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_jobs_consume_buffer(VncState *vs); 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 */ 89