GN: aix port along with linux_s390x, linux_ppc64 and linux_ppc64le support.

base/threading/platform_thread_linux.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 <sched.h>
 #include <stddef.h>
 
 #include "base/files/file_util.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/threading/platform_thread_internal_posix.h"
 #include "base/threading/thread_id_name_manager.h"
 #include "base/tracked_objects.h"
 #include "build/build_config.h"
 
-#if !defined(OS_NACL)
+#if !defined(OS_NACL) && !defined(OS_AIX)
 #include <pthread.h>
 #include <sys/prctl.h>
 #include <sys/resource.h>
 #include <sys/time.h>
 #include <sys/types.h>
 #include <unistd.h>
 #endif
 
 namespace base {
 namespace {
@@ skipping 92 matching lines @@
   return false;
 }
 
 }  // namespace internal
 
 // static
 void PlatformThread::SetName(const std::string& name) {
   ThreadIdNameManager::GetInstance()->SetName(CurrentId(), name);
   tracked_objects::ThreadData::InitializeThreadContext(name);
 
-#if !defined(OS_NACL)
+#if !defined(OS_NACL) && !defined(OS_AIX)
   // On linux we can get the thread names to show up in the debugger by setting
   // the process name for the LWP.  We don't want to do this for the main
   // thread because that would rename the process, causing tools like killall
   // to stop working.
   if (PlatformThread::CurrentId() == getpid())
     return;
 
   // http://0pointer.de/blog/projects/name-your-threads.html
   // Set the name for the LWP (which gets truncated to 15 characters).
   // Note that glibc also has a 'pthread_setname_np' api, but it may not be
   // available everywhere and it's only benefit over using prctl directly is
   // that it can set the name of threads other than the current thread.
   int err = prctl(PR_SET_NAME, name.c_str());
   // We expect EPERM failures in sandboxed processes, just ignore those.
   if (err < 0 && errno != EPERM)
     DPLOG(ERROR) << "prctl(PR_SET_NAME)";
-#endif  //  !defined(OS_NACL)
+#endif  //  !defined(OS_NACL) && !defined(OS_AIX)
 }
 
-#if !defined(OS_NACL)
+#if !defined(OS_NACL) && !defined(OS_AIX)
 // static
 void PlatformThread::SetThreadPriority(PlatformThreadId thread_id,
                                        ThreadPriority priority) {
   // Changing current main threads' priority is not permitted in favor of
   // security, this interface is restricted to change only non-main thread
   // priority.
   CHECK_NE(thread_id, getpid());
 
   SetThreadCgroupsForThreadPriority(thread_id, priority);
 
   const int nice_setting = internal::ThreadPriorityToNiceValue(priority);
   if (setpriority(PRIO_PROCESS, thread_id, nice_setting)) {
     DVPLOG(1) << "Failed to set nice value of thread (" << thread_id << ") to "
               << nice_setting;
   }
 }
-#endif  //  !defined(OS_NACL)
+#endif  //  !defined(OS_NACL) && !defined(OS_AIX)
 
 void InitThreading() {}
 
 void TerminateOnThread() {}
 
 size_t GetDefaultThreadStackSize(const pthread_attr_t& attributes) {
 #if !defined(THREAD_SANITIZER)
   return 0;
 #else
   // ThreadSanitizer bloats the stack heavily. Evidence has been that the
   // default stack size isn't enough for some browser tests.
   return 2 * (1 << 23);  // 2 times 8192K (the default stack size on Linux).
 #endif
 }
 
 }  // namespace base