centos man page for test_and_set_bit_lock

TEST_AND_SET_BIT_LOC(9) 				     Basic C Library Functions					   TEST_AND_SET_BIT_LOC(9)

NAME
       test_and_set_bit_lock - Set a bit and return its old value for lock

SYNOPSIS
       int test_and_set_bit_lock(int nr, volatile unsigned long * addr);

ARGUMENTS
       nr
	   Bit to set

       addr
	   Address to count from

DESCRIPTION
       This is the same as test_and_set_bit on x86.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						   TEST_AND_SET_BIT_LOC(9)