From 833f5b39f45aee3a23ad3d67000dc2013dbb9d9b Mon Sep 17 00:00:00 2001
From: John Sully <john@csquare.ca>
Date: Thu, 19 Mar 2020 15:37:24 -0400
Subject: [PATCH] Log which thread a message came from

Former-commit-id: bc1eccb66d3302d6c99588fb4a5a879e1ef243b1
---
 src/server.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/server.cpp b/src/server.cpp
index d6fe1ba1f..22bca3963 100644
--- a/src/server.cpp
+++ b/src/server.cpp
@@ -1037,6 +1037,7 @@ struct redisCommand redisCommandTable[] = {
 /* We use a private localtime implementation which is fork-safe. The logging
  * function of Redis may be called from other threads. */
 extern "C" void nolocks_localtime(struct tm *tmp, time_t t, time_t tz, int dst);
+extern "C" pid_t gettid();
 
 /* Low level logging. To use only for very big messages, otherwise
  * serverLog() is to prefer. */
@@ -1074,8 +1075,8 @@ void serverLogRaw(int level, const char *msg) {
         } else {
             role_char = (listLength(g_pserver->masters) ? 'S':'M'); /* Slave or Master. */
         }
-        fprintf(fp,"%d:%c %s %c %s\n",
-            (int)getpid(),role_char, buf,c[level],msg);
+        fprintf(fp,"%d:%d:%c %s %c %s\n",
+            (int)getpid(),(int)gettid(),role_char, buf,c[level],msg);
     }
     fflush(fp);