/* killpg() for MiNT */

#include <stdlib.h>
#include <errno.h>
#include <osbind.h>
#include <signal.h>
#include <unistd.h>
#include "mintbind.h"

extern int __mint;

/* vector of signal handlers (for TOS) */
extern __Sigfunc _sig_handler[];	/* in signal.c */

/* vector giving which signals are currently blocked from delivery (for TOS) */
extern long _sigmask;			/* in signal.c */

/* which signals are pending? */
extern long _sigpending;

int
killpg(pgrp, sig)
	int pgrp, sig;
{
	long r;

	if (__mint == 0) {
		if (pgrp == 0 || pgrp == getpgrp())
			return kill(getpid(), sig);
		errno = EINVAL;
		return -1;
	}
	if (pgrp < 0) {
		errno = ERANGE;
		return -1;
	}
	r = Pkill(-pgrp, sig);
	if (__mint < 7) {	/* compensate for a bug in MiNT 0.6 */
		(void)Syield();
	}
	if (r < 0) {
		errno = (int) -r;
		return -1;
	}
	return 0;
}