openbsd and freebsd fixes for base

base/threading/platform_thread_posix.cc

 // Copyright (c) 2011 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 <sched.h>
 
 #include "base/logging.h"
@@ skipping 114 matching lines @@
 // static
 PlatformThreadId PlatformThread::CurrentId() {
   // Pthreads doesn't have the concept of a thread ID, so we have to reach down
   // into the kernel.
 #if defined(OS_MACOSX)
   return mach_thread_self();
 #elif defined(OS_LINUX)
   return syscall(__NR_gettid);
 #elif defined(OS_ANDROID)
   return gettid();
-#elif defined(OS_FREEBSD)
-  // TODO(BSD): find a better thread ID
-  return reinterpret_cast<int64>(pthread_self());
 #elif defined(OS_NACL) || defined(OS_SOLARIS)
   return pthread_self();
+#elif defined(OS_POSIX)
+  return reinterpret_cast<int64>(pthread_self());
 #endif
 }
 
 // static
 void PlatformThread::YieldCurrentThread() {
   sched_yield();
 }
 
 // static
 void PlatformThread::Sleep(int duration_ms) {
@@ skipping 99 matching lines @@
 // Mac OS X uses lower-level mach APIs
 
 // static
 void PlatformThread::SetThreadPriority(PlatformThreadHandle, ThreadPriority) {
   // TODO(crogers): implement
   NOTIMPLEMENTED();
 }
 #endif
 
 }  // namespace base