threads.c File Reference

Include dependency graph for threads.c:

Data Structures
struct	vlc_suuint
struct	vlc_cond_waiter

Macros
#define	vlc_cancel_addr_prepare(addr)   ((void)0)
#define	vlc_cancel_addr_finish(addr)   ((void)0)
#define	THREAD_SELF   ((const void *)thread_self)
#define	READER_MASK   LONG_MAX
#define	WRITER_BIT   LONG_MIN

Enumerations
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. More...
static void	vlc_mutex_init_common (vlc_mutex_t *mtx, bool recursive)
void	vlc_mutex_init (vlc_mutex_t *mtx)
	Initializes a fast mutex. More...
void	vlc_mutex_init_recursive (vlc_mutex_t *mtx)
	Initializes a recursive mutex. More...
bool	vlc_mutex_held (const vlc_mutex_t *mtx)
	Checks if a mutex is locked. More...
void	vlc_mutex_lock (vlc_mutex_t *mtx)
	Acquires a mutex. More...
int	vlc_mutex_trylock (vlc_mutex_t *mtx)
	Tries to acquire a mutex. More...
void	vlc_mutex_unlock (vlc_mutex_t *mtx)
	Releases a mutex. More...
void	vlc_cond_init (vlc_cond_t *cond)
	Initializes a condition variable. More...
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. More...
void	vlc_cond_broadcast (vlc_cond_t *cond)
	Wakes up all threads waiting on a condition variable. More...
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. More...
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. More...
int	vlc_cond_timedwait_daytime (vlc_cond_t *cond, vlc_mutex_t *mutex, time_t deadline)
void	vlc_rwlock_init (vlc_rwlock_t *lock)
	Initializes a read/write lock. More...
void	vlc_rwlock_rdlock (vlc_rwlock_t *lock)
	Acquires a read/write lock for reading. More...
void	vlc_rwlock_wrlock (vlc_rwlock_t *lock)
	Acquires a read/write lock for writing. More...
void	vlc_rwlock_unlock (vlc_rwlock_t *lock)
	Releases a read/write lock. More...
void	vlc_sem_init (vlc_sem_t *sem, unsigned value)
	Initializes a semaphore. More...
int	vlc_sem_post (vlc_sem_t *sem)
	Increments the value of a semaphore. More...
void	vlc_sem_wait (vlc_sem_t *sem)
	Waits on a semaphore. More...
int	vlc_sem_timedwait (vlc_sem_t *sem, vlc_tick_t deadline)
	Waits on a semaphore within a deadline. More...
int	vlc_sem_trywait (vlc_sem_t *sem)
	Tries to decrement a semaphore. More...
void()	vlc_once (vlc_once_t *restrict once, void(*cb)(void))

Variables
static _Thread_local char	thread_self [1]

Macro Definition Documentation

READER_MASK

#define READER_MASK   LONG_MAX

THREAD_SELF

#define THREAD_SELF   ((const void *)thread_self)

vlc_cancel_addr_finish

#define vlc_cancel_addr_finish

(

addr

)

((void)0)

vlc_cancel_addr_prepare

#define vlc_cancel_addr_prepare

(

addr

)

((void)0)

WRITER_BIT

#define WRITER_BIT   LONG_MIN

Enumeration Type Documentation

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(), vlc_cond_timedwait_daytime(), 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(), vlc_cond_timedwait_daytime(), and vlc_cond_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_once()

void() vlc_once	(	vlc_once_t *restrict	once,
		void(*)(void)	cb
	)

References unlikely, vlc_cond_waiter::value, vlc_atomic_notify_all(), vlc_atomic_wait(), VLC_ONCE_CONTEND, VLC_ONCE_DOING, VLC_ONCE_DONE, and VLC_ONCE_UNDONE.

Variable Documentation

thread_self

_Thread_local char thread_self[1]

static