[mirror_qemu.git] / os-win32.c

/*
 * 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 "qemu/osdep.h"
#include <windows.h>
#include <mmsystem.h>
#include "qemu-common.h"
#include "sysemu/runstate.h"

static BOOL WINAPI qemu_ctrl_handler(DWORD type)
{
    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;
}

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);
}

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
 */
int os_parse_cmd_args(int index, const char *optarg)
{
    return -1;
}
Commit	Line	Data
	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	}