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Make extra calls to sqlite3_shutdown() be harmless no-ops. (CVS 6520)

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FossilOrigin-Name: d80822953c2d2f2fd7f6acdd3caa403c0decacc4
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drh
2009-04-19 12:23:58 +00:00
parent 0bf9f7bca4
commit d1a2440d6a
4 changed files with 27 additions and 18 deletions
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22
src/main.c
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@@ -14,7 +14,7 @@
** other files are for internal use by SQLite and should not be
** accessed by users of the library.
**
** $Id: main.c,v 1.537 2009/04/17 16:54:23 drh Exp $
** $Id: main.c,v 1.538 2009/04/19 12:23:58 drh Exp $
*/
#include "sqliteInt.h"
@@ -213,18 +213,22 @@ int sqlite3_initialize(void){
** Undo the effects of sqlite3_initialize(). Must not be called while
** there are outstanding database connections or memory allocations or
** while any part of SQLite is otherwise in use in any thread. This
** routine is not threadsafe. Not by a long shot.
** routine is not threadsafe. But it is safe to invoke this routine
** on when SQLite is already shut down. If SQLite is already shut down
** when this routine is invoked, then this routine is a harmless no-op.
*/
int sqlite3_shutdown(void){
sqlite3GlobalConfig.isMallocInit = 0;
sqlite3PcacheShutdown();
if( sqlite3GlobalConfig.isInit ){
sqlite3_os_end();
sqlite3GlobalConfig.isMallocInit = 0;
sqlite3PcacheShutdown();
if( sqlite3GlobalConfig.isInit ){
sqlite3_os_end();
}
sqlite3_reset_auto_extension();
sqlite3MallocEnd();
sqlite3MutexEnd();
sqlite3GlobalConfig.isInit = 0;
}
sqlite3_reset_auto_extension();
sqlite3MallocEnd();
sqlite3MutexEnd();
sqlite3GlobalConfig.isInit = 0;
return SQLITE_OK;
}