src: lock-free init_process_flags

Fix nodejs#45152
kapouer · Oct 28, 2022 · 2fc42b0 · 2fc42b0
1 parent 2081082
commit 2fc42b0
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Showing 2 changed files with 3 additions and 2 deletions.
diff --git a/src/node.cc b/src/node.cc
@@ -429,7 +429,7 @@ void ResetSignalHandlers() {
 #endif  // __POSIX__
 }
 
-static std::atomic<uint64_t> init_process_flags = 0;
+static std::atomic<uint32_t> init_process_flags = 0;
 
 static void PlatformInit(ProcessInitializationFlags::Flags flags) {
   // init_process_flags is accessed in ResetStdio(),

diff --git a/src/node.h b/src/node.h
@@ -228,7 +228,8 @@ class MultiIsolatePlatform;
 class InitializationResultImpl;
 
 namespace ProcessFlags {
-enum Flags : uint64_t {
+// uint32_t is lock-free
+enum Flags : uint32_t {
   kNoFlags = 0,
   // Enable stdio inheritance, which is disabled by default.
   // This flag is also implied by kNoStdioInitialization.