#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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static struct traceobj trobj;
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static RT_TASK t_bgnd, t_fgnda, t_fgndb;
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static void background_task(void *arg)
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{
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int msg, ret, flowid, n;
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RT_TASK_MCB mcb;
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traceobj_enter(&trobj);
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ret = rt_task_reply(-1, &mcb);
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traceobj_check(&trobj, ret, -EINVAL);
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ret = rt_task_reply(999, &mcb);
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traceobj_check(&trobj, ret, -ENXIO);
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for (n = 0; n < 20; n++) {
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mcb.data = &msg;
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mcb.size = sizeof(msg);
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flowid = rt_task_receive(&mcb, TM_NONBLOCK);
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traceobj_assert(&trobj, flowid > 0);
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traceobj_assert(&trobj, mcb.size == sizeof(msg));
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switch (mcb.opcode) {
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case 0x77:
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msg = ~msg;
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ret = rt_task_reply(flowid, &mcb);
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traceobj_check(&trobj, ret, 0);
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break;
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case 0x78:
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ret = rt_task_reply(flowid, &mcb);
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traceobj_assert(&trobj, ret == -ENOBUFS);
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break;
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default:
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traceobj_assert(&trobj, 0);
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}
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}
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traceobj_exit(&trobj);
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}
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static void foreground_task_a(void *arg)
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{
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RT_TASK_MCB mcb, mcb_r;
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int ret, msg, notmsg;
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traceobj_enter(&trobj);
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for (msg = 0; msg < 10; msg++) {
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mcb.opcode = 0x77;
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mcb.data = &msg;
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mcb.size = sizeof(msg);
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mcb_r.data = ¬msg;
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mcb_r.size = sizeof(notmsg);
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notmsg = msg;
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ret = rt_task_send(&t_bgnd, &mcb, &mcb_r, TM_INFINITE);
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traceobj_assert(&trobj, ret == sizeof(msg));
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traceobj_assert(&trobj, notmsg == ~msg);
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}
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traceobj_exit(&trobj);
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}
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static void foreground_task_b(void *arg)
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{
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RT_TASK_MCB mcb, mcb_r;
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int ret, msg;
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traceobj_enter(&trobj);
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for (msg = 0; msg < 10; msg++) {
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mcb.opcode = 0x78;
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mcb.data = &msg;
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mcb.size = sizeof(msg);
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mcb_r.data = NULL;
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mcb_r.size = 0;
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ret = rt_task_send(&t_bgnd, &mcb, &mcb_r, TM_INFINITE);
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traceobj_check(&trobj, ret, -ENOBUFS);
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}
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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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int ret;
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traceobj_init(&trobj, argv[0], 0);
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ret = rt_task_create(&t_bgnd, "BGND", 0, 20, 0);
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traceobj_check(&trobj, ret, 0);
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ret = rt_task_create(&t_fgnda, "FGND-A", 0, 21, 0);
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traceobj_check(&trobj, ret, 0);
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ret = rt_task_start(&t_fgnda, foreground_task_a, NULL);
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traceobj_check(&trobj, ret, 0);
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ret = rt_task_create(&t_fgndb, "FGND-B", 0, 21, 0);
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traceobj_check(&trobj, ret, 0);
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ret = rt_task_start(&t_fgndb, foreground_task_b, NULL);
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traceobj_check(&trobj, ret, 0);
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ret = rt_task_start(&t_bgnd, background_task, NULL);
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traceobj_check(&trobj, ret, 0);
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traceobj_join(&trobj);
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exit(0);
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}
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