| 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 "system/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 | } |