kc3-lang/SDL/visualtest/include/SDL_visualtest_process.h

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• Hash : f848adff
  Author :
  Date : 2013-11-29T10:06:08
  

  Improve Android pause/resume behavior.
  

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• visualtest/include/SDL_visualtest_process.h

• /* See COPYING.txt for the full license governing this code. */
  /**
   * \file SDL_visualtest_process.h
   *
   * Provides cross-platfrom process launching and termination functionality.
   */
  
  #include <SDL_platform.h>
  
  #if defined(__WIN32__)
  #include <Windows.h>
  #include <Shlwapi.h>
  #elif defined(__LINUX__)
  #include <unistd.h>
  #else
  #error "Unsupported platform."
  #endif
  
  #ifndef _SDL_visualtest_process_h
  #define _SDL_visualtest_process_h
  
  /* Set up for C function definitions, even when using C++ */
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  /**
   * Struct to store a platform specific handle to a process.
   */
  typedef struct SDL_ProcessInfo
  {
  //#if defined(_WIN32) || defined(__WIN32__)
  #if defined(__WIN32__)
      PROCESS_INFORMATION pi;
  //#elif defined(__linux__)
  #elif defined(__LINUX__)
      int pid;
  #endif
  } SDL_ProcessInfo;
  
  /**
   * This structure stores the exit status (value returned by main()) and
   * whether the process exited sucessfully or not.
   */
  typedef struct SDL_ProcessExitStatus
  {
      int exit_success;   /*!< Zero if the process exited successfully */
      int exit_status;    /*!< The exit status of the process. 8-bit value. */
  } SDL_ProcessExitStatus;
  
  /**
   * Launches a process with the given commandline arguments.
   *
   * \param file  The path to the executable to be launched.
   * \param args  The command line arguments to be passed to the process.
   * \param pinfo Pointer to an SDL_ProcessInfo object to be populated with
   *              platform specific information about the launched process.
   *
   * \return Non-zero on success, zero on failure.
   */
  int SDL_LaunchProcess(char* file, char* args, SDL_ProcessInfo* pinfo);
  
  /**
   * Checks if a process is running or not.
   *
   * \param pinfo Pointer to SDL_ProcessInfo object of the process that needs to be
   *              checked.
   *
   * \return 1 if the process is still running; zero if it is not and -1 if the
   *         status could not be retrieved.
   */
  int SDL_IsProcessRunning(SDL_ProcessInfo* pinfo);
  
  /**
   * Kills a currently running process.
   *
   * \param pinfo Pointer to a SDL_ProcessInfo object of the process to be terminated.
   * \param ps Pointer to a SDL_ProcessExitStatus object which will be populated
   *           with the exit status.
   *
   * \return 1 on success, 0 on failure.
   */
  int SDL_KillProcess(SDL_ProcessInfo* pinfo, SDL_ProcessExitStatus* ps);
  
  /**
   * Cleanly exits the process represented by \c pinfo and stores the exit status
   * in the exit status object pointed to by \c ps.
   *
   * \return 1 on success, 0 on failure.
   */
  int SDL_QuitProcess(SDL_ProcessInfo* pinfo, SDL_ProcessExitStatus* ps);
  
  /**
   * Gets the exit status of a process. If the exit status is -1, the process is
   * still running.
   *
   * \param pinfo Pointer to a SDL_ProcessInfo object of the process to be checked.
   * \param ps Pointer to a SDL_ProcessExitStatus object which will be populated
   *           with the exit status.
   *
   * \return 1 on success, 0 on failure.
   */
  int SDL_GetProcessExitStatus(SDL_ProcessInfo* pinfo, SDL_ProcessExitStatus* ps);
  
  /* Ends C function definitions when using C++ */
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* _SDL_visualtest_process_h */
  
  

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