vrpn_Semaphore类 参考

Public 成员函数
	vrpn_Semaphore (int cNumResources=1)
	constructor - mutex by default (0 is a sync primitive)
	~vrpn_Semaphore ()
	destructor
bool	reset (int cNumResources=1)
	routine to reset it (true on success, false on failure) (may create new semaphore)
int	p ()
	Blocking acquire of resource. ("down")
int	v ()
	Release of resource. ("up")
int	condP ()
	Non-blocking attempt to acquire resource ("down")
int	numResources ()
	read values

构造及析构函数说明

vrpn_Semaphore()

vrpn_Semaphore

(

int

cNumResources = 1

)

constructor - mutex by default (0 is a sync primitive)

这是这个函数的调用关系图:

~vrpn_Semaphore()

~vrpn_Semaphore

(

)

destructor

成员函数说明

condP()

int condP

(

)

Non-blocking attempt to acquire resource ("down")

返回

0 if it could not access the resource and 1 if it could (-1 on fail)

numResources()

int numResources

(

)

read values

函数调用图:

p()

int p

(

)

Blocking acquire of resource. ("down")

返回

1 when it has acquired the resource, -1 on fail

reset()

bool reset

(

int

cNumResources = 1

)

routine to reset it (true on success, false on failure) (may create new semaphore)

v()

int v

(

)

Release of resource. ("up")

返回

0 when it has released the resource, -1 on fail

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该类的文档由以下文件生成:

• simulink/vrpn/vrpn_Thread.h