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1 | /* | |
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 | */ | |
25 | ||
26 | #include "qemu/osdep.h" | |
27 | #include <windows.h> | |
28 | #include <mmsystem.h> | |
29 | #include "sysemu/runstate.h" | |
30 | ||
31 | static BOOL WINAPI qemu_ctrl_handler(DWORD type) | |
32 | { | |
33 | qemu_system_shutdown_request(SHUTDOWN_CAUSE_HOST_SIGNAL); | |
34 | /* 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 | ||
40 | return TRUE; | |
41 | } | |
42 | ||
43 | static TIMECAPS mm_tc; | |
44 | ||
45 | static void os_undo_timer_resolution(void) | |
46 | { | |
47 | timeEndPeriod(mm_tc.wPeriodMin); | |
48 | } | |
49 | ||
50 | void os_setup_early_signal_handling(void) | |
51 | { | |
52 | SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE); | |
53 | timeGetDevCaps(&mm_tc, sizeof(mm_tc)); | |
54 | timeBeginPeriod(mm_tc.wPeriodMin); | |
55 | atexit(os_undo_timer_resolution); | |
56 | } | |
57 | ||
58 | void os_set_line_buffering(void) | |
59 | { | |
60 | setbuf(stdout, NULL); | |
61 | setbuf(stderr, NULL); | |
62 | } |