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GLAST/LAT > DAQ and FSW > FSW > Doxygen Index > PBS / V2-11-0

Constituent: pbs     Tag: rad750

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SEM.h File Reference

Simple semaphore, interface definition. More...

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Functions
SEM	SEM_create (unsigned int options)
	Creates a semaphore.
unsigned int	SEM_takeW (SEM semaphore)
	Takes the semaphore. This call will block until the semaphore can be taken.
unsigned int	SEM_give (SEM semaphore)
	Gives the semaphore.
unsigned int	SEM_destroy (SEM semaphore)
	Destroys the semaphore.

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Detailed Description

Simple semaphore, interface definition.

Author:

JJRussell - russell@slac.stanford.edu

    CVS $Id: SEM.h,v 1.2 2004/12/07 16:13:05 russell Exp $

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Function Documentation

SEM SEM_create (  unsigned int  options  )

Creates a semaphore. Return values: NON-NULL  A pointer to the created semaphore NULL  Error in the creation Parameters: options  A bit mask of options formed from the enumeration SEM_OPTIONS_M

unsigned int SEM_destroy (  SEM  semaphore  )

Destroys the semaphore. Parameters: semaphore  The semaphore to destroy

unsigned int SEM_give (  SEM  semaphore  )

Gives the semaphore. Parameters: semaphore  The semaphore to give

unsigned int SEM_takeW (  SEM  semaphore  )

Takes the semaphore. This call will block until the semaphore can be taken. Parameters: semaphore  The semaphore to take

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