test_and_set_bit

Section: Kernel Hacker's Manual (9)
Updated: test_and_set_bit
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NAME

test_and_set_bit - Set a bit and return its old value  

SYNOPSIS

int test_and_set_bit (int nr, volatile void *addr);  

ARGUMENTS

nr

 Bit to set
addr

 Address to count from
 

DESCRIPTION

This operation is atomic and cannot be reordered. It also implies a memory barrier.


 

Index

NAME
SYNOPSIS
ARGUMENTS
DESCRIPTION

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Time: 03:15:46 GMT, June 12, 2005