Futex Class Reference

#include <Futex.H>

Public Member Functions
	Futex ()
int	wait ()
int	waitVal (int val)
int	wake (int howMany)
int	wakeAll ()

Private Attributes
int	f
	The futex variable. More...

Detailed Description

Class to implement Futex signalling.

Definition at line 29 of file Futex.H.

Constructor & Destructor Documentation

Futex()

Futex::Futex ( )

inline

Definition at line 33 of file Futex.H.

Member Function Documentation

wait()

int Futex::wait ( )

inline

Wait on the wake signal (using the DEFAULT_START_VAL)

Returns

0 on success, or <0 on failure

Definition at line 40 of file Futex.H.

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waitVal()

int Futex::waitVal ( int  val )

inline

Wait on the wake signal or if val hasn't changed.

Parameters

val	The waiting value for f : if still this value, then wait

Returns

0 on success, or <0 on failure

Definition at line 48 of file Futex.H.

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wake()

int Futex::wake ( int  howMany )

inline

Wakes up threads in the wait method.

Parameters

howMany

INT_MAX for all, otherwise <INT_MAX for that many.

Returns

the number of waiters woken up or <0 on error

Definition at line 61 of file Futex.H.

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wakeAll()

int Futex::wakeAll ( )

inline

Wake all waiting threads.

Returns

the number of waiters woken up or <0 on error

Definition at line 72 of file Futex.H.

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Member Data Documentation

f

int Futex::f

private

The futex variable.

Definition at line 31 of file Futex.H.

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The documentation for this class was generated from the following file:

• /tmp/gtkiostream/include/Futex.H