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use stdatomic (#1317)

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云风
2021-01-11 10:54:34 +08:00
committed by GitHub
parent 284df5430b
commit b164e3a8a9
12 changed files with 201 additions and 138 deletions
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38
skynet-src/atomic.h
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@@ -1,14 +1,42 @@
#ifndef SKYNET_ATOMIC_H
#define SKYNET_ATOMIC_H
#ifdef NO_STDATOMIC
#define ATOM_BYTE unsigned char
#define ATOM_INT int
#define ATOM_POINTER void *
#define ATOM_SIZET size_t
#define ATOM_INIT(ptr, v) (*(ptr) = v)
#define ATOM_LOAD(ptr) (*(ptr))
#define ATOM_STORE(ptr, v) (*(ptr) = v)
#define ATOM_CAS(ptr, oval, nval) __sync_bool_compare_and_swap(ptr, oval, nval)
#define ATOM_CAS_POINTER(ptr, oval, nval) __sync_bool_compare_and_swap(ptr, oval, nval)
#define ATOM_INC(ptr) __sync_add_and_fetch(ptr, 1)
#define ATOM_FINC(ptr) __sync_fetch_and_add(ptr, 1)
#define ATOM_DEC(ptr) __sync_sub_and_fetch(ptr, 1)
#define ATOM_FDEC(ptr) __sync_fetch_and_sub(ptr, 1)
#define ATOM_ADD(ptr,n) __sync_add_and_fetch(ptr, n)
#define ATOM_SUB(ptr,n) __sync_sub_and_fetch(ptr, n)
#define ATOM_AND(ptr,n) __sync_and_and_fetch(ptr, n)
#define ATOM_FADD(ptr,n) __sync_fetch_and_add(ptr, n)
#define ATOM_FSUB(ptr,n) __sync_fetch_and_sub(ptr, n)
#define ATOM_FAND(ptr,n) __sync_fetch_and_and(ptr, n)
#else
#include <stdatomic.h>
#define ATOM_BYTE atomic_uchar
#define ATOM_INT atomic_int
#define ATOM_POINTER atomic_uintptr_t
#define ATOM_SIZET atomic_size_t
#define ATOM_INIT(ref, v) atomic_init(ref, v)
#define ATOM_LOAD(ptr) atomic_load(ptr)
#define ATOM_STORE(ptr, v) atomic_store(ptr, v)
#define ATOM_CAS(ptr, oval, nval) atomic_compare_exchange_weak(ptr, &(oval), nval)
#define ATOM_CAS_POINTER(ptr, oval, nval) atomic_compare_exchange_weak(ptr, &(oval), nval)
#define ATOM_FINC(ptr) atomic_fetch_add(ptr, 1)
#define ATOM_FDEC(ptr) atomic_fetch_sub(ptr, 1)
#define ATOM_FADD(ptr,n) atomic_fetch_add(ptr, n)
#define ATOM_FSUB(ptr,n) atomic_fetch_sub(ptr, n)
#define ATOM_FAND(ptr,n) atomic_fetch_and(ptr, n)
#endif
#endif