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 "qemu-common.h" 30 #include "sysemu/runstate.h" 31 32 static BOOL WINAPI qemu_ctrl_handler(DWORD type) 33 { 34 qemu_system_shutdown_request(SHUTDOWN_CAUSE_HOST_SIGNAL); 35 /* Windows 7 kills application when the function returns. 36 Sleep here to give QEMU a try for closing. 37 Sleep period is 10000ms because Windows kills the program 38 after 10 seconds anyway. */ 39 Sleep(10000); 40 41 return TRUE; 42 } 43 44 static TIMECAPS mm_tc; 45 46 static void os_undo_timer_resolution(void) 47 { 48 timeEndPeriod(mm_tc.wPeriodMin); 49 } 50 51 void os_setup_early_signal_handling(void) 52 { 53 SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE); 54 timeGetDevCaps(&mm_tc, sizeof(mm_tc)); 55 timeBeginPeriod(mm_tc.wPeriodMin); 56 atexit(os_undo_timer_resolution); 57 } 58 59 void os_set_line_buffering(void) 60 { 61 setbuf(stdout, NULL); 62 setbuf(stderr, NULL); 63 } 64 65 /* 66 * Parse OS specific command line options. 67 * return 0 if option handled, -1 otherwise 68 */ 69 int os_parse_cmd_args(int index, const char *optarg) 70 { 71 return -1; 72 } 73