From c2f5a7eeb154821ab2b26ac86b91c26b44929c16 Mon Sep 17 00:00:00 2001
From: Elie Kheirallah <khei@google.com>
Date: Fri, 27 May 2022 22:43:40 +0000
Subject: Fix for flaky test in binderLibTest

Added thread locks around the update of mKernelStartedThreads
Added hwasan-presubmit to TEST MAPPING

Bug: 233787404
Test: binderLibTest
Change-Id: If8dcd7061c478a3ebbb0414c4fcce2a9bf512563
---
 libs/binder/ProcessState.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

(limited to 'libs/binder/ProcessState.cpp')

diff --git a/libs/binder/ProcessState.cpp b/libs/binder/ProcessState.cpp
index 6beab43117..7faff47627 100644
--- a/libs/binder/ProcessState.cpp
+++ b/libs/binder/ProcessState.cpp
@@ -35,14 +35,15 @@
 
 #include <errno.h>
 #include <fcntl.h>
-#include <mutex>
+#include <pthread.h>
 #include <stdio.h>
 #include <stdlib.h>
-#include <unistd.h>
 #include <sys/ioctl.h>
 #include <sys/mman.h>
 #include <sys/stat.h>
 #include <sys/types.h>
+#include <unistd.h>
+#include <mutex>
 
 #define BINDER_VM_SIZE ((1 * 1024 * 1024) - sysconf(_SC_PAGE_SIZE) * 2)
 #define DEFAULT_MAX_BINDER_THREADS 15
@@ -399,7 +400,9 @@ void ProcessState::spawnPooledThread(bool isMain)
         ALOGV("Spawning new pooled thread, name=%s\n", name.string());
         sp<Thread> t = sp<PoolThread>::make(isMain);
         t->run(name.string());
+        pthread_mutex_lock(&mThreadCountLock);
         mKernelStartedThreads++;
+        pthread_mutex_unlock(&mThreadCountLock);
     }
 }
 
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