[PATCH] D131510: [Orc] Reorder operations in ExecutorSharedMemoryMapperService shutdown
Anubhab Ghosh via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Aug 9 10:37:24 PDT 2022
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This should fix https://reviews.llvm.org/D128544#3710127 but I think we may not even need the lock at all since this is called only at shutdown.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D131510
Files:
llvm/lib/ExecutionEngine/Orc/TargetProcess/ExecutorSharedMemoryMapperService.cpp
Index: llvm/lib/ExecutionEngine/Orc/TargetProcess/ExecutorSharedMemoryMapperService.cpp
===================================================================
--- llvm/lib/ExecutionEngine/Orc/TargetProcess/ExecutorSharedMemoryMapperService.cpp
+++ llvm/lib/ExecutionEngine/Orc/TargetProcess/ExecutorSharedMemoryMapperService.cpp
@@ -265,18 +265,21 @@
Error ExecutorSharedMemoryMapperService::shutdown() {
std::vector<ExecutorAddr> ReservationAddrs;
- if (!Reservations.empty()) {
+ {
std::lock_guard<std::mutex> Lock(Mutex);
- {
- ReservationAddrs.reserve(Reservations.size());
- for (const auto &R : Reservations) {
- ReservationAddrs.push_back(ExecutorAddr::fromPtr(R.getFirst()));
- }
+
+ if (Reservations.empty())
+ return Error::success();
+
+ ReservationAddrs.reserve(Reservations.size());
+ for (const auto &R : Reservations) {
+ ReservationAddrs.push_back(ExecutorAddr::fromPtr(R.getFirst()));
}
+
+ Reservations.clear();
}
- return release(ReservationAddrs);
- return Error::success();
+ return release(ReservationAddrs);
}
void ExecutorSharedMemoryMapperService::addBootstrapSymbols(
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