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         /* When a buffer is set to a layer, it will be stored to waiting_buffer.
 237          * And when a layer is committed, it will be moved to committed_buffer.
 238          * Finally when a commit handler is called, it will be moved to showing_buffer.
 239          */
 240         tdm_private_layer_buffer *waiting_buffer;
 241         tdm_private_layer_buffer *committed_buffer;   /* for output_commit */
 242         tdm_private_layer_buffer *showing_buffer;
 243         tbm_surface_queue_h buffer_queue;
 244
 245         struct list_head capture_list;
 246
 247         unsigned int usable;
 248         unsigned int committing;
 249
 250         double fps_stamp;
 251         unsigned int fps_count;
 252 };
 253
 254 struct _tdm_private_pp {
 255         struct list_head link;
 256
 257         double stamp;
 258
 259         tdm_private_display *private_display;
 260
 261         tdm_pp *pp_backend;
 262
 263         struct list_head pending_buffer_list;
 264         struct list_head buffer_list;
 265
 266         tdm_info_pp info;
 267         pid_t owner_tid;
 268
 269         tdm_pp_done_handler done_func;
 270         void *done_user_data;
 271 };
 272
 273 struct _tdm_private_capture {
 274         struct list_head link;
 275         struct list_head display_link;
 276
 277         double stamp;
 278
 279         tdm_capture_target target;
 280
 281         tdm_private_display *private_display;
 282         tdm_private_output *private_output;
 283         tdm_private_layer *private_layer;
 284
 285         tdm_capture *capture_backend;
 286
 287         struct list_head pending_buffer_list;
 288         struct list_head buffer_list;
 289
 290         tdm_info_capture info;
 291         pid_t owner_tid;
 292
 293         tdm_capture_done_handler done_func;
 294         void *done_user_data;
 295 };
 296
 297 /* CAUTION:
 298  * Note that we don't need to (un)lock mutex to use this structure. If there is
 299  * no TDM thread, all TDM resources are protected by private_display's mutex.
 300  * If there is a TDM thread, this struct will be used only in a TDM thread.
 301  * So, we don't need to protect this structure by mutex. Not thread-safe.
 302  */
 303 struct _tdm_private_loop {
 304         /* TDM uses wl_event_loop to handle various event sources including the TDM
 305          * backend's fd.
 306          */
 307         struct wl_display *wl_display;
 308         struct wl_event_loop *wl_loop;
 309
 310         int backend_fd;
 311         tdm_event_loop_source *backend_source;
 312
 313         /* In event loop, all resources are accessed by this dpy.
 314          * CAUTION:
 315          * - DO NOT include other private structure in this structure because this
 316          *   struct is not protected by mutex.
 317          */
 318         tdm_display *dpy;
 319
 320         /* for handling TDM client requests */
 321         tdm_private_server *private_server;
 322
 323         /* To have a TDM event thread. If TDM_THREAD enviroment variable is not set
 324          * private_thread is NULL.
 325          */
 326         tdm_private_thread *private_thread;
 327 };
 328
 329 struct _tdm_private_vblank_handler {
 330         struct list_head link;
 331
 332         tdm_private_output *private_output;
 333         int interval;
 334         int sync;
 335         tdm_output_vblank_handler func;
 336         void *user_data;
 337
 338         pid_t owner_tid;
 339 };
 340
 341 struct _tdm_private_output_commit_handler {
 342         struct list_head link;
 343
 344         tdm_private_output *private_output;
 345         tdm_output_commit_handler func;
 346         void *user_data;
 347
 348         pid_t owner_tid;
 349 };
 350
 351 struct _tdm_private_layer_commit_handler {
 352         struct list_head link;
 353
 354         tdm_private_layer *private_layer;
 355         tdm_layer_commit_handler func;
 356         void *user_data;
 357
 358         tdm_private_layer_buffer *committed_buffer;   /* for layer_commit */
 359 };
 360
 361 struct _tdm_private_change_handler {
 362         struct list_head link;
 363
 364         tdm_private_output *private_output;
 365         tdm_output_change_handler func;
 366         void *user_data;
 367
 368         pid_t owner_tid;
 369 };
 370
 371 struct _tdm_private_layer_buffer {
 372         tbm_surface_h buffer;
 373         struct list_head link;
 374 };
 375
 376 typedef struct _tdm_buffer_info {
 377         tbm_surface_h buffer;
 378
 379         /* ref_count for backend */
 380         int backend_ref_count;
 381
 382         struct list_head release_funcs;
 383         struct list_head destroy_funcs;
 384
 385         struct list_head *list;
 386         struct list_head link;
 387 } tdm_buffer_info;
 388
 389 typedef struct _tdm_pp_private_buffer {
 390         tbm_surface_h src;
 391         tbm_surface_h dst;
 392         struct list_head link;
 393         struct list_head commit_link;
 394 } tdm_pp_private_buffer;
 395
 396 typedef struct _tdm_capture_private_buffer {
 397         tbm_surface_h buffer;
 398         struct list_head link;
 399         struct list_head commit_link;
 400 } tdm_capture_private_buffer;
 401
 402 int
 403 tdm_display_check_module_abi(tdm_private_display *private_display, int abimaj, int abimin);
 404
 405 tdm_private_output *
 406 tdm_display_find_output_stamp(tdm_private_display *private_display, double stamp);
 407 tdm_private_pp *
 408 tdm_pp_find_stamp(tdm_private_display *private_display, double stamp);
 409 tdm_private_capture *
 410 tdm_capture_find_stamp(tdm_private_display *private_display, double stamp);
 411
 412 void
 413 tdm_output_cb_vblank(tdm_output *output_backend, unsigned int sequence,
 414                                          unsigned int tv_sec, unsigned int tv_usec, void *user_data);
 415 void
 416 tdm_output_cb_commit(tdm_output *output_backend, unsigned int sequence,
 417                                          unsigned int tv_sec, unsigned int tv_usec, void *user_data);
 418 void
 419 tdm_output_cb_status(tdm_output *output_backend, tdm_output_conn_status status,
 420                                          void *user_data);
 421 void
 422 tdm_output_cb_dpms(tdm_output *output_backend, tdm_output_dpms dpms,
 423                                    void *user_data);
 424 tdm_error
 425 tdm_output_wait_vblank_add_front(tdm_output *output, int interval, int sync,
 426                                                                  tdm_output_vblank_handler func, void *user_data);
 427 tdm_error
 428 tdm_output_commit_internal(tdm_output *output, int sync, tdm_output_commit_handler func, void *user_data);
 429 tdm_error
 430 tdm_output_get_dpms_internal(tdm_output *output, tdm_output_dpms *dpms_value);
 431
 432 void
 433 tdm_output_remove_vblank_handler_internal(tdm_output *output, tdm_output_vblank_handler func, void *user_data);
 434 void
 435 tdm_output_remove_commit_handler_internal(tdm_output *output, tdm_output_commit_handler func, void *user_data);
 436 void
 437 tdm_layer_remove_commit_handler_internal(tdm_layer *layer, tdm_layer_commit_handler func, void *user_data);
 438
 439 void
 440 tdm_layer_committed(tdm_private_layer *private_layer, tdm_private_layer_buffer **committed_buffer);
 441
 442 void
 443 tdm_pp_cb_done(tdm_pp *pp_backend, tbm_surface_h src, tbm_surface_h dst,
 444                            void *user_data);
 445 void
 446 tdm_capture_cb_done(tdm_capture *capture_backend, tbm_surface_h buffer,
 447                                         void *user_data);
 448 tdm_error
 449 tdm_vblank_cb_vblank_SW(tdm_vblank *vblank, double vblank_stamp);
 450 tdm_error
 451 tdm_vblank_set_add_front(tdm_vblank *vblank, unsigned int add_front);
 452 tdm_error
 453 tdm_vblank_set_resource(tdm_vblank *vblank, struct wl_resource *resource);
 454 tdm_error
 455 tdm_vblank_set_client_vblank_fps(unsigned int pid, const char *name, unsigned int fps);
 456 void
 457 tdm_vblank_get_vblank_list_information(tdm_display *dpy, char *reply, int *len);
 458
 459 void
 460 tdm_output_call_change_handler_internal(tdm_private_output *private_output,
 461                                                                                 struct list_head *change_handler_list,
 462                                                                                 tdm_output_change_type type,
 463                                                                                 tdm_value value,
 464                                                                                 int no_check_thread_id);
 465
 466 tdm_private_pp *
 467 tdm_pp_create_internal(tdm_private_display *private_display, tdm_error *error);
 468 void
 469 tdm_pp_destroy_internal(tdm_private_pp *private_pp);
 470
 471 tdm_private_capture *
 472 tdm_capture_create_output_internal(tdm_private_output *private_output,
 473                                                                    tdm_error *error);
 474 tdm_private_capture *
 475 tdm_capture_create_layer_internal(tdm_private_layer *private_layer,
 476                                                                   tdm_error *error);
 477 void
 478 tdm_capture_destroy_internal(tdm_private_capture *private_capture);
 479
 480 /* utility buffer functions for private */
 481 tdm_buffer_info*
 482 tdm_buffer_get_info(tbm_surface_h buffer);
 483 tbm_surface_h
 484 tdm_buffer_list_get_first_entry(struct list_head *list);
 485 void
 486 tdm_buffer_list_dump(struct list_head *list);
 487
 488 void
 489 tdm_buffer_remove_release_handler_internal(tbm_surface_h buffer);
 490
 491 /* event functions for private */
 492 tdm_error
 493 tdm_event_loop_init(tdm_private_display *private_display);
 494 void
 495 tdm_event_loop_deinit(tdm_private_display *private_display);
 496 void
 497 tdm_event_loop_stop(tdm_private_display *private_display);
 498 void
 499 tdm_event_loop_create_backend_source(tdm_private_display *private_display);
 500 int
 501 tdm_event_loop_get_fd(tdm_private_display *private_display);
 502 tdm_error
 503 tdm_event_loop_dispatch(tdm_private_display *private_display);
 504 void
 505 tdm_event_loop_flush(tdm_private_display *private_display);
 506 tdm_error
 507 tdm_event_loop_trace_enable(tdm_private_display *private_display, unsigned int enable);
 508
 509 typedef enum {
 510         TDM_THREAD_CB_NONE,
 511         TDM_THREAD_CB_OUTPUT_COMMIT,
 512         TDM_THREAD_CB_OUTPUT_VBLANK,
 513         TDM_THREAD_CB_OUTPUT_STATUS,
 514         TDM_THREAD_CB_OUTPUT_DPMS,
 515         TDM_THREAD_CB_PP_DONE,
 516         TDM_THREAD_CB_CAPTURE_DONE,
 517         TDM_THREAD_CB_VBLANK_SW,
 518 } tdm_thread_cb_type;
 519
 520 typedef struct _tdm_thread_cb_base tdm_thread_cb_base;
 521 typedef struct _tdm_thread_cb_output_vblank tdm_thread_cb_output_commit;
 522 typedef struct _tdm_thread_cb_output_vblank tdm_thread_cb_output_vblank;
 523 typedef struct _tdm_thread_cb_output_status tdm_thread_cb_output_status;
 524 typedef struct _tdm_thread_cb_output_dpms tdm_thread_cb_output_dpms;
 525 typedef struct _tdm_thread_cb_pp_done tdm_thread_cb_pp_done;
 526 typedef struct _tdm_thread_cb_capture_done tdm_thread_cb_capture_done;
 527 typedef struct _tdm_thread_cb_vblank_sw tdm_thread_cb_vblank_sw;
 528
 529 struct _tdm_thread_cb_base {
 530         tdm_thread_cb_type type;
 531         unsigned int length;
 532 };
 533
 534 struct _tdm_thread_cb_output_vblank {
 535         tdm_thread_cb_base base;
 536         double output_stamp;
 537         unsigned int sequence;
 538         unsigned int tv_sec;
 539         unsigned int tv_usec;
 540         void *user_data;
 541 };
 542
 543 struct _tdm_thread_cb_output_status {
 544         tdm_thread_cb_base base;
 545         double output_stamp;
 546         tdm_output_conn_status status;
 547         void *user_data;
 548 };
 549
 550 struct _tdm_thread_cb_output_dpms {
 551         tdm_thread_cb_base base;
 552         double output_stamp;
 553         tdm_output_dpms dpms;
 554         void *user_data;
 555 };
 556
 557 struct _tdm_thread_cb_pp_done {
 558         tdm_thread_cb_base base;
 559         double pp_stamp;
 560         tbm_surface_h src;
 561         tbm_surface_h dst;
 562         void *user_data;
 563 };
 564
 565 struct _tdm_thread_cb_capture_done {
 566         tdm_thread_cb_base base;
 567         double capture_stamp;
 568         tbm_surface_h buffer;
 569         void *user_data;
 570 };
 571
 572 struct _tdm_thread_cb_vblank_sw {
 573         tdm_thread_cb_base base;
 574         double vblank_stamp;
 575 };
 576
 577 tdm_error
 578 tdm_thread_init(tdm_private_loop *private_loop);
 579 void
 580 tdm_thread_deinit(tdm_private_loop *private_loop);
 581 int
 582 tdm_thread_get_fd(tdm_private_loop *private_loop);
 583 tdm_error
 584 tdm_thread_send_cb(tdm_private_loop *private_loop, tdm_thread_cb_base *base);
 585 tdm_error
 586 tdm_thread_handle_cb(tdm_private_loop *private_loop);
 587 int
 588 tdm_thread_in_display_thread(pid_t tid);
 589 int
 590 tdm_thread_is_running(void);
 591
 592 tdm_error
 593 tdm_server_init(tdm_private_loop *private_loop);
 594 void
 595 tdm_server_deinit(tdm_private_loop *private_loop);
 596 const char*
 597 tdm_server_get_client_name(pid_t pid);
 598
 599 char *
 600 tdm_helper_dump_make_directory(const char *path, char *reply, int *len);
 601 void
 602 tdm_helper_dump_buffer_str(tbm_surface_h buffer, char *dir, char *str);
 603 double
 604 tdm_helper_get_time(void);
 605
 606 extern pthread_mutex_t tdm_mutex_check_lock;
 607 extern int tdm_mutex_locked;
 608 extern const char *tdm_mutex_lock_func;
 609 extern int tdm_mutex_lock_line;
 610 extern const char *tdm_mutex_unlock_func;
 611 extern int tdm_mutex_unlock_line;
 612 extern int tdm_dump_enable;
 613 extern char *tdm_debug_dump_dir;
 614
 615 #define _pthread_mutex_unlock(l) \
 616         do { \
 617                 if (tdm_debug_module & TDM_DEBUG_MUTEX) \
 618                         TDM_INFO("mutex unlock"); \
 619                 pthread_mutex_lock(&tdm_mutex_check_lock); \
 620                 tdm_mutex_locked = 0; \
 621                 tdm_mutex_lock_func = NULL; \
 622                 tdm_mutex_lock_line = 0; \
 623                 tdm_mutex_unlock_func = __FUNCTION__; \
 624                 tdm_mutex_unlock_line = __LINE__; \
 625                 pthread_mutex_unlock(&tdm_mutex_check_lock); \
 626                 pthread_mutex_unlock(l); \
 627         } while (0)
 628 #ifdef TDM_CONFIG_MUTEX_TIMEOUT
 629 #define MUTEX_TIMEOUT_SEC 5
 630 #define _pthread_mutex_lock(l) \
 631         do { \
 632                 if (tdm_debug_module & TDM_DEBUG_MUTEX) \
 633                         TDM_INFO("mutex lock"); \
 634                 struct timespec rtime; \
 635                 clock_gettime(CLOCK_REALTIME, &rtime); \
 636                 rtime.tv_sec += MUTEX_TIMEOUT_SEC; \
 637                 if (pthread_mutex_timedlock(l, &rtime)) { \
 638                         TDM_ERR("Mutex lock failed PID %d", getpid()); \
 639                         _pthread_mutex_unlock(l); \
 640                 } \
 641                 else { \
 642                         pthread_mutex_lock(&tdm_mutex_check_lock); \
 643                         tdm_mutex_locked = 1; \
 644                         tdm_mutex_lock_func = __FUNCTION__; \
 645                         tdm_mutex_lock_line = __LINE__; \
 646                         tdm_mutex_unlock_func = NULL; \
 647                         tdm_mutex_unlock_line = 0; \
 648                         pthread_mutex_unlock(&tdm_mutex_check_lock); \
 649                 } \
 650         } while (0)
 651 #else //TDM_CONFIG_MUTEX_TIMEOUT
 652 #define _pthread_mutex_lock(l) \
 653         do { \
 654                 if (tdm_debug_module & TDM_DEBUG_MUTEX) \
 655                         TDM_INFO("mutex lock"); \
 656                 pthread_mutex_lock(l); \
 657                 pthread_mutex_lock(&tdm_mutex_check_lock); \
 658                 tdm_mutex_locked = 1; \
 659                 tdm_mutex_lock_func = __FUNCTION__; \
 660                 tdm_mutex_lock_line = __LINE__; \
 661                 tdm_mutex_unlock_func = NULL; \
 662                 tdm_mutex_unlock_line = 0; \
 663                 pthread_mutex_unlock(&tdm_mutex_check_lock); \
 664         } while (0)
 665 #endif //TDM_CONFIG_MUTEX_TIMEOUT
 666 //#define TDM_MUTEX_IS_LOCKED() (tdm_mutex_locked == 1)
 667 static inline int TDM_MUTEX_IS_LOCKED(void)
 668 {
 669         int ret;
 670         /* if thread is not running, we don't need to consider mutex things. */
 671         if (!tdm_thread_is_running())
 672                 return 1;
 673         pthread_mutex_lock(&tdm_mutex_check_lock);
 674         ret = (tdm_mutex_locked == 1);
 675         pthread_mutex_unlock(&tdm_mutex_check_lock);
 676         return ret;
 677 }
 678
 679 #define tdm_display_lock(dpy)   _pthread_mutex_lock(&((tdm_private_display *)dpy)->lock)
 680 #define tdm_display_unlock(dpy)   _pthread_mutex_unlock(&((tdm_private_display *)dpy)->lock)
 681
 682 tdm_error
 683 tdm_display_update_output(tdm_private_display *private_display,
 684                                                   tdm_output *output_backend, int pipe);
 685 tdm_error
 686 tdm_display_enable_debug_module(const char*modules);
 687 tdm_error
 688 tdm_display_enable_dump(tdm_private_display *private_display, const char *dump_str, char *reply, int *len);
 689 tdm_error
 690 tdm_display_enable_path(const char *path);
 691 tdm_error
 692 tdm_display_enable_ttrace_vblank(tdm_display *dpy, tdm_output *output, int enable);
 693 tdm_error
 694 tdm_display_enable_commit_per_vblank(tdm_private_display *private_display, int enable);
 695 tdm_error
 696 tdm_display_enable_fps(tdm_private_display *private_display, int enable);
 697
 698 void
 699 tdm_monitor_server_command(tdm_display *dpy, const char *options, char *reply, int *len);
 700
 701
 702 struct argument_details {
 703         char type;
 704         int nullable;
 705 };
 706
 707
 708 #ifdef __cplusplus
 709 }
 710 #endif
 711
 712 #endif /* _TDM_PRIVATE_H_ */