ui/vnc-jobs.h

   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
  43 void vnc_start_worker_thread(void);
  44 bool vnc_worker_thread_running(void);
  45 void vnc_stop_worker_thread(void);
  46
  47 #endif /* CONFIG_VNC_THREAD */
  48
  49 /* Locks */
  50 static inline int vnc_trylock_display(VncDisplay *vd)
  51 {
  52 #ifdef CONFIG_VNC_THREAD
  53     return qemu_mutex_trylock(&vd->mutex);
  54 #else
  55     return 0;
  56 #endif
  57 }
  58
  59 static inline void vnc_lock_display(VncDisplay *vd)
  60 {
  61 #ifdef CONFIG_VNC_THREAD
  62     qemu_mutex_lock(&vd->mutex);
  63 #endif
  64 }
  65
  66 static inline void vnc_unlock_display(VncDisplay *vd)
  67 {
  68 #ifdef CONFIG_VNC_THREAD
  69     qemu_mutex_unlock(&vd->mutex);
  70 #endif
  71 }
  72
  73 static inline void vnc_lock_output(VncState *vs)
  74 {
  75 #ifdef CONFIG_VNC_THREAD
  76     qemu_mutex_lock(&vs->output_mutex);
  77 #endif
  78 }
  79
  80 static inline void vnc_unlock_output(VncState *vs)
  81 {
  82 #ifdef CONFIG_VNC_THREAD
  83     qemu_mutex_unlock(&vs->output_mutex);
  84 #endif
  85 }
  86
  87 #endif /* VNC_JOBS_H */