[qemu.git] / ui / vnc-jobs.h

/*
 * QEMU VNC display driver
 *
 * From libvncserver/rfb/rfbproto.h
 * Copyright (C) 2005 Rohit Kumar, Johannes E. Schindelin
 * Copyright (C) 2000-2002 Constantin Kaplinsky.  All Rights Reserved.
 * Copyright (C) 2000 Tridia Corporation.  All Rights Reserved.
 * Copyright (C) 1999 AT&T Laboratories Cambridge.  All Rights Reserved.
 *
 *
 * 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.
 */

#ifndef VNC_JOBS_H
#define VNC_JOBS_H

/* Jobs */
VncJob *vnc_job_new(VncState *vs);
int vnc_job_add_rect(VncJob *job, int x, int y, int w, int h);
void vnc_job_push(VncJob *job);
bool vnc_has_job(VncState *vs);
void vnc_jobs_clear(VncState *vs);
void vnc_jobs_join(VncState *vs);

#ifdef CONFIG_VNC_THREAD

void vnc_jobs_consume_buffer(VncState *vs);
void vnc_start_worker_thread(void);
bool vnc_worker_thread_running(void);
void vnc_stop_worker_thread(void);

#endif /* CONFIG_VNC_THREAD */

/* Locks */
static inline int vnc_trylock_display(VncDisplay *vd)
{
#ifdef CONFIG_VNC_THREAD
    return qemu_mutex_trylock(&vd->mutex);
#else
    return 0;
#endif
}

static inline void vnc_lock_display(VncDisplay *vd)
{
#ifdef CONFIG_VNC_THREAD
    qemu_mutex_lock(&vd->mutex);
#endif
}

static inline void vnc_unlock_display(VncDisplay *vd)
{
#ifdef CONFIG_VNC_THREAD
    qemu_mutex_unlock(&vd->mutex);
#endif
}

static inline void vnc_lock_output(VncState *vs)
{
#ifdef CONFIG_VNC_THREAD
    qemu_mutex_lock(&vs->output_mutex);
#endif
}

static inline void vnc_unlock_output(VncState *vs)
{
#ifdef CONFIG_VNC_THREAD
    qemu_mutex_unlock(&vs->output_mutex);
#endif
}

#endif /* VNC_JOBS_H */
Commit	Line	Data
bd023f95 CC	1	/*
	2	* QEMU VNC display driver
	3	*
	4	* From libvncserver/rfb/rfbproto.h
	5	* Copyright (C) 2005 Rohit Kumar, Johannes E. Schindelin
	6	* Copyright (C) 2000-2002 Constantin Kaplinsky. All Rights Reserved.
	7	* Copyright (C) 2000 Tridia Corporation. All Rights Reserved.
	8	* Copyright (C) 1999 AT&T Laboratories Cambridge. All Rights Reserved.
	9	*
	10	*
	11	* Permission is hereby granted, free of charge, to any person obtaining a copy
	12	* of this software and associated documentation files (the "Software"), to deal
	13	* in the Software without restriction, including without limitation the rights
	14	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	15	* copies of the Software, and to permit persons to whom the Software is
	16	* furnished to do so, subject to the following conditions:
	17	*
	18	* The above copyright notice and this permission notice shall be included in
	19	* all copies or substantial portions of the Software.
	20	*
	21	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	22	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	23	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	24	* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	25	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	26	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
	27	* THE SOFTWARE.
	28	*/
	29
	30	#ifndef VNC_JOBS_H
	31	#define VNC_JOBS_H
	32
	33	/* Jobs */
	34	VncJob vnc_job_new(VncState vs);
	35	int vnc_job_add_rect(VncJob *job, int x, int y, int w, int h);
	36	void vnc_job_push(VncJob *job);
	37	bool vnc_has_job(VncState *vs);
	38	void vnc_jobs_clear(VncState *vs);
	39	void vnc_jobs_join(VncState *vs);
	40
	41	#ifdef CONFIG_VNC_THREAD
	42
175b2a6e	43	void vnc_jobs_consume_buffer(VncState *vs);
bd023f95 CC	44	void vnc_start_worker_thread(void);
	45	bool vnc_worker_thread_running(void);
	46	void vnc_stop_worker_thread(void);
	47
	48	#endif /* CONFIG_VNC_THREAD */
	49
	50	/* Locks */
	51	static inline int vnc_trylock_display(VncDisplay *vd)
	52	{
	53	#ifdef CONFIG_VNC_THREAD
	54	return qemu_mutex_trylock(&vd->mutex);
	55	#else
	56	return 0;
	57	#endif
	58	}
	59
	60	static inline void vnc_lock_display(VncDisplay *vd)
	61	{
	62	#ifdef CONFIG_VNC_THREAD
	63	qemu_mutex_lock(&vd->mutex);
	64	#endif
	65	}
	66
	67	static inline void vnc_unlock_display(VncDisplay *vd)
	68	{
	69	#ifdef CONFIG_VNC_THREAD
	70	qemu_mutex_unlock(&vd->mutex);
	71	#endif
	72	}
	73
	74	static inline void vnc_lock_output(VncState *vs)
	75	{
	76	#ifdef CONFIG_VNC_THREAD
	77	qemu_mutex_lock(&vs->output_mutex);
	78	#endif
	79	}
	80
	81	static inline void vnc_unlock_output(VncState *vs)
	82	{
	83	#ifdef CONFIG_VNC_THREAD
	84	qemu_mutex_unlock(&vs->output_mutex);
	85	#endif
	86	}
	87
	88	#endif /* VNC_JOBS_H */