Tighten handling of pthread_create errors on Linux.

src/platform-linux.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 750 matching lines @@
 
 
 void Thread::Start() {
   pthread_attr_t* attr_ptr = NULL;
   pthread_attr_t attr;
   if (stack_size_ > 0) {
     pthread_attr_init(&attr);
     pthread_attr_setstacksize(&attr, static_cast<size_t>(stack_size_));
     attr_ptr = &attr;
   }
-  pthread_create(&data_->thread_, attr_ptr, ThreadEntry, this);
-  ASSERT(data_->thread_ != kNoThread);

[Vitaly Repeshko, 2011/11/09 19:03:47]

Let's keep the assert.

+  int result = pthread_create(&data_->thread_, attr_ptr, ThreadEntry, this);
+  CHECK_EQ(0, result);
 }
 
 
 void Thread::Join() {
   pthread_join(data_->thread_, NULL);
 }
 
 
 Thread::LocalStorageKey Thread::CreateThreadLocalKey() {
   pthread_key_t key;
@@ skipping 426 matching lines @@
 
 
 void Sampler::Stop() {
   ASSERT(IsActive());
   SignalSender::RemoveActiveSampler(this);
   SetActive(false);
 }
 
 
 } }  // namespace v8::internal