Introduce PlatformThread::Detach

base/threading/platform_thread_posix.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/threading/platform_thread.h"
 
 #include <errno.h>
 #include <pthread.h>
 #include <sched.h>
 #include <stddef.h>
@@ skipping 191 matching lines @@
 
 // static
 void PlatformThread::Join(PlatformThreadHandle thread_handle) {
   // Joining another thread may block the current thread for a long time, since
   // the thread referred to by |thread_handle| may still be running long-lived /
   // blocking tasks.
   base::ThreadRestrictions::AssertIOAllowed();
   CHECK_EQ(0, pthread_join(thread_handle.platform_handle(), NULL));
 }
 
+// static
+void PlatformThread::Detach(PlatformThreadHandle thread_handle) {
+  CHECK_EQ(0, pthread_detach(thread_handle.platform_handle()));
+}
+
 // Mac has its own Set/GetCurrentThreadPriority() implementations.
 #if !defined(OS_MACOSX)
 
 // static
 void PlatformThread::SetCurrentThreadPriority(ThreadPriority priority) {
 #if defined(OS_NACL)
   NOTIMPLEMENTED();
 #else
   if (internal::SetCurrentThreadPriorityForPlatform(priority))
     return;
@@ skipping 35 matching lines @@
     return ThreadPriority::NORMAL;
   }
 
   return internal::NiceValueToThreadPriority(nice_value);
 #endif  // !defined(OS_NACL)
 }
 
 #endif  // !defined(OS_MACOSX)
 
 }  // namespace base