kc3-lang/angle/src/common/tls.cpp

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• Author : Shannon Woods
  Date : 2014-06-16 13:21:41
  Hash : fb839475
  Message : Fix ifdef complaints in clang BUG=angle:677 Change-Id: Iee457dfc0990e5ffd61932b1f286f3c0208568bc Reviewed-on: https://chromium-review.googlesource.com/203427 Reviewed-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Geoff Lang <geofflang@chromium.org> Tested-by: Shannon Woods <shannonwoods@chromium.org>

• src/common/tls.cpp

• //
  // Copyright (c) 2014 The ANGLE Project Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  //
  
  // tls.cpp: Simple cross-platform interface for thread local storage.
  
  #include "common/tls.h"
  
  #include <assert.h>
  
  TLSIndex CreateTLSIndex()
  {
      TLSIndex index;
  
  #ifdef ANGLE_PLATFORM_WINDOWS
      index = TlsAlloc();
  #elif defined(ANGLE_PLATFORM_POSIX)
      // Create global pool key
      if ((pthread_key_create(&index, NULL)) != 0)
      {
          index = TLS_INVALID_INDEX;
      }
  #endif
  
      assert(index != TLS_INVALID_INDEX && "CreateTLSIndex(): Unable to allocate Thread Local Storage");
      return index;
  }
  
  bool DestroyTLSIndex(TLSIndex index)
  {
      assert(index != TLS_INVALID_INDEX && "DestroyTLSIndex(): Invalid TLS Index");
      if (index == TLS_INVALID_INDEX)
      {
          return false;
      }
  
  #ifdef ANGLE_PLATFORM_WINDOWS
      return (TlsFree(index) == TRUE);
  #elif defined(ANGLE_PLATFORM_POSIX)
      return (pthread_key_delete(index) == 0);
  #endif
  }
  
  bool SetTLSValue(TLSIndex index, void *value)
  {
      assert(index != TLS_INVALID_INDEX && "SetTLSValue(): Invalid TLS Index");
      if (index == TLS_INVALID_INDEX)
      {
          return false;
      }
  
  #ifdef ANGLE_PLATFORM_WINDOWS
      return (TlsSetValue(index, value) == TRUE);
  #elif defined(ANGLE_PLATFORM_POSIX)
      return (pthread_setspecific(index, value) == 0);
  #endif
  }
  
  void *GetTLSValue(TLSIndex index)
  {
      assert(index != TLS_INVALID_INDEX && "GetTLSValue(): Invalid TLS Index");
      if (index == TLS_INVALID_INDEX)
      {
          return NULL;
      }
  
  #ifdef ANGLE_PLATFORM_WINDOWS
      return TlsGetValue(index);
  #elif defined(ANGLE_PLATFORM_POSIX)
      return pthread_getspecific(index);
  #endif
  }