Files
bun.sh/src/bun.js/bindings/coroutine.cpp
2022-11-25 06:48:02 -08:00

42 lines
1.3 KiB
C++

#include "root.h"
// #include "mimalloc.h"
#include "JavaScriptCore/VM.h"
// #define MCO_API
// #define MCO_MALLOC mi_malloc
// #define MCO_FREE mi_free
// #define MCO_USE_ASM
// #define MINICORO_IMPL
// #include "minicoro.h"
typedef void* (*BunMacroFunction)();
// thread_local JSC::JSGlobalObject* globalObjectToUse;
// static void Bun__enterMacro(mco_coro* coro)
// {
// JSC::VM& vm = globalObjectToUse->vm();
// JSC::JSLockHolder lock(vm);
// reinterpret_cast<BunMacroFunction>(coro->user_data)();
// JSC::sanitizeStackForVM(vm);
// mco_yield(coro);
// }
// TODO: figure out how to make coroutines work properly
// We tried using minicoro (https://github.com/edubart/minicoro)
// but it crashes when entering/exiting JavaScriptCore in "sanitizeStackForVMImpl"
// I don't want to block the release on this seldom-used feature of Bun
// we will just have stack overflow-risky macros for now.
extern "C" void Bun__startMacro(BunMacroFunction ctx, JSC::JSGlobalObject* globalObject)
{
// globalObjectToUse = globalObject;
// JSC::JSLockHolder lock(globalObject->vm());
ctx();
// mco_coro* co;
// mco_desc desc = mco_desc_init(Bun__enterMacro, 1024 * 1024 * 2);
// desc.user_data = ctx;
// mco_result res = mco_create(&co, &desc);
// mco_resume(co);
// mco_destroy(co);
}