TEST_AND_SET_BIT_LOC(9) Basic C Library Functions TEST_AND_SET_BIT_LOC(9)NAMEtest_and_set_bit_lock - Set a bit and return its old value for lockSYNOPSISint test_and_set_bit_lock(int nr, volatile unsigned long * addr);ARGUMENTSnr Bit to set addr Address to count fromDESCRIPTIONThis is the same as test_and_set_bit on x86.COPYRIGHTKernel Hackers Manual 2.6. July 2010 TEST_AND_SET_BIT_LOC(9)