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Ignore async responses if handles don't match to drop outdated

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This commit is contained in:
ehouse 2009-09-26 18:27:28 +00:00
parent fab5aff8ad
commit 9f7b5e077c
1 changed files with 16 additions and 11 deletions
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27
xwords4/wince/cesockwr.c
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@ -256,6 +256,7 @@ getHostAddr( CeSocketWrapper* self )
if ( self->addrRec.u.ip_relay.hostName[0] ) {
XP_LOGF( "%s: calling WSAAsyncGetHostByName(%s)",
__func__, self->addrRec.u.ip_relay.hostName );
XP_ASSERT( !self->getHostTask );
self->getHostTask
= WSAAsyncGetHostByName( self->hWnd,
XWWM_HOSTNAME_ARRIVED,
@ -313,20 +314,24 @@ ce_sockwrap_hostname( CeSocketWrapper* self, WPARAM XP_UNUSED_DBG(wParam),
XP_ASSERT( CE_IPST_RESOLVINGHOST == self->connState );
if ( 0 == err ) {
XP_ASSERT( (HANDLE)wParam == self->getHostTask );
if ( (HANDLE)wParam != self->getHostTask ) {
XP_LOGF( "%s: ignoring old event", __func__ );
} else {
XP_U32 tmp;
XP_MEMCPY( &tmp, &self->hostNameUnion.hent.h_addr_list[0][0],
sizeof(tmp) );
self->addrRec.u.ip_relay.ipAddr = XP_NTOHL( tmp );
XP_U32 tmp;
XP_MEMCPY( &tmp, &self->hostNameUnion.hent.h_addr_list[0][0],
sizeof(tmp) );
self->addrRec.u.ip_relay.ipAddr = XP_NTOHL( tmp );
XP_LOGF( "got address: %d.%d.%d.%d",
(int)((tmp>>0) & 0xFF),
(int)((tmp>>8) & 0xFF),
(int)((tmp>>16) & 0xFF),
(int)((tmp>>24) & 0xFF) );
XP_LOGF( "got address: %d.%d.%d.%d",
(int)((tmp>>0) & 0xFF),
(int)((tmp>>8) & 0xFF),
(int)((tmp>>16) & 0xFF),
(int)((tmp>>24) & 0xFF) );
stateChanged( self, CE_IPST_HOSTRESOLVED );
stateChanged( self, CE_IPST_HOSTRESOLVED );
self->getHostTask = NULL;
}
} else {
XP_LOGF( "%s: async operation failed: %ld", __func__, err );
/* WSAENETDOWN */