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SDL_visualtest_process.h
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SDL_visualtest_process.h
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/* 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 */