11 #include <zephyr/sys/mutex.h>
25 SYS_MUTEX_DEFINE(mutex);
28 /* The order of threads getting mutex is judged by index
42 	/* Keep mutex for a while */  in low_prio_wait_for_mutex()
57 	/* Keep mutex for a while */  in high_prio_t1_wait_for_mutex()
72 	/* Keep mutex for a while */  in high_prio_t2_wait_for_mutex()
79  * @brief Test multi-threads to take mutex.
85  * 1. Any number of threads may wait on a mutex locked by others
87  * 2. When the mutex is released, it is took by the highest priority
99 	sys_mutex_lock(&mutex, K_NO_WAIT);  in ZTEST()
105 			&mutex, NULL, NULL,  in ZTEST()
113 			&mutex, NULL, NULL,  in ZTEST()
118 			&mutex, NULL, NULL,  in ZTEST()
121 	/* Release mutex by current thread */  in ZTEST()
122 	sys_mutex_unlock(&mutex);  in ZTEST()
129 	/* The mutex should be keep by high prio t1 thread */  in ZTEST()
131 	"The highest priority thread failed to take the mutex.");  in ZTEST()
133 	/* The mutex should be keep by high prio t2 thread */  in ZTEST()
135 	"The higher priority thread failed to take the mutex.");  in ZTEST()
137 	/* The mutex should be keep by low prio thread */  in ZTEST()
139 	"The low priority thread failed to take the mutex.");  in ZTEST()