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OS/2 crashes on startup

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This commit is contained in:
mkaply%us.ibm.com 2006-03-16 17:21:52 +00:00
parent a8696e5303
commit 4cf804d8be
1 changed files with 12 additions and 13 deletions
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25
db/sqlite3/src/os_os2.c
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@ -919,39 +919,38 @@ int sqlite3_tsd_count = 0;
** Return a pointer to the thread specific data or NULL if it is
** unallocated or gets deallocated.
*/
ThreadData *sqlite3Os2ThreadSpecificData( int allocateFlag ){
static int keyInit = 0;
static APIRET rc = NO_ERROR;
ThreadData *sqlite3Os2ThreadSpecificData(int allocateFlag){
static ThreadData **s_ppTsd = NULL;
static const ThreadData zeroData = {0};
ThreadData *pTsd;
static int num_dwords = (sizeof(pTsd) + 3)/4;
if( !keyInit ){
if( !s_ppTsd ){
sqlite3OsEnterMutex();
if( !keyInit ){
rc = DosAllocThreadLocalMemory( num_dwords, (PULONG*)&pTsd );
if( !s_ppTsd ){
PULONG pul;
APIRET rc = DosAllocThreadLocalMemory(1, &pul);
if( !rc ){
sqlite3OsLeaveMutex();
return 0;
}
keyInit = 1;
s_ppTsd = (ThreadData **)pul;
}
sqlite3OsLeaveMutex();
}
// pTsd = TlsGetValue(key);
pTsd = *s_ppTsd;
if( allocateFlag>0 ){
if( !pTsd ){
pTsd = sqlite3OsMalloc( sizeof(zeroData) );
if( pTsd ){
*pTsd = zeroData;
// TlsSetValue(key, pTsd);
*s_ppTsd = pTsd;
TSD_COUNTER_INCR;
}
}
}else if( pTsd!=0 && allocateFlag<0
&& memcmp( pTsd, &zeroData, sizeof(ThreadData) )==0 ){
}else if( pTsd!=0 && allocateFlag<0
&& memcmp(pTsd, &zeroData, sizeof(ThreadData))==0 ){
sqlite3OsFree(pTsd);
rc = DosFreeThreadLocalMemory( (PULONG)pTsd );
*s_ppTsd = NULL;
TSD_COUNTER_DECR;
pTsd = 0;
}