| /* |
| * os-win32.c |
| * |
| * Copyright (c) 2003-2008 Fabrice Bellard |
| * Copyright (c) 2010 Red Hat, Inc. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to deal |
| * in the Software without restriction, including without limitation the rights |
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| * copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| * THE SOFTWARE. |
| */ |
| #include <windows.h> |
| #include <mmsystem.h> |
| #include <unistd.h> |
| #include <fcntl.h> |
| #include <signal.h> |
| #include <time.h> |
| #include <errno.h> |
| #include <sys/time.h> |
| #include "config-host.h" |
| #include "sysemu/sysemu.h" |
| #include "qemu-options.h" |
| |
| /***********************************************************/ |
| /* Functions missing in mingw */ |
| |
| int setenv(const char *name, const char *value, int overwrite) |
| { |
| int result = 0; |
| if (overwrite || !getenv(name)) { |
| size_t length = strlen(name) + strlen(value) + 2; |
| char *string = g_malloc(length); |
| snprintf(string, length, "%s=%s", name, value); |
| result = putenv(string); |
| |
| /* Windows takes a copy and does not continue to use our string. |
| * Therefore it can be safely freed on this platform. POSIX code |
| * typically has to leak the string because according to the spec it |
| * becomes part of the environment. |
| */ |
| g_free(string); |
| } |
| return result; |
| } |
| |
| static BOOL WINAPI qemu_ctrl_handler(DWORD type) |
| { |
| qemu_system_shutdown_request(); |
| /* Windows 7 kills application when the function returns. |
| Sleep here to give QEMU a try for closing. |
| Sleep period is 10000ms because Windows kills the program |
| after 10 seconds anyway. */ |
| Sleep(10000); |
| |
| return TRUE; |
| } |
| |
| static TIMECAPS mm_tc; |
| |
| static void os_undo_timer_resolution(void) |
| { |
| timeEndPeriod(mm_tc.wPeriodMin); |
| } |
| |
| void os_setup_early_signal_handling(void) |
| { |
| SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE); |
| timeGetDevCaps(&mm_tc, sizeof(mm_tc)); |
| timeBeginPeriod(mm_tc.wPeriodMin); |
| atexit(os_undo_timer_resolution); |
| } |
| |
| /* Look for support files in the same directory as the executable. */ |
| char *os_find_datadir(void) |
| { |
| return qemu_get_exec_dir(); |
| } |
| |
| void os_set_line_buffering(void) |
| { |
| setbuf(stdout, NULL); |
| setbuf(stderr, NULL); |
| } |
| |
| /* |
| * Parse OS specific command line options. |
| * return 0 if option handled, -1 otherwise |
| */ |
| void os_parse_cmd_args(int index, const char *optarg) |
| { |
| return; |
| } |
| |
| int qemu_create_pidfile(const char *filename) |
| { |
| char buffer[128]; |
| int len; |
| HANDLE file; |
| OVERLAPPED overlap; |
| BOOL ret; |
| memset(&overlap, 0, sizeof(overlap)); |
| |
| file = CreateFile(filename, GENERIC_WRITE, FILE_SHARE_READ, NULL, |
| OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL); |
| |
| if (file == INVALID_HANDLE_VALUE) { |
| return -1; |
| } |
| len = snprintf(buffer, sizeof(buffer), "%d\n", getpid()); |
| ret = WriteFile(file, (LPCVOID)buffer, (DWORD)len, |
| NULL, &overlap); |
| CloseHandle(file); |
| if (ret == 0) { |
| return -1; |
| } |
| return 0; |
| } |