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- /*
- * Copyright (c) 2004 Gunnar Ritter
- *
- * This software is provided 'as-is', without any express or implied
- * warranty. In no event will the authors be held liable for any damages
- * arising from the use of this software.
- *
- * Permission is granted to anyone to use this software for any purpose,
- * including commercial applications, and to alter it and redistribute
- * it freely, subject to the following restrictions:
- *
- * 1. The origin of this software must not be misrepresented; you must not
- * claim that you wrote the original software. If you use this software
- * in a product, an acknowledgment in the product documentation would be
- * appreciated but is not required.
- *
- * 2. Altered source versions must be plainly marked as such, and must not be
- * misrepresented as being the original software.
- *
- * 3. This notice may not be removed or altered from any source distribution.
- */
- /* Sccsid @(#)sigrelse.c 1.8 (gritter) 1/22/06 */
- #if defined (__FreeBSD__) || defined (__dietlibc__) || defined (__NetBSD__) || \
- defined (__OpenBSD__) || defined (__DragonFly__) || defined (__APPLE__) || \
- defined (__UCLIBC__)
- #include <signal.h>
- #include "sigset.h"
- int
- sigrelse(int sig)
- {
- sigset_t set, oset;
- if (sig <= 0)
- return -1;
- sigemptyset(&set);
- sigaddset(&set, sig);
- return sigprocmask(SIG_UNBLOCK, &set, &oset);
- }
- #endif /* __FreeBSD__ || __dietlibc__ || __NetBSD__ || __OpenBSD__ ||
- __DragonFly__ || __APPLE__ || __UCLIBC__ */
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