Fix compilation with recent MinGW64 versions.

test/cctest/test-api.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
 //       with the distribution.
 //     * Neither the name of Google Inc. nor the names of its
 //       contributors may be used to endorse or promote products derived
 //       from this software without specific prior written permission.
 //
 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-#include <limits.h>
-
-#ifndef WIN32
-#include <signal.h>  // kill
-#include <unistd.h>  // getpid
-#endif  // WIN32
+#include <climits>
+#include <csignal>
 #include <string>
 #include <map>
 
 #include "v8.h"
 
+#if V8_OS_POSIX
+#include <unistd.h>  // NOLINT
+#endif
+
 #include "api.h"
 #include "arguments.h"
 #include "cctest.h"
 #include "compilation-cache.h"
 #include "cpu-profiler.h"
 #include "execution.h"
 #include "isolate.h"
 #include "objects.h"
 #include "parser.h"
 #include "platform.h"
@@ skipping 19975 matching lines @@
 THREADED_TEST(JSONParseNumber) {
   LocalContext context;
   HandleScope scope(context->GetIsolate());
   Local<Value> obj = v8::JSON::Parse(v8_str("42"));
   Handle<Object> global = context->Global();
   global->Set(v8_str("obj"), obj);
   ExpectString("JSON.stringify(obj)", "42");
 }
 
 
-#ifndef WIN32
+#if V8_OS_POSIX
 class ThreadInterruptTest {
  public:
   ThreadInterruptTest() : sem_(NULL), sem_value_(0) { }
   ~ThreadInterruptTest() { delete sem_; }
 
   void RunTest() {
     sem_ = i::OS::CreateSemaphore(0);
 
     InterruptThread i_thread(this);
     i_thread.Start();
@@ skipping 221 matching lines @@
   CheckCorrectThrow("%GetPropertyNames(other)");
   CheckCorrectThrow("%GetLocalPropertyNames(other, true)");
   CheckCorrectThrow("%DefineOrRedefineAccessorProperty("
                         "other, 'x', null, null, 1)");
 
   // Reset the failed access check callback so it does not influence
   // the other tests.
   v8::V8::SetFailedAccessCheckCallbackFunction(NULL);
 }
 
-#endif  // WIN32
+#endif  // V8_OS_POSIX