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Jes Sorensen19113502010-06-10 11:42:17 +02001/*
2 * os-win32.c
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 * Copyright (c) 2010 Red Hat, Inc.
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal
9 * in the Software without restriction, including without limitation the rights
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 * copies of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
23 * THE SOFTWARE.
24 */
Markus Armbrustera8d25322019-05-23 16:35:08 +020025
Peter Maydelld38ea872016-01-29 17:50:05 +000026#include "qemu/osdep.h"
Jes Sorensen19113502010-06-10 11:42:17 +020027#include <windows.h>
Paolo Bonzini0727b862013-02-20 14:43:31 +010028#include <mmsystem.h>
Markus Armbruster54d31232019-08-12 07:23:59 +020029#include "sysemu/runstate.h"
Jes Sorensen19113502010-06-10 11:42:17 +020030
Jes Sorensen69bd73b2010-06-10 11:42:20 +020031static BOOL WINAPI qemu_ctrl_handler(DWORD type)
32{
Eric Blakecf83f142017-05-15 16:41:13 -050033 qemu_system_shutdown_request(SHUTDOWN_CAUSE_HOST_SIGNAL);
Pavel Dovgalukb75a0282012-05-30 10:08:04 +040034 /* Windows 7 kills application when the function returns.
35 Sleep here to give QEMU a try for closing.
36 Sleep period is 10000ms because Windows kills the program
37 after 10 seconds anyway. */
38 Sleep(10000);
39
Jes Sorensen69bd73b2010-06-10 11:42:20 +020040 return TRUE;
41}
42
Paolo Bonzini0727b862013-02-20 14:43:31 +010043static TIMECAPS mm_tc;
44
45static void os_undo_timer_resolution(void)
46{
47 timeEndPeriod(mm_tc.wPeriodMin);
48}
49
Jes Sorensenfe98ac12010-06-10 11:42:21 +020050void os_setup_early_signal_handling(void)
Jes Sorensen69bd73b2010-06-10 11:42:20 +020051{
Jes Sorensen69bd73b2010-06-10 11:42:20 +020052 SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE);
Paolo Bonzini0727b862013-02-20 14:43:31 +010053 timeGetDevCaps(&mm_tc, sizeof(mm_tc));
54 timeBeginPeriod(mm_tc.wPeriodMin);
55 atexit(os_undo_timer_resolution);
Jes Sorensen69bd73b2010-06-10 11:42:20 +020056}
Jes Sorensen61705402010-06-10 11:42:23 +020057
Stefan Weil6650b712010-10-07 18:55:48 +020058void os_set_line_buffering(void)
59{
60 setbuf(stdout, NULL);
61 setbuf(stderr, NULL);
62}