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[src][ipc]add no pi flag in mutex #9359

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[src][ipc]add no pi flag in mutex #9359

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01b7309
add no pi flag in mutex
zmshahaha Aug 28, 2024
5902d93
add nopi stress mutex test
zmshahaha Sep 14, 2024
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7 changes: 5 additions & 2 deletions examples/utest/testcases/kernel/sched_mtx_tc.c
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Original file line number Diff line number Diff line change
Expand Up @@ -89,19 +89,22 @@ static rt_err_t utest_tc_init(void)
rt_free(pseed);

rt_sem_init(&_thr_exit_sem, "test", 0, RT_IPC_FLAG_PRIO);
rt_mutex_init(&_racing_lock, "ipc", RT_IPC_FLAG_PRIO);
return RT_EOK;
}

static rt_err_t utest_tc_cleanup(void)
{
rt_sem_detach(&_thr_exit_sem);
rt_mutex_detach(&_racing_lock);
return RT_EOK;
}

static void testcase(void)
{
rt_mutex_init(&_racing_lock, "ipc", RT_IPC_FLAG_PRIO);
UTEST_UNIT_RUN(mutex_stress_tc);
rt_mutex_detach(&_racing_lock);
rt_mutex_init(&_racing_lock, "ipc", RT_MUTEX_NO_PI);
UTEST_UNIT_RUN(mutex_stress_tc);
rt_mutex_detach(&_racing_lock);
}
UTEST_TC_EXPORT(testcase, "testcases.kernel.scheduler.mutex", utest_tc_init, utest_tc_cleanup, TEST_SECONDS);
6 changes: 5 additions & 1 deletion include/rtdef.h
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Expand Up @@ -1059,16 +1059,20 @@ struct rt_mutex
{
struct rt_ipc_object parent; /**< inherit from ipc_object */

/* not used in RT_MUTEX_NO_PI mutex */
rt_uint8_t ceiling_priority; /**< the priority ceiling of mutexe */
rt_uint8_t priority; /**< the maximal priority for pending thread */

rt_uint8_t hold; /**< numbers of thread hold the mutex */
rt_uint8_t reserved; /**< reserved field */
rt_uint8_t flag; /**< flag of mutex */

struct rt_thread *owner; /**< current owner of mutex */
rt_list_t taken_list; /**< the object list taken by thread */
struct rt_spinlock spinlock;
};
typedef struct rt_mutex *rt_mutex_t;

#define RT_MUTEX_NO_PI 0x02
#endif /* RT_USING_MUTEX */

/**@}*/
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