Query: __test_and_clear_bit
OS: suse
Section: 9
Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar
__TEST_AND_CLEAR_BIT(9) Basic C Library Functions __TEST_AND_CLEAR_BIT(9)NAME__test_and_clear_bit - Clear a bit and return its old valueSYNOPSISint __test_and_clear_bit(int nr, volatile unsigned long * addr);ARGUMENTSnr Bit to clear addr Address to count fromDESCRIPTIONThis 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.COPYRIGHTKernel Hackers Manual 2.6. July 2010 __TEST_AND_CLEAR_BIT(9)
Related Man Pages |
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atomic_cas_32(3) - netbsd |
atomic_cas_64(3) - netbsd |
atomic_cas_ulong_ni(3) - netbsd |
atomic_dec(3) - netbsd |
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