Profiler Take 2

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
@@ skipping 96 matching lines @@
   RETURN_ON_PTHREAD_FAILURE(result);
 
   result = pthread_attr_destroy(&attr);
   RETURN_ON_PTHREAD_FAILURE(result);
 
   return 0;
 }
 
 
 ThreadLocalKey Thread::kUnsetThreadLocalKey = static_cast<pthread_key_t>(-1);
-
+ThreadId Thread::kInvalidThreadId = static_cast<ThreadId>(0);
 
 ThreadLocalKey Thread::CreateThreadLocal() {
   pthread_key_t key = kUnsetThreadLocalKey;
   int result = pthread_key_create(&key, NULL);
   VALIDATE_PTHREAD_RESULT(result);
   ASSERT(key != kUnsetThreadLocalKey);
   return key;
 }
 
 
@@ skipping 15 matching lines @@
   const int kStackSize = (128 * kWordSize * KB);
   return kStackSize;
 }
 
 
 ThreadId Thread::GetCurrentThreadId() {
   return pthread_self();
 }
 
 
+intptr_t Thread::ThreadIdToIntPtr(ThreadId id) {
+  ASSERT(sizeof(id) == sizeof(intptr_t));
+  return static_cast<intptr_t>(id);
+}
+
+
+bool Thread::Compare(ThreadId a, ThreadId b) {
+  return pthread_equal(a, b) != 0;
+}
+
+
 void Thread::GetThreadCpuUsage(ThreadId thread_id, int64_t* cpu_usage) {
   ASSERT(thread_id == GetCurrentThreadId());
   ASSERT(cpu_usage != NULL);
   struct timespec ts;
   int r = clock_gettime(CLOCK_THREAD_CPUTIME_ID, &ts);
   ASSERT(r == 0);
   *cpu_usage = (ts.tv_sec * kNanosecondsPerSecond + ts.tv_nsec) /
                kNanosecondsPerMicrosecond;
 }
 
@@ skipping 142 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)