Struct

GLibRecMutex

Description [src]

struct GRecMutex {
  /* No available fields */
}

The GRecMutex struct is an opaque data structure to represent a recursive mutex. It is similar to a GMutex with the difference that it is possible to lock a GRecMutex multiple times in the same thread without deadlock. When doing so, care has to be taken to unlock the recursive mutex as often as it has been locked.

If a GRecMutex is allocated in static storage then it can be used without initialisation. Otherwise, you should call g_rec_mutex_init() on it and g_rec_mutex_clear() when done.

A GRecMutex should only be accessed with the g_rec_mutex_ functions.

Available since:2.32

Instance methods

g_rec_mutex_clear

Frees the resources allocated to a recursive mutex with g_rec_mutex_init().

g_rec_mutex_init

Initializes a GRecMutex so that it can be used.

Available since: 2.32

g_rec_mutex_lock

Locks rec_mutex. If rec_mutex is already locked by another thread, the current thread will block until rec_mutex is unlocked by the other thread. If rec_mutex is already locked by the current thread, the ‘lock count’ of rec_mutex is increased. The mutex will only become available again when it is unlocked as many times as it has been locked.

Available since: 2.32

g_rec_mutex_trylock

Tries to lock rec_mutex. If rec_mutex is already locked by another thread, it immediately returns FALSE. Otherwise it locks rec_mutex and returns TRUE.

Available since: 2.32

g_rec_mutex_unlock

Unlocks rec_mutex. If another thread is blocked in a g_rec_mutex_lock() call for rec_mutex, it will become unblocked and can lock rec_mutex itself.

Available since: 2.32