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common: Fiber: use a reference for YieldTo.

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- Fixes another small leak.
This commit is contained in:
bunnei 2021-03-07 13:46:53 -08:00
parent a5092f9918
commit e4b692bd16
5 changed files with 27 additions and 34 deletions
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12
src/common/fiber.cpp
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@ -116,16 +116,14 @@ void Fiber::Rewind() {
boost::context::detail::jump_fcontext(impl->rewind_context, this);
}
void Fiber::YieldTo(std::weak_ptr<Fiber> weak_from, std::shared_ptr<Fiber> to) {
ASSERT_MSG(to != nullptr, "Next fiber is null!");
void Fiber::YieldTo(std::weak_ptr<Fiber> weak_from, Fiber& to) {
to.impl->guard.lock();
to.impl->previous_fiber = weak_from.lock();
to->impl->guard.lock();
to->impl->previous_fiber = weak_from.lock();
auto transfer = boost::context::detail::jump_fcontext(to->impl->context, to.get());
auto transfer = boost::context::detail::jump_fcontext(to.impl->context, &to);
// "from" might no longer be valid if the thread was killed
if (auto from = weak_from.lock(); from != nullptr) {
if (auto from = weak_from.lock()) {
ASSERT(from->impl->previous_fiber != nullptr);
from->impl->previous_fiber->impl->context = transfer.fctx;
from->impl->previous_fiber->impl->guard.unlock();