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Add missing atomic functions

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These functions were not previous needed so they were not added.
Now they are so add the full set.

atomic_inc_32_nv()
atomic_dec_32_nv()
atomic_inc_64_nv()
atomic_dec_64_nv()
This commit is contained in:
Brian Behlendorf 2010-08-27 12:36:31 -07:00
parent 1db69544cc
commit 8dbd3fbd5e
1 changed files with 44 additions and 0 deletions
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44
include/sys/atomic.h
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@ -90,6 +90,26 @@ atomic_sub_32(volatile uint32_t *target, int32_t delta)
spin_unlock(&atomic32_lock);
}
static __inline__ uint32_t
atomic_inc_32_nv(volatile uint32_t *target)
{
spin_lock(&atomic32_lock);
(*target)++;
spin_unlock(&atomic32_lock);
return *target;
}
static __inline__ uint32_t
atomic_dec_32_nv(volatile uint32_t *target)
{
spin_lock(&atomic32_lock);
(*target)--;
spin_unlock(&atomic32_lock);
return *target;
}
static __inline__ uint32_t
atomic_add_32_nv(volatile uint32_t *target, uint32_t delta)
{
@ -158,6 +178,26 @@ atomic_sub_64(volatile uint64_t *target, uint64_t delta)
spin_unlock(&atomic64_lock);
}
static __inline__ uint64_t
atomic_inc_64_nv(volatile uint64_t *target)
{
spin_lock(&atomic64_lock);
(*target)++;
spin_unlock(&atomic64_lock);
return *target;
}
static __inline__ uint64_t
atomic_dec_64_nv(volatile uint64_t *target)
{
spin_lock(&atomic64_lock);
(*target)--;
spin_unlock(&atomic64_lock);
return *target;
}
static __inline__ uint64_t
atomic_add_64_nv(volatile uint64_t *target, uint64_t delta)
{
@ -200,6 +240,8 @@ atomic_cas_64(volatile uint64_t *target, uint64_t cmp,
#define atomic_dec_32(v) atomic_dec((atomic_t *)(v))
#define atomic_add_32(v, i) atomic_add((i), (atomic_t *)(v))
#define atomic_sub_32(v, i) atomic_sub((i), (atomic_t *)(v))
#define atomic_inc_32_nv(v) atomic_inc_return((atomic_t *)(v))
#define atomic_dec_32_nv(v) atomic_dec_return((atomic_t *)(v))
#define atomic_add_32_nv(v, i) atomic_add_return((i), (atomic_t *)(v))
#define atomic_sub_32_nv(v, i) atomic_sub_return((i), (atomic_t *)(v))
#define atomic_cas_32(v, x, y) atomic_cmpxchg((atomic_t *)(v), x, y)
@ -207,6 +249,8 @@ atomic_cas_64(volatile uint64_t *target, uint64_t cmp,
#define atomic_dec_64(v) atomic64_dec((atomic64_t *)(v))
#define atomic_add_64(v, i) atomic64_add((i), (atomic64_t *)(v))
#define atomic_sub_64(v, i) atomic64_sub((i), (atomic64_t *)(v))
#define atomic_inc_64_nv(v) atomic64_inc_return((atomic64_t *)(v))
#define atomic_dec_64_nv(v) atomic64_dec_return((atomic64_t *)(v))
#define atomic_add_64_nv(v, i) atomic64_add_return((i), (atomic64_t *)(v))
#define atomic_sub_64_nv(v, i) atomic64_sub_return((i), (atomic64_t *)(v))
#define atomic_cas_64(v, x, y) atomic64_cmpxchg((atomic64_t *)(v), x, y)