atomic_swap_32 man page on OpenIndiana
[printable version]
atomic_swap(3C) Standard C Library Functions 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 │Committed │
├─────────────────────────────┼─────────────────────────────┤
│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)
SunOS 5.11 13 May 2005 atomic_swap(3C)
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