37 lines
661 B
C
37 lines
661 B
C
#include <rt/assert.h>
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#include <rt/sem.h>
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#include <rt/task.h>
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#include <rt/trap.h>
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static const int n = 10;
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static RT_SEM(sem, 0);
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static void poster(void)
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{
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rt_task_drop_privilege();
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for (int i = 0; i < n; ++i)
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{
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rt_task_sleep(5);
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rt_sem_post(&sem);
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}
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rt_task_sleep(15);
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rt_sem_post(&sem);
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}
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static void waiter(void)
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{
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rt_task_drop_privilege();
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for (int i = 0; i < n; ++i)
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{
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rt_assert(rt_sem_timedwait(&sem, 10), "wait timed out");
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}
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rt_assert(!rt_sem_timedwait(&sem, 10), "wait didn't time out");
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rt_trap();
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}
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RT_TASK(poster, RT_STACK_MIN, 0);
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RT_TASK(waiter, RT_STACK_MIN, 0);
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