[compiler-rt] r280875 - [asan] Add openlog() on Android.

[Evgeniy Stepanov via llvm-commits]

Author: eugenis
Date: Wed Sep  7 17:56:02 2016
New Revision: 280875

URL: http://llvm.org/viewvc/llvm-project?rev=280875&view=rev
Log:
[asan] Add openlog() on Android.

Normally, syslog() uses argv[0] for the log tag; bionic, however,
would crash in syslog() before libc constructor unless the log
tag is explicitly set with openlog().

Modified:
    compiler-rt/trunk/lib/sanitizer_common/sanitizer_linux_libcdep.cc

Modified: compiler-rt/trunk/lib/sanitizer_common/sanitizer_linux_libcdep.cc
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/sanitizer_common/sanitizer_linux_libcdep.cc?rev=280875&r1=280874&r2=280875&view=diff
==============================================================================
--- compiler-rt/trunk/lib/sanitizer_common/sanitizer_linux_libcdep.cc (original)
+++ compiler-rt/trunk/lib/sanitizer_common/sanitizer_linux_libcdep.cc Wed Sep  7 17:56:02 2016
@@ -47,12 +47,11 @@
 
 #if SANITIZER_ANDROID
 #include <android/api-level.h>
+#include <syslog.h>
 #endif
 
 #if SANITIZER_ANDROID && __ANDROID_API__ < 21
 #include <android/log.h>
-#else
-#include <syslog.h>
 #endif
 
 #if !SANITIZER_ANDROID
@@ -521,6 +520,7 @@ uptr GetRSS() {
 static atomic_uint8_t android_log_initialized;
 
 void AndroidLogInit() {
+  openlog(GetProcessName(), 0, LOG_USER);
   atomic_store(&android_log_initialized, 1, memory_order_release);
 }