Bit Operations
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Chapter 2. Basic C Library Functions
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Bit Operations
set_bit
- Atomically set a bit in memory
__set_bit
- Set a bit in memory
clear_bit
- Clears a bit in memory
__change_bit
- Toggle a bit in memory
change_bit
- Toggle a bit in memory
test_and_set_bit
- Set a bit and return its old value
test_and_set_bit_lock
- Set a bit and return its old value for lock
__test_and_set_bit
- Set a bit and return its old value
test_and_clear_bit
- Clear a bit and return its old value
__test_and_clear_bit
- Clear a bit and return its old value
test_and_change_bit
- Change a bit and return its old value
test_bit
- Determine whether a bit is set
__ffs
- find first set bit in word
ffz
- find first zero bit in word
ffs
- find first set bit in word
fls
- find last set bit in word