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OpenSolaris 2009.06 - man page for atomic_set_long_excl (opensolaris section 3c)

atomic_bits(3C) 					   Standard C Library Functions 					   atomic_bits(3C)

NAME
atomic_bits, atomic_set_long_excl, atomic_clear_long_excl - atomic set and clear bit operations
SYNOPSIS
#include <atomic.h> int atomic_set_long_excl(volatile ulong_t *target, uint_t bit); int atomic_clear_long_excl(volatile ulong_t *target, uint_t bit);
DESCRIPTION
The atomic_set_long_excl() and atomic_clear_long_excl() functions perform an exclusive atomic bit set or clear operation on target. The value of bit specifies the number of the bit to be modified within target. Bits are numbered from zero to one less than the maximum number of bits in a long. If the value of bit falls outside of this range, the result of the operation is undefined.
RETURN VALUES
The atomic_set_long_excl() and atomic_clear_long_excl() functions return 0 if bit was successfully set or cleared. They return -1 if bit was already set or cleared.
ERRORS
No errors are defined.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Stable | +-----------------------------+-----------------------------+ |MT-Level |MT-Safe | +-----------------------------+-----------------------------+
SEE ALSO
atomic_add(3C), atomic_and(3C), atomic_cas(3C), atomic_dec(3C), atomic_inc(3C), atomic_or(3C), atomic_swap(3C), membar_ops(3C), attributes(5), atomic_ops(9F) SunOS 5.11 13 May 2005 atomic_bits(3C)

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