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Overview
| Comment: | Add SQLITE_WIN32_HEAP_CREATE compiler define to control whether or not the Win32 native allocator will create an isolated heap for all allocated data. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | winrt |
| Files: | files | file ages | folders |
| SHA1: |
8693fb652ecd1ad0b03e9067839970b3 |
| User & Date: | mistachkin 2012-03-15 03:40:59 |
Context
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2012-03-16
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| 10:28 | Reset the sqlite3_data_directory and sqlite3_temp_directory variables when the sqlite3_shutdown function is called since they may refer to memory allocated by the heap subsystem that was just shutdown. check-in: cd70bc4b user: mistachkin tags: winrt | |
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2012-03-15
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| 03:40 | Add SQLITE_WIN32_HEAP_CREATE compiler define to control whether or not the Win32 native allocator will create an isolated heap for all allocated data. check-in: 8693fb65 user: mistachkin tags: winrt | |
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2012-03-14
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| 23:08 | Fix macro issues for osGetProcessHeap and sqlite3_win32_write_debug. check-in: d3d07159 user: mistachkin tags: winrt | |
Changes
Changes to src/os_win.c.
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#endif
/*
* If compiled with SQLITE_WIN32_MALLOC on Windows, we will use the
* various Win32 API heap functions instead of our own.
*/
#ifdef SQLITE_WIN32_MALLOC
/*
* The initial size of the Win32-specific heap. This value may be zero.
*/
#ifndef SQLITE_WIN32_HEAP_INIT_SIZE
# define SQLITE_WIN32_HEAP_INIT_SIZE ((SQLITE_DEFAULT_CACHE_SIZE) * \
(SQLITE_DEFAULT_PAGE_SIZE) + 4194304)
#endif
................................................................................
*/
static int winMemInit(void *pAppData){
winMemData *pWinMemData = (winMemData *)pAppData;
if( !pWinMemData ) return SQLITE_ERROR;
assert( pWinMemData->magic==WINMEM_MAGIC );
#if !SQLITE_OS_WINRT
if( !pWinMemData->hHeap ){
pWinMemData->hHeap = osHeapCreate(SQLITE_WIN32_HEAP_FLAGS,
SQLITE_WIN32_HEAP_INIT_SIZE,
SQLITE_WIN32_HEAP_MAX_SIZE);
if( !pWinMemData->hHeap ){
sqlite3_log(SQLITE_NOMEM,
"failed to HeapCreate (%d), flags=%u, initSize=%u, maxSize=%u",
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#endif /* * If compiled with SQLITE_WIN32_MALLOC on Windows, we will use the * various Win32 API heap functions instead of our own. */ #ifdef SQLITE_WIN32_MALLOC /* * If this is non-zero, an isolated heap will be created by the native Win32 * allocator subsystem; otherwise, the default process heap will be used. This * setting has no effect when compiling for WinRT. By default, this is enabled * and an isolated heap will be created to store all allocated data. * ****************************************************************************** * WARNING: It is important to note that when this setting is non-zero and the * winMemShutdown function is called (e.g. by the sqlite3_shutdown * function), all data that was allocated using the isolated heap will * be freed immediately and any attempt to access any of that freed * data will almost certainly result in an immediate access violation. ****************************************************************************** */ #ifndef SQLITE_WIN32_HEAP_CREATE # define SQLITE_WIN32_HEAP_CREATE (TRUE) #endif /* * The initial size of the Win32-specific heap. This value may be zero. */ #ifndef SQLITE_WIN32_HEAP_INIT_SIZE # define SQLITE_WIN32_HEAP_INIT_SIZE ((SQLITE_DEFAULT_CACHE_SIZE) * \ (SQLITE_DEFAULT_PAGE_SIZE) + 4194304) #endif ................................................................................ */ static int winMemInit(void *pAppData){ winMemData *pWinMemData = (winMemData *)pAppData; if( !pWinMemData ) return SQLITE_ERROR; assert( pWinMemData->magic==WINMEM_MAGIC ); #if !SQLITE_OS_WINRT && SQLITE_WIN32_HEAP_CREATE if( !pWinMemData->hHeap ){ pWinMemData->hHeap = osHeapCreate(SQLITE_WIN32_HEAP_FLAGS, SQLITE_WIN32_HEAP_INIT_SIZE, SQLITE_WIN32_HEAP_MAX_SIZE); if( !pWinMemData->hHeap ){ sqlite3_log(SQLITE_NOMEM, "failed to HeapCreate (%d), flags=%u, initSize=%u, maxSize=%u", |