commit be87f0a0f30d19fa6c1543e77497868222d067c5
author Byoungchan Lee <daniel.l@hpcnt.com> Thu Dec 16 08:11:03 2021
committer WebRTC LUCI CQ <webrtc-scoped@luci-project-accounts.iam.gserviceaccount.com> Fri Dec 17 13:52:01 2021
tree 511f6d7a6f1a619d1bc9ee34a5404d305247d5be
parent a13788bd1564df749e0c9a530d343f552067d276

Clarify about static variables in logging.cc.

Bug: None
Change-Id: Ia6c751485b5b0a88ce34106a2159fe8af52fc41c
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/237321
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Commit-Queue: (Daniel.L) Byoungchan Lee <daniel.l@hpcnt.com>
Cr-Commit-Position: refs/heads/main@{#35554}

rtc_base/logging.cc

diff --git a/rtc_base/logging.cc b/rtc_base/logging.cc
index 4ebeebe..2b5c80b 100644
--- a/rtc_base/logging.cc
+++ b/rtc_base/logging.cc
@@ -55,13 +55,15 @@
 namespace {
 // By default, release builds don't log, debug builds at info level
 #if !defined(NDEBUG)
-static LoggingSeverity g_min_sev = LS_INFO;
-static LoggingSeverity g_dbg_sev = LS_INFO;
+constexpr LoggingSeverity kDefaultLoggingSeverity = LS_INFO;
 #else
-static LoggingSeverity g_min_sev = LS_NONE;
-static LoggingSeverity g_dbg_sev = LS_NONE;
+constexpr LoggingSeverity kDefaultLoggingSeverity = LS_NONE;
 #endif
 
+// Note: `g_min_sev` and `g_dbg_sev` can be changed while running.
+LoggingSeverity g_min_sev = kDefaultLoggingSeverity;
+LoggingSeverity g_dbg_sev = kDefaultLoggingSeverity;
+
 // Return the filename portion of the string (that following the last slash).
 const char* FilenameFromPath(const char* file) {
   const char* end1 = ::strrchr(file, '/');