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/*
* librd - Rapid Development C library
*
* Copyright (c) 2012-2013, Magnus Edenhill
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _RDSIGNAL_H_
#define _RDSIGNAL_H_
#include <signal.h>
#define RD_SIG_ALL -1
#define RD_SIG_END -2
extern sigset_t rd_intr_sigset;
extern int rd_intr_blocked;
static __inline void rd_intr_block(void) RD_UNUSED;
static __inline void rd_intr_block(void) {
if (rd_intr_blocked++)
return;
sigprocmask(SIG_BLOCK, &rd_intr_sigset, NULL);
}
static __inline void rd_intr_unblock(void) RD_UNUSED;
static __inline void rd_intr_unblock(void) {
assert(rd_intr_blocked > 0);
if (--rd_intr_blocked)
return;
sigprocmask(SIG_UNBLOCK, &rd_intr_sigset, NULL);
}
#endif /* _RDSIGNAL_H_ */
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