shared_mutex.h
Overview
The shared_mutex.h file declares read-write lock interfaces in C.
Library: libffrt.z.so
System capability: SystemCapability.Resourceschedule.Ffrt.Core
Since: 18
Related module: FFRT
Summary
Functions
| Name | Description |
|---|---|
| FFRT_C_API int ffrt_rwlock_init (ffrt_rwlock_t *rwlock, const ffrt_rwlockattr_t *attr) | Initializes a read-write lock. |
| FFRT_C_API int ffrt_rwlock_wrlock (ffrt_rwlock_t *rwlock) | Obtains a write lock. |
| FFRT_C_API int ffrt_rwlock_trywrlock (ffrt_rwlock_t *rwlock) | Attempts to obtain a write lock; if it fails, the function returns immediately. |
| FFRT_C_API int ffrt_rwlock_rdlock (ffrt_rwlock_t *rwlock) | Obtains a read lock. |
| FFRT_C_API int ffrt_rwlock_tryrdlock (ffrt_rwlock_t *rwlock) | Attempts to obtain a read lock; if it fails, the function returns immediately. |
| FFRT_C_API int ffrt_rwlock_unlock (ffrt_rwlock_t *rwlock) | Releases the read-write lock. |
| FFRT_C_API int ffrt_rwlock_destroy (ffrt_rwlock_t *rwlock) | Destroys the read-write lock. |
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