INT.ih.vx-xxx-xxx File Reference

Implements the PPC/GCC version of the inline INT (interrupt) routines. More...

#include <intLib.h>

Functions
INT__EXP_FNC int	INT__context (void)
	Return non-zero if a interrupt level.
INT__EXP_FNC int	INT__lock (void)
	Locks interrupts.
INT__EXP_FNC void	INT__unlock (int key)
	Unlocks the interrrupts.

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Detailed Description

Implements the PPC/GCC version of the inline INT (interrupt) routines.

Author:

JJRussell - russell@slac.stanford.edu

    CVS $Id: INT.ih.vx-xxx-xxx,v 1.1.1.1 2006/02/10 21:45:37 saxton Exp $

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Function Documentation

INT__EXP_FNC int INT__context

(

void

)

Return non-zero if a interrupt level.

Return values:

	!=	0, if at interrupt level
	==	0, if not at interrupt level (i.e. at task level)

INT__EXP_FNC int INT__lock

(

void

)

Locks interrupts.

Return values:

A

key to be passed to the INT__unlock routine

Referenced by LSU_atomicCalc(), LSU_atomicScale(), RW__lock(), RW__lock2(), RW__tmr_lock(), RW__tmr_wait(), and RW__wait().

INT__EXP_FNC void INT__unlock

(

int

key

)

Unlocks the interrrupts.

Parameters:

key

The key to unlock the interrupt. This is the return value of INT_lock().

Referenced by LSU_atomicCalc(), LSU_atomicScale(), RW__tmr_unlock(), RW__unlock(), RW__unlock2(), and RW__wait().