POSIX Threads Base option group. More...

Macros
#define	PTHREAD_CANCEL_ASYNCHRONOUS 1
	Thread cancellation is performed immediately.

#define	PTHREAD_CANCEL_ENABLE 0
	Cancellation is enabled (default).

#define	PTHREAD_CANCEL_DEFERRED 0
	Cancellation is deferred until a cancellation point (default).

#define	PTHREAD_CANCEL_DISABLE 1
	Cancellation delivery is disabled.

#define	PTHREAD_CANCELED ((void *)-1)
	Value returned by pthread_join() for a cancelled thread.

#define	PTHREAD_CREATE_DETACHED 1
	Thread is created in the detached state.

#define	PTHREAD_CREATE_JOINABLE 0
	Thread is created in the joinable state (default).

#define	PTHREAD_ONCE_INIT _PTHREAD_ONCE_INITIALIZER
	Static initialiser for pthread_once_t objects.

#define	PTHREAD_PRIO_NONE 0
	Mutex protocol: no priority inheritance or ceiling.

#define	PTHREAD_COND_INITIALIZER _PTHREAD_COND_INITIALIZER
	Static initialiser for pthread_cond_t objects.

#define	PTHREAD_MUTEX_INITIALIZER _PTHREAD_MUTEX_INITIALIZER
	Static initialiser for pthread_mutex_t objects.

#define	pthread_cleanup_push(_rtn, _arg)
	Push a cleanup handler onto the calling thread's cleanup stack.

#define	pthread_cleanup_pop(_ex)
	Pop a cleanup handler from the calling thread's cleanup stack.

Functions
int	pthread_kill (pthread_t thread, int sig)
	Send a signal to a specific thread.

int	pthread_sigmask (int how, const sigset_t ZRESTRICT set, sigset_t ZRESTRICT oset)
	Examine and change blocked signals for the calling thread.

int	pthread_attr_destroy (pthread_attr_t *attr)
	Destroy a thread attributes object.

int	pthread_attr_getdetachstate (const pthread_attr_t attr, int detachstate)
	Get the detach state attribute of a thread attributes object.

int	pthread_attr_getschedparam (const pthread_attr_t ZRESTRICT attr, struct sched_param ZRESTRICT param)
	Get the scheduling parameter attribute of a thread attributes object.

int	pthread_attr_init (pthread_attr_t *attr)
	Initialise a thread attributes object with default values.

int	pthread_attr_setdetachstate (pthread_attr_t *attr, int detachstate)
	Set the detach state attribute of a thread attributes object.

int	pthread_attr_setschedparam (pthread_attr_t ZRESTRICT attr, const struct sched_param ZRESTRICT param)
	Set the scheduling parameter attribute of a thread attributes object.

int	pthread_cancel (pthread_t thread)
	Send a cancellation request to a thread.

int	pthread_cond_broadcast (pthread_cond_t *cond)
	Broadcast a condition variable, waking all waiting threads.

int	pthread_cond_destroy (pthread_cond_t *cond)
	Destroy a condition variable.

int	pthread_cond_init (pthread_cond_t ZRESTRICT cond, const pthread_condattr_t ZRESTRICT attr)
	Initialise a condition variable.

int	pthread_cond_signal (pthread_cond_t *cond)
	Signal a condition variable, waking at least one waiting thread.

int	pthread_cond_timedwait (pthread_cond_t ZRESTRICT cond, pthread_mutex_t ZRESTRICT mutex, const struct timespec *ZRESTRICT abstime)
	Wait on a condition variable with an absolute timeout (CLOCK_REALTIME).

int	pthread_cond_wait (pthread_cond_t ZRESTRICT cond, pthread_mutex_t ZRESTRICT mutex)
	Wait on a condition variable.

int	pthread_condattr_destroy (pthread_condattr_t *attr)
	Destroy a condition variable attributes object.

int	pthread_condattr_init (pthread_condattr_t *attr)
	Initialise a condition variable attributes object with default values.

int	pthread_create (pthread_t ZRESTRICT thread, const pthread_attr_t ZRESTRICT attr, void (start_routine)(void ), void ZRESTRICT arg)
	Create a new thread.

int	pthread_detach (pthread_t thread)
	Detach a thread, releasing its resources automatically on termination.

int	pthread_equal (pthread_t t1, pthread_t t2)
	Compare two thread IDs.

void	pthread_exit (void *value_ptr)
	Terminate the calling thread.

void *	pthread_getspecific (pthread_key_t key)
	Get the thread-specific value associated with a key.

int	pthread_join (pthread_t thread, void **value_ptr)
	Wait for a thread to terminate and retrieve its exit status.

int	pthread_key_create (pthread_key_t key, void(destructor)(void *))
	Create a thread-specific data key.

int	pthread_key_delete (pthread_key_t key)
	Delete a thread-specific data key.

int	pthread_mutex_destroy (pthread_mutex_t *mutex)
	Destroy a mutex.

int	pthread_mutex_init (pthread_mutex_t ZRESTRICT mutex, const pthread_mutexattr_t ZRESTRICT attr)
	Initialise a mutex.

int	pthread_mutex_lock (pthread_mutex_t *mutex)
	Lock a mutex, blocking until it is available.

int	pthread_mutex_timedlock (pthread_mutex_t ZRESTRICT mutex, const struct timespec ZRESTRICT abstime)
	Lock a mutex with an absolute timeout.

int	pthread_mutex_trylock (pthread_mutex_t *mutex)
	Try to lock a mutex without blocking.

int	pthread_mutex_unlock (pthread_mutex_t *mutex)
	Unlock a mutex.

int	pthread_mutexattr_destroy (pthread_mutexattr_t *attr)
	Destroy a mutex attributes object.

int	pthread_mutexattr_init (pthread_mutexattr_t *attr)
	Initialise a mutex attributes object with default values.

int	pthread_once (pthread_once_t once_control, void(init_routine)(void))
	Ensure a one-time initialisation routine is called exactly once.

pthread_t	pthread_self (void)
	Return the thread ID of the calling thread.

int	pthread_setcancelstate (int state, int *oldstate)
	Set the cancellability state of the calling thread.

int	pthread_setcanceltype (int type, int *oldtype)
	Set the cancellability type of the calling thread.

int	pthread_setspecific (pthread_key_t key, const void *value)
	Set the thread-specific value associated with a key.

void	pthread_testcancel (void)
	Create a cancellation point in the calling thread.

int	sched_yield (void)
	Yield the processor to another thread of equal or higher priority.

Detailed Description

POSIX Threads Base option group.

Macro Definition Documentation

◆ PTHREAD_CANCEL_ASYNCHRONOUS

#define PTHREAD_CANCEL_ASYNCHRONOUS 1

Thread cancellation is performed immediately.

Definition at line 38 of file pthread.h.

◆ PTHREAD_CANCEL_DEFERRED

#define PTHREAD_CANCEL_DEFERRED 0

Cancellation is deferred until a cancellation point (default).

Definition at line 42 of file pthread.h.

◆ PTHREAD_CANCEL_DISABLE

#define PTHREAD_CANCEL_DISABLE 1

Cancellation delivery is disabled.

Definition at line 44 of file pthread.h.

◆ PTHREAD_CANCEL_ENABLE

#define PTHREAD_CANCEL_ENABLE 0

Cancellation is enabled (default).

Definition at line 40 of file pthread.h.

◆ PTHREAD_CANCELED

#define PTHREAD_CANCELED ((void *)-1)

Value returned by pthread_join() for a cancelled thread.

Definition at line 46 of file pthread.h.

◆ pthread_cleanup_pop

#define pthread_cleanup_pop ( _ex )

Value:

    k_thread_cleanup_pop(_ex);                                                                 \
    } /* enforce '}'-like behaviour */                                                         \
    while (0)

Pop a cleanup handler from the calling thread's cleanup stack.

Parameters

_ex	If non-zero, the handler is executed before being removed.

Note: This macro must be paired with pthread_cleanup_push() in the same lexical scope.

Definition at line 1209 of file pthread.h.

◆ pthread_cleanup_push

#define pthread_cleanup_push	(	_rtn,
		_arg
	)

Value:

    do /* enforce '{'-like behaviour */ {                                                      \
        void *_z_pthread_cleanup[3];                                                       \
    k_thread_cleanup_push(_z_pthread_cleanup, _rtn, _arg)

Push a cleanup handler onto the calling thread's cleanup stack.

The handler _rtn is called with _arg when the thread exits or calls pthread_cleanup_pop() with a non-zero argument.

Note: This macro must be paired with pthread_cleanup_pop() in the same lexical scope.

Definition at line 1195 of file pthread.h.

◆ PTHREAD_COND_INITIALIZER

#define PTHREAD_COND_INITIALIZER _PTHREAD_COND_INITIALIZER

Static initialiser for pthread_cond_t objects.

Definition at line 96 of file pthread.h.

◆ PTHREAD_CREATE_DETACHED

#define PTHREAD_CREATE_DETACHED 1

Thread is created in the detached state.

Definition at line 48 of file pthread.h.

◆ PTHREAD_CREATE_JOINABLE

#define PTHREAD_CREATE_JOINABLE 0

Thread is created in the joinable state (default).

Definition at line 50 of file pthread.h.

◆ PTHREAD_MUTEX_INITIALIZER

#define PTHREAD_MUTEX_INITIALIZER _PTHREAD_MUTEX_INITIALIZER

Static initialiser for pthread_mutex_t objects.

Definition at line 98 of file pthread.h.

◆ PTHREAD_ONCE_INIT

#define PTHREAD_ONCE_INIT _PTHREAD_ONCE_INITIALIZER

Static initialiser for pthread_once_t objects.

Definition at line 70 of file pthread.h.

◆ PTHREAD_PRIO_NONE

#define PTHREAD_PRIO_NONE 0

Mutex protocol: no priority inheritance or ceiling.

Definition at line 78 of file pthread.h.

Function Documentation

◆ pthread_attr_destroy()

int pthread_attr_destroy ( pthread_attr_t * attr )

Destroy a thread attributes object.

Parameters

attr	Thread attributes object to destroy.

Returns: 0 on success, or a positive error number on failure.

See also: https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_attr_destroy.html

◆ pthread_attr_getdetachstate()

int pthread_attr_getdetachstate	(	const pthread_attr_t *	attr,
		int *	detachstate
	)

Get the detach state attribute of a thread attributes object.

Parameters

attr	Thread attributes object.
detachstate	Output: `PTHREAD_CREATE_DETACHED` or `PTHREAD_CREATE_JOINABLE`.

Returns: 0 on success, or a positive error number on failure.

See also: https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_attr_getdetachstate.html

◆ pthread_attr_getschedparam()

int pthread_attr_getschedparam	(	const pthread_attr_t *ZRESTRICT	attr,
		struct sched_param *ZRESTRICT	param
	)

Get the scheduling parameter attribute of a thread attributes object.

Parameters

attr	Thread attributes object.
param	Output: scheduling parameters.

Returns: 0 on success, or a positive error number on failure.

See also: https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_attr_getschedparam.html

◆ pthread_attr_init()

int pthread_attr_init ( pthread_attr_t * attr )

Initialise a thread attributes object with default values.

Parameters

attr	Thread attributes object to initialise.

Returns: 0 on success, or a positive error number on failure.

See also: https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_attr_init.html

◆ pthread_attr_setdetachstate()

int pthread_attr_setdetachstate	(	pthread_attr_t *	attr,
		int	detachstate
	)

Set the detach state attribute of a thread attributes object.

Parameters

attr	Thread attributes object.
detachstate	`PTHREAD_CREATE_DETACHED` or `PTHREAD_CREATE_JOINABLE`.

Returns: 0 on success, or a positive error number on failure.

See also: https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_attr_setdetachstate.html

◆ pthread_attr_setschedparam()

int pthread_attr_setschedparam	(	pthread_attr_t *ZRESTRICT	attr,
		const struct sched_param *ZRESTRICT	param
	)

Set the scheduling parameter attribute of a thread attributes object.

Parameters

attr	Thread attributes object.
param	Scheduling parameters to apply.

Returns: 0 on success, or a positive error number on failure.

See also: https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_attr_setschedparam.html

◆ pthread_cancel()

int pthread_cancel ( pthread_t thread )

Send a cancellation request to a thread.

Parameters

thread Thread to cancel.

Returns: 0 on success, or a positive error number on failure.

See also: https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_cancel.html

◆ pthread_cond_broadcast()

int pthread_cond_broadcast ( pthread_cond_t * cond )

Broadcast a condition variable, waking all waiting threads.

Parameters

cond	Condition variable to broadcast.

Returns: 0 on success, or a positive error number on failure.

See also: https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_cond_broadcast.html

◆ pthread_cond_destroy()

int pthread_cond_destroy ( pthread_cond_t * cond )

Destroy a condition variable.

Parameters

cond	Condition variable to destroy.

Returns: 0 on success, or a positive error number on failure.

See also: https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_cond_destroy.html

◆ pthread_cond_init()

int pthread_cond_init	(	pthread_cond_t *ZRESTRICT	cond,
		const pthread_condattr_t *ZRESTRICT	attr
	)

Initialise a condition variable.

Parameters

cond	Condition variable to initialise.
attr	Condition variable attributes, or NULL for defaults.

Returns: 0 on success, or a positive error number on failure.

See also: https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_cond_init.html

◆ pthread_cond_signal()

int pthread_cond_signal ( pthread_cond_t * cond )

Signal a condition variable, waking at least one waiting thread.

Parameters

cond	Condition variable to signal.

Returns: 0 on success, or a positive error number on failure.

See also: https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_cond_signal.html

◆ pthread_cond_timedwait()

int pthread_cond_timedwait	(	pthread_cond_t *ZRESTRICT	cond,
		pthread_mutex_t *ZRESTRICT	mutex,
		const struct timespec *ZRESTRICT	abstime
	)

Wait on a condition variable with an absolute timeout (CLOCK_REALTIME).

Parameters

cond	Condition variable.
mutex	Associated mutex (must be locked by the caller).
abstime	Absolute timeout (CLOCK_REALTIME).

Returns: 0 on success, ETIMEDOUT on timeout, or a positive error number on failure.

See also: https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_cond_timedwait.html

◆ pthread_cond_wait()

int pthread_cond_wait	(	pthread_cond_t *ZRESTRICT	cond,
		pthread_mutex_t *ZRESTRICT	mutex
	)

Wait on a condition variable.

Parameters

cond	Condition variable.
mutex	Associated mutex (must be locked by the caller).

Returns: 0 on success, or a positive error number on failure.

See also: https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_cond_wait.html

◆ pthread_condattr_destroy()

int pthread_condattr_destroy ( pthread_condattr_t * attr )

Destroy a condition variable attributes object.

Parameters

attr	Condition variable attributes object to destroy.

Returns: 0 on success, or a positive error number on failure.

See also: https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_condattr_destroy.html

◆ pthread_condattr_init()

int pthread_condattr_init ( pthread_condattr_t * attr )

Initialise a condition variable attributes object with default values.

Parameters

attr	Condition variable attributes object to initialise.

Returns: 0 on success, or a positive error number on failure.

See also: https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_condattr_init.html

◆ pthread_create()

int pthread_create	(	pthread_t *ZRESTRICT	thread,
		const pthread_attr_t *ZRESTRICT	attr,
		void ()(void *)	start_routine,
		void *ZRESTRICT	arg
	)

Create a new thread.

Parameters

thread	Output: thread ID of the new thread.
attr	Thread attributes, or NULL for defaults.
start_routine	Thread entry point function.
arg	Argument passed to `start_routine`.

Returns: 0 on success, or a positive error number on failure.

See also: https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_create.html

◆ pthread_detach()

int pthread_detach ( pthread_t thread )

Detach a thread, releasing its resources automatically on termination.

Parameters

thread Thread to detach.

Returns: 0 on success, or a positive error number on failure.

See also: https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_detach.html

◆ pthread_equal()

int pthread_equal	(	pthread_t	t1,
		pthread_t	t2
	)

Compare two thread IDs.

Parameters

t1	First thread ID.
t2	Second thread ID.

Returns: Non-zero if t1 and t2 refer to the same thread, 0 otherwise.

See also: https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_equal.html

◆ pthread_exit()

void pthread_exit ( void * value_ptr )

Terminate the calling thread.

Parameters

value_ptr Value made available to pthread_join().

See also: https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_exit.html

◆ pthread_getspecific()

void * pthread_getspecific ( pthread_key_t key )

Get the thread-specific value associated with a key.

Parameters

key	Thread-specific data key.

Returns: Value associated with key for the calling thread, or NULL if none.

See also: https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_getspecific.html

◆ pthread_join()

int pthread_join	(	pthread_t	thread,
		void **	value_ptr
	)

Wait for a thread to terminate and retrieve its exit status.

Parameters

thread	Thread to wait for.
value_ptr	Output: exit value or `PTHREAD_CANCELED`.

Returns: 0 on success, or a positive error number on failure.

See also: https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_join.html

◆ pthread_key_create()

int pthread_key_create	(	pthread_key_t *	key,
		void()(void )	destructor
	)

Create a thread-specific data key.

Parameters

key	Output: new key.
destructor	Destructor called with the thread's value when the thread exits, or NULL.

Returns: 0 on success, or a positive error number on failure.

See also: https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_key_create.html

◆ pthread_key_delete()

int pthread_key_delete ( pthread_key_t key )

Delete a thread-specific data key.

Parameters

key	Key to delete.

Returns: 0 on success, or a positive error number on failure.

See also: https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_key_delete.html

◆ pthread_kill()

int pthread_kill	(	pthread_t	thread,
		int	sig
	)

Send a signal to a specific thread.

Parameters

thread	Target thread.
sig	Signal number, or 0 to check thread existence.

Returns: 0 on success, or a positive error number on failure.

See also: https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_kill.html

◆ pthread_mutex_destroy()

int pthread_mutex_destroy ( pthread_mutex_t * mutex )

Destroy a mutex.

Parameters

mutex Mutex to destroy.

Returns: 0 on success, or a positive error number on failure.

See also: https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_mutex_destroy.html

◆ pthread_mutex_init()

int pthread_mutex_init	(	pthread_mutex_t *ZRESTRICT	mutex,
		const pthread_mutexattr_t *ZRESTRICT	attr
	)

Initialise a mutex.

Parameters

mutex	Mutex to initialise.
attr	Mutex attributes, or NULL for defaults.

Returns: 0 on success, or a positive error number on failure.

See also: https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_mutex_init.html

◆ pthread_mutex_lock()

int pthread_mutex_lock ( pthread_mutex_t * mutex )

Lock a mutex, blocking until it is available.

Parameters

mutex Mutex to lock.

Returns: 0 on success, or a positive error number on failure.

See also: https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_mutex_lock.html

◆ pthread_mutex_timedlock()

int pthread_mutex_timedlock	(	pthread_mutex_t *ZRESTRICT	mutex,
		const struct timespec *ZRESTRICT	abstime
	)

Lock a mutex with an absolute timeout.

Parameters

mutex	Mutex to lock.
abstime	Absolute timeout (CLOCK_REALTIME).

Returns: 0 on success, ETIMEDOUT on timeout, or a positive error number on failure.

See also: https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_mutex_timedlock.html

◆ pthread_mutex_trylock()

int pthread_mutex_trylock ( pthread_mutex_t * mutex )

Try to lock a mutex without blocking.

Parameters

mutex Mutex to try to lock.

Returns: 0 if the lock was acquired, EBUSY if already locked, or a positive error number.

See also: https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_mutex_trylock.html

◆ pthread_mutex_unlock()

int pthread_mutex_unlock ( pthread_mutex_t * mutex )

Unlock a mutex.

Parameters

mutex Mutex to unlock.

Returns: 0 on success, or a positive error number on failure.

See also: https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_mutex_unlock.html

◆ pthread_mutexattr_destroy()

int pthread_mutexattr_destroy ( pthread_mutexattr_t * attr )

Destroy a mutex attributes object.

Parameters

attr	Mutex attributes object to destroy.

Returns: 0 on success, or a positive error number on failure.

See also: https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_mutexattr_destroy.html

◆ pthread_mutexattr_init()

int pthread_mutexattr_init ( pthread_mutexattr_t * attr )

Initialise a mutex attributes object with default values.

Parameters

attr	Mutex attributes object to initialise.

Returns: 0 on success, or a positive error number on failure.

See also: https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_mutexattr_init.html

◆ pthread_once()

int pthread_once	(	pthread_once_t *	once_control,
		void(*)(void)	init_routine
	)

Ensure a one-time initialisation routine is called exactly once.

Parameters

once_control	Pointer to a `pthread_once_t` initialised with `PTHREAD_ONCE_INIT`.
init_routine	Initialisation function to call at most once.

Returns: 0 on success, or a positive error number on failure.

See also: https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_once.html

◆ pthread_self()

pthread_t pthread_self ( void )

Return the thread ID of the calling thread.

Returns: Thread ID of the calling thread.

See also: https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_self.html

◆ pthread_setcancelstate()

int pthread_setcancelstate	(	int	state,
		int *	oldstate
	)

Set the cancellability state of the calling thread.

Parameters

state	`PTHREAD_CANCEL_ENABLE` or `PTHREAD_CANCEL_DISABLE`.
oldstate	Output: previous state, or NULL.

Returns: 0 on success, or a positive error number on failure.

See also: https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_setcancelstate.html

◆ pthread_setcanceltype()

int pthread_setcanceltype	(	int	type,
		int *	oldtype
	)

Set the cancellability type of the calling thread.

Parameters

type	`PTHREAD_CANCEL_DEFERRED` or `PTHREAD_CANCEL_ASYNCHRONOUS`.
oldtype	Output: previous type, or NULL.

Returns: 0 on success, or a positive error number on failure.

See also: https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_setcanceltype.html

◆ pthread_setspecific()

int pthread_setspecific	(	pthread_key_t	key,
		const void *	value
	)

Set the thread-specific value associated with a key.

Parameters

key	Thread-specific data key.
value	Value to associate with `key` for the calling thread.

Returns: 0 on success, or a positive error number on failure.

See also: https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_setspecific.html

◆ pthread_sigmask()

int pthread_sigmask	(	int	how,
		const sigset_t *ZRESTRICT	set,
		sigset_t *ZRESTRICT	oset
	)

Examine and change blocked signals for the calling thread.

Parameters

how	`SIG_BLOCK`, `SIG_UNBLOCK`, or `SIG_SETMASK`.
set	Signal set to apply, or NULL.
oset	Output: previous signal mask, or NULL.

Returns: 0 on success, or a positive error number on failure.

See also: https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_sigmask.html

◆ pthread_testcancel()

void pthread_testcancel ( void )

Create a cancellation point in the calling thread.

If cancellation is pending and enabled, this function does not return.

See also: https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_testcancel.html

◆ sched_yield()

int sched_yield ( void )

Yield the processor to another thread of equal or higher priority.

Returns: 0 on success, or -1 with errno set on failure.

See also: IEEE 1003.1, sched_yield; https://pubs.opengroup.org/onlinepubs/9699919799/functions/sched_yield.html

Macros

Functions

Detailed Description

Macro Definition Documentation

◆ PTHREAD_CANCEL_ASYNCHRONOUS

◆ PTHREAD_CANCEL_DEFERRED

◆ PTHREAD_CANCEL_DISABLE

◆ PTHREAD_CANCEL_ENABLE

◆ PTHREAD_CANCELED

◆ pthread_cleanup_pop

◆ pthread_cleanup_push

◆ PTHREAD_COND_INITIALIZER

◆ PTHREAD_CREATE_DETACHED

◆ PTHREAD_CREATE_JOINABLE

◆ PTHREAD_MUTEX_INITIALIZER

◆ PTHREAD_ONCE_INIT

◆ PTHREAD_PRIO_NONE

Function Documentation

◆ pthread_attr_destroy()

◆ pthread_attr_getdetachstate()

◆ pthread_attr_getschedparam()

◆ pthread_attr_init()

◆ pthread_attr_setdetachstate()

◆ pthread_attr_setschedparam()

◆ pthread_cancel()

◆ pthread_cond_broadcast()

◆ pthread_cond_destroy()

◆ pthread_cond_init()

◆ pthread_cond_signal()

◆ pthread_cond_timedwait()

◆ pthread_cond_wait()

◆ pthread_condattr_destroy()

◆ pthread_condattr_init()

◆ pthread_create()

◆ pthread_detach()

◆ pthread_equal()

◆ pthread_exit()

◆ pthread_getspecific()

◆ pthread_join()

◆ pthread_key_create()

◆ pthread_key_delete()

◆ pthread_kill()

◆ pthread_mutex_destroy()

◆ pthread_mutex_init()

◆ pthread_mutex_lock()

◆ pthread_mutex_timedlock()

◆ pthread_mutex_trylock()

◆ pthread_mutex_unlock()

◆ pthread_mutexattr_destroy()

◆ pthread_mutexattr_init()

◆ pthread_once()

◆ pthread_self()

◆ pthread_setcancelstate()

◆ pthread_setcanceltype()

◆ pthread_setspecific()

◆ pthread_sigmask()

◆ pthread_testcancel()

◆ sched_yield()