IPC@CHIP® RTOS-PPC – API Documentation

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static DWORD atomicXor ( DWORD_ATOM ptr,
DWORD  bits 
) [inline, static]

This inline function provides a way to bitwise exclusive OR a 32 bit memory location in a thread safe manner.

The function performed atomically here is:

DWORD atomicXor( DWORD_ATOM *ptr, DWORD bits)
    *ptr ^= bits ;
    return *ptr ;
ptr Location to be decremented. This must be aligned on a DWORD boundary.
bits Bits to XOR against the value in the location.
Decremented count value.
See also:
atomicAdd() atomicModify() atomicReset() atomicSet() atomicReadWrite()
This function is not available in the SC1x, SC2x and SC1x3 C-Library.
SC2x3 n/a - CLIB V1.02

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