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| #include <stdio.h>
| #include <stdlib.h>
| #include <copperplate/traceobj.h>
| #include <vxworks/errnoLib.h>
| #include <vxworks/taskLib.h>
| #include <vxworks/msgQLib.h>
|
| #define NMESSAGES 10
|
| static struct traceobj trobj;
|
| static int tseq[] = {
| 11, 1, 2, 3, 12, 8,
| 4, 5, 6, 9, 7, 10, 13
| };
|
| static MSG_Q_ID qid;
|
| static void rootTask(long arg, ...)
| {
| int ret, msg, n;
|
| traceobj_enter(&trobj);
|
| traceobj_mark(&trobj, 1);
|
| qid = msgQCreate(NMESSAGES, sizeof(msg), MSG_Q_FIFO);
| traceobj_assert(&trobj, qid != 0);
|
| traceobj_mark(&trobj, 2);
|
| for (msg = 0; msg < NMESSAGES; msg++) {
| ret = msgQSend(qid, (char *)&msg, sizeof(msg), NO_WAIT, MSG_PRI_NORMAL);
| traceobj_assert(&trobj, ret == OK);
| }
|
| traceobj_mark(&trobj, 3);
|
| ret = msgQSend(qid, (char *)&msg, sizeof(msg), WAIT_FOREVER, MSG_PRI_URGENT);
| traceobj_assert(&trobj, ret == OK);
|
| traceobj_mark(&trobj, 4);
|
| ret = msgQReceive(qid, (char *)&msg, sizeof(int), WAIT_FOREVER);
| traceobj_assert(&trobj, ret == sizeof(int) && msg == 10);
|
| traceobj_mark(&trobj, 5);
|
| for (n = 1; n < NMESSAGES; n++) { /* peer task read #0 already. */
| ret = msgQReceive(qid, (char *)&msg, sizeof(int), WAIT_FOREVER);
| traceobj_assert(&trobj, ret == sizeof(int) && msg == n);
| }
|
| traceobj_mark(&trobj, 6);
|
| ret = msgQReceive(qid, (char *)&msg, sizeof(int), WAIT_FOREVER);
| traceobj_assert(&trobj, ret == ERROR && errno == S_objLib_OBJ_DELETED);
|
| traceobj_mark(&trobj, 7);
|
| traceobj_exit(&trobj);
| }
|
| static void peerTask(long arg, ...)
| {
| int ret, msg;
|
| traceobj_enter(&trobj);
|
| traceobj_mark(&trobj, 8);
|
| ret = msgQReceive(qid, (char *)&msg, sizeof(int), WAIT_FOREVER);
| traceobj_assert(&trobj, ret == sizeof(int) && msg == 0);
|
| traceobj_mark(&trobj, 9);
|
| ret = msgQDelete(qid);
| traceobj_assert(&trobj, ret == OK);
|
| traceobj_mark(&trobj, 10);
|
| traceobj_exit(&trobj);
| }
|
| int main(int argc, char *const argv[])
| {
| TASK_ID rtid, ptid;
|
| traceobj_init(&trobj, argv[0], sizeof(tseq) / sizeof(int));
|
| traceobj_mark(&trobj, 11);
|
| rtid = taskSpawn("rootTask", 50, 0, 0, rootTask,
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
| traceobj_assert(&trobj, rtid != ERROR);
|
| traceobj_mark(&trobj, 12);
|
| ptid = taskSpawn("peerTask",
| 51,
| 0, 0, peerTask, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
| traceobj_assert(&trobj, ptid != ERROR);
|
| traceobj_mark(&trobj, 13);
|
| traceobj_join(&trobj);
|
| traceobj_verify(&trobj, tseq, sizeof(tseq) / sizeof(int));
|
| exit(0);
| }
|
|
