thread.c File Reference

Include dependency graph for thread.c:

Data Structures
struct	vlc_thread
struct	vlc_threadvar

Macros
#define	IS_INTERRUPTIBLE   (!VLC_WINSTORE_APP || _WIN32_WINNT >= 0x0A00)
#define	ABOVE_NORMAL_PRIORITY_CLASS   0x00008000
#define	LOOKUP(s)   (((s##_) = (void *)GetProcAddress(h, #s)) != NULL)

Functions
void	vlc_mutex_init (vlc_mutex_t *p_mutex)
	Initializes a fast mutex. More...
void	vlc_mutex_init_recursive (vlc_mutex_t *p_mutex)
	Initializes a recursive mutex. More...
void	vlc_mutex_destroy (vlc_mutex_t *p_mutex)
	Deinitializes a mutex. More...
void	vlc_mutex_lock (vlc_mutex_t *p_mutex)
	Acquires a mutex. More...
int	vlc_mutex_trylock (vlc_mutex_t *p_mutex)
	Tries to acquire a mutex. More...
void	vlc_mutex_unlock (vlc_mutex_t *p_mutex)
	Releases a mutex. More...
int	vlc_threadvar_create (vlc_threadvar_t *p_tls, void(*destr)(void *))
	Allocates a thread-specific variable. More...
void	vlc_threadvar_delete (vlc_threadvar_t *p_tls)
	Deallocates a thread-specific variable. More...
int	vlc_threadvar_set (vlc_threadvar_t key, void *value)
	Sets a thread-specific variable. More...
void *	vlc_threadvar_get (vlc_threadvar_t key)
	Gets the value of a thread-local variable for the calling thread. More...
static void	vlc_threadvars_cleanup (void)
void	vlc_addr_wait (void *addr, unsigned val)
	Waits on an address. More...
bool	vlc_addr_timedwait (void *addr, unsigned val, mtime_t delay)
	Waits on an address with a time-out. More...
void	vlc_addr_signal (void *addr)
	Wakes up one thread on an address. More...
void	vlc_addr_broadcast (void *addr)
	Wakes up all thread on an address. More...
static void	vlc_thread_destroy (vlc_thread_t th)
static unsigned __stdcall	vlc_entry (void *p)
static int	vlc_clone_attr (vlc_thread_t *p_handle, bool detached, void *(*entry)(void *), void *data, int priority)
int	vlc_clone (vlc_thread_t *p_handle, void *(*entry)(void *), void *data, int priority)
	Creates and starts a new thread. More...
void	vlc_join (vlc_thread_t th, void **result)
	Waits for a thread to complete (if needed), then destroys it. More...
int	vlc_clone_detach (vlc_thread_t *p_handle, void *(*entry)(void *), void *data, int priority)
vlc_thread_t	vlc_thread_self (void)
	Thread handle. More...
unsigned long	vlc_thread_id (void)
	Thread identifier. More...
int	vlc_set_priority (vlc_thread_t th, int priority)
static void CALLBACK	vlc_cancel_self (ULONG_PTR self)
void	vlc_cancel (vlc_thread_t th)
	Marks a thread as cancelled. More...
int	vlc_savecancel (void)
	Disables thread cancellation. More...
void	vlc_restorecancel (int state)
	Restores the cancellation state. More...
void	vlc_testcancel (void)
	Issues an explicit deferred cancellation point. More...
void	vlc_control_cancel (int cmd,...)
	Internal handler for thread cancellation. More...
static mtime_t	mdate_interrupt (void)
static mtime_t	mdate_tick (void)
static mtime_t	mdate_multimedia (void)
static mtime_t	mdate_perf (void)
static mtime_t	mdate_wall (void)
static mtime_t	mdate_default (void)
mtime_t	mdate (void)
	Precision monotonic clock. More...
static BOOL	SelectClockSource (void *data)
size_t	EnumClockSource (vlc_object_t *obj, const char *var, char ***vp, char ***np)
unsigned	vlc_GetCPUCount (void)
	Count CPUs. More...
void	vlc_threads_setup (libvlc_int_t *vlc)
BOOL WINAPI	DllMain (HINSTANCE, DWORD, LPVOID)

Variables
static CRITICAL_SECTION	super_mutex
static CONDITION_VARIABLE	super_variable
static DWORD	thread_key
struct vlc_threadvar *	vlc_threadvar_last = NULL
union {
struct {
LARGE_INTEGER   freq
}   perf
struct {
UINT   cbtc
}   multimedia
}	clk
static mtime_t(*	mdate_selected )(void) = mdate_default
static CRITICAL_SECTION	setup_lock
vlc_rwlock_t	config_lock

Macro Definition Documentation

ABOVE_NORMAL_PRIORITY_CLASS

#define ABOVE_NORMAL_PRIORITY_CLASS   0x00008000

IS_INTERRUPTIBLE

#define IS_INTERRUPTIBLE   (!VLC_WINSTORE_APP || _WIN32_WINNT >= 0x0A00)

LOOKUP

#define LOOKUP

(

s

)

(((s##_) = (void *)GetProcAddress(h, #s)) != NULL)

Function Documentation

DllMain()

BOOL WINAPI DllMain	(	HINSTANCE	hinstDll,
		DWORD	fdwReason,
		LPVOID	lpvReserved
	)

References config_lock, LOOKUP, setup_lock, super_mutex, super_variable, thread_key, unlikely, vlc_CPU_init(), vlc_rwlock_destroy(), vlc_rwlock_init(), and vlc_threadvars_cleanup().

EnumClockSource()

size_t EnumClockSource	(	vlc_object_t *	obj,
		const char *	var,
		char ***	vp,
		char ***	np
	)

References _, xmalloc(), and xstrdup().

mdate_default()

static mtime_t mdate_default ( void  )

static

References mdate_perf(), and vlc_threads_setup().

Referenced by vlc_threads_setup().

mdate_interrupt()

static mtime_t mdate_interrupt ( void  )

static

References clk, CLOCK_FREQ, static_assert, and unlikely.

Referenced by SelectClockSource().

mdate_multimedia()

static mtime_t mdate_multimedia ( void  )

static

References clk, CLOCK_FREQ, and static_assert.

Referenced by SelectClockSource().

mdate_perf()

static mtime_t mdate_perf ( void  )

static

References clk, lldiv(), lldiv_t::quot, and lldiv_t::rem.

Referenced by mdate_default(), and SelectClockSource().

mdate_tick()

static mtime_t mdate_tick ( void  )

static

References clk, CLOCK_FREQ, and static_assert.

Referenced by SelectClockSource().

mdate_wall()

static mtime_t mdate_wall ( void  )

static

References CLOCK_FREQ, and static_assert.

Referenced by SelectClockSource().

SelectClockSource()

static BOOL SelectClockSource ( void *  data )

static

References clk, vlc_thread::data, mdate_interrupt(), mdate_multimedia(), mdate_perf(), mdate_selected, mdate_tick(), mdate_wall(), msg_Dbg, msg_Err, name, perf, unlikely, and var_InheritString.

Referenced by vlc_threads_setup().

vlc_cancel_self()

static void CALLBACK vlc_cancel_self ( ULONG_PTR  self )

static

Referenced by vlc_cancel().

vlc_clone_attr()

static int vlc_clone_attr ( vlc_thread_t *  p_handle, bool  detached, void *(*)(void *)  entry, void *  data, int  priority  )

static

References vlc_thread::addr, vlc_thread::cleaners, vlc_thread::data, vlc_thread::detached, vlc_thread::entry, vlc_thread::id, vlc_thread::killable, vlc_thread::killed, vlc_thread::lock, unlikely, vlc_entry(), and vlc_thread::wait.

Referenced by vlc_clone(), and vlc_clone_detach().

vlc_clone_detach()

int vlc_clone_detach	(	vlc_thread_t *	p_handle,
		void *(*)(void *)	entry,
		void *	data,
		int	priority
	)

References vlc_thread::data, and vlc_clone_attr().

vlc_entry()

static unsigned __stdcall vlc_entry ( void *  p )

static

References vlc_thread::data, vlc_thread::entry, vlc_thread::id, vlc_thread::killable, p, thread_key, and vlc_thread_destroy().

Referenced by vlc_clone_attr().

vlc_set_priority()

int vlc_set_priority	(	vlc_thread_t	th,
		int	priority
	)

< Unspecified error

< No error

References VLC_EGENERIC, and VLC_SUCCESS.

vlc_thread_destroy()

static void vlc_thread_destroy ( vlc_thread_t  th )

static

Referenced by vlc_entry(), vlc_join(), and vlc_testcancel().

vlc_threads_setup()

void vlc_threads_setup

(

libvlc_int_t *

vlc

)

References ABOVE_NORMAL_PRIORITY_CLASS, mdate_default(), mdate_selected, msg_Dbg, SelectClockSource(), setup_lock, var_InheritBool, and VLC_OBJECT.

vlc_threadvars_cleanup()

static void vlc_threadvars_cleanup ( void  )

static

References vlc_threadvar::prev, super_mutex, vlc_threadvar_get(), vlc_threadvar_last, and vlc_threadvar_set().

Referenced by DllMain().

Variable Documentation

cbtc

UINT cbtc

clk

union { ... } clk

Referenced by mdate_interrupt(), mdate_multimedia(), mdate_perf(), mdate_tick(), and SelectClockSource().

config_lock

vlc_rwlock_t config_lock

Referenced by config_GetFloat(), config_GetInt(), config_GetPsz(), config_PutFloat(), config_PutInt(), and config_PutPsz().

freq

LARGE_INTEGER freq

Referenced by mdate().

mdate_selected

mtime_t(* mdate_selected) (void) = mdate_default

static

Referenced by mdate(), SelectClockSource(), and vlc_threads_setup().

multimedia

struct { ... } multimedia

perf

struct { ... } perf

Referenced by SelectClockSource().

setup_lock

CRITICAL_SECTION setup_lock

static

Referenced by DllMain(), and vlc_threads_setup().

super_mutex

CRITICAL_SECTION super_mutex

static

Referenced by DllMain(), vlc_mutex_lock(), vlc_mutex_trylock(), vlc_mutex_unlock(), vlc_threadvar_create(), vlc_threadvar_delete(), and vlc_threadvars_cleanup().

super_variable

CONDITION_VARIABLE super_variable

static

Referenced by DllMain(), vlc_mutex_lock(), and vlc_mutex_unlock().

thread_key

DWORD thread_key

static

Referenced by DllMain(), vlc_entry(), and vlc_thread_self().

vlc_threadvar_last

struct vlc_threadvar * vlc_threadvar_last = NULL