Jes Sorensen | 1911350 | 2010-06-10 11:42:17 +0200 | [diff] [blame] | 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 | #include <windows.h> |
Paolo Bonzini | 0727b86 | 2013-02-20 14:43:31 +0100 | [diff] [blame] | 26 | #include <mmsystem.h> |
Jes Sorensen | 1911350 | 2010-06-10 11:42:17 +0200 | [diff] [blame] | 27 | #include <unistd.h> |
| 28 | #include <fcntl.h> |
| 29 | #include <signal.h> |
| 30 | #include <time.h> |
| 31 | #include <errno.h> |
| 32 | #include <sys/time.h> |
| 33 | #include "config-host.h" |
Paolo Bonzini | 9c17d61 | 2012-12-17 18:20:04 +0100 | [diff] [blame] | 34 | #include "sysemu/sysemu.h" |
Jes Sorensen | 59a5264 | 2010-06-10 11:42:25 +0200 | [diff] [blame] | 35 | #include "qemu-options.h" |
Jes Sorensen | 1911350 | 2010-06-10 11:42:17 +0200 | [diff] [blame] | 36 | |
| 37 | /***********************************************************/ |
Stefan Weil | 0a1574b | 2010-07-01 00:47:49 +0000 | [diff] [blame] | 38 | /* Functions missing in mingw */ |
| 39 | |
| 40 | int setenv(const char *name, const char *value, int overwrite) |
| 41 | { |
| 42 | int result = 0; |
| 43 | if (overwrite || !getenv(name)) { |
| 44 | size_t length = strlen(name) + strlen(value) + 2; |
Anthony Liguori | 7267c09 | 2011-08-20 22:09:37 -0500 | [diff] [blame] | 45 | char *string = g_malloc(length); |
Stefan Weil | 0a1574b | 2010-07-01 00:47:49 +0000 | [diff] [blame] | 46 | snprintf(string, length, "%s=%s", name, value); |
| 47 | result = putenv(string); |
Zhi Hui Li | 91a9ece | 2011-11-24 16:27:52 +0800 | [diff] [blame] | 48 | |
| 49 | /* Windows takes a copy and does not continue to use our string. |
| 50 | * Therefore it can be safely freed on this platform. POSIX code |
| 51 | * typically has to leak the string because according to the spec it |
| 52 | * becomes part of the environment. |
| 53 | */ |
| 54 | g_free(string); |
Stefan Weil | 0a1574b | 2010-07-01 00:47:49 +0000 | [diff] [blame] | 55 | } |
| 56 | return result; |
| 57 | } |
| 58 | |
Jes Sorensen | 69bd73b | 2010-06-10 11:42:20 +0200 | [diff] [blame] | 59 | static BOOL WINAPI qemu_ctrl_handler(DWORD type) |
| 60 | { |
Pavel Dovgaluk | b75a028 | 2012-05-30 10:08:04 +0400 | [diff] [blame] | 61 | qemu_system_shutdown_request(); |
| 62 | /* Windows 7 kills application when the function returns. |
| 63 | Sleep here to give QEMU a try for closing. |
| 64 | Sleep period is 10000ms because Windows kills the program |
| 65 | after 10 seconds anyway. */ |
| 66 | Sleep(10000); |
| 67 | |
Jes Sorensen | 69bd73b | 2010-06-10 11:42:20 +0200 | [diff] [blame] | 68 | return TRUE; |
| 69 | } |
| 70 | |
Paolo Bonzini | 0727b86 | 2013-02-20 14:43:31 +0100 | [diff] [blame] | 71 | static TIMECAPS mm_tc; |
| 72 | |
| 73 | static void os_undo_timer_resolution(void) |
| 74 | { |
| 75 | timeEndPeriod(mm_tc.wPeriodMin); |
| 76 | } |
| 77 | |
Jes Sorensen | fe98ac1 | 2010-06-10 11:42:21 +0200 | [diff] [blame] | 78 | void os_setup_early_signal_handling(void) |
Jes Sorensen | 69bd73b | 2010-06-10 11:42:20 +0200 | [diff] [blame] | 79 | { |
Jes Sorensen | 69bd73b | 2010-06-10 11:42:20 +0200 | [diff] [blame] | 80 | SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE); |
Paolo Bonzini | 0727b86 | 2013-02-20 14:43:31 +0100 | [diff] [blame] | 81 | timeGetDevCaps(&mm_tc, sizeof(mm_tc)); |
| 82 | timeBeginPeriod(mm_tc.wPeriodMin); |
| 83 | atexit(os_undo_timer_resolution); |
Jes Sorensen | 69bd73b | 2010-06-10 11:42:20 +0200 | [diff] [blame] | 84 | } |
Jes Sorensen | 6170540 | 2010-06-10 11:42:23 +0200 | [diff] [blame] | 85 | |
| 86 | /* Look for support files in the same directory as the executable. */ |
Fam Zheng | 10f5bff | 2014-02-10 14:48:51 +0800 | [diff] [blame] | 87 | char *os_find_datadir(void) |
Jes Sorensen | 6170540 | 2010-06-10 11:42:23 +0200 | [diff] [blame] | 88 | { |
Fam Zheng | 10f5bff | 2014-02-10 14:48:51 +0800 | [diff] [blame] | 89 | return qemu_get_exec_dir(); |
Jes Sorensen | 6170540 | 2010-06-10 11:42:23 +0200 | [diff] [blame] | 90 | } |
Jes Sorensen | 59a5264 | 2010-06-10 11:42:25 +0200 | [diff] [blame] | 91 | |
Stefan Weil | 6650b71 | 2010-10-07 18:55:48 +0200 | [diff] [blame] | 92 | void os_set_line_buffering(void) |
| 93 | { |
| 94 | setbuf(stdout, NULL); |
| 95 | setbuf(stderr, NULL); |
| 96 | } |
| 97 | |
Jes Sorensen | 59a5264 | 2010-06-10 11:42:25 +0200 | [diff] [blame] | 98 | /* |
| 99 | * Parse OS specific command line options. |
| 100 | * return 0 if option handled, -1 otherwise |
| 101 | */ |
| 102 | void os_parse_cmd_args(int index, const char *optarg) |
| 103 | { |
| 104 | return; |
| 105 | } |
Jes Sorensen | eb505be | 2010-06-10 11:42:28 +0200 | [diff] [blame] | 106 | |
Jes Sorensen | bc4a957 | 2010-10-26 10:39:25 +0200 | [diff] [blame] | 107 | int qemu_create_pidfile(const char *filename) |
| 108 | { |
| 109 | char buffer[128]; |
| 110 | int len; |
| 111 | HANDLE file; |
| 112 | OVERLAPPED overlap; |
| 113 | BOOL ret; |
| 114 | memset(&overlap, 0, sizeof(overlap)); |
| 115 | |
| 116 | file = CreateFile(filename, GENERIC_WRITE, FILE_SHARE_READ, NULL, |
Fabien Chouteau | bfc763f | 2011-11-07 15:36:14 +0100 | [diff] [blame] | 117 | OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL); |
Jes Sorensen | bc4a957 | 2010-10-26 10:39:25 +0200 | [diff] [blame] | 118 | |
| 119 | if (file == INVALID_HANDLE_VALUE) { |
| 120 | return -1; |
| 121 | } |
Stefan Weil | 59ad340 | 2011-07-15 21:38:14 +0200 | [diff] [blame] | 122 | len = snprintf(buffer, sizeof(buffer), "%d\n", getpid()); |
Fabien Chouteau | bfc763f | 2011-11-07 15:36:14 +0100 | [diff] [blame] | 123 | ret = WriteFile(file, (LPCVOID)buffer, (DWORD)len, |
| 124 | NULL, &overlap); |
| 125 | CloseHandle(file); |
Jes Sorensen | bc4a957 | 2010-10-26 10:39:25 +0200 | [diff] [blame] | 126 | if (ret == 0) { |
| 127 | return -1; |
| 128 | } |
| 129 | return 0; |
| 130 | } |