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/******************************************************************************
* $Id$
*
* Project: GDAL Core
* Purpose: The library set-up/clean-up routines.
* Author: Mateusz Loskot <mateusz@loskot.net>
*
******************************************************************************
* Copyright (c) 2010, Mateusz Loskot <mateusz@loskot.net>
*
* 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.
****************************************************************************/
#include "gdal.h"
#include "ogr_api.h"
#include "cpl_multiproc.h"
#include "cpl_conv.h"
#include "cpl_string.h"
static int bInGDALGlobalDestructor = FALSE;
extern "C" int CPL_DLL GDALIsInGlobalDestructor(void);
int GDALIsInGlobalDestructor(void)
{
return bInGDALGlobalDestructor;
}
/************************************************************************/
/* The library set-up/clean-up routines implemented with */
/* GNU C/C++ extensions. */
/* TODO: Is it Linux-only solution or Unix portable? */
/************************************************************************/
#ifdef __GNUC__
static void GDALInitialize(void) __attribute__ ((constructor)) ;
static void GDALDestroy(void) __attribute__ ((destructor)) ;
/************************************************************************/
/* Called when GDAL is loaded by loader or by dlopen(), */
/* and before dlopen() returns. */
/************************************************************************/
static void GDALInitialize(void)
{
// nothing to do
//CPLDebug("GDAL", "Library loaded");
}
/************************************************************************/
/* Called when GDAL is unloaded by loader or by dlclose(), */
/* and before dlclose() returns. */
/************************************************************************/
static void GDALDestroy(void)
{
// TODO: Confirm if calling CPLCleanupTLS here is safe
//CPLCleanupTLS();
if( !CSLTestBoolean(CPLGetConfigOption("GDAL_DESTROY", "YES")) )
return;
CPLDebug("GDAL", "In GDALDestroy - unloading GDAL shared library.");
bInGDALGlobalDestructor = TRUE;
CPLSetConfigOption("GDAL_CLOSE_JP2ECW_RESOURCE", "NO");
GDALDestroyDriverManager();
CPLSetConfigOption("GDAL_CLOSE_JP2ECW_RESOURCE", NULL);
#ifdef OGR_ENABLED
OGRCleanupAll();
#endif
bInGDALGlobalDestructor = FALSE;
}
#endif // __GNUC__
/************************************************************************/
/* The library set-up/clean-up routine implemented as DllMain entry */
/* point specific for Windows. */
/************************************************************************/
#ifdef _MSC_VER
#include <windows.h>
extern "C" int WINAPI DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID lpReserved)
{
UNREFERENCED_PARAMETER(hInstance);
UNREFERENCED_PARAMETER(lpReserved);
if (dwReason == DLL_PROCESS_ATTACH)
{
// nothing to do
}
else if (dwReason == DLL_THREAD_ATTACH)
{
// nothing to do
}
else if (dwReason == DLL_THREAD_DETACH)
{
::CPLCleanupTLS();
}
else if (dwReason == DLL_PROCESS_DETACH)
{
bInGDALGlobalDestructor = TRUE;
::GDALDestroyDriverManager();
#ifdef OGR_ENABLED
::OGRCleanupAll();
#endif
bInGDALGlobalDestructor = FALSE;
}
return 1; // ignroed for all reasons but DLL_PROCESS_ATTACH
}
#endif // _MSC_VER
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