01-18-2012
thanx corona688, after your explanation i played around with it a bit and i get it now. it's pretty clear i was going a bit "too far" and over thinking it. i'll stick with my solution above but will keep your tutorial in mind for future reference!
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LEARN ABOUT OPENSOLARIS
atomic_set_long_excl
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)