jimzah/openafs
1
0
Fork 0
mirror of https://git.openafs.org/openafs.git synced 2025-01-20 16:00:12 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

notifyaddrchange-20040318

Browse Source 
NotifyAddrChange() on Win2000 without privs fails.  Detect the failure
and terminate the IPChangeMonitor thread to prevent an infinite loop
eating up system resources.

Anyone have a clue which bits are required?
This commit is contained in:
Jeffrey Altman 2004-03-19 01:09:40 +00:00 committed by Jeffrey Altman
parent 8f0422422d
commit e8fc0557d3
1 changed files with 25 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

39
src/WINNT/client_creds/afskfw.c
View File

@ -3462,12 +3462,13 @@ void
IpAddrChangeMonitor(void * hWnd)
{
#ifdef USE_OVERLAPPED
HANDLE Handle = INVALID_HANDLE_VALUE;
HANDLE Handle = INVALID_HANDLE_VALUE; /* Do Not Close This Handle */
OVERLAPPED Ovlap;
#endif /* USE_OVERLAPPED */
DWORD Result;
DWORD prevNumOfAddrs = GetNumOfIpAddrs();
DWORD NumOfAddrs;
char message[256];
if ( !hWnd )
return;
@ -3479,33 +3480,48 @@ IpAddrChangeMonitor(void * hWnd)
Result = NotifyAddrChange(&Handle,&Ovlap);
if (Result != ERROR_IO_PENDING)
{
printf("NotifyAddrChange() failed with error %d \n", Result);
if ( IsDebuggerPresent() ) {
sprintf(message, "NotifyAddrChange() failed with error %d \n", Result);
OutputDebugString(message);
}
break;
}
if ((Result = WaitForSingleObject(Handle,INFINITE)) == WAIT_FAILED)
if ((Result = WaitForSingleObject(Handle,INFINITE)) != WAIT_OBJECT_0)
{
printf("WaitForSingleObject() failed with error %d\n",
GetLastError());
if ( IsDebuggerPresent() ) {
sprintf(message, "WaitForSingleObject() failed with error %d\n",
GetLastError());
OutputDebugString(message);
}
continue;
}
if (GetOverlappedResult(Handle, &Ovlap,
&DataTransfered, TRUE) == 0)
{
printf("GetOverlapped result failed %d \n",
GetLastError());
if ( IsDebuggerPresent() ) {
sprintf(message, "GetOverlapped result failed %d \n",
GetLastError());
OutputDebugString(message);
}
break;
}
#else
Result = NotifyAddrChange(NULL,NULL);
if (Result != NO_ERROR)
{
if ( IsDebuggerPresent() ) {
sprintf(message, "NotifyAddrChange() failed with error %d \n", Result);
OutputDebugString(message);
}
break;
}
#endif
NumOfAddrs = GetNumOfIpAddrs();
if ( IsDebuggerPresent() ) {
char message[256];
sprintf(message,"IPAddrChangeMonitor() NumOfAddrs: now %d was %d\n",
NumOfAddrs, prevNumOfAddrs);
OutputDebugString(message);
@ -3520,11 +3536,6 @@ IpAddrChangeMonitor(void * hWnd)
}
prevNumOfAddrs = NumOfAddrs;
}
#ifdef USE_OVERLAPPED
if (Handle != INVALID_HANDLE_VALUE)
CloseHandle(Handle);
#endif
}