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Viewing changes to src/windows/identity/ui/addrchange.c

  • Committer: Bazaar Package Importer
  • Author(s): Martin Pitt
  • Date: 2006-10-30 10:28:53 UTC
  • mfrom: (1.1.3 upstream)
  • Revision ID: james.westby@ubuntu.com-20061030102853-x7v876vw4af46v0m
Tags: 1.4.4-3ubuntu1
* Merge with Debian; only Ubuntu change:
  - src/include/k5-thread.h: Define__USE_GNU when #include'ing pthread.h to
    fix FTBFS (from 1.4.3-9ubuntu1).

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src/windows/identity/ui/addrchange.c
 
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/*
 
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 * Copyright (c) 2005 Massachusetts Institute of Technology
 
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 *
 
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 * Permission is hereby granted, free of charge, to any person
 
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 * obtaining a copy of this software and associated documentation
 
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 * files (the "Software"), to deal in the Software without
 
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 * restriction, including without limitation the rights to use, copy,
 
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 * modify, merge, publish, distribute, sublicense, and/or sell copies
 
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 * of the Software, and to permit persons to whom the Software is
 
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 * furnished to do so, subject to the following conditions:
 
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 *
 
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 * The above copyright notice and this permission notice shall be
 
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 * included in all copies or substantial portions of the Software.
 
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 *
 
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 
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 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 
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 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 
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 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 
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 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 
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 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 
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 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 
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 * SOFTWARE.
 
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 */
 
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/* $Id$ */
 
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#include<khmapp.h>
 
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#include<iphlpapi.h>
 
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static HANDLE evt_terminate = NULL;
 
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static HANDLE h_thread = NULL;
 
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DWORD WINAPI
 
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addr_change_thread(LPVOID dummy) {
 
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    HANDLE h_waits[2];
 
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    HANDLE h_notify;
 
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    OVERLAPPED overlap;
 
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    DWORD ret;
 
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    ZeroMemory(&overlap, sizeof(overlap));
 
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    h_notify = NULL;
 
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    overlap.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
 
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    do {
 
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        ret = NotifyAddrChange(&h_notify, &overlap);
 
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        if (ret != ERROR_IO_PENDING) {
 
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            goto _end_thread;   /* some error */
 
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        }
 
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        h_waits[0] = overlap.hEvent;
 
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        h_waits[1] = evt_terminate;
 
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        ret = WaitForMultipleObjects(2, h_waits, FALSE, INFINITE);
 
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        if ( ret == WAIT_OBJECT_0 ) {
 
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            kmq_post_message(KMSG_CRED, KMSG_CRED_ADDR_CHANGE,
 
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                             0, 0);
 
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        } else {
 
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            goto _end_thread;
 
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        }
 
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    } while(TRUE);
 
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 _end_thread:
 
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    ExitThread(0);
 
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    return 0;                   /* unreachable */
 
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}
 
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void
 
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khm_addr_change_notifier_init(void) {
 
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    evt_terminate = CreateEvent(NULL, FALSE, FALSE, NULL);
 
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    h_thread = CreateThread(NULL,
 
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                            64 * 4096,
 
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                            addr_change_thread,
 
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                            NULL,
 
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                            0,
 
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                            NULL);
 
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}
 
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void
 
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khm_addr_change_notifier_exit(void) {
 
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    if (h_thread && evt_terminate) {
 
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        SetEvent(evt_terminate);
 
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        WaitForSingleObject(h_thread, INFINITE);
 
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        CloseHandle(h_thread);
 
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        CloseHandle(evt_terminate);
 
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    }
 
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}