database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-11-09 14:21:03 +03:00
Code Activity

Add a runtime interface to enable memory-management features. (CVS 2894)

Browse Source 
FossilOrigin-Name: 44f8e3139aa3ad3fcce9028565dd9ad23bbe62a2
This commit is contained in:
danielk1977
2006-01-09 09:59:49 +00:00
parent e501b89ada
commit 52622828ce
9 changed files with 156 additions and 68 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
src/util.c
View File

@@ -14,7 +14,7 @@
** This file contains functions for allocating memory, comparing
** strings, and stuff like that.
**
** $Id: util.c,v 1.163 2006/01/09 06:29:49 danielk1977 Exp $
** $Id: util.c,v 1.164 2006/01/09 09:59:49 danielk1977 Exp $
*/
#include "sqliteInt.h"
#include "os.h"
@@ -529,7 +529,7 @@ static void handleSoftLimit(int n){
}
}
#else
#define handleSoftLimit()
#define handleSoftLimit(x)
#endif
/*
@@ -1307,7 +1307,9 @@ void *sqlite3TextToPtr(const char *z){
ThreadData *sqlite3ThreadData(){
ThreadData *pTsd = sqlite3OsThreadSpecificData(sizeof(ThreadData));
if( pTsd && !pTsd->isInit ){
#ifndef SQLITE_OMIT_MEMORY_MANAGEMENT
pTsd->nSoftHeapLimit = -1;
#endif
#ifndef NDEBUG
pTsd->mallocAllowed = 1;
#endif
@@ -1324,6 +1326,25 @@ void sqlite3MallocClearFailed(){
sqlite3ThreadData()->mallocFailed = 0;
}
#ifndef SQLITE_OMIT_MEMORY_MANAGEMENT
/*
** Enable the shared pager and schema features.
*/
int sqlite3_enable_memory_management(int enable){
ThreadData *pTsd = sqlite3ThreadData();
/* It is only legal to call sqlite3_enable_memory_management() when there
** are no currently open connections that were opened by the calling
** thread. This condition is only easy to detect if the feature were
** previously enabled (and is being disabled).
*/
if( pTsd->pPager && !enable ){
return SQLITE_MISUSE;
}
pTsd->useMemoryManagement = enable;
return SQLITE_OK;
}
#endif
#ifndef NDEBUG
/*