NativeLauncher/launcher/lib/core_runtime.cc

   1 /*
   2  * Copyright (c) 2016 Samsung Electronics Co., Ltd All Rights Reserved
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the License);
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an AS IS BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17
  18 #include <dlfcn.h>
  19 #include <signal.h>
  20 #include <dirent.h>
  21
  22 #include <string>
  23 #include <fstream>
  24 #include <vector>
  25 #include <sstream>
  26
  27 #include <locale>
  28 #include <codecvt>
  29
  30 #include <fcntl.h>
  31 #include <sys/stat.h>
  32 #include <sys/types.h>
  33 #include <sys/wait.h>
  34 #include <unistd.h>
  35 #include <linux/limits.h>
  36 #include <pthread.h>
  37
  38 #include <storage.h>
  39 #include <vconf.h>
  40 #include <app_common.h>
  41
  42 #include <Ecore.h>
  43
  44 #include "injection.h"
  45 #include "utils.h"
  46 #include "log.h"
  47 #include "core_runtime.h"
  48 #include "plugin_manager.h"
  49 #include "path_manager.h"
  50
  51 namespace tizen {
  52 namespace runtime {
  53 namespace dotnetcore {
  54
  55 static coreclr_initialize_ptr initializeClr = nullptr;
  56 static coreclr_execute_assembly_ptr executeAssembly = nullptr;
  57 static coreclr_shutdown_ptr shutdown = nullptr;
  58 static coreclr_create_delegate_ptr createDelegate = nullptr;
  59 static set_environment_variable_ptr setEnvironmentVariable = nullptr;
  60 static stop_profile_after_delay_ptr stopProfileAfterDelay = nullptr;
  61 static set_switch_ptr setSwitch = nullptr;
  62 static void* __coreclrLib = nullptr;
  63 static void* __hostHandle = nullptr;
  64 static unsigned int __domainId = -1;
  65 static bool __initialized = false;
  66 static bool __isProfileMode = false;
  67 PathManager* CoreRuntime::__pm = nullptr;
  68
  69 #define MAX_DELAY_SEC 100
  70
  71 static std::vector<std::string> __envList;
  72
  73 static void setEnvFromFile()
  74 {
  75         std::string envList;
  76         std::ifstream inFile(ENV_FILE_PATH);
  77
  78         __envList.clear();
  79
  80         if (inFile) {
  81                 _INFO("coreclr_env.list is found");
  82
  83                 std::string token;
  84                 while (std::getline(inFile, token, '\n')) {
  85                         if (!token.empty()) {
  86                                 __envList.push_back(token);
  87                         }
  88                 }
  89
  90                 for (unsigned int i = 0; i < __envList.size(); i++) {
  91                         putenv(const_cast<char *>(__envList[i].c_str()));
  92                 }
  93         } else {
  94                 _INFO("coreclr_env.list file is not found. skip");
  95         }
  96 }
  97
  98 #define _unused(x) ((void)(x))
  99
 100 struct sigaction sig_abrt_new;
 101 struct sigaction sig_abrt_old;
 102
 103 static bool checkOnSigabrt = false;
 104 static bool checkOnTerminate = false;
 105
 106 static void onSigabrt(int signum)
 107 {
 108         // use unused variable to avoid build warning
 109         ssize_t ret = write(STDERR_FILENO, "onSigabrt called\n", 17);
 110
 111         if (checkOnTerminate) {
 112                 ret = write(STDERR_FILENO, "onSigabrt called while terminate. go to exit\n", 45);
 113                 _unused(ret);
 114                 exit(0);
 115         }
 116
 117         if (checkOnSigabrt) {
 118                 ret = write(STDERR_FILENO, "onSigabrt called again. go to exit\n", 35);
 119                 _unused(ret);
 120                 exit(0);
 121         }
 122
 123         checkOnSigabrt = true;
 124         if (sigaction(SIGABRT, &sig_abrt_old, NULL) == 0) {
 125                 if (raise(signum) < 0) {
 126                         ret = write(STDERR_FILENO, "Fail to raise SIGABRT\n", 22);
 127                 }
 128         } else {
 129                 ret = write(STDERR_FILENO, "Fail to set original SIGABRT handler\n", 37);
 130         }
 131         _unused(ret);
 132 }
 133
 134 static void registerSigHandler()
 135 {
 136         sig_abrt_new.sa_handler = onSigabrt;
 137         if (sigemptyset(&sig_abrt_new.sa_mask) != 0) {
 138                 _ERR("Fail to sigemptyset");
 139         }
 140
 141         if (sigaction(SIGABRT, &sig_abrt_new, &sig_abrt_old) < 0) {
 142                 _ERR("Fail to add sig handler");
 143         }
 144 }
 145
 146 static bool storage_cb(int id, storage_type_e type, storage_state_e state, const char *path, void *user_data)
 147 {
 148         int* tmp = (int*)user_data;
 149         if (type == STORAGE_TYPE_INTERNAL)
 150         {
 151                 *tmp = id;
 152                 return false;
 153         }
 154
 155         return true;
 156 }
 157
 158 static void setSpecialFolder(storage_directory_e type, const char* key)
 159 {
 160         int error;
 161         char* path = NULL;
 162         static int __storageId = -1;
 163
 164         if (__storageId < 0) {
 165                 error = storage_foreach_device_supported(storage_cb, &__storageId);
 166                 if (error != STORAGE_ERROR_NONE) {
 167                         return;
 168                 }
 169         }
 170
 171         error = storage_get_directory(__storageId, type, &path);
 172         if (error == STORAGE_ERROR_NONE && path != NULL) {
 173                 setenv(key, const_cast<char *>(path), 1);
 174                 free(path);
 175         }
 176 }
 177
 178 static void initEnvForSpecialFolder()
 179 {
 180         if (getenv("XDG_PICTURES_DIR") == NULL) {
 181                 setSpecialFolder(STORAGE_DIRECTORY_IMAGES, "XDG_PICTURES_DIR");
 182         }
 183
 184         if (getenv("XDG_MUSIC_DIR") == NULL) {
 185                 setSpecialFolder(STORAGE_DIRECTORY_MUSIC, "XDG_MUSIC_DIR");
 186         }
 187
 188         if (getenv("XDG_VIDEOS_DIR") == NULL) {
 189                 setSpecialFolder(STORAGE_DIRECTORY_VIDEOS, "XDG_VIDEOS_DIR");
 190         }
 191 }
 192
 193 static void setLang()
 194 {
 195         //To reduce search overhead of libicuuc.so.xx
 196         setenv("CLR_ICU_VERSION_OVERRIDE", "build", 1);
 197
 198         char* lang = vconf_get_str(VCONFKEY_LANGSET);
 199         if (!lang) {
 200                 _ERR("Fail to get language from vconf");
 201                 return;
 202         }
 203
 204         // In order to operate ICU (used for globalization) normally, the following
 205         // environment variables must be set before using ICU API.
 206         // When running Applicaiton, the following environment variables are set by AppFW.
 207         // But when preloading the dll in the candidate process, the following environment variables are not set
 208         // As a result, CultureInfo is incorrectly generated and malfunctions.
 209         // For example, uloc_getDefault() returns en_US_POSIX, CultureInfo is set to invariant mode.
 210         setenv("LANG", const_cast<char *>(lang), 1);
 211         setlocale(LC_ALL, const_cast<char *>(lang));
 212
 213         free(lang);
 214 }
 215
 216 static std::string readSelfPath()
 217 {
 218         char buff[PATH_MAX];
 219         ssize_t len = ::readlink("/proc/self/exe", buff, sizeof(buff)-1);
 220         if (len != -1) {
 221                 buff[len] = '\0';
 222                 return std::string(buff);
 223         }
 224
 225         return "";
 226 }
 227
 228 static void removeDebugPipe()
 229 {
 230         DIR *dir;
 231         struct dirent* entry;
 232         char debugPipeFiles[PATH_MAX];;
 233         sprintf(debugPipeFiles, "/tmp/clr-debug-pipe-%d-", getpid());
 234
 235         dir = opendir("/tmp");
 236         if (dir == nullptr) {
 237                 _ERR("Fail to open /tmp directory");
 238                 return;
 239         }
 240
 241         while ((entry = readdir(dir)) != nullptr) {
 242                 std::string path = concatPath("/tmp", entry->d_name);
 243                 if (path.find(debugPipeFiles) != std::string::npos) {
 244                         if (!removeFile(path)) {
 245                                 _ERR("Fail to remove file (%s)", path.c_str());
 246                         }
 247                 }
 248         }
 249
 250         closedir(dir);
 251 }
 252
 253 void preload()
 254 {
 255         typedef void (*PreloadDelegate)();
 256         PreloadDelegate preloadDelegate;
 257
 258         int ret = createDelegate(__hostHandle,
 259                 __domainId,
 260                 "Tizen.Runtime",
 261                 "Tizen.Runtime.Preloader",
 262                 "Preload",
 263                 (void**)&preloadDelegate);
 264
 265         if (ret < 0) {
 266                 _ERR("Failed to create delegate for Tizen.Runtime Preload (0x%08x)", ret);
 267         } else {
 268                 preloadDelegate();
 269         }
 270
 271         pluginPreload();
 272 }
 273
 274 static pthread_t coreclrPreloadThreadId = 0;
 275 static void* coreclrPreloadThread(void* arg)
 276 {
 277         _INFO("CoreclrPreloadThread START\n");
 278         typedef void (*CoreclrPreloadDelegate)();
 279         CoreclrPreloadDelegate coreclrPreloadDelegate;
 280
 281         int ret = createDelegate(__hostHandle,
 282                 __domainId,
 283                 "Tizen.Runtime",
 284                 "Tizen.Runtime.Preloader",
 285                 "CoreclrPreload",
 286                 (void**)&coreclrPreloadDelegate);
 287
 288         if (ret < 0) {
 289                 _ERR("Failed to create delegate for Tizen.Runtime CoreclrPreload (0x%08x)", ret);
 290         } else {
 291                 coreclrPreloadDelegate();
 292         }
 293         _INFO("CoreclrPreloadThread END\n");
 294         pthread_exit(NULL);
 295 }
 296
 297 bool initializeCoreClr(PathManager* pm, const std::string& tpa)
 298 {
 299         bool ncdbStartupHook = isNCDBStartupHookProvided();
 300
 301         const char *propertyKeys[] = {
 302                 "TRUSTED_PLATFORM_ASSEMBLIES",
 303                 "APP_PATHS",
 304                 "APP_NI_PATHS",
 305                 "NATIVE_DLL_SEARCH_DIRECTORIES",
 306                 "AppDomainCompatSwitch",
 307                 ncdbStartupHook ? "STARTUP_HOOKS" : "" // must be the last one
 308         };
 309
 310         const char *propertyValues[] = {
 311                 tpa.c_str(),
 312                 pm->getAppPaths().c_str(),
 313                 pm->getAppNIPaths().c_str(),
 314                 pm->getNativeDllSearchingPaths().c_str(),
 315                 "UseLatestBehaviorWhenTFMNotSpecified",
 316                 ncdbStartupHook ? getNCDBStartupHook() : "" // must be the last one
 317         };
 318
 319         std::string selfPath = readSelfPath();
 320
 321         int st = initializeClr(selfPath.c_str(),
 322                                                         "TizenDotnetApp",
 323                                                         sizeof(propertyKeys) / sizeof(propertyKeys[0]) - (ncdbStartupHook ? 0 : 1),
 324                                                         propertyKeys,
 325                                                         propertyValues,
 326                                                         &__hostHandle,
 327                                                         &__domainId);
 328
 329         if (st < 0) {
 330                 _ERR("initialize core clr fail! (0x%08x)", st);
 331                 return false;
 332         }
 333
 334         pluginSetCoreclrInfo(__hostHandle, __domainId, createDelegate);
 335
 336         _INFO("Initialize core clr success");
 337         return true;
 338 }
 339
 340 int CoreRuntime::initialize(const char* appType, LaunchMode launchMode)
 341 {
 342         if (__initialized) {
 343                 _ERR("CoreRuntime is already initialized");
 344                 return -1;
 345         }
 346
 347         // Intiailize ecore first (signal handlers, etc.) before runtime init.
 348         ecore_init();
 349
 350         // set language environment to support ICU
 351         setLang();
 352
 353         char *env = nullptr;
 354         env = getenv("CORECLR_ENABLE_PROFILING");
 355         if (env != nullptr && !strcmp(env, "1")) {
 356                 _INFO("profiling mode on");
 357                 __isProfileMode = true;
 358         }
 359
 360         // plugin initialize should be called before creating threads.
 361         // In case of VD plugins, attaching secure zone is done in the plugin_initialize().
 362         // When attaching to a secure zone, if there is a created thread, it will failed.
 363         // So, plugin initialize should be called before creating threads.
 364         if (initializePluginManager(appType) < 0) {
 365                 _ERR("Failed to initialize PluginManager");
 366                 return -1;
 367         }
 368
 369         // checkInjection checks dotnet-launcher run mode
 370         // At the moment, this mechanism is used only when the Memory Profiler is started.
 371         int res = checkInjection();
 372         if (res != 0) {
 373                 _ERR("Failed to initnialize Memory Profiler");
 374                 return -1;
 375         }
 376
 377 #ifdef __arm__
 378         // libunwind library is used to unwind stack frame, but libunwind for ARM
 379         // does not support ARM vfpv3/NEON registers in DWARF format correctly.
 380         // Therefore let's disable stack unwinding using DWARF information
 381         // See https://github.com/dotnet/coreclr/issues/6698
 382         //
 383         // libunwind use following methods to unwind stack frame.
 384         // UNW_ARM_METHOD_ALL           0xFF
 385         // UNW_ARM_METHOD_DWARF         0x01
 386         // UNW_ARM_METHOD_FRAME         0x02
 387         // UNW_ARM_METHOD_EXIDX         0x04
 388         putenv(const_cast<char *>("UNW_ARM_UNWIND_METHOD=6"));
 389 #endif // __arm__
 390
 391         // Enable diagnostics.
 392         // clr create clr-debug-pipe-xxx and dotnet-diagnostics-xxx file under /tmp dir.
 393         putenv(const_cast<char *>("COMPlus_EnableDiagnostics=1"));
 394
 395         // Write Debug.WriteLine to stderr
 396         putenv(const_cast<char *>("COMPlus_DebugWriteToStdErr=1"));
 397
 398 #ifdef USE_DEFAULT_BASE_ADDR
 399         putenv(const_cast<char *>("COMPlus_UseDefaultBaseAddr=1"));
 400 #endif // USE_DEFAULT_BASE_ADDR
 401
 402         // Disable config cache to set environment after coreclr_initialize()
 403         putenv(const_cast<char *>("COMPlus_DisableConfigCache=1"));
 404
 405         // read string from external file and set them to environment value.
 406         setEnvFromFile();
 407
 408         try {
 409                 __pm = new PathManager();
 410         } catch (const std::exception& e) {
 411                 _ERR("Failed to create PathManager");
 412                 return -1;
 413         }
 414
 415         char* pluginDllPaths = pluginGetDllPath();
 416         if (pluginDllPaths && pluginDllPaths[0] != '\0') {
 417                 __pm->addPlatformAssembliesPaths(pluginDllPaths, true);
 418         }
 419
 420         char* pluginNativePaths = pluginGetNativeDllSearchingPath();
 421         if (pluginNativePaths && pluginNativePaths[0] != '\0') {
 422                 __pm->addNativeDllSearchingPaths(pluginNativePaths, true);
 423         }
 424
 425         char* pluginExtraDllPaths = pluginGetExtraDllPath();
 426         if (pluginExtraDllPaths && pluginExtraDllPaths[0] != '\0') {
 427                 __pm->setExtraDllPaths(pluginExtraDllPaths);
 428         }
 429
 430         pluginHasLogControl();
 431
 432         std::string libCoreclr(concatPath(__pm->getRuntimePath(), "libcoreclr.so"));
 433
 434         __coreclrLib = dlopen(libCoreclr.c_str(), RTLD_NOW | RTLD_LOCAL);
 435         if (__coreclrLib == nullptr) {
 436                 char *err = dlerror();
 437                 _ERR("dlopen failed to open libcoreclr.so with error %s", err);
 438                 return -1;
 439         }
 440
 441 #define CORELIB_RETURN_IF_NOSYM(type, variable, name) \
 442         do { \
 443                 variable = (type)dlsym(__coreclrLib, name); \
 444                 if (variable == nullptr) { \
 445                         _ERR(name " is not found in the libcoreclr.so"); \
 446                         return -1; \
 447                 } \
 448         } while (0)
 449
 450         CORELIB_RETURN_IF_NOSYM(coreclr_initialize_ptr, initializeClr, "coreclr_initialize");
 451         CORELIB_RETURN_IF_NOSYM(coreclr_execute_assembly_ptr, executeAssembly, "coreclr_execute_assembly");
 452         CORELIB_RETURN_IF_NOSYM(coreclr_shutdown_ptr, shutdown, "coreclr_shutdown");
 453         CORELIB_RETURN_IF_NOSYM(coreclr_create_delegate_ptr, createDelegate, "coreclr_create_delegate");
 454
 455 #undef CORELIB_RETURN_IF_NOSYM
 456
 457         _INFO("libcoreclr dlopen and dlsym success");
 458
 459         // Set environment for System.Environment.SpecialFolder
 460         // Below function creates dbus connection by callging storage API.
 461         // If dbus connection is created bofere fork(), forked process cannot use dbus.
 462         // To avoid gdbus blocking issue, below function should be called after fork()
 463         initEnvForSpecialFolder();
 464
 465         std::string tpa;
 466         char* pluginTPA = pluginGetTPA();
 467         if (pluginTPA && pluginTPA[0] != '\0') {
 468                 tpa = std::string(pluginTPA);
 469         } else {
 470                 addAssembliesFromDirectories(__pm->getPlatformAssembliesPaths(), tpa);
 471         }
 472
 473         if (!initializeCoreClr(__pm, tpa)) {
 474                 _ERR("Failed to initialize coreclr");
 475                 return -1;
 476         }
 477
 478         int st = createDelegate(__hostHandle, __domainId, "Tizen.Runtime", "Tizen.Runtime.Environment", "SetEnvironmentVariable", (void**)&setEnvironmentVariable);
 479         if (st < 0 || setEnvironmentVariable == nullptr) {
 480                 _ERR("Create delegate for Tizen.Runtime.dll -> Tizen.Runtime.Environment -> SetEnvironmentVariable failed (0x%08x)", st);
 481                 return -1;
 482         }
 483
 484         st = createDelegate(__hostHandle, __domainId, "Tizen.Runtime", "Tizen.Runtime.Profiler", "StopProfileAfterDelay", (void**)&stopProfileAfterDelay);
 485         if (st < 0 || stopProfileAfterDelay == nullptr) {
 486                 _ERR("Create delegate for Tizen.Runtime.dll -> Tizen.Runtime.Profiler -> StopProfileAfterDelay failed (0x%08x)", st);
 487                 return -1;
 488         }
 489
 490         st = createDelegate(__hostHandle, __domainId, "Tizen.Runtime", "Tizen.Runtime.AppSetting", "SetSwitch", (void**)&setSwitch);
 491         if (st < 0 || setSwitch == nullptr) {
 492                 _ERR("Create delegate for Tizen.Runtime.dll -> Tizen.Runtime.AppSetting -> SetSwitch failed (0x%08x)", st);
 493                 return -1;
 494         }
 495
 496         //Preload and execute long-duration jobs
 497         int err = pthread_create(&coreclrPreloadThreadId, NULL, coreclrPreloadThread, NULL);
 498         if (err) {
 499                 _ERR("CoreclrPreloadThread Creation Failed: %s", strerror(err));
 500         }
 501
 502         if (launchMode == LaunchMode::loader) {
 503                 // preload libraries and manage dlls for optimizing startup time
 504                 preload();
 505
 506                 // The debug pipe created in the candidate process has a "User" label.
 507                 // As a result, smack deny occurs when app process try to access the debug pipe.
 508                 // Also, since debugging is performed only in standalone mode,
 509                 // the debug pipe doesnot be used in the candidate process.
 510                 // So, to avoid smack deny error, delete unused debug pipe files.
 511                 removeDebugPipe();
 512         }
 513
 514         __initialized = true;
 515
 516         _INFO("CoreRuntime initialize success");
 517
 518         return 0;
 519 }
 520
 521 void CoreRuntime::finalize()
 522 {
 523         // call plugin finalize function to notify finalize to plugin
 524         // dlclose shoud be done after coreclr shutdown to avoid breaking signal chain
 525         pluginFinalize();
 526
 527         // ignore the signal generated by an exception that occurred during shutdown
 528         checkOnTerminate = true;
 529
 530         // workaround : to prevent crash while process terminate on profiling mode,
 531         //                              kill process immediately.
 532         // see https://github.com/dotnet/coreclr/issues/26687
 533         if (__isProfileMode) {
 534                 _INFO("shutdown process immediately.");
 535                 _exit(0);
 536         }
 537
 538         if (__hostHandle != nullptr) {
 539                 int st = shutdown(__hostHandle, __domainId);
 540                 if (st < 0)
 541                         _ERR("shutdown core clr fail! (0x%08x)", st);
 542                 __hostHandle = nullptr;
 543         }
 544
 545         if (__coreclrLib != nullptr) {
 546                 if (dlclose(__coreclrLib) != 0) {
 547                         _ERR("libcoreclr.so close failed");
 548                 }
 549
 550                 __coreclrLib = nullptr;
 551         }
 552
 553         finalizePluginManager();
 554
 555         delete __pm;
 556         __pm = NULL;
 557
 558         __envList.clear();
 559
 560         _INFO("CoreRuntime finalized");
 561 }
 562
 563 int CoreRuntime::launch(const char* appId, const char* root, const char* path, int argc, char* argv[], bool profile)
 564 {
 565         if (!__initialized) {
 566                 _ERR("Runtime is not initialized");
 567                 return -1;
 568         }
 569
 570         if (path == nullptr) {
 571                 _ERR("executable path is null");
 572                 return -1;
 573         }
 574
 575         if (!isFile(path)) {
 576                 _ERR("File not exist : %s", path);
 577                 return -1;
 578         }
 579
 580         // VD has their own signal handler.
 581         if (!pluginHasLogControl()) {
 582                 registerSigHandler();
 583         }
 584
 585         pluginSetAppInfo(appId, path);
 586
 587         // temporal root path is overrided to real application root path
 588         __pm->setAppRootPath(root);
 589
 590         // set application data path to coreclr environment.
 591         // application data path can be changed by owner. So, we have to set data path just before launching.
 592         char* localDataPath = app_get_data_path();
 593         if (localDataPath != nullptr) {
 594                 setEnvironmentVariable("XDG_DATA_HOME", localDataPath);
 595
 596                 // set profile.data path and collect/use it if it non-exists/exists.
 597                 if (profile) {
 598                         char multiCoreJitProfile[strlen(localDataPath) + strlen(PROFILE_BASENAME) + 1];
 599                         memcpy(multiCoreJitProfile, localDataPath, strlen(localDataPath) + 1);
 600                         strncat(multiCoreJitProfile, PROFILE_BASENAME, strlen(PROFILE_BASENAME));
 601
 602                         setEnvironmentVariable("COMPlus_MultiCoreJitProfile", multiCoreJitProfile);
 603                         setEnvironmentVariable("COMPlus_MultiCoreJitMinNumCpus", "1");
 604
 605                         if (exist(multiCoreJitProfile)) {
 606                                 setEnvironmentVariable("COMPlus_MultiCoreJitNoProfileGather", "1");
 607                                 _INFO("MCJ playing start for %s", appId);
 608                         } else {
 609                                 setEnvironmentVariable("COMPlus_MultiCoreJitNoProfileGather", "0");
 610                                 // stop profiling and write collected data after delay if env value is set.
 611                                 char *env = getenv("CLR_MCJ_PROFILE_WRITE_DELAY");
 612                                 if (env != nullptr) {
 613                                         int delay = std::atoi(env);
 614                                         // To avoid undefined behavior by out-of-range input(atoi), set max delay value to 100.
 615                                         if (delay > 0) {
 616                                                 if (delay > MAX_DELAY_SEC) delay = MAX_DELAY_SEC;
 617                                                 stopProfileAfterDelay(delay);
 618                                         }
 619                                 }
 620                                 _INFO("MCJ recording start for %s", appId);
 621                         }
 622                 }
 623                 free(localDataPath);
 624         }
 625
 626         if (exist(__pm->getAppRootPath() + "/bin/" + DISABLE_IPV6_FILE)) {
 627                 setSwitch("System.Net.DisableIPv6", true);
 628         }
 629
 630         setSwitch("Switch.System.Diagnostics.StackTrace.ShowILOffsets", true);
 631
 632         pluginBeforeExecute();
 633
 634         _INFO("execute assembly : %s", path);
 635
 636         unsigned int ret = 0;
 637         int st = executeAssembly(__hostHandle, __domainId, argc, (const char**)argv, path, &ret);
 638         if (st < 0)
 639                 _ERR("Failed to Execute Assembly %s (0x%08x)", path, st);
 640         return ret;
 641 }
 642
 643 }  // namespace dotnetcore
 644 }  // namespace runtime
 645 }  // namespace tizen