X-Git-Url: https://git.proxmox.com/?p=mirror_qemu.git;a=blobdiff_plain;f=os-win32.c;h=6d921898107c8c23af4591bb13ed8a2be5325415;hp=8ad5fa1fc37d156b1db8e36cb3076b8637df0828;hb=c4107e8208d0222f9b328691b519aaee4101db87;hpb=bfc763fcfa80d89d31c4f801c2a82130dd92c708 diff --git a/os-win32.c b/os-win32.c index 8ad5fa1fc3..6d92189810 100644 --- a/os-win32.c +++ b/os-win32.c @@ -22,15 +22,12 @@ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ + +#include "qemu/osdep.h" #include -#include -#include -#include -#include -#include -#include -#include "config-host.h" -#include "sysemu.h" +#include +#include "qemu-common.h" +#include "sysemu/sysemu.h" #include "qemu-options.h" /***********************************************************/ @@ -44,60 +41,48 @@ int setenv(const char *name, const char *value, int overwrite) 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) { - exit(STATUS_CONTROL_C_EXIT); + qemu_system_shutdown_request(SHUTDOWN_CAUSE_HOST_SIGNAL); + /* 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; } -void os_setup_early_signal_handling(void) +static TIMECAPS mm_tc; + +static void os_undo_timer_resolution(void) { - /* Note: cpu_interrupt() is currently not SMP safe, so we force - QEMU to run on a single CPU */ - HANDLE h; - DWORD_PTR mask, smask; - int i; + timeEndPeriod(mm_tc.wPeriodMin); +} +void os_setup_early_signal_handling(void) +{ SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE); - - h = GetCurrentProcess(); - if (GetProcessAffinityMask(h, &mask, &smask)) { - for(i = 0; i < 32; i++) { - if (mask & (1 << i)) - break; - } - if (i != 32) { - mask = 1 << i; - SetProcessAffinityMask(h, mask); - } - } + 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(const char *argv0) +char *os_find_datadir(void) { - char *p; - char buf[MAX_PATH]; - DWORD len; - - len = GetModuleFileName(NULL, buf, sizeof(buf) - 1); - if (len == 0) { - return NULL; - } - - buf[len] = 0; - p = buf + len - 1; - while (p != buf && *p != '\\') - p--; - *p = 0; - if (access(buf, R_OK) == 0) { - return g_strdup(buf); - } - return NULL; + return qemu_get_exec_dir(); } void os_set_line_buffering(void) @@ -110,42 +95,7 @@ void os_set_line_buffering(void) * Parse OS specific command line options. * return 0 if option handled, -1 otherwise */ -void os_parse_cmd_args(int index, const char *optarg) -{ - return; -} - -void os_pidfile_error(void) -{ - fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno)); -} - -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; -} - -int qemu_get_thread_id(void) +int os_parse_cmd_args(int index, const char *optarg) { - return GetCurrentThreadId(); + return -1; }