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test/hotspot/gtest/runtime/test_os_windows.cpp

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rev 52397 : 8213337: windows-x64-slowdebug build is broken by 8177708
Reviewed-by: duke


  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 #include "precompiled.hpp"
  25 
  26 #ifdef _WINDOWS
  27 
  28 #include "runtime/os.hpp"
  29 #include "runtime/flags/flagSetting.hpp"

  30 #include "unittest.hpp"
  31 
  32 namespace {
  33   class MemoryReleaser {
  34     char* const _ptr;
  35     const size_t _size;
  36    public:
  37     MemoryReleaser(char* ptr, size_t size) : _ptr(ptr), _size(size) { }
  38     ~MemoryReleaser() {
  39       os::release_memory_special(_ptr, _size);
  40     }
  41   };
  42 }
  43 
  44 // test tries to allocate memory in a single contiguous memory block at a particular address.
  45 // The test first tries to find a good approximate address to allocate at by using the same
  46 // method to allocate some memory at any address. The test then tries to allocate memory in
  47 // the vicinity (not directly after it to avoid possible by-chance use of that location)
  48 // This is of course only some dodgy assumption, there is no guarantee that the vicinity of
  49 // the previously allocated memory is available for allocation. The only actual failure




  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 #include "precompiled.hpp"
  25 
  26 #ifdef _WINDOWS
  27 
  28 #include "runtime/os.hpp"
  29 #include "runtime/flags/flagSetting.hpp"
  30 #include "runtime/globals_extension.hpp"
  31 #include "unittest.hpp"
  32 
  33 namespace {
  34   class MemoryReleaser {
  35     char* const _ptr;
  36     const size_t _size;
  37    public:
  38     MemoryReleaser(char* ptr, size_t size) : _ptr(ptr), _size(size) { }
  39     ~MemoryReleaser() {
  40       os::release_memory_special(_ptr, _size);
  41     }
  42   };
  43 }
  44 
  45 // test tries to allocate memory in a single contiguous memory block at a particular address.
  46 // The test first tries to find a good approximate address to allocate at by using the same
  47 // method to allocate some memory at any address. The test then tries to allocate memory in
  48 // the vicinity (not directly after it to avoid possible by-chance use of that location)
  49 // This is of course only some dodgy assumption, there is no guarantee that the vicinity of
  50 // the previously allocated memory is available for allocation. The only actual failure


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