#include <stdio.h>
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#include <stdlib.h>
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#include <copperplate/traceobj.h>
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#include <alchemy/task.h>
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#include <alchemy/queue.h>
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#define NMESSAGES 10
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static struct traceobj trobj;
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static int tseq[] = {
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11, 1, 2, 3, 12, 8, 14,
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13, 4, 5, 6, 7, 9, 10
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};
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static RT_QUEUE q;
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static void main_task(void *arg)
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{
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int ret, msg, n;
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traceobj_enter(&trobj);
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traceobj_mark(&trobj, 1);
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ret = rt_queue_create(&q, "QUEUE", NMESSAGES * sizeof(int), NMESSAGES, Q_FIFO);
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traceobj_check(&trobj, ret, 0);
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traceobj_mark(&trobj, 2);
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for (msg = 0; msg < NMESSAGES; msg++) {
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ret = rt_queue_write(&q, &msg, sizeof(int), Q_NORMAL);
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traceobj_check(&trobj, ret, 0);
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}
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traceobj_mark(&trobj, 3);
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ret = rt_queue_write(&q, &msg, sizeof(int), Q_URGENT);
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traceobj_check(&trobj, ret, -ENOMEM);
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rt_task_sleep(100000000ULL);
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ret = rt_queue_write(&q, &msg, sizeof(int), Q_URGENT);
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traceobj_check(&trobj, ret, 0);
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traceobj_mark(&trobj, 4);
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ret = rt_queue_read(&q, &msg, sizeof(msg), TM_INFINITE);
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traceobj_assert(&trobj, ret == sizeof(int) && msg == 10);
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traceobj_mark(&trobj, 5);
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for (n = 1; n < NMESSAGES; n++) { /* peer task read #0 already. */
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ret = rt_queue_read(&q, &msg, sizeof(msg), TM_INFINITE);
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traceobj_assert(&trobj, ret == sizeof(int) && msg == n);
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}
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traceobj_mark(&trobj, 6);
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ret = rt_queue_delete(&q);
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traceobj_check(&trobj, ret, 0);
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traceobj_mark(&trobj, 7);
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traceobj_exit(&trobj);
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}
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static void peer_task(void *arg)
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{
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int ret, msg;
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traceobj_enter(&trobj);
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traceobj_mark(&trobj, 8);
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ret = rt_queue_read(&q, &msg, sizeof(msg), TM_INFINITE);
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traceobj_assert(&trobj, ret == sizeof(int) && msg == 0);
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traceobj_mark(&trobj, 14);
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rt_task_sleep(100000000ULL);
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traceobj_mark(&trobj, 9);
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/* Valgrind will bark at this one, this is expected. */
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ret = rt_queue_read(&q, &msg, sizeof(msg), TM_INFINITE);
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traceobj_check(&trobj, ret, -EINVAL);
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traceobj_mark(&trobj, 10);
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traceobj_exit(&trobj);
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}
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int main(int argc, char *const argv[])
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{
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RT_TASK t_main, t_peer;
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int ret;
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traceobj_init(&trobj, argv[0], sizeof(tseq) / sizeof(int));
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traceobj_mark(&trobj, 11);
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ret = rt_task_spawn(&t_main, "main_task", 0, 50, 0, main_task, NULL);
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traceobj_check(&trobj, ret, 0);
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traceobj_mark(&trobj, 12);
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ret = rt_task_spawn(&t_peer, "peer_task", 0, 49, 0, peer_task, NULL);
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traceobj_check(&trobj, ret, 0);
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traceobj_mark(&trobj, 13);
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traceobj_join(&trobj);
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traceobj_verify(&trobj, tseq, sizeof(tseq) / sizeof(int));
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exit(0);
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}
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