diff options
Diffstat (limited to 'src/malloc.c')
-rw-r--r-- | src/malloc.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/src/malloc.c b/src/malloc.c index e89f5ab14..9986f377d 100644 --- a/src/malloc.c +++ b/src/malloc.c @@ -12,7 +12,7 @@ ** ** Memory allocation functions used throughout sqlite. ** -** $Id: malloc.c,v 1.64 2009/06/27 00:48:33 drh Exp $ +** $Id: malloc.c,v 1.65 2009/07/16 18:21:18 drh Exp $ */ #include "sqliteInt.h" #include <stdarg.h> @@ -88,13 +88,11 @@ static SQLITE_WSD struct Mem0Global { ** The alarm callback and its arguments. The mem0.mutex lock will ** be held while the callback is running. Recursive calls into ** the memory subsystem are allowed, but no new callbacks will be - ** issued. The alarmBusy variable is set to prevent recursive - ** callbacks. + ** issued. */ sqlite3_int64 alarmThreshold; void (*alarmCallback)(void*, sqlite3_int64,int); void *alarmArg; - int alarmBusy; /* ** Pointers to the end of sqlite3GlobalConfig.pScratch and @@ -103,7 +101,7 @@ static SQLITE_WSD struct Mem0Global { */ u32 *aScratchFree; u32 *aPageFree; -} mem0 = { 62560955, 0, 0, 0, 0, 0, 0, 0, 0 }; +} mem0 = { 0, 0, 0, 0, 0, 0, 0, 0 }; #define mem0 GLOBAL(struct Mem0Global, mem0) @@ -220,15 +218,16 @@ static void sqlite3MallocAlarm(int nByte){ void (*xCallback)(void*,sqlite3_int64,int); sqlite3_int64 nowUsed; void *pArg; - if( mem0.alarmCallback==0 || mem0.alarmBusy ) return; - mem0.alarmBusy = 1; + if( mem0.alarmCallback==0 ) return; xCallback = mem0.alarmCallback; nowUsed = sqlite3StatusValue(SQLITE_STATUS_MEMORY_USED); pArg = mem0.alarmArg; + mem0.alarmCallback = 0; sqlite3_mutex_leave(mem0.mutex); xCallback(pArg, nowUsed, nByte); sqlite3_mutex_enter(mem0.mutex); - mem0.alarmBusy = 0; + mem0.alarmCallback = xCallback; + mem0.alarmArg = pArg; } /* |