ack/lang/cem/libcc.ansi/core/setjmp/sigmisc.c

/*
 * sigmisc.c - used to get a signal mask
 */
/* $Id$ */

#if defined(_POSIX_SOURCE)

/* This can't be done in setjmp.e, since SIG_SETMASK is defined in
 * <signal.h>. This is a C-file, which can't be included.
 */

#include <sys/types.h>
#include <signal.h>
#include <stddef.h>

int _sigprocmask(int, sigset_t*, sigset_t*);

static void
__testsigset(void)
{
	/* This switch compiles when a sigset_t has the right size. */
	switch (0)
	{
		case 0:
		case sizeof(sigset_t) <= sizeof(long):
			break;
	}
}

void __newsigset(sigset_t* p)
{
	/* The SIG_SETMASK is not significant */
	_sigprocmask(SIG_SETMASK, NULL, p);
}

void __oldsigset(sigset_t* p)
{
	_sigprocmask(SIG_SETMASK, p, NULL);
}
#endif /* _POSIX_SOURCE */