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