src/tdm_monitor_server.c

   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 #include "tdm_private.h"
  37
  38 #define TDM_DBG_SERVER_ARGS_MAX         32
  39
  40 /* LCOV_EXCL_START */
  41 static void _tdm_monitor_server_usage(char *app_name, char *reply, int *len);
  42
  43 static void
  44 _tdm_monitor_server_query(unsigned int pid, char *cwd, int argc, char *argv[], char *reply, int *len, tdm_display *dpy)
  45 {
  46         tdm_display_lock(dpy);
  47         tdm_helper_get_display_information(dpy, reply, len);
  48         tdm_display_unlock(dpy);
  49 }
  50
  51 static void
  52 _tdm_monitor_server_protocol_trace(unsigned int pid, char *cwd, int argc, char *argv[], char *reply, int *len, tdm_display *dpy)
  53 {
  54         int enable;
  55
  56         if (argc < 3) {
  57                 _tdm_monitor_server_usage(argv[0], reply, len);
  58                 return;
  59         }
  60
  61         enable = atoi(argv[2]);
  62
  63         tdm_event_loop_trace_enable(dpy, enable);
  64
  65         TDM_SNPRINTF(reply, len, "protocol trace: '%s'\n", (enable) ? "enabled" : "disabled");
  66 }
  67
  68 static void
  69 _tdm_monitor_server_dpms(unsigned int pid, char *cwd, int argc, char *argv[], char *reply, int *len, tdm_display *dpy)
  70 {
  71         tdm_output *output;
  72         int output_idx, dpms_value;
  73         char *arg;
  74         char *end;
  75         tdm_error ret;
  76
  77         if (argc < 3) {
  78                 _tdm_monitor_server_usage(argv[0], reply, len);
  79                 return;
  80         }
  81
  82         arg = argv[2];
  83         output_idx = strtol(arg, &end, 10);
  84         if (*end != ':') {
  85                 TDM_SNPRINTF(reply, len, "failed: no onoff value\n");
  86                 return;
  87         }
  88
  89         arg = end + 1;
  90         dpms_value = strtol(arg, &end, 10);
  91
  92         output = tdm_display_get_output(dpy, output_idx, &ret);
  93         TDM_DBG_RETURN_IF_FAIL(ret == TDM_ERROR_NONE && output != NULL);
  94
  95         ret = tdm_output_set_dpms(output, dpms_value);
  96         TDM_DBG_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
  97
  98         TDM_SNPRINTF(reply, len, "done: DPMS %s\n", tdm_dpms_str(dpms_value));
  99 }
 100
 101 static void
 102 _tdm_monitor_server_ttrace(unsigned int pid, char *cwd, int argc, char *argv[], char *reply, int *len, tdm_display *dpy)
 103 {
 104         int output_id = 0;
 105         char *end;
 106         tdm_error ret;
 107
 108         if (argc < 3) {
 109                 _tdm_monitor_server_usage(argv[0], reply, len);
 110                 return;
 111         }
 112
 113         if (argv[3])
 114                 output_id = strtol(argv[3], &end, 10);
 115
 116         ret = tdm_display_enable_ttrace(dpy, argv[2], output_id, reply, len);
 117         TDM_DBG_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
 118 }
 119
 120 static void
 121 _tdm_monitor_server_debug(unsigned int pid, char *cwd, int argc, char *argv[], char *reply, int *len, tdm_display *dpy)
 122 {
 123         int level;
 124         char *arg;
 125         char *end;
 126
 127         if (argc < 3) {
 128                 _tdm_monitor_server_usage(argv[0], reply, len);
 129                 return;
 130         }
 131
 132         arg = argv[2];
 133         level = strtol(arg, &end, 10);
 134
 135         tdm_log_set_debug_level(level);
 136         TDM_SNPRINTF(reply, len, "debug level: %d\n", level);
 137
 138         if (*end == '@') {
 139                 char *arg = end + 1;
 140
 141                 tdm_display_enable_debug_module((const char *)arg);
 142
 143                 TDM_SNPRINTF(reply, len, "debugging... '%s'\n", arg);
 144         }
 145 }
 146
 147 static void
 148 _tdm_monitor_server_log_path(unsigned int pid, char *cwd, int argc, char *argv[], char *reply, int *len, tdm_display *dpy)
 149 {
 150         static int old_stdout = -1;
 151         char fd_name[TDM_PATH_LEN];
 152         char *path;
 153
 154         if (argc < 3) {
 155                 _tdm_monitor_server_usage(argv[0], reply, len);
 156                 return;
 157         }
 158
 159         if (old_stdout == -1)
 160                 old_stdout = dup(STDOUT_FILENO);
 161
 162         path = argv[2];
 163         TDM_DBG_RETURN_IF_FAIL(path != NULL);
 164
 165         tdm_log_enable_dlog(0);
 166
 167         if (!strncmp(path, "dlog", 4)) {
 168                 tdm_log_enable_dlog(1);
 169                 goto done;
 170         } else if (!strncmp(path, "console", 7))
 171                 snprintf(fd_name, TDM_PATH_LEN, "/proc/%d/fd/1", pid);
 172         else {
 173                 if (path[0] == '/')
 174                         snprintf(fd_name, TDM_PATH_LEN, "%s", path);
 175                 else {
 176                         if (cwd)
 177                                 snprintf(fd_name, TDM_PATH_LEN, "%s/%s", cwd, path);
 178                         else
 179                                 snprintf(fd_name, TDM_PATH_LEN, "%s", path);
 180                 }
 181                 tdm_log_enable_color(0);
 182         }
 183
 184         tdm_log_set_path((const char*)fd_name);
 185
 186 done:
 187         TDM_SNPRINTF(reply, len, "log path: '%s'\n", path);
 188 }
 189
 190 static void
 191 _tdm_monitor_server_choose_commit_per_vblank_mode(unsigned int pid, char *cwd, int argc, char *argv[], char *reply, int *len, tdm_display *dpy)
 192 {
 193         int output_idx;
 194         int mode;
 195         char *arg;
 196         char *end;
 197         tdm_error err;
 198
 199         /* TODO: do we have to provide an ability to choose commit_per_vblank mode outside? */
 200
 201         if (argc < 4) {
 202                 _tdm_monitor_server_usage(argv[0], reply, len);
 203                 return;
 204         }
 205
 206         arg = argv[2];
 207         output_idx = strtol(arg, &end, 10);
 208
 209         arg = argv[3];
 210         mode = strtol(arg, &end, 10);
 211
 212         err = tdm_output_choose_commit_per_vblank_mode(tdm_display_get_output(dpy, output_idx, NULL), mode);
 213         if (err != TDM_ERROR_NONE) {
 214                 TDM_SNPRINTF(reply, len, "an error: output_idx or mode is wrong\n");
 215                 return;
 216         }
 217
 218         TDM_SNPRINTF(reply, len, "the mode's been set\n");
 219 }
 220
 221 static void
 222 _tdm_monitor_server_fps(unsigned int pid, char *cwd, int argc, char *argv[], char *reply, int *len, tdm_display *dpy)
 223 {
 224         int enable;
 225         char *arg;
 226         char *end;
 227
 228         if (argc < 3) {
 229                 _tdm_monitor_server_usage(argv[0], reply, len);
 230                 return;
 231         }
 232
 233         arg = argv[2];
 234         enable = strtol(arg, &end, 10);
 235
 236         tdm_display_enable_fps(dpy, enable);
 237
 238         TDM_SNPRINTF(reply, len, "%s to print fps\n", (enable) ? "enable" : "disable");
 239 }
 240
 241 static void
 242 _tdm_monitor_server_vblank_list(unsigned int pid, char *cwd, int argc, char *argv[],
 243                                                                 char *reply, int *len, tdm_display *dpy)
 244 {
 245         tdm_vblank_get_vblank_list_information(dpy, reply, len);
 246 }
 247
 248 static void
 249 _tdm_monitor_server_vblank_fps(unsigned int pid, char *cwd, int argc, char *argv[],
 250                                                            char *reply, int *len, tdm_display *dpy)
 251 {
 252         unsigned int target_pid, fps;
 253         char *arg;
 254         char *end;
 255         char name[TDM_NAME_LEN];
 256         tdm_error ret;
 257
 258         if (argc < 3) {
 259                 _tdm_monitor_server_usage(argv[0], reply, len);
 260                 return;
 261         }
 262
 263         arg = argv[2];
 264         target_pid = strtol(arg, &end, 10);
 265
 266         if (*end == ',') {
 267                 arg = end + 1;
 268                 end = strtostr(name, TDM_NAME_LEN, arg, TDM_DELIM);
 269         } else {
 270                 strncpy(name, TDM_VBLANK_DEFAULT_NAME, TDM_NAME_LEN - 1);
 271                 name[TDM_NAME_LEN - 1] = '\0';
 272         }
 273
 274         if (*end != '@') {
 275                 TDM_SNPRINTF(reply, len, "failed: no fps value\n");
 276                 return;
 277         }
 278
 279         arg = end + 1;
 280         fps = strtol(arg, &end, 10);
 281
 282         ret = tdm_vblank_set_client_vblank_fps(target_pid, name, fps);
 283         if (ret != TDM_ERROR_NONE) {
 284                 TDM_SNPRINTF(reply, len, "can't set '%u' fps to '%s' client vblank(PID:%u)\n", fps, name, target_pid);
 285                 return;
 286         }
 287
 288         TDM_SNPRINTF(reply, len, "success: '%u' fps for '%s' client vblank(PID:%u)\n", fps, name, target_pid);
 289 }
 290
 291 static void
 292 _tdm_monitor_server_global_fps(unsigned int pid, char *cwd, int argc, char *argv[],
 293                                                            char *reply, int *len, tdm_display *dpy)
 294 {
 295         unsigned int fps;
 296         char *arg;
 297         char *end;
 298         tdm_error ret;
 299
 300         if (argc < 3) {
 301                 _tdm_monitor_server_usage(argv[0], reply, len);
 302                 return;
 303         }
 304
 305         arg = argv[2];
 306         fps = strtol(arg, &end, 10);
 307
 308         if (fps > 0)
 309                 ret = tdm_vblank_enable_global_fps(1, fps);
 310         else
 311                 ret = tdm_vblank_enable_global_fps(0, 0);
 312
 313         if (ret != TDM_ERROR_NONE) {
 314                 TDM_SNPRINTF(reply, len, "can't set '%u' fps to global fps\n", fps);
 315                 return;
 316         }
 317
 318         TDM_SNPRINTF(reply, len, "success: '%u' global fps\n", fps);
 319 }
 320
 321 static void
 322 _tdm_monitor_server_prop(unsigned int pid, char *cwd, int argc, char *argv[], char *reply, int *len, tdm_display *dpy)
 323 {
 324         tdm_output *output;
 325         tdm_output *layer = NULL;
 326         int output_idx, layer_idx = -1;
 327         int cnt, i, done = 0;
 328         tdm_value value;
 329         char temp[TDM_PATH_LEN];
 330         char *prop_name;
 331         char *arg;
 332         char *end;
 333         tdm_error ret;
 334         const tdm_prop *props;
 335
 336         if (argc < 3) {
 337                 _tdm_monitor_server_usage(argv[0], reply, len);
 338                 return;
 339         }
 340
 341         snprintf(temp, TDM_PATH_LEN, "%s", argv[2]);
 342         arg = temp;
 343
 344         output_idx = strtol(arg, &end, 10);
 345         if (*end == ',') {
 346                 arg = end + 1;
 347                 layer_idx = strtol(arg, &end, 10);
 348         }
 349
 350         if (*end != ':') {
 351                 TDM_SNPRINTF(reply, len, "failed: no prop_name\n");
 352                 return;
 353         }
 354
 355         arg = end + 1;
 356         prop_name = strtok_r(arg, ",", &end);
 357         if (!prop_name) {
 358                 TDM_SNPRINTF(reply, len, "failed: get prop_name by strtok_r\n");
 359                 return;
 360         }
 361
 362         if (*end == '\0') {
 363                 TDM_SNPRINTF(reply, len, "failed: no value\n");
 364                 return;
 365         }
 366
 367         arg = strtok_r(NULL, TDM_DELIM, &end);
 368         if (!arg) {
 369                 TDM_SNPRINTF(reply, len, "failed: get arg by strtok_r\n");
 370                 return;
 371         }
 372         value.u32 = strtol(arg, &end, 10);
 373
 374         output = tdm_display_get_output(dpy, output_idx, &ret);
 375         TDM_DBG_RETURN_IF_FAIL(ret == TDM_ERROR_NONE && output != NULL);
 376
 377         if (layer_idx != -1) {
 378                 layer = tdm_output_get_layer(output, layer_idx, &ret);
 379                 TDM_DBG_RETURN_IF_FAIL(ret == TDM_ERROR_NONE && layer != NULL);
 380         }
 381
 382         if (layer) {
 383                 ret = tdm_layer_get_available_properties(layer, &props, &cnt);
 384                 TDM_DBG_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
 385
 386                 for (i = 0; i < cnt; i++) {
 387                         if (!strncmp(props[i].name, prop_name, TDM_NAME_LEN)) {
 388                                 ret = tdm_layer_set_property(layer, props[i].id, value);
 389                                 TDM_DBG_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
 390                                 done = 1;
 391                                 break;
 392                         }
 393                 }
 394         } else {
 395                 ret = tdm_output_get_available_properties(output, &props, &cnt);
 396                 TDM_DBG_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
 397
 398                 for (i = 0; i < cnt; i++) {
 399                         if (!strncmp(props[i].name, prop_name, TDM_NAME_LEN)) {
 400                                 ret = tdm_output_set_property(output, props[i].id, value);
 401                                 TDM_DBG_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
 402                                 done = 1;
 403                                 break;
 404                         }
 405                 }
 406         }
 407
 408         if (done)
 409                 TDM_SNPRINTF(reply, len, "done: %s:%d \n", prop_name, value.u32);
 410         else
 411                 TDM_SNPRINTF(reply, len, "no '%s' propperty \n", prop_name);
 412 }
 413
 414 static void
 415 _tdm_monitor_server_dump(unsigned int pid, char *cwd, int argc, char *argv[], char *reply, int *len, tdm_display *dpy)
 416 {
 417         if (argc < 3) {
 418                 _tdm_monitor_server_usage(argv[0], reply, len);
 419                 return;
 420         }
 421
 422         tdm_display_enable_dump(dpy, (const char*)argv[2], reply, len);
 423 }
 424
 425 static void
 426 _tdm_monitor_server_punch(unsigned int pid, char *cwd, int argc, char *argv[], char *reply, int *len, tdm_display *dpy)
 427 {
 428         char *arg, *end;
 429         unsigned int output_id, layer_id;
 430         tdm_output *output;
 431         tdm_layer *layer;
 432         tbm_surface_h buffer;
 433
 434         arg = argv[2];
 435
 436         output_id = strtol(arg, &end, 10);
 437         output = tdm_display_get_output(dpy, output_id, NULL);
 438         if (!output) {
 439                 TDM_SNPRINTF(reply, len, "not found output\n");
 440                 return;
 441         }
 442         if (*end != ',') {
 443                 TDM_SNPRINTF(reply, len, "not found ',<layer_idx>'\n");
 444                 return;
 445         }
 446
 447         arg = end + 1;
 448         layer_id = strtol(arg, &end, 10);
 449         layer = tdm_output_get_layer(output, layer_id, NULL);
 450         if (!layer) {
 451                 TDM_SNPRINTF(reply, len, "not found layer\n");
 452                 return;
 453         }
 454
 455         buffer = tdm_layer_get_displaying_buffer(layer, NULL);
 456         if (!buffer) {
 457                 TDM_SNPRINTF(reply, len, "not found buffer\n");
 458                 return;
 459         }
 460
 461         if (*end == ':') {
 462                 tdm_pos pos = {0,};
 463
 464                 arg = end + 1;
 465                 pos.w = strtol(arg, &end, 10);
 466                 TDM_EXIT_IF_FAIL(*end == 'x');
 467                 arg = end + 1;
 468                 pos.h = strtol(arg, &end, 10);
 469                 if (*end == '+') {
 470                         arg = end + 1;
 471                         pos.x = strtol(arg, &end, 10);
 472                         TDM_EXIT_IF_FAIL(*end == '+');
 473                         arg = end + 1;
 474                         pos.y = strtol(arg, &end, 10);
 475                 }
 476
 477                 tdm_helper_clear_buffer_pos(buffer, &pos);
 478         } else
 479                 tdm_helper_clear_buffer(buffer);
 480 }
 481
 482 static struct {
 483         const char *opt;
 484         void (*func)(unsigned int pid, char *cwd, int argc, char *argv[], char *reply, int *len, tdm_display *dpy);
 485         const char *desc;
 486         const char *arg;
 487         const char *ex;
 488 } option_proc[] = {
 489         {
 490                 "info", _tdm_monitor_server_query,
 491                 "show tdm output, layer information", NULL, NULL
 492         },
 493         {
 494                 "trace", _tdm_monitor_server_protocol_trace,
 495                 "enable/disable the wl protocol",
 496                 "<enable>",
 497                 "0 or 1"
 498         },
 499         {
 500                 "dpms", _tdm_monitor_server_dpms,
 501                 "set output dpms", "<output_idx>:<dpms>", "0:3 or 0:0"
 502         },
 503         {
 504                 "ttrace", _tdm_monitor_server_ttrace,
 505                 "enable/disable ttrace (module: none,vsync,client_vblank,server_vblank,vblank,layer,pp,capture,all",
 506                 "<module>[@<output_idx>]",
 507                 NULL
 508         },
 509         {
 510                 "debug", _tdm_monitor_server_debug,
 511                 "set the debug level and modules(module: none, mutex, buffer, thread, vblank)",
 512                 "<level>[@<module1>[,<module2>]]",
 513                 NULL
 514         },
 515         {
 516                 "log_path", _tdm_monitor_server_log_path,
 517                 "set the log path (console,dlog,filepath)",
 518                 "<path>",
 519                 "console"
 520         },
 521         {
 522                 "choose_commit_per_vblank_mode", _tdm_monitor_server_choose_commit_per_vblank_mode,
 523                 "choose a commit_per_vblank mode for the output",
 524                 "<output_idx> <mode>",
 525                 "0 1 or 1 2 or 2 0"
 526         },
 527         {
 528                 "fps", _tdm_monitor_server_fps,
 529                 "enable/disable to print fps",
 530                 "<enable>",
 531                 "0 or 1"
 532         },
 533         {
 534                 "vblank_list", _tdm_monitor_server_vblank_list,
 535                 "print the client vblank list",
 536                 NULL,
 537                 NULL
 538         },
 539         {
 540                 "vblank_fps", _tdm_monitor_server_vblank_fps,
 541                 "set the client vblank fps for the given process ID and client vblank name",
 542                 "<pid>[,<vblank_name>]@<fps>",
 543                 NULL
 544         },
 545         {
 546                 "global_fps", _tdm_monitor_server_global_fps,
 547                 "set the global vblank fps for the entire system",
 548                 "<fps>",
 549                 NULL
 550         },
 551         {
 552                 "prop", _tdm_monitor_server_prop,
 553                 "set the property of a output or a layer",
 554                 "<output_idx>[,<layer_idx>]:<prop_name>,<value>",
 555                 NULL
 556         },
 557         {
 558                 "dump", _tdm_monitor_server_dump,
 559                 "dump buffers (type: none, layer, pp, capture, current)\n"
 560                 "\t\t  layer, pp, capture - start to dump buffers of layer, pp, capture\n"
 561                 "\t\t  none               - stop to dump buffers\n"
 562                 "\t\t  current            - dump the current buffer of all layers",
 563                 "<object_type1>[,<object_type2>[,...]][@<directory_path>]",
 564                 NULL
 565         },
 566         {
 567                 "punch", _tdm_monitor_server_punch,
 568                 "punch a layer",
 569                 "<output_idx>,<layer_idx>[:<w>x<h>[+<x>+<y>]]",
 570                 NULL
 571         },
 572 };
 573
 574 static void
 575 _tdm_monitor_server_usage(char *app_name, char *reply, int *len)
 576 {
 577         int opt_size = sizeof(option_proc) / sizeof(option_proc[0]);
 578         int i;
 579
 580         TDM_SNPRINTF(reply, len, "usage: %s \n\n", app_name);
 581
 582         for (i = 0; i < opt_size; i++) {
 583                 TDM_SNPRINTF(reply, len, "\t-%s\t%s\n", option_proc[i].opt, option_proc[i].desc);
 584                 if (option_proc[i].arg)
 585                         TDM_SNPRINTF(reply, len, "\t\t  %s\n", option_proc[i].arg);
 586                 if (option_proc[i].ex)
 587                         TDM_SNPRINTF(reply, len, "\t\t  ex) %s\n", option_proc[i].ex);
 588                 TDM_SNPRINTF(reply, len, "\n");
 589         }
 590 }
 591
 592 static void
 593 _tdm_monitor_server_command(unsigned int pid, char *cwd, tdm_display *dpy, int argc, char *argv[], char *reply, int *len)
 594 {
 595         int opt_size = sizeof(option_proc) / sizeof(option_proc[0]);
 596         int i;
 597
 598         if (argc < 2) {
 599                 _tdm_monitor_server_usage(argv[0], reply, len);
 600                 return;
 601         }
 602
 603         for (i = 0; i < opt_size; i++) {
 604                 if (argv[1][0] == '-' && !strncmp(argv[1] + 1, option_proc[i].opt, 32)) {
 605                         if (option_proc[i].func) {
 606                                 option_proc[i].func(pid, cwd, argc, argv, reply, len, dpy);
 607                                 return;
 608                         } else {
 609                                 TDM_SNPRINTF(reply, len, "'%s' not implemented.\n", argv[1]);
 610                                 return;
 611                         }
 612                 }
 613         }
 614
 615         _tdm_monitor_server_usage(argv[0], reply, len);
 616         return;
 617 }
 618
 619
 620 INTERN void
 621 tdm_monitor_server_command(tdm_display *dpy, const char *options, char *reply, int *len)
 622 {
 623         unsigned int pid;
 624         char cwd[1024];
 625         int argc = 0;
 626         char *argv[TDM_DBG_SERVER_ARGS_MAX] = {0,};
 627         char temp[1024];
 628         char *arg;
 629         char *end = NULL, *e;
 630
 631         snprintf(temp, sizeof(temp), "%s", options);
 632
 633         arg = strtok_r(temp, " ", &end);
 634         if (!arg) {
 635                 TDM_SNPRINTF(reply, len, "no pid for tdm-monitor");
 636                 return;
 637         }
 638         pid = strtol(arg, &e, 10);
 639
 640         arg = strtok_r(NULL, " ", &end);
 641         if (!arg) {
 642                 TDM_SNPRINTF(reply, len, "no cwd for tdm-monitor");
 643                 return;
 644         }
 645         snprintf(cwd, sizeof(cwd), "%s", arg);
 646
 647         TDM_DBG("pid(%d) cwd(%s)", pid, cwd);
 648
 649         argv[argc] = strtok_r(NULL, " ", &end);
 650         while (argv[argc]) {
 651                 argc++;
 652                 if (argc == TDM_DBG_SERVER_ARGS_MAX) {
 653                         TDM_SNPRINTF(reply, len, "too many arguments for tdm-monitor");
 654                         break;
 655                 }
 656                 argv[argc] = strtok_r(NULL, " ", &end);
 657         }
 658
 659         _tdm_monitor_server_command(pid, cwd, dpy, argc, argv, reply, len);
 660 }
 661 /* LCOV_EXCL_STOP */