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Common/Fiber: Implement Rewinding.

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This commit is contained in:
Fernando Sahmkow
2020-02-27 16:32:47 -04:00
parent 41013381d6
commit 137d862d9b
3 changed files with 84 additions and 2 deletions
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8
src/common/fiber.h
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@ -46,6 +46,10 @@ public:
static void YieldTo(std::shared_ptr<Fiber> from, std::shared_ptr<Fiber> to);
static std::shared_ptr<Fiber> ThreadToFiber();
void SetRewindPoint(std::function<void(void*)>&& rewind_func, void* start_parameter);
void Rewind();
/// Only call from main thread's fiber
void Exit();
@ -58,8 +62,10 @@ private:
Fiber();
#if defined(_WIN32) || defined(WIN32)
void onRewind();
void start();
static void FiberStartFunc(void* fiber_parameter);
static void RewindStartFunc(void* fiber_parameter);
#else
void start(boost::context::detail::transfer_t& transfer);
static void FiberStartFunc(boost::context::detail::transfer_t transfer);
@ -69,6 +75,8 @@ private:
SpinLock guard{};
std::function<void(void*)> entry_point{};
std::function<void(void*)> rewind_point{};
void* rewind_parameter{};
void* start_parameter{};
std::shared_ptr<Fiber> previous_fiber{};
std::unique_ptr<FiberImpl> impl;