signal numbers for Boilerplate/Copperplate. */
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#define __SIGRSVD(n) (SIGRTMIN + 8 + (n))
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#define SIGSUSP __SIGRSVD(0) /* Suspend request */
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#define SIGRESM __SIGRSVD(1) /* Resume request */
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#define SIGRELS __SIGRSVD(2) /* Syscall abort */
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#define SIGRRB __SIGRSVD(3) /* Round-robin event */
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#define SIGAGENT __SIGRSVD(4) /* Request to remote agent */
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#define SIGPERIOD __SIGRSVD(5) /* Periodic signal */
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/* Generates private signal numbers for clients, up to SIGRTMAX. */
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#define __SIGPRIV(n) __SIGRSVD(8 + (n))
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#define SIGSAFE_LOCK_ENTRY(__safelock) \
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do { \
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sigset_t __safeset, __oldsafeset; \
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sigemptyset(&__safeset); \
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sigaddset(&__safeset, SIGSUSP); \
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pthread_sigmask(SIG_BLOCK, &__safeset, &__oldsafeset); \
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push_cleanup_lock(__safelock); \
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write_lock(__safelock);
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#define SIGSAFE_LOCK_EXIT(__safelock) \
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write_unlock(__safelock); \
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pop_cleanup_lock(&__safelock); \
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pthread_sigmask(SIG_SETMASK, &__oldsafeset, NULL); \
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} while (0)
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#endif /* _MERCURY_BOILERPLATE_SIGNAL_H */
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