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Internals: Use std::packaged_task as a job wrapper; add and use V3ThreadPool::ScopedExclusiveAccess (#4310).

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* Add VL_ASSERT_CAPABILITY; add assumeLocked and pretendUnlock to V3Mutex.

* Pass jobs as template-arguments and use std::packaged_task.

* Add and use V3ThreadPool::ScopedExclusiveAccess.
This commit is contained in:
Mariusz Glebocki
2023-06-23 18:25:12 -04:00
committed by GitHub
parent 7005a65d32
commit 85b7f828b3
6 changed files with 137 additions and 97 deletions
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src/V3EmitCImp.cpp
+4 -4
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@@ -932,11 +932,11 @@ void V3EmitC::emitcImp() {
const AstNodeModule* const modp = VN_AS(nodep, NodeModule);
cfiles.emplace_back();
auto& slowCfilesr = cfiles.back();
futures.push_back(V3ThreadPool::s().enqueue<void>(
futures.push_back(V3ThreadPool::s().enqueue(
[modp, &slowCfilesr]() { EmitCImp::main(modp, /* slow: */ true, slowCfilesr); }));
cfiles.emplace_back();
auto& fastCfilesr = cfiles.back();
futures.push_back(V3ThreadPool::s().enqueue<void>(
futures.push_back(V3ThreadPool::s().enqueue(
[modp, &fastCfilesr]() { EmitCImp::main(modp, /* slow: */ false, fastCfilesr); }));
}
@@ -944,12 +944,12 @@ void V3EmitC::emitcImp() {
if (v3Global.opt.trace() && !v3Global.opt.lintOnly()) {
cfiles.emplace_back();
auto& slowCfilesr = cfiles.back();
futures.push_back(V3ThreadPool::s().enqueue<void>([&slowCfilesr]() {
futures.push_back(V3ThreadPool::s().enqueue([&slowCfilesr]() {
EmitCTrace::main(v3Global.rootp()->topModulep(), /* slow: */ true, slowCfilesr);
}));
cfiles.emplace_back();
auto& fastCfilesr = cfiles.back();
futures.push_back(V3ThreadPool::s().enqueue<void>([&fastCfilesr]() {
futures.push_back(V3ThreadPool::s().enqueue([&fastCfilesr]() {
EmitCTrace::main(v3Global.rootp()->topModulep(), /* slow: */ false, fastCfilesr);
}));
}