Initial commit

Torque/SDK/engine/platformX86UNIX/x86UNIXUtils.h

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+//-----------------------------------------------------------------------------
+// Torque Game Engine 
+// Copyright (C) GarageGames.com, Inc.
+//-----------------------------------------------------------------------------
+
+
+
+#ifndef _X86UNIXUTILS_H_
+#define _X86UNIXUTILS_H_
+
+struct utsname;
+
+class UnixUtils
+{
+public:
+   UnixUtils();
+   virtual ~UnixUtils();
+
+   /**
+      Returns true if we're running in the background, false otherwise.
+      There's no "standard" way to determine this in unix, but 
+      modern job control unices should support the method described
+      here:
+
+      http://www.faqs.org/faqs/unix-faq/faq/part3/
+
+      (question 3.7)
+    */
+   bool inBackground();
+
+   /**
+      Returns the name of the OS, as reported by uname.
+    */
+   const char* getOSName();
+
+private:
+   struct utsname* mUnameInfo;
+};
+
+extern UnixUtils *UUtils;
+
+// utility class for running a unix command and capturing its output
+class UnixCommandExecutor
+{
+   private:
+      int mRet;
+      int mStdoutSave;
+      int mStderrSave;
+      int mPipeFiledes[2];
+      int mChildPID;
+      int mBytesRead;
+      bool mStdoutClosed;
+      bool mStderrClosed;
+      bool mChildExited;
+
+      void clearFields();
+      void cleanup();
+
+   public:
+      UnixCommandExecutor();
+      ~UnixCommandExecutor();
+
+      // Runs the specified command.  
+      // - args is a null terminated list of the command and its arguments,
+      // e.g: "ps", "-aux", NULL
+      // - stdoutCapture is the buffer where stdout data will be stored
+      // - stdoutCaptureSize is the size of the buffer
+      // None of these parameters may be null.  stdoutCaptureSize must be > 0
+      //
+      // returns -2 if the parameters are bad.  returns -1 if some other
+      // error occurs, check errno for the exact error.
+      int exec(char* args[], char* stdoutCapture, int stdoutCaptureSize);
+};
+
+#endif