Move Mutex and Monitor from vm/ to platform/

runtime/platform/thread_linux.cc

Index: runtime/platform/thread_linux.cc
diff --git a/runtime/vm/thread_linux.cc b/runtime/platform/thread_linux.cc
similarity index 71%
copy from runtime/vm/thread_linux.cc
copy to runtime/platform/thread_linux.cc
index a46ec80139b7bb4d1b46b3427196ca6df71acf45..0e2bda1bca38493da748a3a09f00a2caea20f066 100644
--- a/runtime/vm/thread_linux.cc
+++ b/runtime/platform/thread_linux.cc
@@ -31,78 +31,6 @@ static void ComputeTimeSpec(struct timespec* ts, int64_t millis) {
 }
 
 
-class ThreadStartData {
- public:
-  ThreadStartData(Thread::ThreadStartFunction function,
-                  uword parameter,
-                  Thread* thread)
-      : function_(function), parameter_(parameter), thread_(thread) {}
-
-  Thread::ThreadStartFunction function() const { return function_; }
-  uword parameter() const { return parameter_; }
-  Thread* thread() const { return thread_; }
-
- private:
-  Thread::ThreadStartFunction function_;
-  uword parameter_;
-  Thread* thread_;
-
-  DISALLOW_COPY_AND_ASSIGN(ThreadStartData);
-};
-
-
-// Dispatch to the thread start function provided by the caller. This trampoline
-// is used to ensure that the thread is properly destroyed if the thread just
-// exits.
-static void* ThreadStart(void* data_ptr) {
-  ThreadStartData* data = reinterpret_cast<ThreadStartData*>(data_ptr);
-
-  Thread::ThreadStartFunction function = data->function();
-  uword parameter = data->parameter();
-  Thread* thread = data->thread();
-  delete data;
-
-  // Call the supplied thread start function handing it its parameters.
-  function(parameter);
-
-  // When the function returns here, make sure that the thread is deleted.
-  delete thread;
-
-  return NULL;
-}
-
-
-Thread::Thread(ThreadStartFunction function, uword parameter) {
-  pthread_attr_t attr;
-  int result = pthread_attr_init(&attr);
-  VALIDATE_PTHREAD_RESULT(result);
-
-  result = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
-  VALIDATE_PTHREAD_RESULT(result);
-
-  result = pthread_attr_setstacksize(&attr, 1024 * KB);
-  VALIDATE_PTHREAD_RESULT(result);
-
-  ThreadStartData* data = new ThreadStartData(function, parameter, this);
-
-  pthread_t tid;
-  result = pthread_create(&tid,
-                          &attr,
-                          ThreadStart,
-                          data);
-  VALIDATE_PTHREAD_RESULT(result);
-
-  data_.tid_ = tid;
-
-  result = pthread_attr_destroy(&attr);
-  VALIDATE_PTHREAD_RESULT(result);
-}
-
-
-Thread::~Thread() {
-}
-
-
 Mutex::Mutex() {
   pthread_mutexattr_t attr;
   int result = pthread_mutexattr_init(&attr);