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common: fiber: Use weak_ptr when yielding.

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- Avoids a memory leak, as taking a strong reference of the fiber here causes a circular reference.
- Supersedes #6006 with a more narrow fix.
This commit is contained in:
bunnei 2021-03-05 22:10:03 -08:00
parent 477adb196e
commit a5092f9918
2 changed files with 13 additions and 8 deletions
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2
src/common/fiber.h
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@ -41,7 +41,7 @@ public:
/// Yields control from Fiber 'from' to Fiber 'to'
/// Fiber 'from' must be the currently running fiber.
static void YieldTo(std::shared_ptr<Fiber> from, std::shared_ptr<Fiber> to);
static void YieldTo(std::weak_ptr<Fiber> weak_from, std::shared_ptr<Fiber> to);
[[nodiscard]] static std::shared_ptr<Fiber> ThreadToFiber();
void SetRewindPoint(std::function<void(void*)>&& rewind_func, void* rewind_param);