1 : /******************************************************************************
2 : * $Id$
3 : *
4 : * Project: GDAL Core
5 : * Purpose: The library set-up/clean-up routines.
6 : * Author: Mateusz Loskot <mateusz@loskot.net>
7 : *
8 : ******************************************************************************
9 : * Copyright (c) 2010, Mateusz Loskot <mateusz@loskot.net>
10 : *
11 : * Permission is hereby granted, free of charge, to any person obtaining a
12 : * copy of this software and associated documentation files (the "Software"),
13 : * to deal in the Software without restriction, including without limitation
14 : * the rights to use, copy, modify, merge, publish, distribute, sublicense,
15 : * and/or sell copies of the Software, and to permit persons to whom the
16 : * Software is furnished to do so, subject to the following conditions:
17 : *
18 : * The above copyright notice and this permission notice shall be included
19 : * in all copies or substantial portions of the Software.
20 : *
21 : * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
22 : * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23 : * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
24 : * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
25 : * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
26 : * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
27 : * DEALINGS IN THE SOFTWARE.
28 : ****************************************************************************/
29 :
30 : #include "gdal.h"
31 : #include "ogr_api.h"
32 : #include "cpl_multiproc.h"
33 :
34 :
35 : /************************************************************************/
36 : /* The library set-up/clean-up routines implemented with */
37 : /* GNU C/C++ extensions. */
38 : /* TODO: Is it Linux-only solution or Unix portable? */
39 : /************************************************************************/
40 : #ifdef __GNUC__
41 :
42 : static void GDALInitialize(void) __attribute__ ((constructor)) ;
43 : static void GDALDestroy(void) __attribute__ ((destructor)) ;
44 :
45 : /************************************************************************/
46 : /* Called when GDAL is loaded by loader or by dlopen(), */
47 : /* and before dlopen() returns. */
48 : /************************************************************************/
49 :
50 713 : static void GDALInitialize(void)
51 : {
52 : // nothing to do
53 : //CPLDebug("GDAL", "Library loaded");
54 713 : }
55 :
56 : /************************************************************************/
57 : /* Called when GDAL is unloaded by loader or by dlclose(), */
58 : /* and before dlclose() returns. */
59 : /************************************************************************/
60 :
61 0 : static void GDALDestroy(void)
62 : {
63 : // TODO: Confirm if calling CPLCleanupTLS here is safe
64 : //CPLCleanupTLS();
65 :
66 0 : CPLDebug("GDAL", "In GDALDestroy - unloading GDAL shared library.");
67 0 : GDALDestroyDriverManager();
68 :
69 : #ifdef OGR_ENABLED
70 0 : OGRCleanupAll();
71 : #endif
72 0 : }
73 :
74 : #endif // __GNUC__
75 :
76 :
77 : /************************************************************************/
78 : /* The library set-up/clean-up routine implemented as DllMain entry */
79 : /* point specific for Windows. */
80 : /************************************************************************/
81 : #ifdef _MSC_VER
82 :
83 : #include <windows.h>
84 :
85 : extern "C" int WINAPI DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID lpReserved)
86 : {
87 : UNREFERENCED_PARAMETER(hInstance);
88 : UNREFERENCED_PARAMETER(lpReserved);
89 :
90 : if (dwReason == DLL_PROCESS_ATTACH)
91 : {
92 : // nothing to do
93 : }
94 : else if (dwReason == DLL_THREAD_ATTACH)
95 : {
96 : // nothing to do
97 : }
98 : else if (dwReason == DLL_THREAD_DETACH)
99 : {
100 : ::CPLCleanupTLS();
101 : }
102 : else if (dwReason == DLL_PROCESS_DETACH)
103 : {
104 : ::GDALDestroyDriverManager();
105 :
106 : #ifdef OGR_ENABLED
107 : ::OGRCleanupAll();
108 : #endif
109 : }
110 :
111 : return 1; // ignroed for all reasons but DLL_PROCESS_ATTACH
112 : }
113 :
114 : #endif // _MSC_VER
115 :
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