/* signal blocking stuff for MiNT */

#include <signal.h>
#include <errno.h>
#include <mintbind.h>
#include <unistd.h>

extern int __mint;
extern long _sigpending, _sigmask;

/* checksigs: for TOS: this checks to see if we just unmasked any
 * pending signals
 */
static void
checksigs()
{
	register int sig;
	register long send;

	if (send = (_sigpending & ~_sigmask)) {
		for (sig = 0; sig < NSIG; sig++) {
			if (send & (1L << sig))
				kill(0, sig);
		}
	}
}

long
sigsetmask(mask)
	long mask;
{
	register long omask;

	if (__mint)
		return Psigsetmask(mask);

	omask = _sigmask;
	_sigmask = mask;
	checksigs(_sigmask);
	return omask;
}

long
sigblock(mask)
	long mask;
{
	register long omask;

	if (__mint)
		return Psigblock(mask);

	omask = _sigmask;
	_sigmask |= mask;
	return omask;
}