Include dependency graph for threads.c:

Data Structures
struct	vlc_suuint

struct	vlc_cond_waiter

Enumerations
enum	{ VLC_LATCH_READY , VLC_LATCH_CONTEND , VLC_LATCH_PENDING }

enum	{ VLC_ONCE_UNDONE , VLC_ONCE_DOING , VLC_ONCE_CONTEND , VLC_ONCE_DONE }

Functions
void	vlc_global_mutex (unsigned n, bool acquire)
	Internal handler for global mutexes.

static void	vlc_mutex_init_common (vlc_mutex_t *mtx, bool recursive)

void	vlc_mutex_init (vlc_mutex_t *mtx)
	Initializes a fast mutex.

void	vlc_mutex_init_recursive (vlc_mutex_t *mtx)
	Initializes a recursive mutex.

bool	vlc_mutex_held (const vlc_mutex_t *mtx)
	Checks if a mutex is locked.

void	vlc_mutex_lock (vlc_mutex_t *mtx)
	Acquires a mutex.

int	vlc_mutex_trylock (vlc_mutex_t *mtx)
	Tries to acquire a mutex.

void	vlc_mutex_unlock (vlc_mutex_t *mtx)
	Releases a mutex.

void	vlc_cond_init (vlc_cond_t *cond)
	Initializes a condition variable.

static void	vlc_cond_signal_waiter (struct vlc_cond_waiter *waiter)

void	vlc_cond_signal (vlc_cond_t *cond)
	Wakes up one thread waiting on a condition variable.

void	vlc_cond_broadcast (vlc_cond_t *cond)
	Wakes up all threads waiting on a condition variable.

static void	vlc_cond_wait_prepare (struct vlc_cond_waiter waiter, vlc_cond_t cond, vlc_mutex_t *mutex)

static void	vlc_cond_wait_finish (struct vlc_cond_waiter waiter, vlc_cond_t cond, vlc_mutex_t *mutex)

void	vlc_cond_wait (vlc_cond_t cond, vlc_mutex_t mutex)
	Waits on a condition variable.

int	vlc_cond_timedwait (vlc_cond_t cond, vlc_mutex_t mutex, vlc_tick_t deadline)
	Waits on a condition variable up to a certain date.

void	vlc_sem_init (vlc_sem_t *sem, unsigned value)
	Initializes a semaphore.

int	vlc_sem_post (vlc_sem_t *sem)
	Increments the value of a semaphore.

void	vlc_sem_wait (vlc_sem_t *sem)
	Waits on a semaphore.

int	vlc_sem_timedwait (vlc_sem_t *sem, vlc_tick_t deadline)
	Waits on a semaphore within a deadline.

int	vlc_sem_trywait (vlc_sem_t *sem)
	Tries to decrement a semaphore.

void	vlc_latch_init (vlc_latch_t *latch, size_t value)
	Initializes a latch.

static bool	vlc_latch_count_down_ready (vlc_latch_t *latch, size_t n)

void	vlc_latch_count_down (vlc_latch_t *latch, size_t n)
	Decrements the value of a latch.

void	vlc_latch_count_down_and_wait (vlc_latch_t *latch, size_t n)
	Decrements the value of a latch and waits on it.

bool	vlc_latch_is_ready (const vlc_latch_t *latch)
	Checks if a latch is ready.

void	vlc_latch_wait (vlc_latch_t *latch)
	Waits on a latch.

void	vlc_queuedmutex_init (vlc_queuedmutex_t *m)

bool	vlc_queuedmutex_held (vlc_queuedmutex_t *m)
	Checks if a queued mutex is locked.

void	vlc_queuedmutex_lock (vlc_queuedmutex_t *m)

void	vlc_queuedmutex_unlock (vlc_queuedmutex_t *m)

bool()	vlc_once_begin (vlc_once_t *restrict once)
	Begins a one-time initialization.

void	vlc_once_complete (vlc_once_t *restrict once)
	Completes a one-time initialization.

Enumeration Type Documentation

◆ anonymous enum

anonymous enum

Enumerator
VLC_LATCH_READY
VLC_LATCH_CONTEND
VLC_LATCH_PENDING

◆ anonymous enum

anonymous enum

Enumerator
VLC_ONCE_UNDONE
VLC_ONCE_DOING
VLC_ONCE_CONTEND
VLC_ONCE_DONE

Function Documentation

◆ vlc_cond_signal_waiter()

static void vlc_cond_signal_waiter ( struct vlc_cond_waiter * waiter )

static

References vlc_cond_waiter::next, vlc_cond_waiter::pprev, vlc_cond_waiter::value, and vlc_atomic_notify_one().

Referenced by vlc_cond_broadcast(), and vlc_cond_signal().

◆ vlc_cond_wait_finish()

static void vlc_cond_wait_finish	(	struct vlc_cond_waiter *	waiter,
		vlc_cond_t *	cond,
		vlc_mutex_t *	mutex
	)

static

References vlc_cond_t::lock, vlc_cond_waiter::next, vlc_cond_waiter::pprev, vlc_mutex_lock(), and vlc_mutex_unlock().

Referenced by vlc_cond_timedwait(), and vlc_cond_wait().

◆ vlc_cond_wait_prepare()

static void vlc_cond_wait_prepare	(	struct vlc_cond_waiter *	waiter,
		vlc_cond_t *	cond,
		vlc_mutex_t *	mutex
	)

static

References vlc_cond_t::head, vlc_cond_t::lock, vlc_cond_waiter::next, vlc_cond_waiter::pprev, vlc_cond_waiter::value, vlc_mutex_lock(), and vlc_mutex_unlock().

Referenced by vlc_cond_timedwait(), and vlc_cond_wait().

◆ vlc_latch_count_down_ready()

static bool vlc_latch_count_down_ready	(	vlc_latch_t *	latch,
		size_t	n
	)

static

References vlc_latch_t::ready, vlc_latch_t::value, vlc_cond_waiter::value, vlc_atomic_notify_all(), VLC_LATCH_CONTEND, and VLC_LATCH_READY.

Referenced by vlc_latch_count_down(), and vlc_latch_count_down_and_wait().

◆ vlc_mutex_init_common()

static void vlc_mutex_init_common	(	vlc_mutex_t *	mtx,
		bool	recursive
	)

static

References vlc_mutex_t::owner, vlc_mutex_t::recursion, and vlc_mutex_t::value.

Referenced by vlc_mutex_init(), and vlc_mutex_init_recursive().

◆ vlc_queuedmutex_held()

bool vlc_queuedmutex_held ( vlc_queuedmutex_t * m )

Checks if a queued mutex is locked.

This function checks if the calling thread holds a given queued mutual exclusion lock. It has no side effects and is essentially intended for run-time debugging.