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Merge pull request #20954 from benpicco/mutex_init_locked

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core/mutex: add `mutex_init_locked()`
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benpicco 2024-11-06 12:09:56 +00:00 committed by GitHub
commit 9c55be7237
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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