__TEST_AND_SET_BIT
Section: (9)
Updated: 06 August 2003
Index
Return to Main Contents
NAME
__test_and_set_bit - Set a bit and return its old value
SYNOPSIS
int __test_and_set_bit (int nr, volatile unsigned long * addr);
ARGUMENTS
- nr
-
Bit to set
- addr
-
Address to count from
DESCRIPTION
This operation is non-atomic and can be reordered.
If two examples of this operation race, one can appear to succeed
but actually fail. You must protect multiple accesses with a lock.
ABOUT THIS DOCUMENT
This documentation was generated with kernel version 2.6.0.
Index
- NAME
-
- SYNOPSIS
-
- ARGUMENTS
-
- DESCRIPTION
-
- ABOUT THIS DOCUMENT
-
This document was created by
man2html,
using the manual pages.
Time: 08:41:21 GMT, April 09, 2004