Replaced strerror() calls with threadsafe strerror_r()

runtime/platform/thread_linux.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "platform/globals.h"
 #if defined(TARGET_OS_LINUX)
 
 #include "platform/thread.h"
 
 #include <errno.h>  // NOLINT
 #include <sys/time.h>  // NOLINT
 
 #include "platform/assert.h"
 
 namespace dart {
 
 #define VALIDATE_PTHREAD_RESULT(result) \
   if (result != 0) { \
-    FATAL2("pthread error: %d (%s)", result, strerror(result)); \
+    const int kBufferSize = 1024; \
+    char error_buf[kBufferSize]; \
+    FATAL2("pthread error: %d (%s)", result, \
+           strerror_r(result, error_buf, kBufferSize)); \
   }
 
 
 #ifdef DEBUG
 #define RETURN_ON_PTHREAD_FAILURE(result) \
   if (result != 0) { \
+    const int kBufferSize = 1024; \
+    char error_buf[kBufferSize]; \
     fprintf(stderr, "%s:%d: pthread error: %d (%s)\n", \
-            __FILE__, __LINE__, result, strerror(result)); \
+            __FILE__, __LINE__, result, \
+            strerror_r(result, error_buf, kBufferSize)); \
     return result; \
   }
 #else
 #define RETURN_ON_PTHREAD_FAILURE(result) \
   if (result != 0) return result;
 #endif
 
 
 static void ComputeTimeSpec(struct timespec* ts, int64_t millis) {
   int64_t secs = millis / kMillisecondsPerSecond;
@@ skipping 239 matching lines @@
 
 void Monitor::NotifyAll() {
   // TODO(iposva): Do we need to track lock owners?
   int result = pthread_cond_broadcast(data_.cond());
   VALIDATE_PTHREAD_RESULT(result);
 }
 
 }  // namespace dart
 
 #endif  // defined(TARGET_OS_LINUX)