/usr/include/gdal/cpl_multiproc.h is in libgdal-dev 1.10.1+dfsg-5ubuntu1.
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_multiproc.h 25716 2013-03-09 12:09:29Z rouault $
*
* Project: CPL - Common Portability Library
* Purpose: CPL Multi-Threading, and process handling portability functions.
* Author: Frank Warmerdam, warmerdam@pobox.com
*
**********************************************************************
* Copyright (c) 2002, Frank Warmerdam
*
* 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_MULTIPROC_H_INCLUDED_
#define _CPL_MULTIPROC_H_INCLUDED_
#include "cpl_port.h"
/*
** There are three primary implementations of the multi-process support
** controlled by one of CPL_MULTIPROC_WIN32, CPL_MULTIPROC_PTHREAD or
** CPL_MULTIPROC_STUB being defined. If none are defined, the stub
** implementation will be used.
*/
#if defined(WIN32) && !defined(CPL_MULTIPROC_STUB)
# define CPL_MULTIPROC_WIN32
/* MinGW can have pthread support, so disable it to avoid issues */
/* in cpl_multiproc.cpp */
# undef CPL_MULTIPROC_PTHREAD
#endif
#if !defined(CPL_MULTIPROC_WIN32) && !defined(CPL_MULTIPROC_PTHREAD) \
&& !defined(CPL_MULTIPROC_STUB) && !defined(CPL_MULTIPROC_NONE)
# define CPL_MULTIPROC_STUB
#endif
CPL_C_START
typedef void (*CPLThreadFunc)(void *);
void CPL_DLL *CPLLockFile( const char *pszPath, double dfWaitInSeconds );
void CPL_DLL CPLUnlockFile( void *hLock );
void CPL_DLL *CPLCreateMutex();
int CPL_DLL CPLCreateOrAcquireMutex( void **, double dfWaitInSeconds );
int CPL_DLL CPLAcquireMutex( void *hMutex, double dfWaitInSeconds );
void CPL_DLL CPLReleaseMutex( void *hMutex );
void CPL_DLL CPLDestroyMutex( void *hMutex );
void CPL_DLL CPLCleanupMasterMutex();
void CPL_DLL *CPLCreateCond();
void CPL_DLL CPLCondWait( void *hCond, void* hMutex );
void CPL_DLL CPLCondSignal( void *hCond );
void CPL_DLL CPLCondBroadcast( void *hCond );
void CPL_DLL CPLDestroyCond( void *hCond );
GIntBig CPL_DLL CPLGetPID();
int CPL_DLL CPLCreateThread( CPLThreadFunc pfnMain, void *pArg );
void CPL_DLL* CPLCreateJoinableThread( CPLThreadFunc pfnMain, void *pArg );
void CPL_DLL CPLJoinThread(void* hJoinableThread);
void CPL_DLL CPLSleep( double dfWaitInSeconds );
const char CPL_DLL *CPLGetThreadingModel();
int CPL_DLL CPLGetNumCPUs();
CPL_C_END
#ifdef __cplusplus
#define CPLMutexHolderD(x) CPLMutexHolder oHolder(x,1000.0,__FILE__,__LINE__);
class CPL_DLL CPLMutexHolder
{
private:
void *hMutex;
const char *pszFile;
int nLine;
public:
CPLMutexHolder( void **phMutex, double dfWaitInSeconds = 1000.0,
const char *pszFile = __FILE__,
int nLine = __LINE__ );
~CPLMutexHolder();
};
#endif /* def __cplusplus */
/* -------------------------------------------------------------------- */
/* Thread local storage. */
/* -------------------------------------------------------------------- */
#define CTLS_RLBUFFERINFO 1 /* cpl_conv.cpp */
#define CTLS_WIN32_COND 2 /* cpl_multiproc.cpp */
#define CTLS_CSVTABLEPTR 3 /* cpl_csv.cpp */
#define CTLS_CSVDEFAULTFILENAME 4 /* cpl_csv.cpp */
#define CTLS_ERRORCONTEXT 5 /* cpl_error.cpp */
#define CTLS_GDALDATASET_REC_PROTECT_MAP 6 /* gdaldataset.cpp */
#define CTLS_PATHBUF 7 /* cpl_path.cpp */
#define CTLS_UNUSED3 8
#define CTLS_UNUSED4 9
#define CTLS_CPLSPRINTF 10 /* cpl_string.h */
#define CTLS_RESPONSIBLEPID 11 /* gdaldataset.cpp */
#define CTLS_VERSIONINFO 12 /* gdal_misc.cpp */
#define CTLS_VERSIONINFO_LICENCE 13 /* gdal_misc.cpp */
#define CTLS_CONFIGOPTIONS 14 /* cpl_conv.cpp */
#define CTLS_FINDFILE 15 /* cpl_findfile.cpp */
#define CTLS_MAX 32
CPL_C_START
void CPL_DLL * CPLGetTLS( int nIndex );
void CPL_DLL CPLSetTLS( int nIndex, void *pData, int bFreeOnExit );
/* Warning : the CPLTLSFreeFunc must not in any case directly or indirectly */
/* use or fetch any TLS data, or a terminating thread will hang ! */
typedef void (*CPLTLSFreeFunc)( void* pData );
void CPL_DLL CPLSetTLSWithFreeFunc( int nIndex, void *pData, CPLTLSFreeFunc pfnFree );
void CPL_DLL CPLCleanupTLS();
CPL_C_END
#endif /* _CPL_MULTIPROC_H_INCLUDED_ */
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