mirror of
https://gitlab.uni-freiburg.de/opensourcevdi/spice
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8031558ee3
Signed-off-by: Frediano Ziglio <fziglio@redhat.com> Acked-by: Victor Toso <victortoso@redhat.com>
66 lines
1.8 KiB
C
66 lines
1.8 KiB
C
/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
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/*
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Copyright (C) 2018 Red Hat, Inc.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include <config.h>
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#include <glib.h>
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#ifdef _WIN32
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#include <windows.h>
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#include "win-alarm.h"
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static HANDLE alarm_cond = NULL;
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static DWORD WINAPI alarm_thread_proc(LPVOID arg)
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{
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unsigned int timeout = (uintptr_t) arg;
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switch (WaitForSingleObject(alarm_cond, timeout * 1000)) {
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case WAIT_OBJECT_0:
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return 0;
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}
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abort();
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return 0;
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}
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void alarm(unsigned int timeout)
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{
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static HANDLE thread = NULL;
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// create an event to stop the alarm thread
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if (alarm_cond == NULL) {
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alarm_cond = CreateEvent(NULL, TRUE, FALSE, NULL);
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g_assert(alarm_cond != NULL);
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}
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// stop old alarm
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if (thread) {
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SetEvent(alarm_cond);
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g_assert(WaitForSingleObject(thread, INFINITE) == WAIT_OBJECT_0);
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CloseHandle(thread);
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thread = NULL;
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}
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if (timeout) {
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ResetEvent(alarm_cond);
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// start alarm thread
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thread = CreateThread(NULL, 0, alarm_thread_proc, (LPVOID) (uintptr_t) timeout, 0, NULL);
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g_assert(thread);
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}
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}
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#endif
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