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https://github.com/Ryujinx/SDL.git
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b72938c861
An existing hint lets apps that don't need the timer resolution changed avoid this, to save battery, etc, but this fixes several problems in timing, audio callbacks not firing fast enough, etc. Fixes Bugzilla #2944.
112 lines
3.1 KiB
C
112 lines
3.1 KiB
C
/* See COPYING.txt for the full license governing this code. */
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/**
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* \file SDL_visualtest_process.h
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*
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* Provides cross-platfrom process launching and termination functionality.
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*/
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#include <SDL_platform.h>
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#if defined(__WIN32__)
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#include <Windows.h>
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#include <Shlwapi.h>
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#elif defined(__LINUX__)
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#include <unistd.h>
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#else
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#error "Unsupported platform."
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#endif
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#ifndef _SDL_visualtest_process_h
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#define _SDL_visualtest_process_h
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/* Set up for C function definitions, even when using C++ */
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* Struct to store a platform specific handle to a process.
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*/
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typedef struct SDL_ProcessInfo
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{
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//#if defined(_WIN32) || defined(__WIN32__)
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#if defined(__WIN32__)
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PROCESS_INFORMATION pi;
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//#elif defined(__linux__)
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#elif defined(__LINUX__)
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int pid;
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#endif
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} SDL_ProcessInfo;
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/**
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* This structure stores the exit status (value returned by main()) and
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* whether the process exited sucessfully or not.
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*/
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typedef struct SDL_ProcessExitStatus
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{
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int exit_success; /*!< Zero if the process exited successfully */
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int exit_status; /*!< The exit status of the process. 8-bit value. */
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} SDL_ProcessExitStatus;
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/**
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* Launches a process with the given commandline arguments.
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*
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* \param file The path to the executable to be launched.
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* \param args The command line arguments to be passed to the process.
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* \param pinfo Pointer to an SDL_ProcessInfo object to be populated with
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* platform specific information about the launched process.
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*
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* \return Non-zero on success, zero on failure.
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*/
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int SDL_LaunchProcess(char* file, char* args, SDL_ProcessInfo* pinfo);
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/**
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* Checks if a process is running or not.
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*
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* \param pinfo Pointer to SDL_ProcessInfo object of the process that needs to be
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* checked.
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*
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* \return 1 if the process is still running; zero if it is not and -1 if the
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* status could not be retrieved.
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*/
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int SDL_IsProcessRunning(SDL_ProcessInfo* pinfo);
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/**
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* Kills a currently running process.
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*
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* \param pinfo Pointer to a SDL_ProcessInfo object of the process to be terminated.
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* \param ps Pointer to a SDL_ProcessExitStatus object which will be populated
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* with the exit status.
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*
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* \return 1 on success, 0 on failure.
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*/
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int SDL_KillProcess(SDL_ProcessInfo* pinfo, SDL_ProcessExitStatus* ps);
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/**
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* Cleanly exits the process represented by \c pinfo and stores the exit status
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* in the exit status object pointed to by \c ps.
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*
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* \return 1 on success, 0 on failure.
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*/
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int SDL_QuitProcess(SDL_ProcessInfo* pinfo, SDL_ProcessExitStatus* ps);
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/**
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* Gets the exit status of a process. If the exit status is -1, the process is
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* still running.
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*
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* \param pinfo Pointer to a SDL_ProcessInfo object of the process to be checked.
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* \param ps Pointer to a SDL_ProcessExitStatus object which will be populated
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* with the exit status.
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*
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* \return 1 on success, 0 on failure.
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*/
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int SDL_GetProcessExitStatus(SDL_ProcessInfo* pinfo, SDL_ProcessExitStatus* ps);
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/* Ends C function definitions when using C++ */
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SDL_visualtest_process_h */
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