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core/mutex: add mutex_init_locked()

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Benjamin Valentin 2024-11-06 11:39:27 +01:00
parent 27343666dc
commit 46ecf82e24
1 changed files with 11 additions and 0 deletions
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11
core/include/mutex.h
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@ -253,6 +253,17 @@ static inline void mutex_init(mutex_t *mutex)
mutex->queue.next = NULL; mutex->queue.next = NULL;
} }
/**
* @brief Initializes a mutex object in a locked state.
* @details For initialization of variables use MUTEX_INIT_LOCKED instead.
* Only use the function call for dynamically allocated mutexes.
* @param[out] mutex pre-allocated mutex structure, must not be NULL.
*/
static inline void mutex_init_locked(mutex_t *mutex)
{
*mutex = (mutex_t)MUTEX_INIT_LOCKED;
}
/** /**
* @brief Initialize a mutex cancellation structure * @brief Initialize a mutex cancellation structure
* @param mutex The mutex that the calling thread wants to lock * @param mutex The mutex that the calling thread wants to lock