48d9363fa7
- undeclared variable warning. - unreachable-code-return warnings. - array-parameter, mismatch bound. - 'requires' is a keyword in C++20, (rename to requires_flag).
51 lines
1.1 KiB
C++
51 lines
1.1 KiB
C++
/* SPDX-License-Identifier: GPL-2.0-or-later */
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#include "BLI_lazy_threading.hh"
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#include "BLI_stack.hh"
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#include "BLI_vector.hh"
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namespace blender::lazy_threading {
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/**
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* This uses a "raw" stack and vector so that it can be destructed after Blender checks for memory
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* leaks. A new list of receivers is created whenever an isolated region is entered to avoid
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* deadlocks.
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*/
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using HintReceivers = RawStack<RawVector<FunctionRef<void()>, 0>, 0>;
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static thread_local HintReceivers hint_receivers = []() {
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HintReceivers receivers;
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/* Make sure there is always at least one vector. */
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receivers.push_as();
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return receivers;
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}();
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void send_hint()
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{
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for (const FunctionRef<void()> &fn : hint_receivers.peek()) {
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fn();
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}
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}
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HintReceiver::HintReceiver(const FunctionRef<void()> fn)
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{
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hint_receivers.peek().append(fn);
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}
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HintReceiver::~HintReceiver()
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{
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hint_receivers.peek().pop_last();
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}
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ReceiverIsolation::ReceiverIsolation()
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{
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hint_receivers.push_as();
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}
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ReceiverIsolation::~ReceiverIsolation()
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{
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BLI_assert(hint_receivers.peek().is_empty());
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hint_receivers.pop();
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}
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} // namespace blender::lazy_threading
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