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Overview
| Comment: | Allow the Win32 native heap flags to be overridden at compile-time. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | winNativeHeap |
| Files: | files | file ages | folders |
| SHA1: |
1c2ecec8e7320bc5b532b3107005fb7f |
| User & Date: | mistachkin 2011-08-26 01:32:24 |
Context
|
2011-08-26
| ||
| 01:45 | Disable checking the winMemData structure signature when compiled with NDEBUG. check-in: 50edc2f9 user: mistachkin tags: winNativeHeap | |
| 01:32 | Allow the Win32 native heap flags to be overridden at compile-time. check-in: 1c2ecec8 user: mistachkin tags: winNativeHeap | |
|
2011-08-25
| ||
| 04:09 | Add comments for the various debug levels. When debugging, disable optimizations. Prevent the win32lock tests from spinning forever. check-in: 40185923 user: mistachkin tags: winNativeHeap | |
Changes
Changes to src/os_win.c.
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/*
* The maximum size of the Win32-specific heap. This value may be zero.
*/
#ifndef SQLITE_WIN32_HEAP_MAX_SIZE
# define SQLITE_WIN32_HEAP_MAX_SIZE (0)
#endif
/*
** The winMemData structure stores information required by the Win32-specific
** sqlite3_mem_methods implementation.
*/
typedef struct winMemData winMemData;
struct winMemData {
u32 magic; /* Magic number to detect structure corruption. */
................................................................................
void *p;
winMemAssertMagic();
hHeap = winMemGetHeap();
assert( hHeap!=0 );
assert( hHeap!=INVALID_HANDLE_VALUE );
#ifdef SQLITE_WIN32_MALLOC_VALIDATE
assert ( HeapValidate(hHeap, 0, NULL) );
#endif
assert( nBytes>=0 );
p = HeapAlloc(hHeap, 0, (SIZE_T)nBytes);
if( !p ){
sqlite3_log(SQLITE_NOMEM, "failed to HeapAlloc %u bytes (%d), heap=%p",
nBytes, GetLastError(), (void*)hHeap);
}
return p;
}
................................................................................
HANDLE hHeap;
winMemAssertMagic();
hHeap = winMemGetHeap();
assert( hHeap!=0 );
assert( hHeap!=INVALID_HANDLE_VALUE );
#ifdef SQLITE_WIN32_MALLOC_VALIDATE
assert ( HeapValidate(hHeap, 0, pPrior) );
#endif
if( !pPrior ) return; /* Passing NULL to HeapFree is undefined. */
if( !HeapFree(hHeap, 0, pPrior) ){
sqlite3_log(SQLITE_NOMEM, "failed to HeapFree block %p (%d), heap=%p",
pPrior, GetLastError(), (void*)hHeap);
}
}
/*
** Change the size of an existing memory allocation
................................................................................
void *p;
winMemAssertMagic();
hHeap = winMemGetHeap();
assert( hHeap!=0 );
assert( hHeap!=INVALID_HANDLE_VALUE );
#ifdef SQLITE_WIN32_MALLOC_VALIDATE
assert ( HeapValidate(hHeap, 0, pPrior) );
#endif
assert( nBytes>=0 );
if( !pPrior ){
p = HeapAlloc(hHeap, 0, (SIZE_T)nBytes);
}else{
p = HeapReAlloc(hHeap, 0, pPrior, (SIZE_T)nBytes);
}
if( !p ){
sqlite3_log(SQLITE_NOMEM, "failed to %s %u bytes (%d), heap=%p",
pPrior ? "HeapReAlloc" : "HeapAlloc", nBytes, GetLastError(),
(void*)hHeap);
}
return p;
................................................................................
SIZE_T n;
winMemAssertMagic();
hHeap = winMemGetHeap();
assert( hHeap!=0 );
assert( hHeap!=INVALID_HANDLE_VALUE );
#ifdef SQLITE_WIN32_MALLOC_VALIDATE
assert ( HeapValidate(hHeap, 0, NULL) );
#endif
if( !p ) return 0;
n = HeapSize(hHeap, 0, p);
if( n==(SIZE_T)-1 ){
sqlite3_log(SQLITE_NOMEM, "failed to HeapSize block %p (%d), heap=%p",
p, GetLastError(), (void*)hHeap);
return 0;
}
return (int)n;
}
................................................................................
*/
static int winMemInit(void *pAppData){
winMemData *pWinMemData = (winMemData *)pAppData;
if( !pWinMemData ) return SQLITE_ERROR;
assert( pWinMemData->magic==WINMEM_MAGIC );
if( !pWinMemData->hHeap ){
pWinMemData->hHeap = HeapCreate(0, SQLITE_WIN32_HEAP_INIT_SIZE,
SQLITE_WIN32_HEAP_MAX_SIZE);
if( !pWinMemData->hHeap ){
sqlite3_log(SQLITE_NOMEM,
"failed to HeapCreate (%d), initSize=%u, maxSize=%u",
GetLastError(), SQLITE_WIN32_HEAP_INIT_SIZE,
SQLITE_WIN32_HEAP_MAX_SIZE);
return SQLITE_NOMEM;
}
pWinMemData->bOwned = TRUE;
}
assert( pWinMemData->hHeap!=0 );
assert( pWinMemData->hHeap!=INVALID_HANDLE_VALUE );
#ifdef SQLITE_WIN32_MALLOC_VALIDATE
assert( HeapValidate(pWinMemData->hHeap, 0, NULL) );
#endif
return SQLITE_OK;
}
/*
** Deinitialize this module.
*/
................................................................................
static void winMemShutdown(void *pAppData){
winMemData *pWinMemData = (winMemData *)pAppData;
if( !pWinMemData ) return;
if( pWinMemData->hHeap ){
assert( pWinMemData->hHeap!=INVALID_HANDLE_VALUE );
#ifdef SQLITE_WIN32_MALLOC_VALIDATE
assert( HeapValidate(pWinMemData->hHeap, 0, NULL) );
#endif
if( pWinMemData->bOwned ){
if( !HeapDestroy(pWinMemData->hHeap) ){
sqlite3_log(SQLITE_NOMEM, "failed to HeapDestroy (%d), heap=%p",
GetLastError(), (void*)pWinMemData->hHeap);
}
pWinMemData->bOwned = FALSE;
|
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/* * The maximum size of the Win32-specific heap. This value may be zero. */ #ifndef SQLITE_WIN32_HEAP_MAX_SIZE # define SQLITE_WIN32_HEAP_MAX_SIZE (0) #endif /* * The extra flags to use in calls to the Win32 heap APIs. This value may be * zero for the default behavior. */ #ifndef SQLITE_WIN32_HEAP_FLAGS # define SQLITE_WIN32_HEAP_FLAGS (0) #endif /* ** The winMemData structure stores information required by the Win32-specific ** sqlite3_mem_methods implementation. */ typedef struct winMemData winMemData; struct winMemData { u32 magic; /* Magic number to detect structure corruption. */ ................................................................................ void *p; winMemAssertMagic(); hHeap = winMemGetHeap(); assert( hHeap!=0 ); assert( hHeap!=INVALID_HANDLE_VALUE ); #ifdef SQLITE_WIN32_MALLOC_VALIDATE assert ( HeapValidate(hHeap, SQLITE_WIN32_HEAP_FLAGS, NULL) ); #endif assert( nBytes>=0 ); p = HeapAlloc(hHeap, SQLITE_WIN32_HEAP_FLAGS, (SIZE_T)nBytes); if( !p ){ sqlite3_log(SQLITE_NOMEM, "failed to HeapAlloc %u bytes (%d), heap=%p", nBytes, GetLastError(), (void*)hHeap); } return p; } ................................................................................ HANDLE hHeap; winMemAssertMagic(); hHeap = winMemGetHeap(); assert( hHeap!=0 ); assert( hHeap!=INVALID_HANDLE_VALUE ); #ifdef SQLITE_WIN32_MALLOC_VALIDATE assert ( HeapValidate(hHeap, SQLITE_WIN32_HEAP_FLAGS, pPrior) ); #endif if( !pPrior ) return; /* Passing NULL to HeapFree is undefined. */ if( !HeapFree(hHeap, SQLITE_WIN32_HEAP_FLAGS, pPrior) ){ sqlite3_log(SQLITE_NOMEM, "failed to HeapFree block %p (%d), heap=%p", pPrior, GetLastError(), (void*)hHeap); } } /* ** Change the size of an existing memory allocation ................................................................................ void *p; winMemAssertMagic(); hHeap = winMemGetHeap(); assert( hHeap!=0 ); assert( hHeap!=INVALID_HANDLE_VALUE ); #ifdef SQLITE_WIN32_MALLOC_VALIDATE assert ( HeapValidate(hHeap, SQLITE_WIN32_HEAP_FLAGS, pPrior) ); #endif assert( nBytes>=0 ); if( !pPrior ){ p = HeapAlloc(hHeap, SQLITE_WIN32_HEAP_FLAGS, (SIZE_T)nBytes); }else{ p = HeapReAlloc(hHeap, SQLITE_WIN32_HEAP_FLAGS, pPrior, (SIZE_T)nBytes); } if( !p ){ sqlite3_log(SQLITE_NOMEM, "failed to %s %u bytes (%d), heap=%p", pPrior ? "HeapReAlloc" : "HeapAlloc", nBytes, GetLastError(), (void*)hHeap); } return p; ................................................................................ SIZE_T n; winMemAssertMagic(); hHeap = winMemGetHeap(); assert( hHeap!=0 ); assert( hHeap!=INVALID_HANDLE_VALUE ); #ifdef SQLITE_WIN32_MALLOC_VALIDATE assert ( HeapValidate(hHeap, SQLITE_WIN32_HEAP_FLAGS, NULL) ); #endif if( !p ) return 0; n = HeapSize(hHeap, SQLITE_WIN32_HEAP_FLAGS, p); if( n==(SIZE_T)-1 ){ sqlite3_log(SQLITE_NOMEM, "failed to HeapSize block %p (%d), heap=%p", p, GetLastError(), (void*)hHeap); return 0; } return (int)n; } ................................................................................ */ static int winMemInit(void *pAppData){ winMemData *pWinMemData = (winMemData *)pAppData; if( !pWinMemData ) return SQLITE_ERROR; assert( pWinMemData->magic==WINMEM_MAGIC ); if( !pWinMemData->hHeap ){ pWinMemData->hHeap = HeapCreate(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", GetLastError(), SQLITE_WIN32_HEAP_FLAGS, SQLITE_WIN32_HEAP_INIT_SIZE, SQLITE_WIN32_HEAP_MAX_SIZE); return SQLITE_NOMEM; } pWinMemData->bOwned = TRUE; } assert( pWinMemData->hHeap!=0 ); assert( pWinMemData->hHeap!=INVALID_HANDLE_VALUE ); #ifdef SQLITE_WIN32_MALLOC_VALIDATE assert( HeapValidate(pWinMemData->hHeap, SQLITE_WIN32_HEAP_FLAGS, NULL) ); #endif return SQLITE_OK; } /* ** Deinitialize this module. */ ................................................................................ static void winMemShutdown(void *pAppData){ winMemData *pWinMemData = (winMemData *)pAppData; if( !pWinMemData ) return; if( pWinMemData->hHeap ){ assert( pWinMemData->hHeap!=INVALID_HANDLE_VALUE ); #ifdef SQLITE_WIN32_MALLOC_VALIDATE assert( HeapValidate(pWinMemData->hHeap, SQLITE_WIN32_HEAP_FLAGS, NULL) ); #endif if( pWinMemData->bOwned ){ if( !HeapDestroy(pWinMemData->hHeap) ){ sqlite3_log(SQLITE_NOMEM, "failed to HeapDestroy (%d), heap=%p", GetLastError(), (void*)pWinMemData->hHeap); } pWinMemData->bOwned = FALSE; |