#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/event.h>
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static struct traceobj trobj;
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static RT_TASK t_bgnd, t_fgnd;
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static RT_EVENT event;
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static void background_task(void *arg)
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{
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unsigned int flags;
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int ret, n;
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traceobj_enter(&trobj);
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for (n = 0; n < 10; n++) {
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flags = 0;
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ret = rt_event_wait(&event, 0x55555, &flags, EV_ANY, TM_INFINITE);
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traceobj_check(&trobj, ret, 0);
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traceobj_assert(&trobj, flags == 1 << n * 2);
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ret = rt_event_clear(&event, flags, NULL);
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traceobj_check(&trobj, ret, 0);
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ret = rt_event_signal(&event, 2 << n * 2);
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traceobj_check(&trobj, ret, 0);
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}
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ret = rt_event_wait(&event, 0x55555, &flags, EV_ANY, TM_INFINITE);
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traceobj_check(&trobj, ret, -EIDRM);
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traceobj_exit(&trobj);
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}
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static void foreground_task(void *arg)
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{
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unsigned int flags;
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int ret, n;
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traceobj_enter(&trobj);
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for (n = 0; n < 10; n++) {
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flags = 0;
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ret = rt_event_signal(&event, 1 << n * 2);
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traceobj_check(&trobj, ret, 0);
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ret = rt_event_wait(&event, 2 << n * 2, &flags, EV_ALL, TM_NONBLOCK);
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traceobj_check(&trobj, ret, -EWOULDBLOCK);
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ret = rt_event_wait(&event, 2 << n * 2, &flags, EV_ALL, TM_INFINITE);
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traceobj_check(&trobj, ret, 0);
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traceobj_assert(&trobj, flags == 2 << n * 2);
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ret = rt_event_clear(&event, flags, NULL);
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traceobj_check(&trobj, ret, 0);
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}
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rt_task_sleep(1000000ULL);
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ret = rt_event_delete(&event);
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traceobj_check(&trobj, ret, 0);
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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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unsigned int flags;
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int ret;
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traceobj_init(&trobj, argv[0], 0);
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ret = rt_event_create(&event, "EVENT", 0, EV_FIFO);
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traceobj_check(&trobj, ret, 0);
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ret = rt_event_signal(&event, 0x3);
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traceobj_check(&trobj, ret, 0);
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ret = rt_event_wait(&event, 0x1, &flags, EV_ALL, TM_NONBLOCK);
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traceobj_check(&trobj, ret, 0);
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traceobj_assert(&trobj, flags == 0x1);
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ret = rt_event_clear(&event, 0x3, NULL);
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traceobj_check(&trobj, ret, 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_start(&t_bgnd, background_task, NULL);
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traceobj_check(&trobj, ret, 0);
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ret = rt_task_create(&t_fgnd, "FGND", 0, 21, 0);
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traceobj_check(&trobj, ret, 0);
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ret = rt_task_start(&t_fgnd, foreground_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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