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/**********************************************************************
* $Id$
*
* Project: CPL - Common Portability Library
* Purpose: Implement CPLSystem().
* Author: Even Rouault, <even dot rouault at spatialys.com>
*
**********************************************************************
* Copyright (c) 2013, Even Rouault <even dot rouault at spatialys.com>
*
* SPDX-License-Identifier: MIT
****************************************************************************/
#ifndef CPL_SPAWN_H_INCLUDED
#define CPL_SPAWN_H_INCLUDED
#include "cpl_vsi.h"
CPL_C_START
/* -------------------------------------------------------------------- */
/* Spawn a process. */
/* -------------------------------------------------------------------- */
int CPL_DLL CPLSpawn(const char *const papszArgv[], VSILFILE *fin,
VSILFILE *fout, int bDisplayErr);
#ifdef _WIN32
#include <windows.h>
typedef HANDLE CPL_FILE_HANDLE;
#define CPL_FILE_INVALID_HANDLE CPL_NULLPTR
typedef DWORD CPL_PID;
#else
#include <sys/types.h>
typedef int CPL_FILE_HANDLE;
#define CPL_FILE_INVALID_HANDLE -1
typedef pid_t CPL_PID;
#endif
typedef struct _CPLSpawnedProcess CPLSpawnedProcess;
CPLSpawnedProcess CPL_DLL *
CPLSpawnAsync(int (*pfnMain)(CPL_FILE_HANDLE, CPL_FILE_HANDLE),
const char *const papszArgv[], int bCreateInputPipe,
int bCreateOutputPipe, int bCreateErrorPipe, char **papszOptions);
CPL_PID CPL_DLL CPLSpawnAsyncGetChildProcessId(CPLSpawnedProcess *p);
int CPL_DLL CPLSpawnAsyncFinish(CPLSpawnedProcess *p, int bWait, int bKill);
CPL_FILE_HANDLE CPL_DLL CPLSpawnAsyncGetInputFileHandle(CPLSpawnedProcess *p);
CPL_FILE_HANDLE CPL_DLL CPLSpawnAsyncGetOutputFileHandle(CPLSpawnedProcess *p);
CPL_FILE_HANDLE CPL_DLL CPLSpawnAsyncGetErrorFileHandle(CPLSpawnedProcess *p);
void CPL_DLL CPLSpawnAsyncCloseInputFileHandle(CPLSpawnedProcess *p);
void CPL_DLL CPLSpawnAsyncCloseOutputFileHandle(CPLSpawnedProcess *p);
void CPL_DLL CPLSpawnAsyncCloseErrorFileHandle(CPLSpawnedProcess *p);
int CPL_DLL CPLPipeRead(CPL_FILE_HANDLE fin, void *data, int length);
int CPL_DLL CPLPipeWrite(CPL_FILE_HANDLE fout, const void *data, int length);
CPL_C_END
#endif // CPL_SPAWN_H_INCLUDED
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