/usr/include/gdal/cpl_spawn.h is in libgdal-dev 1.10.1+dfsg-8+b3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* $Id: cpl_spawn.h 25681 2013-02-24 18:22:20Z rouault $
*
* Project: CPL - Common Portability Library
* Purpose: Implement CPLSystem().
* Author: Even Rouault, <even dot rouault at mines dash paris dot org>
*
**********************************************************************
* Copyright (c) 2013,Even Rouault
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
****************************************************************************/
#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 NULL
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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