---

GLAST/LAT > DAQ and FSW > FSW > Doxygen Index > PBS / V2-10-11

Constituent: pbs     Tag: linux-gcc

---

         

---

SEM.ih.px-xxx-xxx File Reference

Simple semaphore, POSIX platform dependent inline implementation. More...

#include "PBS/MBA.h"
#include "PBS/SEM.h"
#include <semaphore.h>

Include dependency graph for SEM.ih.px-xxx-xxx:

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 acquired.
unsigned int	SEM__give (SEM semaphore)
	Gives the semaphore.
unsigned int	SEM__destroy (SEM semaphore)
	Destroys the semaphore.

---

Detailed Description

Simple semaphore, POSIX platform dependent inline implementation.

Author:

JJRussell - russell@slac.stanford.edu

    CVS $Id: SEM.ih.px-xxx-xxx,v 1.3 2004/12/07 16:13:08 russell Exp $

This implementation uses the REAL-TIME extensions

---

Function Documentation

SEM SEM__create (  unsigned int  options  )

Creates a semaphore. Returns: Status 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 acquired. Parameters: semaphore  The semamphore to take

---