Mergul
946fbf2934
*updated build scripts *removed tls variables from code (needed to support WebAssembly) *some mmutils tweaks *some fixes *pthread TLS thread ID implementation -added Atomic file (reimplementation of atomics templates for emscripten) -added emscripten support to ecs.std
88 lines
No EOL
4.7 KiB
D
88 lines
No EOL
4.7 KiB
D
module ecs.atomic;
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version(Emscripten)version = ECSEmscripten;
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version(ECSEmscripten)
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{
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import std.traits;
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enum MemoryOrder
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{
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acq,
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acq_rel,
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raw,
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rel,
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seq
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}
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extern(C) ubyte emscripten_atomic_cas_u8(void *addr, ubyte oldVal, ubyte newVal) @nogc nothrow pure;
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extern(C) ushort emscripten_atomic_cas_u16(void *addr, ushort oldVal, ushort newVal) @nogc nothrow pure;
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extern(C) uint emscripten_atomic_cas_u32(void *addr, uint oldVal, uint newVal) @nogc nothrow pure;
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extern(C) ubyte emscripten_atomic_load_u8(const void *addr) @nogc nothrow pure;
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extern(C) ushort emscripten_atomic_load_u16(const void *addr) @nogc nothrow pure;
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extern(C) uint emscripten_atomic_load_u32(const void *addr) @nogc nothrow pure;
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extern(C) ubyte emscripten_atomic_store_u8(void *addr, ubyte val) @nogc nothrow pure;
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extern(C) ushort emscripten_atomic_store_u16(void *addr, ushort val) @nogc nothrow pure;
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extern(C) uint emscripten_atomic_store_u32(void *addr, uint val) @nogc nothrow pure;
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extern(C) ubyte emscripten_atomic_add_u8(void *addr, ubyte val) @nogc nothrow pure;
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extern(C) ushort emscripten_atomic_add_u16(void *addr, ushort val) @nogc nothrow pure;
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extern(C) uint emscripten_atomic_add_u32(void *addr, uint val) @nogc nothrow pure;
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extern(C) ubyte emscripten_atomic_sub_u8(void *addr, ubyte val) @nogc nothrow pure;
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extern(C) ushort emscripten_atomic_sub_u16(void *addr, ushort val) @nogc nothrow pure;
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extern(C) uint emscripten_atomic_sub_u32(void *addr, uint val) @nogc nothrow pure;
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pure nothrow @nogc Unqual!T atomicOp(string op, T, V1)(ref shared T val, V1 mod)
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{
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static if(op == "+=")
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{
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static if(is(T == byte) || is(T == ubyte))return cast(Unqual!T)(emscripten_atomic_add_u8(cast(void*)&val, cast(Unqual!T)mod) + 1);
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else static if(is(T == short) || is(T == ushort))return cast(Unqual!T)(emscripten_atomic_add_u16(cast(void*)&val, cast(Unqual!T)mod) + 1);
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else static if(is(T == int) || is(T == uint))return cast(Unqual!T)(emscripten_atomic_add_u32(cast(void*)&val, cast(Unqual!T)mod) + 1);
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else static assert(0);
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}
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else static if(op == "-=")
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{
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static if(is(T == byte) || is(T == ubyte))return cast(Unqual!T)(emscripten_atomic_sub_u8(cast(void*)&val, cast(Unqual!T)mod) - 1);
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else static if(is(T == short) || is(T == ushort))return cast(Unqual!T)(emscripten_atomic_sub_u16(cast(void*)&val, cast(Unqual!T)mod) - 1);
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else static if(is(T == int) || is(T == uint))return cast(Unqual!T)(emscripten_atomic_sub_u32(cast(void*)&val, cast(Unqual!T)mod) - 1);
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else static assert(0);
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}
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}
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pure nothrow @nogc @trusted void atomicStore(MemoryOrder ms = MemoryOrder.seq, T, V)(ref T val, V newval)
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{
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alias UT = Unqual!T;
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static if(is(UT == bool) || is(UT == byte) || is(UT == ubyte))emscripten_atomic_store_u8(cast(void*)&val, cast(UT)newval);
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else static if(is(UT == short) || is(UT == ushort))emscripten_atomic_store_u16(cast(void*)&val, cast(UT)newval);
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else static if(is(UT == int) || is(UT == uint))emscripten_atomic_store_u32(cast(void*)&val, cast(UT)newval);
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else static assert(0);
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}
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pure nothrow @nogc @trusted T atomicLoad(MemoryOrder ms = MemoryOrder.seq, T)(ref const T val)
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{
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alias UT = Unqual!T;
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static if(is(UT == bool))return emscripten_atomic_load_u8(cast(const void*)&val) != 0;
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else static if(is(UT == byte) || is(UT == ubyte))return emscripten_atomic_load_u8(cast(const void*)&val);
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else static if(is(UT == short) || is(UT == ushort))return emscripten_atomic_load_u16(cast(const void*)&val);
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else static if(is(UT == int) || is(UT == uint))return emscripten_atomic_load_u32(cast(const void*)&val);
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else static assert(0);
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}
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pure nothrow @nogc @trusted bool cas(MemoryOrder succ = MemoryOrder.seq, MemoryOrder fail = MemoryOrder.seq, T, V1, V2)(T* here, V1 ifThis, V2 writeThis)
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{
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alias UT = Unqual!T;
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static if(is(UT == bool))return emscripten_atomic_cas_u8(cast(void*)here, cast(Unqual!T)ifThis, cast(Unqual!T)writeThis) == ifThis;
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else static if(is(UT == byte) || is(UT == ubyte))return emscripten_atomic_cas_u8(cast(void*)here, cast(Unqual!T)ifThis, cast(Unqual!T)writeThis) == ifThis;
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else static if(is(UT == short) || is(UT == ushort))return emscripten_atomic_cas_u16(cast(void*)here, cast(Unqual!T)ifThis, cast(Unqual!T)writeThis) == ifThis;
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else static if(is(UT == int) || is(UT == uint))return emscripten_atomic_cas_u32(cast(void*)here, cast(Unqual!T)ifThis, cast(Unqual!T)writeThis) == ifThis;
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else static assert(0);
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}
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}
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else
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{
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public import core.atomic;
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} |