Add an API to clear the saved LogBacktraceAt location, and call it when setting an empty or invalid flag value.
PiperOrigin-RevId: 525065479
Change-Id: I3c0822db8301e0999b0669394b415df82edd445f
diff --git a/absl/log/globals.cc b/absl/log/globals.cc
index 6dfe81f..f7c2ec4 100644
--- a/absl/log/globals.cc
+++ b/absl/log/globals.cc
@@ -123,7 +123,7 @@
bool ShouldLogBacktraceAt(absl::string_view file, int line) {
const size_t flag_hash =
- log_backtrace_at_hash.load(std::memory_order_acquire);
+ log_backtrace_at_hash.load(std::memory_order_relaxed);
return flag_hash != 0 && flag_hash == HashSiteForLogBacktraceAt(file, line);
}
@@ -132,7 +132,11 @@
void SetLogBacktraceLocation(absl::string_view file, int line) {
log_backtrace_at_hash.store(HashSiteForLogBacktraceAt(file, line),
- std::memory_order_release);
+ std::memory_order_relaxed);
+}
+
+void ClearLogBacktraceLocation() {
+ log_backtrace_at_hash.store(0, std::memory_order_relaxed);
}
bool ShouldPrependLogPrefix() {
