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base: support for 64-bit atomic increment/decrement

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This commit is contained in:
Luke Howard
2023-01-07 10:53:06 +11:00
parent 8fcf05ac2e
commit 8c25c0d46a
3 changed files with 66 additions and 45 deletions
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85
lib/base/heimbase-atomics.h
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@@ -36,6 +36,8 @@
#ifndef HEIM_BASE_ATOMICS_H
#define HEIM_BASE_ATOMICS_H 1
#include <stdint.h>
/*
* Atomic operations
*/
@@ -50,10 +52,10 @@
#define heim_base_atomic(T) _Atomic(T)
#define heim_base_atomic_inc(x) (atomic_fetch_add((x), 1) + 1)
#define heim_base_atomic_dec(x) (atomic_fetch_sub((x), 1) - 1)
#define heim_base_atomic_integer_type heim_base_atomic(unsigned int)
#define heim_base_atomic_integer_max UINT_MAX
#define heim_base_atomic_inc_32(x) (atomic_fetch_add((x), 1) + 1)
#define heim_base_atomic_dec_32(x) (atomic_fetch_sub((x), 1) - 1)
#define heim_base_atomic_inc_64(x) (atomic_fetch_add((x), 1) + 1)
#define heim_base_atomic_dec_64(x) (atomic_fetch_sub((x), 1) - 1)
#define heim_base_exchange_pointer(t,v) atomic_exchange((t), (v))
#define heim_base_exchange_32(t,v) atomic_exchange((t), (v))
@@ -63,10 +65,10 @@
#define heim_base_atomic_barrier() __sync_synchronize()
#define heim_base_atomic_inc(x) __sync_add_and_fetch((x), 1)
#define heim_base_atomic_dec(x) __sync_sub_and_fetch((x), 1)
#define heim_base_atomic_integer_type unsigned int
#define heim_base_atomic_integer_max UINT_MAX
#define heim_base_atomic_inc_32(x) __sync_add_and_fetch((x), 1)
#define heim_base_atomic_dec_32(x) __sync_sub_and_fetch((x), 1)
#define heim_base_atomic_inc_64(x) __sync_add_and_fetch((x), 1)
#define heim_base_atomic_dec_64(x) __sync_sub_and_fetch((x), 1)
#ifndef __has_builtin
#define __has_builtin(x) 0
@@ -94,14 +96,16 @@ static inline void __heim_base_atomic_barrier(void)
#define heim_base_atomic_barrier() __heim_base_atomic_barrier()
#define heim_base_atomic_inc(x) atomic_inc_uint_nv((volatile uint_t *)(x))
#define heim_base_atomic_dec(x) atomic_dec_uint_nv((volatile uint_t *)(x))
#define heim_base_atomic_integer_type uint_t
#define heim_base_atomic_integer_max UINT_MAX
#define heim_base_atomic(T) volatile T
#define heim_base_exchange_pointer(t,v) atomic_swap_ptr((volatile void *)(t), (void *)(v))
#define heim_base_exchange_32(t,v) atomic_swap_32((volatile uint32_t *)(t), (v))
#define heim_base_exchange_64(t,v) atomic_swap_64((volatile uint64_t *)(t), (v))
#define heim_base_atomic_inc_32(x) atomic_inc_32_nv((x))
#define heim_base_atomic_dec_32(x) atomic_dec_32_nv((x))
#define heim_base_atomic_inc_64(x) atomic_inc_64_nv((x))
#define heim_base_atomic_dec_64(x) atomic_dec_64_nv((x))
#define heim_base_exchange_pointer(t,v) atomic_swap_ptr((t), (void *)(v))
#define heim_base_exchange_32(t,v) atomic_swap_32((t), (v))
#define heim_base_exchange_64(t,v) atomic_swap_64((t), (v))
#elif defined(_AIX)
@@ -109,10 +113,10 @@ static inline void __heim_base_atomic_barrier(void)
#define heim_base_atomic_barrier() __isync()
#define heim_base_atomic_inc(x) (fetch_and_addlp((atomic_l)(x), 1) + 1)
#define heim_base_atomic_dec(x) (fetch_and_addlp((atomic_l)(x), -1) - 1)
#define heim_base_atomic_integer_type long
#define heim_base_atomic_integer_max LONG_MAX
#define heim_base_atomic_inc_32(x) (fetch_and_add((atomic_p)(x), 1) + 1)
#define heim_base_atomic_dec_32(x) (fetch_and_add((atomic_p)(x), -1) - 1)
#define heim_base_atomic_inc_64(x) (fetch_and_addlp((atomic_l)(x), 1) + 1)
#define heim_base_atomic_dec_64(x) (fetch_and_addlp((atomic_l)(x), -1) - 1)
static inline void *
heim_base_exchange_pointer(void *p, void *newval)
@@ -151,10 +155,10 @@ heim_base_exchange_64(uint64_t *p, uint64_t newval)
#define heim_base_atomic_barrier() MemoryBarrier()
#define heim_base_atomic_inc(x) InterlockedIncrement(x)
#define heim_base_atomic_dec(x) InterlockedDecrement(x)
#define heim_base_atomic_integer_type LONG
#define heim_base_atomic_integer_max MAXLONG
#define heim_base_atomic_inc_32(x) InterlockedIncrement(x)
#define heim_base_atomic_dec_32(x) InterlockedDecrement(x)
#define heim_base_atomic_inc_64(x) InterlockedIncrement64(x)
#define heim_base_atomic_dec_64(x) InterlockedDecrement64(x)
#define heim_base_exchange_pointer(t,v) InterlockedExchangePointer((PVOID volatile *)(t), (PVOID)(v))
#define heim_base_exchange_32(t,v) ((ULONG)InterlockedExchange((LONG volatile *)(t), (LONG)(v)))
@@ -167,23 +171,40 @@ heim_base_exchange_64(uint64_t *p, uint64_t newval)
#define HEIM_BASE_NEED_ATOMIC_MUTEX 1
extern HEIMDAL_MUTEX _heim_base_mutex;
#define heim_base_atomic_integer_type unsigned int
#define heim_base_atomic_integer_max UINT_MAX
static inline heim_base_atomic_integer_type
heim_base_atomic_inc(heim_base_atomic_integer_type *x)
static inline uint32_t
heim_base_atomic_inc_32(uint32_t *x)
{
heim_base_atomic_integer_type t;
uint32_t t;
HEIMDAL_MUTEX_lock(&_heim_base_mutex);
t = ++(*x);
HEIMDAL_MUTEX_unlock(&_heim_base_mutex);
return t;
}
static inline heim_base_atomic_integer_type
heim_base_atomic_dec(heim_base_atomic_integer_type *x)
static inline uint32_t
heim_base_atomic_dec_32(uint32_t *x)
{
heim_base_atomic_integer_type t;
uint32_t t;
HEIMDAL_MUTEX_lock(&_heim_base_mutex);
t = --(*x);
HEIMDAL_MUTEX_unlock(&_heim_base_mutex);
return t;
}
static inline uint64_t
heim_base_atomic_inc_64(uint64_t *x)
{
uint64_t t;
HEIMDAL_MUTEX_lock(&_heim_base_mutex);
t = ++(*x);
HEIMDAL_MUTEX_unlock(&_heim_base_mutex);
return t;
}
static inline uint64_t
heim_base_atomic_dec_64(uint64_t *x)
{
uint64_t t;
HEIMDAL_MUTEX_lock(&_heim_base_mutex);
t = --(*x);
HEIMDAL_MUTEX_unlock(&_heim_base_mutex);