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Implement atomic_{set,clear,add,subtract}_{acq_,rel_,}_ptr()

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This commit is contained in:
jhb 2000-10-25 00:16:38 +00:00
parent 4bba355088
commit 4360a1ac6a
1 changed files with 26 additions and 12 deletions
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38
sys/ia64/include/atomic.h
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@ -266,18 +266,6 @@ IA64_ATOMIC(8, u_int64_t, subtract, 64, -)
#define atomic_add_rel_long atomic_add_rel_64
#define atomic_subtract_rel_long atomic_subtract_rel_64
static __inline void
atomic_set_ptr(volatile void *p, u_int64_t v)
{
atomic_set_64((volatile u_int64_t *) p, v);
}
static __inline void
atomic_clear_ptr(volatile void *p, u_int64_t v)
{
atomic_clear_64((volatile u_int64_t *) p, v);
}
/*
* Atomically compare the value stored at *p with cmpval and if the
* two values are equal, update the value of *p with newval. Returns
@ -349,6 +337,32 @@ atomic_store_rel_ptr(volatile void *p, void *v)
atomic_store_rel_long((volatile u_long *)p, (u_long)v);
}
#define ATOMIC_PTR(NAME) \
static __inline void \
atomic_##NAME##_ptr(volatile void *p, uintptr_t v) \
{ \
atomic_##NAME##_long((volatile u_long *)p, v); \
} \
\
static __inline void \
atomic_##NAME##_acq_ptr(volatile void *p, uintptr_t v) \
{ \
atomic_##NAME##_acq_long((volatile u_long *)p, v);\
} \
\
static __inline void \
atomic_##NAME##_rel_ptr(volatile void *p, uintptr_t v) \
{ \
atomic_##NAME##_rel_long((volatile u_long *)p, v);\
}
ATOMIC_PTR(set)
ATOMIC_PTR(clear)
ATOMIC_PTR(add)
ATOMIC_PTR(subtract)
#undef ATOMIC_PTR
static __inline u_int32_t
atomic_readandclear_32(volatile u_int32_t* p)
{