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/***********************************************************************
* *
* This software is part of the ast package *
* Copyright (c) 1985-2010 AT&T Intellectual Property *
* and is licensed under the *
* Common Public License, Version 1.0 *
* by AT&T Intellectual Property *
* *
* A copy of the License is available at *
* http://www.opensource.org/licenses/cpl1.0.txt *
* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) *
* *
* Information and Software Systems Research *
* AT&T Research *
* Florham Park NJ *
* *
* Glenn Fowler <gsf@research.att.com> *
* David Korn <dgk@research.att.com> *
* Phong Vo <kpv@research.att.com> *
* *
***********************************************************************/
#pragma prototyped
#include <ast.h>
#if _lib_sigflag
NoN(sigflag)
#else
#include <sig.h>
int
sigflag(int sig, int flags, int set)
{
#if _lib_sigaction
struct sigaction sa;
if (sigaction(sig, NiL, &sa))
return -1;
if (set)
sa.sa_flags |= flags;
else
sa.sa_flags &= ~flags;
return sigaction(sig, &sa, NiL);
#else
return -1;
#endif
}
#endif
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