/*
 * wait.c: a version of wait() for MiNT
 */

#include <errno.h>
#include <osbind.h>
#include "mintbind.h"

/* under TOS, vfork() puts its result in __waitval */
extern long __waitval;	/* in thread.c */

int wait(status)
	int *status;
{
	long r;
	int exit_status, sig_term, pid;
	extern int __mint;

	if (__mint == 0) {	/* wait is faked by vfork() */
		r = __waitval;
		__waitval = -ENOENT;
	}
	else
		r = Pwait3(0, 0L);

	if (r < 0) {
		errno = (int) -r;
		return -1;
	}
	pid = (int) ((r & 0xffff0000L) >> 16);
	exit_status = (int) (r & 0x000000ffL);
	sig_term = (int) ((r & 0x00007f00L) >> 8);
	if (status) {
		*status = (exit_status << 8) | sig_term;
	}
	return pid;
}