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ntdll: Only return STATUS_USER_APC from a wait if a real user APC has been run. 

Based on a patch by Thomas Kho.
This commit is contained in:
Alexandre Julliard 2007-01-10 20:48:02 +01:00
parent 30a2645ee7
commit e3247ecc70
1 changed files with 7 additions and 5 deletions
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12
dlls/ntdll/sync.c
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@ -655,10 +655,11 @@ static int wait_reply( void *cookie )
/***********************************************************************
* call_apcs
*
* Call outstanding APCs.
* Call outstanding APCs. Return TRUE if a user APC has been run.
*/
static void call_apcs( BOOL alertable )
static BOOL call_apcs( BOOL alertable )
{
BOOL user_apc = FALSE;
NTSTATUS ret;
apc_call_t call;
HANDLE handle = 0;
@ -677,12 +678,13 @@ static void call_apcs( BOOL alertable )
}
SERVER_END_REQ;
if (ret) return; /* no more APCs */
if (ret) return user_apc; /* no more APCs */
switch (call.type)
{
case APC_USER:
call.user.func( call.user.args[0], call.user.args[1], call.user.args[2] );
user_apc = TRUE;
break;
case APC_TIMER:
{
@ -691,6 +693,7 @@ static void call_apcs( BOOL alertable )
RtlSecondsSince1970ToTime( call.timer.time.sec, &time );
time.QuadPart += call.timer.time.usec * 10;
call.timer.func( call.timer.arg, time.u.LowPart, time.u.HighPart );
user_apc = TRUE;
break;
}
case APC_ASYNC_IO:
@ -733,8 +736,7 @@ NTSTATUS NTDLL_wait_for_multiple_objects( UINT count, const HANDLE *handles, UIN
SERVER_END_REQ;
if (ret == STATUS_PENDING) ret = wait_reply( &cookie );
if (ret != STATUS_USER_APC) break;
call_apcs( (flags & SELECT_ALERTABLE) != 0 );
if (flags & SELECT_ALERTABLE) break;
if (call_apcs( (flags & SELECT_ALERTABLE) != 0 )) break;
signal_object = 0; /* don't signal it multiple times */
}