emulator: opengl: Back-port GLES emulation from the master tree.

The modules here are only built when BUILD_EMULATOR_OPENGL is defined to true
in your environment or your BoardConfig.mk (see tools/emulator/opengl/Android.mk)

Change-Id: I5f32c35b4452fb5a7b4d5f9fc5870ec1da6032e6

tools/emulator/opengl/shared/OpenglOsUtils/osProcess.h

@@ -0,0 +1,62 @@
+/*
+* Copyright (C) 2011 The Android Open Source Project
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+#ifndef _OSUTILS_PROCESS_H
+#define _OSUTILS_PROCESS_H
+
+#ifdef _WIN32
+#include <windows.h>
+#endif
+
+namespace osUtils {
+
+class childProcess
+{
+public:
+    static childProcess *create(const char *p_cmdLine, const char *p_startdir);
+    ~childProcess();
+
+    int getPID()
+    {
+#ifdef _WIN32
+        return m_proc.dwProcessId;
+#else
+        return(m_pid);
+#endif
+    }
+
+    int tryWait(bool& isAlive);
+    bool wait(int *exitStatus);
+
+private:
+    childProcess() {};
+
+private:
+#ifdef _WIN32
+    PROCESS_INFORMATION m_proc;
+#else
+    int m_pid;
+#endif
+};
+
+int ProcessGetPID();
+int ProcessGetTID();
+bool ProcessGetName(char *p_outName, int p_outNameLen);
+int KillProcess(int pid, bool wait);
+bool isProcessRunning(int pid);
+
+} // of namespace osUtils
+
+#endif