atomic_swap_8 man page on SmartOS

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ATOMIC_SWAP(3C)						       ATOMIC_SWAP(3C)

NAME
       atomic_swap,    atomic_swap_8,	 atomic_swap_uchar,    atomic_swap_16,
       atomic_swap_ushort,	    atomic_swap_32,	     atomic_swap_uint,
       atomic_swap_ulong, atomic_swap_64, atomic_swap_ptr - atomic swap opera‐
       tions

SYNOPSIS
       #include <atomic.h>

       uint8_t atomic_swap_8(volatile uint8_t *target, uint8_t newval);

       uchar_t atomic_swap_uchar(volatile uchar_t *target, uchar_t newval);

       uint16_t atomic_swap_16(volatile uint16_t *target, uint16_t newval);

       ushort_t atomic_swap_ushort(volatile ushort_t *target, ushort_t newval);

       uint32_t atomic_swap_32(volatile uint32_t *target, uint32_t newval);

       uint_t atomic_swap_uint(volatile uint_t *target, uint_t newval);

       ulong_t atomic_swap_ulong(volatile ulong_t *target, ulong_t newval);

       uint64_t atomic_swap_64(volatile uint64_t *target, uint64_t newval);

       void *atomic_swap_ptr(volatile void *target, void *newval);

DESCRIPTION
       These functions enable a swap operation to occur atomically. The	 value
       stored  in target is replaced with newval. The old value is returned by
       the function.

RETURN VALUES
       These functions return the old of *target.

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_bits(3C),    atomic_dec(3C),
       atomic_inc(3C),	  atomic_or(3C),    atomic_cas(3C),    membar_ops(3C),
       attributes(5), atomic_ops(9F)

				 May 13, 2005		       ATOMIC_SWAP(3C)
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