Packages

niffler

0.3.2
0.3.4 0.3.3 0.3.2 0.3.1 0.3.0 0.1.11

Just-In-Time nif generator, FFI generator, C-compiler based on TinyCC. For Linux, MacOS, Windows (msys2)

HexDocs

Current section

Files

Jump to
Readme
6 Versions
1 Dependency
Dependants
Files
Activity
niffler c_src tinycc lib atomic.h
Raw

c_src/tinycc/lib/atomic.h 

#pragma once



#include <stdbool.h>

#include <stdint.h>



#define ATOMIC_GEN_OP(TYPE, MODE, NAME, OP) \

    TYPE __atomic_##NAME##_##MODE(_Atomic(TYPE) *atom, TYPE value) \

    { \

        TYPE xchg; \

        TYPE cmp = __atomic_load(atom, __ATOMIC_RELAXED); \

        do { \

            xchg = (OP); \

        } while (!__atomic_compare_exchange(atom, &cmp, xchg, true, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)); \

        return cmp; \

    }



#ifndef ATOMIC_EXCHANGE

#    define ATOMIC_EXCHANGE(TYPE, MODE)     ATOMIC_GEN_OP(TYPE, MODE, exchange, value)

#endif



#ifndef ATOMIC_FETCH_ADD

#    define ATOMIC_FETCH_ADD(TYPE, MODE)    ATOMIC_GEN_OP(TYPE, MODE, fetch_add, (cmp + value))

#endif



#ifndef ATOMIC_FETCH_SUB

#    define ATOMIC_FETCH_SUB(TYPE, MODE)    ATOMIC_GEN_OP(TYPE, MODE, fetch_sub, (cmp - value))

#endif



#ifndef ATOMIC_FETCH_AND

#    define ATOMIC_FETCH_AND(TYPE, MODE)    ATOMIC_GEN_OP(TYPE, MODE, fetch_and, (cmp & value))

#endif



#ifndef ATOMIC_FETCH_OR

#    define ATOMIC_FETCH_OR(TYPE, MODE)     ATOMIC_GEN_OP(TYPE, MODE, fetch_or, (cmp | value))

#endif



#ifndef ATOMIC_FETCH_XOR

#    define ATOMIC_FETCH_XOR(TYPE, MODE)    ATOMIC_GEN_OP(TYPE, MODE, fetch_xor, (cmp ^ value))

#endif