src/tdm_private.h

   1 /**************************************************************************
   2  *
   3  * libtdm
   4  *
   5  * Copyright 2015 Samsung Electronics co., Ltd. All Rights Reserved.
   6  *
   7  * Contact: Eunchul Kim <chulspro.kim@samsung.com>,
   8  *          JinYoung Jeon <jy0.jeon@samsung.com>,
   9  *          Taeheon Kim <th908.kim@samsung.com>,
  10  *          YoungJun Cho <yj44.cho@samsung.com>,
  11  *          SooChan Lim <sc1.lim@samsung.com>,
  12  *          Boram Park <sc1.lim@samsung.com>
  13  *
  14  * Permission is hereby granted, free of charge, to any person obtaining a
  15  * copy of this software and associated documentation files (the
  16  * "Software"), to deal in the Software without restriction, including
  17  * without limitation the rights to use, copy, modify, merge, publish,
  18  * distribute, sub license, and/or sell copies of the Software, and to
  19  * permit persons to whom the Software is furnished to do so, subject to
  20  * the following conditions:
  21  *
  22  * The above copyright notice and this permission notice (including the
  23  * next paragraph) shall be included in all copies or substantial portions
  24  * of the Software.
  25  *
  26  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  27  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  28  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  29  * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
  30  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  31  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  32  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  33  *
  34 **************************************************************************/
  35
  36 #ifndef _TDM_PRIVATE_H_
  37 #define _TDM_PRIVATE_H_
  38
  39 #include <stdio.h>
  40 #include <string.h>
  41 #include <strings.h>
  42 #include <stdlib.h>
  43 #include <pthread.h>
  44 #include <errno.h>
  45 #include <unistd.h>
  46 #include <limits.h>
  47 #include <sys/types.h>
  48 #include <sys/stat.h>
  49 #include <fcntl.h>
  50 #include <dlfcn.h>
  51 #include <dirent.h>
  52 #include <poll.h>
  53 #include <sys/syscall.h>
  54 #include <sys/types.h>
  55 #include <math.h>
  56 #include <grp.h>
  57
  58 #include <wayland-server-protocol.h>
  59 #include <tbm_bufmgr.h>
  60 #include <tbm_surface_queue.h>
  61
  62 #include "tdm_backend.h"
  63 #include "tdm_log.h"
  64 #include "tdm_list.h"
  65 #include "tdm_macro.h"
  66
  67 #ifdef __cplusplus
  68 extern "C" {
  69 #endif
  70
  71 //#define INIT_BUFMGR
  72
  73 /**
  74  * @file tdm_private.h
  75  * @brief The private header file for a frontend library
  76  */
  77
  78 enum {
  79         TDM_DEBUG_NONE,
  80         TDM_DEBUG_BUFFER    = (1 << 0),
  81         TDM_DEBUG_MUTEX     = (1 << 1),
  82         TDM_DEBUG_THREAD    = (1 << 2),
  83         TDM_DEBUG_SERVER    = (1 << 3),
  84         TDM_DEBUG_VBLANK    = (1 << 4),
  85         TDM_DEBUG_COMMIT    = (1 << 5),
  86 };
  87
  88 extern int tdm_debug_module;
  89 extern int tdm_debug_dump;
  90
  91 #ifdef HAVE_TTRACE
  92 #include <ttrace.h>
  93 #define TDM_TRACE_BEGIN(NAME) traceBegin(TTRACE_TAG_GRAPHICS, "TDM:"#NAME)
  94 #define TDM_TRACE_END() traceEnd(TTRACE_TAG_GRAPHICS)
  95 #define TDM_TRACE_COUNT(NAME, COUNT) traceCounter(TTRACE_TAG_GRAPHICS, COUNT, "TDM:"#NAME)
  96 #define TDM_TRACE_MARK(NAME) traceMark(TTRACE_TAG_GRAPHICS, "TDM:"#NAME)
  97 #else
  98 #define TDM_TRACE_BEGIN(NAME)
  99 #define TDM_TRACE_END()
 100 #define TDM_TRACE_COUNT(NAME, COUNT)
 101 #define TDM_TRACE_MARK(NAME)
 102 #endif
 103
 104 typedef enum {
 105         TDM_CAPTURE_TARGET_OUTPUT,
 106         TDM_CAPTURE_TARGET_LAYER,
 107 } tdm_capture_target;
 108
 109 enum {
 110         TDM_DUMP_FLAG_LAYER   = (1 << 0),
 111         TDM_DUMP_FLAG_PP      = (1 << 1),
 112         TDM_DUMP_FLAG_CAPTURE = (1 << 2),
 113 };
 114
 115 #define TDM_DUMP_DIR    "/tmp"
 116
 117 typedef enum {
 118         TDM_COMMIT_TYPE_NONE,
 119         TDM_COMMIT_TYPE_OUTPUT,
 120         TDM_COMMIT_TYPE_LAYER,
 121 } tdm_commit_type;
 122
 123 typedef struct _tdm_private_display tdm_private_display;
 124 typedef struct _tdm_private_output tdm_private_output;
 125 typedef struct _tdm_private_layer tdm_private_layer;
 126 typedef struct _tdm_private_pp tdm_private_pp;
 127 typedef struct _tdm_private_capture tdm_private_capture;
 128 typedef struct _tdm_private_loop tdm_private_loop;
 129 typedef struct _tdm_private_server tdm_private_server;
 130 typedef struct _tdm_private_thread tdm_private_thread;
 131 typedef struct _tdm_private_vblank_handler tdm_private_vblank_handler;
 132 typedef struct _tdm_private_output_commit_handler tdm_private_output_commit_handler;
 133 typedef struct _tdm_private_layer_commit_handler tdm_private_layer_commit_handler;
 134 typedef struct _tdm_private_change_handler tdm_private_change_handler;
 135 typedef struct _tdm_private_layer_buffer tdm_private_layer_buffer;
 136
 137 struct _tdm_private_display {
 138         pthread_mutex_t lock;
 139         unsigned int init_count;
 140
 141         /* backend module info */
 142         void *module;
 143         tdm_backend_module *module_data;
 144         tdm_backend_data *bdata;
 145
 146 #ifdef INIT_BUFMGR
 147         tbm_bufmgr bufmgr;
 148 #endif
 149
 150         /* backend function */
 151         tdm_display_capability capabilities;
 152         tdm_func_display func_display;
 153         tdm_func_output func_output;
 154         tdm_func_layer func_layer;
 155         tdm_func_pp func_pp;
 156         tdm_func_capture func_capture;
 157
 158         /* backend capability */
 159         tdm_caps_display caps_display;
 160         tdm_caps_pp caps_pp;
 161         tdm_caps_capture caps_capture;
 162
 163         /* output, pp list */
 164         struct list_head output_list;
 165         struct list_head pp_list;
 166         struct list_head capture_list;
 167
 168         void **outputs_ptr;
 169
 170         /* for event handling */
 171         tdm_private_loop *private_loop;
 172
 173         /* output order */
 174         tdm_output **outputs;
 175
 176         /* calling a output commit per a vblank */
 177         int commit_per_vblank;
 178         tdm_commit_type commit_type;
 179
 180         int print_fps;
 181 };
 182
 183 struct _tdm_private_output {
 184         struct list_head link;
 185
 186         int index;
 187         double stamp;
 188
 189         tdm_private_display *private_display;
 190
 191         tdm_caps_output caps;
 192         tdm_output *output_backend;
 193
 194         unsigned int pipe;
 195         tdm_output_dpms current_dpms_value;
 196         unsigned int waiting_dpms_change;
 197         const tdm_output_mode *current_mode;
 198
 199         int regist_vblank_cb;
 200         int regist_commit_cb;
 201         int regist_change_cb;
 202         int regist_dpms_cb;
 203
 204         struct list_head layer_list;
 205         struct list_head capture_list;
 206         struct list_head vblank_handler_list;
 207         struct list_head output_commit_handler_list;
 208
 209         /* for layer commit */
 210         struct list_head layer_commit_handler_list;
 211         struct list_head pending_commit_handler_list;
 212         tdm_vblank *vblank;
 213         int layer_waiting_vblank;
 214
 215         /* seperate list for multi-thread*/
 216         struct list_head change_handler_list_main;
 217         struct list_head change_handler_list_sub;
 218
 219         void **layers_ptr;
 220
 221         /* TODO: temp solution for handling DPMS things in sub-htread */
 222         tdm_event_loop_source *dpms_changed_timer;
 223 };
 224
 225 struct _tdm_private_layer {
 226         struct list_head link;
 227
 228         int index;
 229
 230         tdm_private_display *private_display;
 231         tdm_private_output *private_output;
 232
 233         tdm_caps_layer caps;
 234         tdm_layer *layer_backend;
 235
 236         /* pending data until committed */
 237         unsigned int pending_info_changed;
 238         tdm_info_layer pending_info;
 239         unsigned int pending_buffer_changed;
 240         tbm_surface_h pending_buffer;
 241
 242         /* When a buffer is set to a layer, it will be stored to waiting_buffer.
 243          * And when a layer is committed, it will be moved to committed_buffer.
 244          * Finally when a commit handler is called, it will be moved to showing_buffer.
 245          */
 246         tdm_private_layer_buffer *waiting_buffer;
 247         tdm_private_layer_buffer *committed_buffer;   /* for output_commit */
 248         tdm_private_layer_buffer *showing_buffer;
 249         tbm_surface_queue_h buffer_queue;
 250
 251         struct list_head capture_list;
 252
 253         unsigned int usable;
 254         unsigned int committing;
 255
 256         double fps_stamp;
 257         unsigned int fps_count;
 258 };
 259
 260 struct _tdm_private_pp {
 261         struct list_head link;
 262
 263         double stamp;
 264
 265         tdm_private_display *private_display;
 266
 267         tdm_pp *pp_backend;
 268
 269         struct list_head pending_buffer_list;
 270         struct list_head buffer_list;
 271
 272         tdm_info_pp info;
 273         pid_t owner_tid;
 274
 275         tdm_pp_done_handler done_func;
 276         void *done_user_data;
 277 };
 278
 279 struct _tdm_private_capture {
 280         struct list_head link;
 281         struct list_head display_link;
 282
 283         double stamp;
 284
 285         tdm_capture_target target;
 286
 287         tdm_private_display *private_display;
 288         tdm_private_output *private_output;
 289         tdm_private_layer *private_layer;
 290
 291         tdm_capture *capture_backend;
 292
 293         struct list_head pending_buffer_list;
 294         struct list_head buffer_list;
 295
 296         tdm_info_capture info;
 297         pid_t owner_tid;
 298
 299         tdm_capture_done_handler done_func;
 300         void *done_user_data;
 301 };
 302
 303 /* CAUTION:
 304  * Note that we don't need to (un)lock mutex to use this structure. If there is
 305  * no TDM thread, all TDM resources are protected by private_display's mutex.
 306  * If there is a TDM thread, this struct will be used only in a TDM thread.
 307  * So, we don't need to protect this structure by mutex. Not thread-safe.
 308  */
 309 struct _tdm_private_loop {
 310         /* TDM uses wl_event_loop to handle various event sources including the TDM
 311          * backend's fd.
 312          */
 313         struct wl_display *wl_display;
 314         struct wl_event_loop *wl_loop;
 315
 316         int backend_fd;
 317         tdm_event_loop_source *backend_source;
 318
 319         /* In event loop, all resources are accessed by this dpy.
 320          * CAUTION:
 321          * - DO NOT include other private structure in this structure because this
 322          *   struct is not protected by mutex.
 323          */
 324         tdm_display *dpy;
 325
 326         /* for handling TDM client requests */
 327         tdm_private_server *private_server;
 328
 329         /* To have a TDM event thread. If TDM_THREAD enviroment variable is not set
 330          * private_thread is NULL.
 331          */
 332         tdm_private_thread *private_thread;
 333 };
 334
 335 struct _tdm_private_vblank_handler {
 336         struct list_head link;
 337
 338         tdm_private_output *private_output;
 339         int interval;
 340         int sync;
 341         tdm_output_vblank_handler func;
 342         void *user_data;
 343
 344         pid_t owner_tid;
 345 };
 346
 347 struct _tdm_private_output_commit_handler {
 348         struct list_head link;
 349
 350         tdm_private_output *private_output;
 351         tdm_output_commit_handler func;
 352         void *user_data;
 353
 354         pid_t owner_tid;
 355 };
 356
 357 struct _tdm_private_layer_commit_handler {
 358         struct list_head link;
 359
 360         tdm_private_layer *private_layer;
 361         tdm_layer_commit_handler func;
 362         void *user_data;
 363
 364         tdm_private_layer_buffer *committed_buffer;   /* for layer_commit */
 365 };
 366
 367 struct _tdm_private_change_handler {
 368         struct list_head link;
 369
 370         tdm_private_output *private_output;
 371         tdm_output_change_handler func;
 372         void *user_data;
 373
 374         pid_t owner_tid;
 375 };
 376
 377 struct _tdm_private_layer_buffer {
 378         tbm_surface_h buffer;
 379         struct list_head link;
 380 };
 381
 382 typedef struct _tdm_buffer_info {
 383         tbm_surface_h buffer;
 384
 385         /* ref_count for backend */
 386         int backend_ref_count;
 387
 388         struct list_head release_funcs;
 389         struct list_head destroy_funcs;
 390
 391         struct list_head *list;
 392         struct list_head link;
 393 } tdm_buffer_info;
 394
 395 typedef struct _tdm_pp_private_buffer {
 396         tbm_surface_h src;
 397         tbm_surface_h dst;
 398         struct list_head link;
 399         struct list_head commit_link;
 400 } tdm_pp_private_buffer;
 401
 402 typedef struct _tdm_capture_private_buffer {
 403         tbm_surface_h buffer;
 404         struct list_head link;
 405         struct list_head commit_link;
 406 } tdm_capture_private_buffer;
 407
 408 int
 409 tdm_display_check_module_abi(tdm_private_display *private_display, int abimaj, int abimin);
 410
 411 tdm_private_output *
 412 tdm_display_find_output_stamp(tdm_private_display *private_display, double stamp);
 413 tdm_private_pp *
 414 tdm_pp_find_stamp(tdm_private_display *private_display, double stamp);
 415 tdm_private_capture *
 416 tdm_capture_find_stamp(tdm_private_display *private_display, double stamp);
 417
 418 void
 419 tdm_output_cb_vblank(tdm_output *output_backend, unsigned int sequence,
 420                                          unsigned int tv_sec, unsigned int tv_usec, void *user_data);
 421 void
 422 tdm_output_cb_commit(tdm_output *output_backend, unsigned int sequence,
 423                                          unsigned int tv_sec, unsigned int tv_usec, void *user_data);
 424 void
 425 tdm_output_cb_status(tdm_output *output_backend, tdm_output_conn_status status,
 426                                          void *user_data);
 427 void
 428 tdm_output_cb_dpms(tdm_output *output_backend, tdm_output_dpms dpms,
 429                                    void *user_data);
 430 tdm_error
 431 tdm_output_wait_vblank_add_front(tdm_output *output, int interval, int sync,
 432                                                                  tdm_output_vblank_handler func, void *user_data);
 433 tdm_error
 434 tdm_output_commit_internal(tdm_output *output, int sync, tdm_output_commit_handler func, void *user_data);
 435 tdm_error
 436 tdm_output_get_dpms_internal(tdm_output *output, tdm_output_dpms *dpms_value);
 437
 438 void
 439 tdm_output_remove_vblank_handler_internal(tdm_output *output, tdm_output_vblank_handler func, void *user_data);
 440 void
 441 tdm_output_remove_commit_handler_internal(tdm_output *output, tdm_output_commit_handler func, void *user_data);
 442 void
 443 tdm_layer_remove_commit_handler_internal(tdm_layer *layer, tdm_layer_commit_handler func, void *user_data);
 444
 445 tdm_error
 446 tdm_layer_commit_pending_data(tdm_private_layer *private_layer);
 447 void
 448 tdm_layer_committed(tdm_private_layer *private_layer, tdm_private_layer_buffer **committed_buffer);
 449
 450 void
 451 tdm_pp_cb_done(tdm_pp *pp_backend, tbm_surface_h src, tbm_surface_h dst,
 452                            void *user_data);
 453 void
 454 tdm_capture_cb_done(tdm_capture *capture_backend, tbm_surface_h buffer,
 455                                         void *user_data);
 456 tdm_error
 457 tdm_vblank_cb_vblank_SW(tdm_vblank *vblank, double vblank_stamp);
 458 tdm_error
 459 tdm_vblank_set_add_front(tdm_vblank *vblank, unsigned int add_front);
 460 tdm_error
 461 tdm_vblank_set_resource(tdm_vblank *vblank, struct wl_resource *resource);
 462 tdm_error
 463 tdm_vblank_set_client_vblank_fps(unsigned int pid, const char *name, unsigned int fps);
 464 void
 465 tdm_vblank_get_vblank_list_information(tdm_display *dpy, char *reply, int *len);
 466
 467 void
 468 tdm_output_call_change_handler_internal(tdm_private_output *private_output,
 469                                                                                 struct list_head *change_handler_list,
 470                                                                                 tdm_output_change_type type,
 471                                                                                 tdm_value value,
 472                                                                                 int no_check_thread_id);
 473
 474 tdm_private_pp *
 475 tdm_pp_create_internal(tdm_private_display *private_display, tdm_error *error);
 476 void
 477 tdm_pp_destroy_internal(tdm_private_pp *private_pp);
 478
 479 tdm_private_capture *
 480 tdm_capture_create_output_internal(tdm_private_output *private_output,
 481                                                                    tdm_error *error);
 482 tdm_private_capture *
 483 tdm_capture_create_layer_internal(tdm_private_layer *private_layer,
 484                                                                   tdm_error *error);
 485 void
 486 tdm_capture_destroy_internal(tdm_private_capture *private_capture);
 487
 488 /* utility buffer functions for private */
 489 tdm_buffer_info*
 490 tdm_buffer_get_info(tbm_surface_h buffer);
 491 tbm_surface_h
 492 tdm_buffer_list_get_first_entry(struct list_head *list);
 493 void
 494 tdm_buffer_list_dump(struct list_head *list);
 495
 496 void
 497 tdm_buffer_remove_release_handler_internal(tbm_surface_h buffer);
 498
 499 /* event functions for private */
 500 tdm_error
 501 tdm_event_loop_init(tdm_private_display *private_display);
 502 void
 503 tdm_event_loop_deinit(tdm_private_display *private_display);
 504 void
 505 tdm_event_loop_stop(tdm_private_display *private_display);
 506 void
 507 tdm_event_loop_create_backend_source(tdm_private_display *private_display);
 508 int
 509 tdm_event_loop_get_fd(tdm_private_display *private_display);
 510 tdm_error
 511 tdm_event_loop_dispatch(tdm_private_display *private_display);
 512 void
 513 tdm_event_loop_flush(tdm_private_display *private_display);
 514 tdm_error
 515 tdm_event_loop_trace_enable(tdm_private_display *private_display, unsigned int enable);
 516
 517 typedef enum {
 518         TDM_THREAD_CB_NONE,
 519         TDM_THREAD_CB_OUTPUT_COMMIT,
 520         TDM_THREAD_CB_OUTPUT_VBLANK,
 521         TDM_THREAD_CB_OUTPUT_STATUS,
 522         TDM_THREAD_CB_OUTPUT_DPMS,
 523         TDM_THREAD_CB_PP_DONE,
 524         TDM_THREAD_CB_CAPTURE_DONE,
 525         TDM_THREAD_CB_VBLANK_SW,
 526 } tdm_thread_cb_type;
 527
 528 typedef struct _tdm_thread_cb_base tdm_thread_cb_base;
 529 typedef struct _tdm_thread_cb_output_vblank tdm_thread_cb_output_commit;
 530 typedef struct _tdm_thread_cb_output_vblank tdm_thread_cb_output_vblank;
 531 typedef struct _tdm_thread_cb_output_status tdm_thread_cb_output_status;
 532 typedef struct _tdm_thread_cb_output_dpms tdm_thread_cb_output_dpms;
 533 typedef struct _tdm_thread_cb_pp_done tdm_thread_cb_pp_done;
 534 typedef struct _tdm_thread_cb_capture_done tdm_thread_cb_capture_done;
 535 typedef struct _tdm_thread_cb_vblank_sw tdm_thread_cb_vblank_sw;
 536
 537 struct _tdm_thread_cb_base {
 538         tdm_thread_cb_type type;
 539         unsigned int length;
 540 };
 541
 542 struct _tdm_thread_cb_output_vblank {
 543         tdm_thread_cb_base base;
 544         double output_stamp;
 545         unsigned int sequence;
 546         unsigned int tv_sec;
 547         unsigned int tv_usec;
 548         void *user_data;
 549 };
 550
 551 struct _tdm_thread_cb_output_status {
 552         tdm_thread_cb_base base;
 553         double output_stamp;
 554         tdm_output_conn_status status;
 555         void *user_data;
 556 };
 557
 558 struct _tdm_thread_cb_output_dpms {
 559         tdm_thread_cb_base base;
 560         double output_stamp;
 561         tdm_output_dpms dpms;
 562         void *user_data;
 563 };
 564
 565 struct _tdm_thread_cb_pp_done {
 566         tdm_thread_cb_base base;
 567         double pp_stamp;
 568         tbm_surface_h src;
 569         tbm_surface_h dst;
 570         void *user_data;
 571 };
 572
 573 struct _tdm_thread_cb_capture_done {
 574         tdm_thread_cb_base base;
 575         double capture_stamp;
 576         tbm_surface_h buffer;
 577         void *user_data;
 578 };
 579
 580 struct _tdm_thread_cb_vblank_sw {
 581         tdm_thread_cb_base base;
 582         double vblank_stamp;
 583 };
 584
 585 tdm_error
 586 tdm_thread_init(tdm_private_loop *private_loop);
 587 void
 588 tdm_thread_deinit(tdm_private_loop *private_loop);
 589 int
 590 tdm_thread_get_fd(tdm_private_loop *private_loop);
 591 tdm_error
 592 tdm_thread_send_cb(tdm_private_loop *private_loop, tdm_thread_cb_base *base);
 593 tdm_error
 594 tdm_thread_handle_cb(tdm_private_loop *private_loop);
 595 int
 596 tdm_thread_in_display_thread(pid_t tid);
 597 int
 598 tdm_thread_is_running(void);
 599
 600 tdm_error
 601 tdm_server_init(tdm_private_loop *private_loop);
 602 void
 603 tdm_server_deinit(tdm_private_loop *private_loop);
 604 const char*
 605 tdm_server_get_client_name(pid_t pid);
 606
 607 char *
 608 tdm_helper_dump_make_directory(const char *path, char *reply, int *len);
 609 void
 610 tdm_helper_dump_buffer_str(tbm_surface_h buffer, char *dir, char *str);
 611 double
 612 tdm_helper_get_time(void);
 613
 614 extern pthread_mutex_t tdm_mutex_check_lock;
 615 extern int tdm_mutex_locked;
 616 extern const char *tdm_mutex_lock_func;
 617 extern int tdm_mutex_lock_line;
 618 extern const char *tdm_mutex_unlock_func;
 619 extern int tdm_mutex_unlock_line;
 620 extern int tdm_dump_enable;
 621 extern char *tdm_debug_dump_dir;
 622
 623 #define _pthread_mutex_unlock(l) \
 624         do { \
 625                 if (tdm_debug_module & TDM_DEBUG_MUTEX) \
 626                         TDM_INFO("mutex unlock"); \
 627                 pthread_mutex_lock(&tdm_mutex_check_lock); \
 628                 tdm_mutex_locked = 0; \
 629                 tdm_mutex_lock_func = NULL; \
 630                 tdm_mutex_lock_line = 0; \
 631                 tdm_mutex_unlock_func = __FUNCTION__; \
 632                 tdm_mutex_unlock_line = __LINE__; \
 633                 pthread_mutex_unlock(&tdm_mutex_check_lock); \
 634                 pthread_mutex_unlock(l); \
 635         } while (0)
 636 #ifdef TDM_CONFIG_MUTEX_TIMEOUT
 637 #define MUTEX_TIMEOUT_SEC 5
 638 #define _pthread_mutex_lock(l) \
 639         do { \
 640                 if (tdm_debug_module & TDM_DEBUG_MUTEX) \
 641                         TDM_INFO("mutex lock"); \
 642                 struct timespec rtime; \
 643                 clock_gettime(CLOCK_REALTIME, &rtime); \
 644                 rtime.tv_sec += MUTEX_TIMEOUT_SEC; \
 645                 if (pthread_mutex_timedlock(l, &rtime)) { \
 646                         TDM_ERR("Mutex lock failed PID %d", getpid()); \
 647                         _pthread_mutex_unlock(l); \
 648                 } \
 649                 else { \
 650                         pthread_mutex_lock(&tdm_mutex_check_lock); \
 651                         tdm_mutex_locked = 1; \
 652                         tdm_mutex_lock_func = __FUNCTION__; \
 653                         tdm_mutex_lock_line = __LINE__; \
 654                         tdm_mutex_unlock_func = NULL; \
 655                         tdm_mutex_unlock_line = 0; \
 656                         pthread_mutex_unlock(&tdm_mutex_check_lock); \
 657                 } \
 658         } while (0)
 659 #else //TDM_CONFIG_MUTEX_TIMEOUT
 660 #define _pthread_mutex_lock(l) \
 661         do { \
 662                 if (tdm_debug_module & TDM_DEBUG_MUTEX) \
 663                         TDM_INFO("mutex lock"); \
 664                 pthread_mutex_lock(l); \
 665                 pthread_mutex_lock(&tdm_mutex_check_lock); \
 666                 tdm_mutex_locked = 1; \
 667                 tdm_mutex_lock_func = __FUNCTION__; \
 668                 tdm_mutex_lock_line = __LINE__; \
 669                 tdm_mutex_unlock_func = NULL; \
 670                 tdm_mutex_unlock_line = 0; \
 671                 pthread_mutex_unlock(&tdm_mutex_check_lock); \
 672         } while (0)
 673 #endif //TDM_CONFIG_MUTEX_TIMEOUT
 674 //#define TDM_MUTEX_IS_LOCKED() (tdm_mutex_locked == 1)
 675 static inline int TDM_MUTEX_IS_LOCKED(void)
 676 {
 677         int ret;
 678         /* if thread is not running, we don't need to consider mutex things. */
 679         if (!tdm_thread_is_running())
 680                 return 1;
 681         pthread_mutex_lock(&tdm_mutex_check_lock);
 682         ret = (tdm_mutex_locked == 1);
 683         pthread_mutex_unlock(&tdm_mutex_check_lock);
 684         return ret;
 685 }
 686
 687 #define tdm_display_lock(dpy)   _pthread_mutex_lock(&((tdm_private_display *)dpy)->lock)
 688 #define tdm_display_unlock(dpy)   _pthread_mutex_unlock(&((tdm_private_display *)dpy)->lock)
 689
 690 tdm_error
 691 tdm_display_update_output(tdm_private_display *private_display,
 692                                                   tdm_output *output_backend, int pipe);
 693 tdm_error
 694 tdm_display_enable_debug_module(const char*modules);
 695 tdm_error
 696 tdm_display_enable_dump(tdm_private_display *private_display, const char *dump_str, char *reply, int *len);
 697 tdm_error
 698 tdm_display_enable_path(const char *path);
 699 tdm_error
 700 tdm_display_enable_ttrace_vblank(tdm_display *dpy, tdm_output *output, int enable);
 701 tdm_error
 702 tdm_display_enable_commit_per_vblank(tdm_private_display *private_display, int enable);
 703 tdm_error
 704 tdm_display_enable_fps(tdm_private_display *private_display, int enable);
 705
 706 void
 707 tdm_monitor_server_command(tdm_display *dpy, const char *options, char *reply, int *len);
 708
 709
 710 struct argument_details {
 711         char type;
 712         int nullable;
 713 };
 714
 715
 716 #ifdef __cplusplus
 717 }
 718 #endif
 719
 720 #endif /* _TDM_PRIVATE_H_ */