cond.h File Reference

Thread subsystem V. More...

#include <gctypes.h>
#include <time.h>

Macros
#define	LWP_COND_NULL   0xffffffff

Typedefs
typedef u32	cond_t
	typedef for the condition variable handle

Functions
s32	LWP_CondBroadcast (cond_t cond)
	Broadcast all threads waiting on this condition variable to wake up. More...
s32	LWP_CondDestroy (cond_t cond)
	Destroy condition variable, release all threads and handles blocked on that condition variable. More...
s32	LWP_CondInit (cond_t *cond)
	Initialize condition variable. More...
s32	LWP_CondSignal (cond_t cond)
	Signal a specific thread waiting on this condition variable to wake up. More...
s32	LWP_CondTimedWait (cond_t cond, mutex_t mutex, const struct timespec *abstime)
	Timed wait on a conditionvariable. More...
s32	LWP_CondWait (cond_t cond, mutex_t mutex)
	Wait on condition variable. More...

Detailed Description

Thread subsystem V.

Function Documentation

LWP_CondBroadcast()

s32 LWP_CondBroadcast

(

cond_t

cond

)

Broadcast all threads waiting on this condition variable to wake up.

Parameters

[in]

cond

handle to the cond_t structure

Returns

0 on success, <0 on error

LWP_CondDestroy()

s32 LWP_CondDestroy

(

cond_t

cond

)

Destroy condition variable, release all threads and handles blocked on that condition variable.

Parameters

[in]

cond

handle to the cond_t structure

Returns

0 on success, <0 on error

LWP_CondInit()

s32 LWP_CondInit

(

cond_t *

cond

)

Initialize condition variable.

Parameters

[out]

cond

pointer to the cond_t handle

Returns

0 on success, <0 on error

LWP_CondSignal()

s32 LWP_CondSignal

(

cond_t

cond

)

Signal a specific thread waiting on this condition variable to wake up.

Parameters

[in]

cond

handle to the cond_t structure

Returns

0 on success, <0 on error

LWP_CondTimedWait()

s32 LWP_CondTimedWait	(	cond_t	cond,
		mutex_t	mutex,
		const struct timespec *	abstime
	)

Timed wait on a conditionvariable.

Parameters

[in]	cond	handle to the cond_t structure
[in]	mutex	handle to the mutex_t structure
[in]	abstime	pointer to a timespec structure holding the abs time for the timeout.

Returns

0 on success, <0 on error

LWP_CondWait()

s32 LWP_CondWait	(	cond_t	cond,
		mutex_t	mutex
	)

Wait on condition variable.

Parameters

[in]	cond	handle to the cond_t structure
[in]	mutex	handle to the mutex_t structure

Returns

0 on success, <0 on error