tsk1.c

psos调用实例

/* tsk1.c - Task #1 */

#include <psos.h>
#include <prepc.h>
#include <stdio.h>

#include "misc.h"
#include "appl.h"

void tsk1(ULONG me, ULONG him, ULONG l3, ULONG l4)
{
	ULONG	rc, got;
	char	incoming[LINE_MAX+1];

	bprintf("%s Task begin\n", (char *) me);
	for (;;) {
		if (0 != (rc = q_vreceive(qid, Q_WAIT, 0, incoming,
		                          sizeof(incoming), &got)))
			fail(rc, "%s q_vreceive(%s) failed", me, Q_NAM);
		bprintf("%2d: ", got);
		if (got == 0) {
			bprintf("<EOF>\n");
			break;
		}
		incoming[got] = '\0';
		bprintf("%s\n", incoming);
	}
	bprintf("%s Task end\n", (char *) me);
	/* Resume the root task (well-known tid) */
	t_resume(0x00020000);
	exit(0);
}