pthread.h File Reference

#include <sys/types.h>

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Typedefs
typedef pid_t	pthread_t
	Represents a thread.
typedef int	pthread_attr_t
	Created as dummy.
typedef int	pthread_spinlock_t
	Represents a spinlock.

Functions
int	pthread_create (pthread_t *restrict thread, const pthread_attr_t *restrict attr, void *(*start_routine)(void *), void *restrict arg)
void	pthread_exit (void *value_ptr)
int	pthread_spin_init (pthread_spinlock_t *lock, int pshared)
int	pthread_spin_lock (pthread_spinlock_t *lock)
int	pthread_spin_unlock (pthread_spinlock_t *lock)
int	pthread_spin_destroy (pthread_spinlock_t *lock)

Function Documentation

pthread_create()

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

Create a thread in the current process

Parameters

thread	A pointer to a pthread_t where the created thread will be placed
attr	Either a pointer to a thread attribute structure, or NULL, in which case the default attributes will be used
start_routine	The start function of the thread
arg	An arhument to the start function

Returns

0 if creation was sucsessful, 1 otherwise

pthread_exit()

void pthread_exit

(

void *

value_ptr

)

Terminate the current thread

Parameters

value_ptr

A pointer that when other threads in the process join on the current thread, they will recieve. (not implemented)

pthread_spin_destroy()

int pthread_spin_destroy

(

pthread_spinlock_t *

lock

)

Destroys a spin lock

Parameters

lock	The spinlock to destroy

Returns

0 on success, 1 on failure

pthread_spin_init()

int pthread_spin_init	(	pthread_spinlock_t *	lock,
		int	pshared
	)

Initializes a spin lock

Parameters

lock	The spinlock to initialize
pshared	Unused

Returns

0 on success, 1 on failure

pthread_spin_lock()

int pthread_spin_lock

(

pthread_spinlock_t *

lock

)

Locks a spin lock

Parameters

lock	The spinlock to lock

Returns

0 on success, 1 on failure

pthread_spin_unlock()

int pthread_spin_unlock

(

pthread_spinlock_t *

lock

)

Unlocks a spin lock

Parameters

lock	The spinlock to unlock

Returns

0 on success, 1 on failure