1 // Copyright Joyent, Inc. and other Node contributors.
3 // Permission is hereby granted, free of charge, to any person obtaining a
4 // copy of this software and associated documentation files (the
5 // "Software"), to deal in the Software without restriction, including
6 // without limitation the rights to use, copy, modify, merge, publish,
7 // distribute, sublicense, and/or sell copies of the Software, and to permit
8 // persons to whom the Software is furnished to do so, subject to the
9 // following conditions:
11 // The above copyright notice and this permission notice shall be included
12 // in all copies or substantial portions of the Software.
14 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15 // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
16 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
17 // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
18 // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
19 // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
20 // USE OR OTHER DEALINGS IN THE SOFTWARE.
23 #include "node_buffer.h"
24 #include "node_constants.h"
25 #include "node_file.h"
26 #include "node_http_parser.h"
27 #include "node_javascript.h"
28 #include "node_version.h"
30 #if defined HAVE_PERFCTR
31 #include "node_counters.h"
35 #include "node_crypto.h"
38 #if defined HAVE_DTRACE || defined HAVE_ETW || defined HAVE_SYSTEMTAP
39 #include "node_dtrace.h"
43 #include "node_provider.h"
49 #include "handle_wrap.h"
51 #include "string_bytes.h"
58 #include <limits.h> // PATH_MAX
64 #include <sys/types.h>
70 #define strcasecmp _stricmp
71 #define getpid _getpid
75 #include <unistd.h> // setuid, getuid
78 #if defined(__POSIX__) && !defined(__ANDROID__)
79 #include <pwd.h> // getpwnam()
80 #include <grp.h> // getgrnam()
84 #include <crt_externs.h>
85 #define environ (*_NSGetEnviron())
86 #elif !defined(_MSC_VER)
87 extern char **environ;
93 using v8::ArrayBuffer;
98 using v8::FunctionCallbackInfo;
99 using v8::FunctionTemplate;
101 using v8::HandleScope;
102 using v8::HeapStatistics;
110 using v8::ObjectTemplate;
111 using v8::PropertyCallbackInfo;
113 using v8::ThrowException;
118 using v8::kExternalUnsignedIntArray;
120 // FIXME(bnoordhuis) Make these per-context?
121 QUEUE handle_wrap_queue = { &handle_wrap_queue, &handle_wrap_queue };
122 QUEUE req_wrap_queue = { &req_wrap_queue, &req_wrap_queue };
124 static bool print_eval = false;
125 static bool force_repl = false;
126 static bool trace_deprecation = false;
127 static bool throw_deprecation = false;
128 static const char* eval_string = NULL;
129 static bool use_debug_agent = false;
130 static bool debug_wait_connect = false;
131 static int debug_port = 5858;
133 // used by C++ modules as well
134 bool no_deprecation = false;
136 // process-relative uptime base, initialized at start-up
137 static double prog_start_time;
139 static volatile bool debugger_running = false;
140 static uv_async_t dispatch_debug_messages_async;
141 static uv_async_t emit_debug_enabled_async;
143 // Declared in node_internals.h
144 Isolate* node_isolate = NULL;
147 class ArrayBufferAllocator : public ArrayBuffer::Allocator {
149 // Impose an upper limit to avoid out of memory errors that bring down
151 static const size_t kMaxLength = 0x3fffffff;
152 static ArrayBufferAllocator the_singleton;
153 virtual ~ArrayBufferAllocator() {}
154 virtual void* Allocate(size_t length);
155 virtual void Free(void* data);
157 ArrayBufferAllocator() {}
158 ArrayBufferAllocator(const ArrayBufferAllocator&);
159 void operator=(const ArrayBufferAllocator&);
162 ArrayBufferAllocator ArrayBufferAllocator::the_singleton;
165 void* ArrayBufferAllocator::Allocate(size_t length) {
166 if (length > kMaxLength) return NULL;
167 return new char[length];
171 void ArrayBufferAllocator::Free(void* data) {
172 delete[] static_cast<char*>(data);
176 static void CheckImmediate(uv_check_t* handle, int status) {
177 Environment* env = Environment::from_immediate_check_handle(handle);
178 Context::Scope context_scope(env->context());
179 MakeCallback(env, env->process_object(), env->immediate_callback_string());
183 static void IdleImmediateDummy(uv_idle_t*, int) {
184 // Do nothing. Only for maintaining event loop.
185 // TODO(bnoordhuis) Maybe make libuv accept NULL idle callbacks.
189 static inline const char *errno_string(int errorno) {
190 #define ERRNO_CASE(e) case e: return #e;
197 ERRNO_CASE(EADDRINUSE);
201 ERRNO_CASE(EADDRNOTAVAIL);
205 ERRNO_CASE(EAFNOSUPPORT);
213 # if EAGAIN != EWOULDBLOCK
214 ERRNO_CASE(EWOULDBLOCK);
219 ERRNO_CASE(EALREADY);
235 ERRNO_CASE(ECANCELED);
243 ERRNO_CASE(ECONNABORTED);
247 ERRNO_CASE(ECONNREFUSED);
251 ERRNO_CASE(ECONNRESET);
259 ERRNO_CASE(EDESTADDRREQ);
283 ERRNO_CASE(EHOSTUNREACH);
295 ERRNO_CASE(EINPROGRESS);
331 ERRNO_CASE(EMSGSIZE);
335 ERRNO_CASE(EMULTIHOP);
339 ERRNO_CASE(ENAMETOOLONG);
343 ERRNO_CASE(ENETDOWN);
347 ERRNO_CASE(ENETRESET);
351 ERRNO_CASE(ENETUNREACH);
383 # if ENOLINK != ENOLCK
397 ERRNO_CASE(ENOPROTOOPT);
417 ERRNO_CASE(ENOTCONN);
425 ERRNO_CASE(ENOTEMPTY);
429 ERRNO_CASE(ENOTSOCK);
436 ERRNO_CASE(EOPNOTSUPP);
450 ERRNO_CASE(EOVERFLOW);
465 #ifdef EPROTONOSUPPORT
466 ERRNO_CASE(EPROTONOSUPPORT);
470 ERRNO_CASE(EPROTOTYPE);
498 ERRNO_CASE(ETIMEDOUT);
513 const char *signo_string(int signo) {
514 #define SIGNO_CASE(e) case e: return #e;
541 # if SIGABRT != SIGIOT
585 SIGNO_CASE(SIGSTKFLT);
602 SIGNO_CASE(SIGBREAK);
626 SIGNO_CASE(SIGVTALRM);
634 SIGNO_CASE(SIGWINCH);
642 # if SIGPOLL != SIGIO
652 # if SIGPWR != SIGLOST
666 Local<Value> ErrnoException(int errorno,
670 Environment* env = Environment::GetCurrent(node_isolate);
673 Local<String> estring = OneByteString(node_isolate, errno_string(errorno));
674 if (msg == NULL || msg[0] == '\0') {
675 msg = strerror(errorno);
677 Local<String> message = OneByteString(node_isolate, msg);
679 Local<String> cons1 =
680 String::Concat(estring, FIXED_ONE_BYTE_STRING(node_isolate, ", "));
681 Local<String> cons2 = String::Concat(cons1, message);
684 Local<String> cons3 =
685 String::Concat(cons2, FIXED_ONE_BYTE_STRING(node_isolate, " '"));
686 Local<String> cons4 =
687 String::Concat(cons3, String::NewFromUtf8(node_isolate, path));
688 Local<String> cons5 =
689 String::Concat(cons4, FIXED_ONE_BYTE_STRING(node_isolate, "'"));
690 e = Exception::Error(cons5);
692 e = Exception::Error(cons2);
695 Local<Object> obj = e->ToObject();
696 obj->Set(env->errno_string(), Integer::New(errorno, node_isolate));
697 obj->Set(env->code_string(), estring);
700 obj->Set(env->path_string(), String::NewFromUtf8(node_isolate, path));
703 if (syscall != NULL) {
704 obj->Set(env->syscall_string(), OneByteString(node_isolate, syscall));
711 // hack alert! copy of ErrnoException, tuned for uv errors
712 Local<Value> UVException(int errorno,
716 Environment* env = Environment::GetCurrent(node_isolate);
719 msg = uv_strerror(errorno);
721 Local<String> estring = OneByteString(node_isolate, uv_err_name(errorno));
722 Local<String> message = OneByteString(node_isolate, msg);
723 Local<String> cons1 =
724 String::Concat(estring, FIXED_ONE_BYTE_STRING(node_isolate, ", "));
725 Local<String> cons2 = String::Concat(cons1, message);
729 Local<String> path_str;
733 if (strncmp(path, "\\\\?\\UNC\\", 8) == 0) {
734 path_str = String::Concat(FIXED_ONE_BYTE_STRING(node_isolate, "\\\\"),
735 String::NewFromUtf8(node_isolate, path + 8));
736 } else if (strncmp(path, "\\\\?\\", 4) == 0) {
737 path_str = String::NewFromUtf8(node_isolate, path + 4);
739 path_str = String::NewFromUtf8(node_isolate, path);
742 path_str = String::NewFromUtf8(node_isolate, path);
745 Local<String> cons3 =
746 String::Concat(cons2, FIXED_ONE_BYTE_STRING(node_isolate, " '"));
747 Local<String> cons4 =
748 String::Concat(cons3, path_str);
749 Local<String> cons5 =
750 String::Concat(cons4, FIXED_ONE_BYTE_STRING(node_isolate, "'"));
751 e = Exception::Error(cons5);
753 e = Exception::Error(cons2);
756 Local<Object> obj = e->ToObject();
757 // TODO(piscisaureus) errno should probably go
758 obj->Set(env->errno_string(), Integer::New(errorno, node_isolate));
759 obj->Set(env->code_string(), estring);
762 obj->Set(env->path_string(), path_str);
765 if (syscall != NULL) {
766 obj->Set(env->syscall_string(), OneByteString(node_isolate, syscall));
774 // Does about the same as strerror(),
775 // but supports all windows error messages
776 static const char *winapi_strerror(const int errorno) {
779 FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM |
780 FORMAT_MESSAGE_IGNORE_INSERTS, NULL, errorno,
781 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPTSTR)&errmsg, 0, NULL);
784 // Remove trailing newlines
785 for (int i = strlen(errmsg) - 1;
786 i >= 0 && (errmsg[i] == '\n' || errmsg[i] == '\r'); i--) {
792 // FormatMessage failed
793 return "Unknown error";
798 Local<Value> WinapiErrnoException(int errorno,
802 Environment* env = Environment::GetCurrent(node_isolate);
805 if (!msg || !msg[0]) {
806 msg = winapi_strerror(errorno);
808 Local<String> message = OneByteString(node_isolate, msg);
811 Local<String> cons1 =
812 String::Concat(message, FIXED_ONE_BYTE_STRING(node_isolate, " '"));
813 Local<String> cons2 =
814 String::Concat(cons1, String::NewFromUtf8(node_isolate, path));
815 Local<String> cons3 =
816 String::Concat(cons2, FIXED_ONE_BYTE_STRING(node_isolate, "'"));
817 e = Exception::Error(cons3);
819 e = Exception::Error(message);
822 Local<Object> obj = e->ToObject();
823 obj->Set(env->errno_string(), Integer::New(errorno, node_isolate));
826 obj->Set(env->path_string(), String::NewFromUtf8(node_isolate, path));
829 if (syscall != NULL) {
830 obj->Set(env->syscall_string(), OneByteString(node_isolate, syscall));
838 void SetupDomainUse(const FunctionCallbackInfo<Value>& args) {
839 Environment* env = Environment::GetCurrent(args.GetIsolate());
841 if (env->using_domains()) return;
842 env->set_using_domains(true);
844 HandleScope scope(node_isolate);
845 Local<Object> process_object = env->process_object();
847 Local<String> tick_callback_function_key =
848 FIXED_ONE_BYTE_STRING(node_isolate, "_tickDomainCallback");
849 Local<Function> tick_callback_function =
850 process_object->Get(tick_callback_function_key).As<Function>();
852 if (!tick_callback_function->IsFunction()) {
853 fprintf(stderr, "process._tickDomainCallback assigned to non-function\n");
857 process_object->Set(FIXED_ONE_BYTE_STRING(node_isolate, "_tickCallback"),
858 tick_callback_function);
859 env->set_tick_callback_function(tick_callback_function);
861 if (!args[0]->IsArray()) {
862 fprintf(stderr, "_setupDomainUse first argument must be an array\n");
865 env->set_domain_array(args[0].As<Array>());
867 if (!args[1]->IsObject()) {
868 fprintf(stderr, "_setupDomainUse second argument must be an object\n");
872 Local<Object> domain_flag_obj = args[1].As<Object>();
873 Environment::DomainFlag* domain_flag = env->domain_flag();
874 domain_flag_obj->SetIndexedPropertiesToExternalArrayData(
875 domain_flag->fields(),
876 kExternalUnsignedIntArray,
877 domain_flag->fields_count());
881 Handle<Value> MakeDomainCallback(Environment* env,
882 const Handle<Object> object,
883 const Handle<Function> callback,
885 Handle<Value> argv[]) {
886 // If you hit this assertion, you forgot to enter the v8::Context first.
887 assert(env->context() == env->isolate()->GetCurrentContext());
889 // TODO(trevnorris) Hook for long stack traces to be made here.
891 Local<Value> domain_v = object->Get(env->domain_string());
892 Local<Object> domain;
895 try_catch.SetVerbose(true);
897 bool has_domain = domain_v->IsObject();
899 domain = domain_v.As<Object>();
901 if (domain->Get(env->disposed_string())->IsTrue()) {
902 // domain has been disposed of.
903 return Undefined(node_isolate);
906 Local<Function> enter =
907 domain->Get(env->enter_string()).As<Function>();
908 assert(enter->IsFunction());
909 enter->Call(domain, 0, NULL);
911 if (try_catch.HasCaught()) {
912 return Undefined(node_isolate);
916 Local<Value> ret = callback->Call(object, argc, argv);
918 if (try_catch.HasCaught()) {
919 return Undefined(node_isolate);
923 Local<Function> exit =
924 domain->Get(env->exit_string()).As<Function>();
925 assert(exit->IsFunction());
926 exit->Call(domain, 0, NULL);
928 if (try_catch.HasCaught()) {
929 return Undefined(node_isolate);
933 Environment::TickInfo* tick_info = env->tick_info();
935 if (tick_info->last_threw() == 1) {
936 tick_info->set_last_threw(0);
940 if (tick_info->in_tick() == 1) {
944 if (tick_info->length() == 0) {
945 tick_info->set_index(0);
949 // process nextTicks after call
950 Local<Object> process_object = env->process_object();
951 Local<Function> tick_callback_function = env->tick_callback_function();
952 tick_callback_function->Call(process_object, 0, NULL);
954 if (try_catch.HasCaught()) {
955 return Undefined(node_isolate);
962 Handle<Value> MakeCallback(Environment* env,
963 const Handle<Object> object,
964 const Handle<Function> callback,
966 Handle<Value> argv[]) {
967 // If you hit this assertion, you forgot to enter the v8::Context first.
968 assert(env->context() == env->isolate()->GetCurrentContext());
970 // TODO(trevnorris) Hook for long stack traces to be made here.
971 Local<Object> process_object = env->process_object();
973 if (env->using_domains())
974 return MakeDomainCallback(env, object, callback, argc, argv);
977 try_catch.SetVerbose(true);
979 Local<Value> ret = callback->Call(object, argc, argv);
981 if (try_catch.HasCaught()) {
982 return Undefined(node_isolate);
985 Environment::TickInfo* tick_info = env->tick_info();
987 if (tick_info->in_tick() == 1) {
991 if (tick_info->length() == 0) {
992 tick_info->set_index(0);
996 // lazy load no domain next tick callbacks
997 Local<Function> tick_callback_function = env->tick_callback_function();
998 if (tick_callback_function.IsEmpty()) {
999 Local<String> tick_callback_function_key =
1000 FIXED_ONE_BYTE_STRING(node_isolate, "_tickCallback");
1001 tick_callback_function =
1002 process_object->Get(tick_callback_function_key).As<Function>();
1003 if (!tick_callback_function->IsFunction()) {
1004 fprintf(stderr, "process._tickCallback assigned to non-function\n");
1007 env->set_tick_callback_function(tick_callback_function);
1010 // process nextTicks after call
1011 tick_callback_function->Call(process_object, 0, NULL);
1013 if (try_catch.HasCaught()) {
1014 return Undefined(node_isolate);
1022 Handle<Value> MakeCallback(Environment* env,
1023 const Handle<Object> object,
1026 Handle<Value> argv[]) {
1027 // If you hit this assertion, you forgot to enter the v8::Context first.
1028 assert(env->context() == env->isolate()->GetCurrentContext());
1030 Local<Function> callback = object->Get(index).As<Function>();
1031 assert(callback->IsFunction());
1033 if (env->using_domains()) {
1034 return MakeDomainCallback(env, object, callback, argc, argv);
1037 return MakeCallback(env, object, callback, argc, argv);
1041 Handle<Value> MakeCallback(Environment* env,
1042 const Handle<Object> object,
1043 const Handle<String> symbol,
1045 Handle<Value> argv[]) {
1046 // If you hit this assertion, you forgot to enter the v8::Context first.
1047 assert(env->context() == env->isolate()->GetCurrentContext());
1049 Local<Function> callback = object->Get(symbol).As<Function>();
1050 assert(callback->IsFunction());
1052 if (env->using_domains()) {
1053 return MakeDomainCallback(env, object, callback, argc, argv);
1056 return MakeCallback(env, object, callback, argc, argv);
1060 Handle<Value> MakeCallback(Environment* env,
1061 const Handle<Object> object,
1064 Handle<Value> argv[]) {
1065 // If you hit this assertion, you forgot to enter the v8::Context first.
1066 assert(env->context() == env->isolate()->GetCurrentContext());
1067 Local<String> method_string = OneByteString(node_isolate, method);
1068 return MakeCallback(env, object, method_string, argc, argv);
1072 Handle<Value> MakeCallback(const Handle<Object> object,
1075 Handle<Value> argv[]) {
1076 Local<Context> context = object->CreationContext();
1077 Environment* env = Environment::GetCurrent(context);
1078 Context::Scope context_scope(context);
1079 HandleScope handle_scope(env->isolate());
1080 return handle_scope.Close(MakeCallback(env, object, method, argc, argv));
1084 Handle<Value> MakeCallback(const Handle<Object> object,
1085 const Handle<String> symbol,
1087 Handle<Value> argv[]) {
1088 Local<Context> context = object->CreationContext();
1089 Environment* env = Environment::GetCurrent(context);
1090 Context::Scope context_scope(context);
1091 HandleScope handle_scope(env->isolate());
1092 return handle_scope.Close(MakeCallback(env, object, symbol, argc, argv));
1096 Handle<Value> MakeCallback(const Handle<Object> object,
1097 const Handle<Function> callback,
1099 Handle<Value> argv[]) {
1100 Local<Context> context = object->CreationContext();
1101 Environment* env = Environment::GetCurrent(context);
1102 Context::Scope context_scope(context);
1103 HandleScope handle_scope(env->isolate());
1104 return handle_scope.Close(MakeCallback(env, object, callback, argc, argv));
1108 Handle<Value> MakeDomainCallback(const Handle<Object> object,
1109 const Handle<Function> callback,
1111 Handle<Value> argv[]) {
1112 Local<Context> context = object->CreationContext();
1113 Environment* env = Environment::GetCurrent(context);
1114 Context::Scope context_scope(context);
1115 HandleScope handle_scope(env->isolate());
1116 return handle_scope.Close(
1117 MakeDomainCallback(env, object, callback, argc, argv));
1121 enum encoding ParseEncoding(Handle<Value> encoding_v, enum encoding _default) {
1122 HandleScope scope(node_isolate);
1124 if (!encoding_v->IsString()) return _default;
1126 String::Utf8Value encoding(encoding_v);
1128 if (strcasecmp(*encoding, "utf8") == 0) {
1130 } else if (strcasecmp(*encoding, "utf-8") == 0) {
1132 } else if (strcasecmp(*encoding, "ascii") == 0) {
1134 } else if (strcasecmp(*encoding, "base64") == 0) {
1136 } else if (strcasecmp(*encoding, "ucs2") == 0) {
1138 } else if (strcasecmp(*encoding, "ucs-2") == 0) {
1140 } else if (strcasecmp(*encoding, "utf16le") == 0) {
1142 } else if (strcasecmp(*encoding, "utf-16le") == 0) {
1144 } else if (strcasecmp(*encoding, "binary") == 0) {
1146 } else if (strcasecmp(*encoding, "buffer") == 0) {
1148 } else if (strcasecmp(*encoding, "hex") == 0) {
1150 } else if (strcasecmp(*encoding, "raw") == 0) {
1151 if (!no_deprecation) {
1152 fprintf(stderr, "'raw' (array of integers) has been removed. "
1156 } else if (strcasecmp(*encoding, "raws") == 0) {
1157 if (!no_deprecation) {
1158 fprintf(stderr, "'raws' encoding has been renamed to 'binary'. "
1159 "Please update your code.\n");
1167 Local<Value> Encode(const void *buf, size_t len, enum encoding encoding) {
1168 return StringBytes::Encode(static_cast<const char*>(buf),
1173 // Returns -1 if the handle was not valid for decoding
1174 ssize_t DecodeBytes(v8::Handle<v8::Value> val, enum encoding encoding) {
1175 HandleScope scope(node_isolate);
1177 if (val->IsArray()) {
1178 fprintf(stderr, "'raw' encoding (array of integers) has been removed. "
1184 return StringBytes::Size(val, encoding);
1188 # define MIN(a, b) ((a) < (b) ? (a) : (b))
1191 // Returns number of bytes written.
1192 ssize_t DecodeWrite(char *buf,
1194 v8::Handle<v8::Value> val,
1195 enum encoding encoding) {
1196 return StringBytes::Write(buf, buflen, val, encoding, NULL);
1199 void DisplayExceptionLine(Handle<Message> message) {
1200 // Prevent re-entry into this function. For example, if there is
1201 // a throw from a program in vm.runInThisContext(code, filename, true),
1202 // then we want to show the original failure, not the secondary one.
1203 static bool displayed_error = false;
1205 if (displayed_error) return;
1206 displayed_error = true;
1208 uv_tty_reset_mode();
1210 fprintf(stderr, "\n");
1212 if (!message.IsEmpty()) {
1213 // Print (filename):(line number): (message).
1214 String::Utf8Value filename(message->GetScriptResourceName());
1215 const char* filename_string = *filename;
1216 int linenum = message->GetLineNumber();
1217 fprintf(stderr, "%s:%i\n", filename_string, linenum);
1218 // Print line of source code.
1219 String::Utf8Value sourceline(message->GetSourceLine());
1220 const char* sourceline_string = *sourceline;
1222 // Because of how node modules work, all scripts are wrapped with a
1223 // "function (module, exports, __filename, ...) {"
1224 // to provide script local variables.
1226 // When reporting errors on the first line of a script, this wrapper
1227 // function is leaked to the user. There used to be a hack here to
1228 // truncate off the first 62 characters, but it caused numerous other
1229 // problems when vm.runIn*Context() methods were used for non-module
1232 // If we ever decide to re-instate such a hack, the following steps
1235 // 1. Pass a flag around to say "this code was wrapped"
1236 // 2. Update the stack frame output so that it is also correct.
1238 // It would probably be simpler to add a line rather than add some
1239 // number of characters to the first line, since V8 truncates the
1240 // sourceline to 78 characters, and we end up not providing very much
1241 // useful debugging info to the user if we remove 62 characters.
1243 int start = message->GetStartColumn();
1244 int end = message->GetEndColumn();
1246 fprintf(stderr, "%s\n", sourceline_string);
1247 // Print wavy underline (GetUnderline is deprecated).
1248 for (int i = 0; i < start; i++) {
1249 fputc((sourceline_string[i] == '\t') ? '\t' : ' ', stderr);
1251 for (int i = start; i < end; i++) {
1254 fputc('\n', stderr);
1259 static void ReportException(Handle<Value> er, Handle<Message> message) {
1260 HandleScope scope(node_isolate);
1262 DisplayExceptionLine(message);
1264 Local<Value> trace_value(
1265 er->ToObject()->Get(FIXED_ONE_BYTE_STRING(node_isolate, "stack")));
1266 String::Utf8Value trace(trace_value);
1268 // range errors have a trace member set to undefined
1269 if (trace.length() > 0 && !trace_value->IsUndefined()) {
1270 fprintf(stderr, "%s\n", *trace);
1272 // this really only happens for RangeErrors, since they're the only
1273 // kind that won't have all this info in the trace, or when non-Error
1274 // objects are thrown manually.
1275 Local<Value> message;
1278 if (er->IsObject()) {
1279 Local<Object> err_obj = er.As<Object>();
1280 message = err_obj->Get(FIXED_ONE_BYTE_STRING(node_isolate, "message"));
1281 name = err_obj->Get(FIXED_ONE_BYTE_STRING(node_isolate, "name"));
1284 if (message.IsEmpty() ||
1285 message->IsUndefined() ||
1287 name->IsUndefined()) {
1288 // Not an error object. Just print as-is.
1289 String::Utf8Value message(er);
1290 fprintf(stderr, "%s\n", *message);
1292 String::Utf8Value name_string(name);
1293 String::Utf8Value message_string(message);
1294 fprintf(stderr, "%s: %s\n", *name_string, *message_string);
1302 static void ReportException(const TryCatch& try_catch) {
1303 ReportException(try_catch.Exception(), try_catch.Message());
1307 // Executes a str within the current v8 context.
1308 Local<Value> ExecuteString(Handle<String> source, Handle<Value> filename) {
1309 HandleScope scope(node_isolate);
1312 // try_catch must be nonverbose to disable FatalException() handler,
1313 // we will handle exceptions ourself.
1314 try_catch.SetVerbose(false);
1316 Local<v8::Script> script = v8::Script::Compile(source, filename);
1317 if (script.IsEmpty()) {
1318 ReportException(try_catch);
1322 Local<Value> result = script->Run();
1323 if (result.IsEmpty()) {
1324 ReportException(try_catch);
1328 return scope.Close(result);
1332 static void GetActiveRequests(const FunctionCallbackInfo<Value>& args) {
1333 HandleScope scope(node_isolate);
1335 Local<Array> ary = Array::New();
1339 QUEUE_FOREACH(q, &req_wrap_queue) {
1340 ReqWrap<uv_req_t>* w = container_of(q, ReqWrap<uv_req_t>, req_wrap_queue_);
1341 if (w->persistent().IsEmpty()) continue;
1342 ary->Set(i++, w->object());
1345 args.GetReturnValue().Set(ary);
1349 // Non-static, friend of HandleWrap. Could have been a HandleWrap method but
1350 // implemented here for consistency with GetActiveRequests().
1351 void GetActiveHandles(const FunctionCallbackInfo<Value>& args) {
1352 HandleScope scope(node_isolate);
1354 Local<Array> ary = Array::New();
1358 Local<String> owner_sym = FIXED_ONE_BYTE_STRING(node_isolate, "owner");
1360 QUEUE_FOREACH(q, &handle_wrap_queue) {
1361 HandleWrap* w = container_of(q, HandleWrap, handle_wrap_queue_);
1362 if (w->persistent().IsEmpty() || (w->flags_ & HandleWrap::kUnref)) continue;
1363 Local<Object> object = w->object();
1364 Local<Value> owner = object->Get(owner_sym);
1365 if (owner->IsUndefined()) owner = object;
1366 ary->Set(i++, owner);
1369 args.GetReturnValue().Set(ary);
1373 static void Abort(const FunctionCallbackInfo<Value>& args) {
1378 static void Chdir(const FunctionCallbackInfo<Value>& args) {
1379 HandleScope scope(node_isolate);
1381 if (args.Length() != 1 || !args[0]->IsString()) {
1382 return ThrowError("Bad argument."); // FIXME(bnoordhuis) ThrowTypeError?
1385 String::Utf8Value path(args[0]);
1386 int err = uv_chdir(*path);
1388 return ThrowUVException(err, "uv_chdir");
1393 static void Cwd(const FunctionCallbackInfo<Value>& args) {
1394 HandleScope scope(node_isolate);
1396 /* MAX_PATH is in characters, not bytes. Make sure we have enough headroom. */
1397 char buf[MAX_PATH * 4 + 1];
1399 char buf[PATH_MAX + 1];
1402 int err = uv_cwd(buf, ARRAY_SIZE(buf) - 1);
1404 return ThrowUVException(err, "uv_cwd");
1407 buf[ARRAY_SIZE(buf) - 1] = '\0';
1408 Local<String> cwd = String::NewFromUtf8(node_isolate, buf);
1410 args.GetReturnValue().Set(cwd);
1414 static void Umask(const FunctionCallbackInfo<Value>& args) {
1415 HandleScope scope(node_isolate);
1418 if (args.Length() < 1 || args[0]->IsUndefined()) {
1420 umask(static_cast<mode_t>(old));
1421 } else if (!args[0]->IsInt32() && !args[0]->IsString()) {
1422 return ThrowTypeError("argument must be an integer or octal string.");
1425 if (args[0]->IsInt32()) {
1426 oct = args[0]->Uint32Value();
1429 String::Utf8Value str(args[0]);
1431 // Parse the octal string.
1432 for (int i = 0; i < str.length(); i++) {
1434 if (c > '7' || c < '0') {
1435 return ThrowTypeError("invalid octal string");
1441 old = umask(static_cast<mode_t>(oct));
1444 args.GetReturnValue().Set(old);
1448 #if defined(__POSIX__) && !defined(__ANDROID__)
1450 static const uid_t uid_not_found = static_cast<uid_t>(-1);
1451 static const gid_t gid_not_found = static_cast<gid_t>(-1);
1454 static uid_t uid_by_name(const char* name) {
1462 if (getpwnam_r(name, &pwd, buf, sizeof(buf), &pp) == 0 && pp != NULL) {
1466 return uid_not_found;
1470 static char* name_by_uid(uid_t uid) {
1479 if ((rc = getpwuid_r(uid, &pwd, buf, sizeof(buf), &pp)) == 0 && pp != NULL) {
1480 return strdup(pp->pw_name);
1491 static gid_t gid_by_name(const char* name) {
1499 if (getgrnam_r(name, &pwd, buf, sizeof(buf), &pp) == 0 && pp != NULL) {
1503 return gid_not_found;
1507 #if 0 // For future use.
1508 static const char* name_by_gid(gid_t gid) {
1517 if ((rc = getgrgid_r(gid, &pwd, buf, sizeof(buf), &pp)) == 0 && pp != NULL) {
1518 return strdup(pp->gr_name);
1530 static uid_t uid_by_name(Handle<Value> value) {
1531 if (value->IsUint32()) {
1532 return static_cast<uid_t>(value->Uint32Value());
1534 String::Utf8Value name(value);
1535 return uid_by_name(*name);
1540 static gid_t gid_by_name(Handle<Value> value) {
1541 if (value->IsUint32()) {
1542 return static_cast<gid_t>(value->Uint32Value());
1544 String::Utf8Value name(value);
1545 return gid_by_name(*name);
1550 static void GetUid(const FunctionCallbackInfo<Value>& args) {
1551 // uid_t is an uint32_t on all supported platforms.
1552 args.GetReturnValue().Set(static_cast<uint32_t>(getuid()));
1556 static void GetGid(const FunctionCallbackInfo<Value>& args) {
1557 // gid_t is an uint32_t on all supported platforms.
1558 args.GetReturnValue().Set(static_cast<uint32_t>(getgid()));
1562 static void SetGid(const FunctionCallbackInfo<Value>& args) {
1563 HandleScope scope(node_isolate);
1565 if (!args[0]->IsUint32() && !args[0]->IsString()) {
1566 return ThrowTypeError("setgid argument must be a number or a string");
1569 gid_t gid = gid_by_name(args[0]);
1571 if (gid == gid_not_found) {
1572 return ThrowError("setgid group id does not exist");
1576 return ThrowErrnoException(errno, "setgid");
1581 static void SetUid(const FunctionCallbackInfo<Value>& args) {
1582 HandleScope scope(node_isolate);
1584 if (!args[0]->IsUint32() && !args[0]->IsString()) {
1585 return ThrowTypeError("setuid argument must be a number or a string");
1588 uid_t uid = uid_by_name(args[0]);
1590 if (uid == uid_not_found) {
1591 return ThrowError("setuid user id does not exist");
1595 return ThrowErrnoException(errno, "setuid");
1600 static void GetGroups(const FunctionCallbackInfo<Value>& args) {
1601 HandleScope scope(node_isolate);
1603 int ngroups = getgroups(0, NULL);
1605 if (ngroups == -1) {
1606 return ThrowErrnoException(errno, "getgroups");
1609 gid_t* groups = new gid_t[ngroups];
1611 ngroups = getgroups(ngroups, groups);
1613 if (ngroups == -1) {
1615 return ThrowErrnoException(errno, "getgroups");
1618 Local<Array> groups_list = Array::New(ngroups);
1619 bool seen_egid = false;
1620 gid_t egid = getegid();
1622 for (int i = 0; i < ngroups; i++) {
1623 groups_list->Set(i, Integer::New(groups[i], node_isolate));
1624 if (groups[i] == egid) seen_egid = true;
1629 if (seen_egid == false) {
1630 groups_list->Set(ngroups, Integer::New(egid, node_isolate));
1633 args.GetReturnValue().Set(groups_list);
1637 static void SetGroups(const FunctionCallbackInfo<Value>& args) {
1638 HandleScope scope(node_isolate);
1640 if (!args[0]->IsArray()) {
1641 return ThrowTypeError("argument 1 must be an array");
1644 Local<Array> groups_list = args[0].As<Array>();
1645 size_t size = groups_list->Length();
1646 gid_t* groups = new gid_t[size];
1648 for (size_t i = 0; i < size; i++) {
1649 gid_t gid = gid_by_name(groups_list->Get(i));
1651 if (gid == gid_not_found) {
1653 return ThrowError("group name not found");
1659 int rc = setgroups(size, groups);
1663 return ThrowErrnoException(errno, "setgroups");
1668 static void InitGroups(const FunctionCallbackInfo<Value>& args) {
1669 HandleScope scope(node_isolate);
1671 if (!args[0]->IsUint32() && !args[0]->IsString()) {
1672 return ThrowTypeError("argument 1 must be a number or a string");
1675 if (!args[1]->IsUint32() && !args[1]->IsString()) {
1676 return ThrowTypeError("argument 2 must be a number or a string");
1679 String::Utf8Value arg0(args[0]);
1684 if (args[0]->IsUint32()) {
1685 user = name_by_uid(args[0]->Uint32Value());
1693 return ThrowError("initgroups user not found");
1696 extra_group = gid_by_name(args[1]);
1698 if (extra_group == gid_not_found) {
1699 if (must_free) free(user);
1700 return ThrowError("initgroups extra group not found");
1703 int rc = initgroups(user, extra_group);
1710 return ThrowErrnoException(errno, "initgroups");
1714 #endif // __POSIX__ && !defined(__ANDROID__)
1717 void Exit(const FunctionCallbackInfo<Value>& args) {
1718 HandleScope scope(node_isolate);
1719 exit(args[0]->IntegerValue());
1723 static void Uptime(const FunctionCallbackInfo<Value>& args) {
1724 HandleScope scope(node_isolate);
1726 if (uv_uptime(&uptime)) return;
1727 args.GetReturnValue().Set(uptime - prog_start_time);
1731 void MemoryUsage(const FunctionCallbackInfo<Value>& args) {
1732 Environment* env = Environment::GetCurrent(args.GetIsolate());
1733 HandleScope handle_scope(args.GetIsolate());
1736 int err = uv_resident_set_memory(&rss);
1738 return ThrowUVException(err, "uv_resident_set_memory");
1742 HeapStatistics v8_heap_stats;
1743 node_isolate->GetHeapStatistics(&v8_heap_stats);
1745 Local<Integer> heap_total =
1746 Integer::NewFromUnsigned(v8_heap_stats.total_heap_size(), node_isolate);
1747 Local<Integer> heap_used =
1748 Integer::NewFromUnsigned(v8_heap_stats.used_heap_size(), node_isolate);
1750 Local<Object> info = Object::New();
1751 info->Set(env->rss_string(), Number::New(node_isolate, rss));
1752 info->Set(env->heap_total_string(), heap_total);
1753 info->Set(env->heap_used_string(), heap_used);
1755 args.GetReturnValue().Set(info);
1759 void Kill(const FunctionCallbackInfo<Value>& args) {
1760 HandleScope scope(node_isolate);
1762 if (args.Length() != 2) {
1763 return ThrowError("Bad argument.");
1766 int pid = args[0]->IntegerValue();
1767 int sig = args[1]->Int32Value();
1768 int err = uv_kill(pid, sig);
1769 args.GetReturnValue().Set(err);
1772 // used in Hrtime() below
1773 #define NANOS_PER_SEC 1000000000
1775 // Hrtime exposes libuv's uv_hrtime() high-resolution timer.
1776 // The value returned by uv_hrtime() is a 64-bit int representing nanoseconds,
1777 // so this function instead returns an Array with 2 entries representing seconds
1778 // and nanoseconds, to avoid any integer overflow possibility.
1779 // Pass in an Array from a previous hrtime() call to instead get a time diff.
1780 void Hrtime(const FunctionCallbackInfo<Value>& args) {
1781 HandleScope scope(node_isolate);
1783 uint64_t t = uv_hrtime();
1785 if (args.Length() > 0) {
1786 // return a time diff tuple
1787 if (!args[0]->IsArray()) {
1788 return ThrowTypeError("process.hrtime() only accepts an Array tuple.");
1790 Local<Array> inArray = Local<Array>::Cast(args[0]);
1791 uint64_t seconds = inArray->Get(0)->Uint32Value();
1792 uint64_t nanos = inArray->Get(1)->Uint32Value();
1793 t -= (seconds * NANOS_PER_SEC) + nanos;
1796 Local<Array> tuple = Array::New(2);
1797 tuple->Set(0, Integer::NewFromUnsigned(t / NANOS_PER_SEC, node_isolate));
1798 tuple->Set(1, Integer::NewFromUnsigned(t % NANOS_PER_SEC, node_isolate));
1799 args.GetReturnValue().Set(tuple);
1803 typedef void (UV_DYNAMIC* extInit)(Handle<Object> exports);
1805 // DLOpen is process.dlopen(module, filename).
1806 // Used to load 'module.node' dynamically shared objects.
1808 // FIXME(bnoordhuis) Not multi-context ready. TBD how to resolve the conflict
1809 // when two contexts try to load the same shared object. Maybe have a shadow
1810 // cache that's a plain C list or hash table that's shared across contexts?
1811 void DLOpen(const FunctionCallbackInfo<Value>& args) {
1812 Environment* env = Environment::GetCurrent(args.GetIsolate());
1813 HandleScope handle_scope(args.GetIsolate());
1814 char symbol[1024], *base, *pos;
1818 if (args.Length() < 2) {
1819 return ThrowError("process.dlopen takes exactly 2 arguments.");
1822 Local<Object> module = args[0]->ToObject(); // Cast
1823 String::Utf8Value filename(args[1]); // Cast
1825 Local<String> exports_string = env->exports_string();
1826 Local<Object> exports = module->Get(exports_string)->ToObject();
1828 if (uv_dlopen(*filename, &lib)) {
1829 Local<String> errmsg = OneByteString(env->isolate(), uv_dlerror(&lib));
1831 // Windows needs to add the filename into the error message
1832 errmsg = String::Concat(errmsg, args[1]->ToString());
1834 ThrowException(Exception::Error(errmsg));
1838 String::Utf8Value path(args[1]);
1841 /* Find the shared library filename within the full path. */
1843 pos = strrchr(base, '/');
1849 pos = strpbrk(base, "\\/:");
1857 /* Strip the .node extension. */
1858 pos = strrchr(base, '.');
1863 /* Add the `_module` suffix to the extension name. */
1864 r = snprintf(symbol, sizeof symbol, "%s_module", base);
1865 if (r <= 0 || static_cast<size_t>(r) >= sizeof symbol) {
1866 return ThrowError("Out of memory.");
1869 /* Replace dashes with underscores. When loading foo-bar.node,
1870 * look for foo_bar_module, not foo-bar_module.
1872 for (pos = symbol; *pos != '\0'; ++pos) {
1873 if (*pos == '-') *pos = '_';
1876 node_module_struct *mod;
1877 if (uv_dlsym(&lib, symbol, reinterpret_cast<void**>(&mod))) {
1879 snprintf(errmsg, sizeof(errmsg), "Symbol %s not found.", symbol);
1880 return ThrowError(errmsg);
1883 if (mod->version != NODE_MODULE_VERSION) {
1887 "Module version mismatch. Expected %d, got %d.",
1888 NODE_MODULE_VERSION, mod->version);
1889 return ThrowError(errmsg);
1892 // Execute the C++ module
1893 if (mod->register_context_func != NULL) {
1894 mod->register_context_func(exports, module, env->context());
1895 } else if (mod->register_func != NULL) {
1896 mod->register_func(exports, module);
1898 return ThrowError("Module has no declared entry point.");
1901 // Tell coverity that 'handle' should not be freed when we return.
1902 // coverity[leaked_storage]
1906 static void OnFatalError(const char* location, const char* message) {
1908 fprintf(stderr, "FATAL ERROR: %s %s\n", location, message);
1910 fprintf(stderr, "FATAL ERROR: %s\n", message);
1920 NO_RETURN void FatalError(const char* location, const char* message) {
1921 OnFatalError(location, message);
1922 // to supress compiler warning
1927 void FatalException(Handle<Value> error, Handle<Message> message) {
1928 HandleScope scope(node_isolate);
1930 Environment* env = Environment::GetCurrent(node_isolate);
1931 Local<Object> process_object = env->process_object();
1932 Local<String> fatal_exception_string = env->fatal_exception_string();
1933 Local<Function> fatal_exception_function =
1934 process_object->Get(fatal_exception_string).As<Function>();
1936 if (!fatal_exception_function->IsFunction()) {
1937 // failed before the process._fatalException function was added!
1938 // this is probably pretty bad. Nothing to do but report and exit.
1939 ReportException(error, message);
1943 TryCatch fatal_try_catch;
1945 // Do not call FatalException when _fatalException handler throws
1946 fatal_try_catch.SetVerbose(false);
1948 // this will return true if the JS layer handled it, false otherwise
1949 Local<Value> caught =
1950 fatal_exception_function->Call(process_object, 1, &error);
1952 if (fatal_try_catch.HasCaught()) {
1953 // the fatal exception function threw, so we must exit
1954 ReportException(fatal_try_catch);
1958 if (false == caught->BooleanValue()) {
1959 ReportException(error, message);
1965 void FatalException(const TryCatch& try_catch) {
1966 HandleScope scope(node_isolate);
1967 // TODO(bajtos) do not call FatalException if try_catch is verbose
1968 // (requires V8 API to expose getter for try_catch.is_verbose_)
1969 FatalException(try_catch.Exception(), try_catch.Message());
1973 void OnMessage(Handle<Message> message, Handle<Value> error) {
1974 // The current version of V8 sends messages for errors only
1975 // (thus `error` is always set).
1976 FatalException(error, message);
1980 static void Binding(const FunctionCallbackInfo<Value>& args) {
1981 Environment* env = Environment::GetCurrent(args.GetIsolate());
1982 HandleScope handle_scope(args.GetIsolate());
1984 Local<String> module = args[0]->ToString();
1985 String::Utf8Value module_v(module);
1987 Local<Object> cache = env->binding_cache_object();
1988 Local<Object> exports;
1990 if (cache->Has(module)) {
1991 exports = cache->Get(module)->ToObject();
1992 args.GetReturnValue().Set(exports);
1996 // Append a string to process.moduleLoadList
1998 snprintf(buf, sizeof(buf), "Binding %s", *module_v);
2000 Local<Array> modules = env->module_load_list_array();
2001 uint32_t l = modules->Length();
2002 modules->Set(l, OneByteString(node_isolate, buf));
2004 node_module_struct* mod = get_builtin_module(*module_v);
2006 exports = Object::New();
2007 // Internal bindings don't have a "module" object, only exports.
2008 assert(mod->register_func == NULL);
2009 assert(mod->register_context_func != NULL);
2010 Local<Value> unused = Undefined(env->isolate());
2011 mod->register_context_func(exports, unused, env->context());
2012 cache->Set(module, exports);
2013 } else if (!strcmp(*module_v, "constants")) {
2014 exports = Object::New();
2015 DefineConstants(exports);
2016 cache->Set(module, exports);
2017 } else if (!strcmp(*module_v, "natives")) {
2018 exports = Object::New();
2019 DefineJavaScript(exports);
2020 cache->Set(module, exports);
2022 return ThrowError("No such module");
2025 args.GetReturnValue().Set(exports);
2029 static void ProcessTitleGetter(Local<String> property,
2030 const PropertyCallbackInfo<Value>& info) {
2031 HandleScope scope(node_isolate);
2033 uv_get_process_title(buffer, sizeof(buffer));
2034 info.GetReturnValue().Set(String::NewFromUtf8(node_isolate, buffer));
2038 static void ProcessTitleSetter(Local<String> property,
2040 const PropertyCallbackInfo<void>& info) {
2041 HandleScope scope(node_isolate);
2042 String::Utf8Value title(value);
2043 // TODO(piscisaureus): protect with a lock
2044 uv_set_process_title(*title);
2048 static void EnvGetter(Local<String> property,
2049 const PropertyCallbackInfo<Value>& info) {
2050 HandleScope scope(node_isolate);
2052 String::Utf8Value key(property);
2053 const char* val = getenv(*key);
2055 return info.GetReturnValue().Set(String::NewFromUtf8(node_isolate, val));
2058 String::Value key(property);
2059 WCHAR buffer[32767]; // The maximum size allowed for environment variables.
2060 DWORD result = GetEnvironmentVariableW(reinterpret_cast<WCHAR*>(*key),
2062 ARRAY_SIZE(buffer));
2063 // If result >= sizeof buffer the buffer was too small. That should never
2064 // happen. If result == 0 and result != ERROR_SUCCESS the variable was not
2066 if ((result > 0 || GetLastError() == ERROR_SUCCESS) &&
2067 result < ARRAY_SIZE(buffer)) {
2068 const uint16_t* two_byte_buffer = reinterpret_cast<const uint16_t*>(buffer);
2069 Local<String> rc = String::NewFromTwoByte(node_isolate, two_byte_buffer);
2070 return info.GetReturnValue().Set(rc);
2073 // Not found. Fetch from prototype.
2074 info.GetReturnValue().Set(
2075 info.Data().As<Object>()->Get(property));
2079 static void EnvSetter(Local<String> property,
2081 const PropertyCallbackInfo<Value>& info) {
2082 HandleScope scope(node_isolate);
2084 String::Utf8Value key(property);
2085 String::Utf8Value val(value);
2086 setenv(*key, *val, 1);
2088 String::Value key(property);
2089 String::Value val(value);
2090 WCHAR* key_ptr = reinterpret_cast<WCHAR*>(*key);
2091 // Environment variables that start with '=' are read-only.
2092 if (key_ptr[0] != L'=') {
2093 SetEnvironmentVariableW(key_ptr, reinterpret_cast<WCHAR*>(*val));
2096 // Whether it worked or not, always return rval.
2097 info.GetReturnValue().Set(value);
2101 static void EnvQuery(Local<String> property,
2102 const PropertyCallbackInfo<Integer>& info) {
2103 HandleScope scope(node_isolate);
2104 int32_t rc = -1; // Not found unless proven otherwise.
2106 String::Utf8Value key(property);
2107 if (getenv(*key)) rc = 0;
2109 String::Value key(property);
2110 WCHAR* key_ptr = reinterpret_cast<WCHAR*>(*key);
2111 if (GetEnvironmentVariableW(key_ptr, NULL, 0) > 0 ||
2112 GetLastError() == ERROR_SUCCESS) {
2114 if (key_ptr[0] == L'=') {
2115 // Environment variables that start with '=' are hidden and read-only.
2116 rc = static_cast<int32_t>(v8::ReadOnly) |
2117 static_cast<int32_t>(v8::DontDelete) |
2118 static_cast<int32_t>(v8::DontEnum);
2122 if (rc != -1) info.GetReturnValue().Set(rc);
2126 static void EnvDeleter(Local<String> property,
2127 const PropertyCallbackInfo<Boolean>& info) {
2128 HandleScope scope(node_isolate);
2131 String::Utf8Value key(property);
2132 rc = getenv(*key) != NULL;
2133 if (rc) unsetenv(*key);
2135 String::Value key(property);
2136 WCHAR* key_ptr = reinterpret_cast<WCHAR*>(*key);
2137 if (key_ptr[0] == L'=' || !SetEnvironmentVariableW(key_ptr, NULL)) {
2138 // Deletion failed. Return true if the key wasn't there in the first place,
2139 // false if it is still there.
2140 rc = GetEnvironmentVariableW(key_ptr, NULL, NULL) == 0 &&
2141 GetLastError() != ERROR_SUCCESS;
2144 info.GetReturnValue().Set(rc);
2148 static void EnvEnumerator(const PropertyCallbackInfo<Array>& info) {
2149 HandleScope scope(node_isolate);
2152 while (environ[size]) size++;
2154 Local<Array> env = Array::New(size);
2156 for (int i = 0; i < size; ++i) {
2157 const char* var = environ[i];
2158 const char* s = strchr(var, '=');
2159 const int length = s ? s - var : strlen(var);
2160 Local<String> name = String::NewFromUtf8(node_isolate,
2162 String::kNormalString,
2167 WCHAR* environment = GetEnvironmentStringsW();
2168 if (environment == NULL) return; // This should not happen.
2169 Local<Array> env = Array::New();
2170 WCHAR* p = environment;
2172 while (*p != NULL) {
2175 // If the key starts with '=' it is a hidden environment variable.
2179 s = wcschr(p, L'=');
2184 const uint16_t* two_byte_buffer = reinterpret_cast<const uint16_t*>(p);
2185 const size_t two_byte_buffer_len = s - p;
2186 Local<String> value = String::NewFromTwoByte(node_isolate,
2188 String::kNormalString,
2189 two_byte_buffer_len);
2190 env->Set(i++, value);
2191 p = s + wcslen(s) + 1;
2193 FreeEnvironmentStringsW(environment);
2196 info.GetReturnValue().Set(env);
2200 static Handle<Object> GetFeatures() {
2201 HandleScope scope(node_isolate);
2203 Local<Object> obj = Object::New();
2204 #if defined(DEBUG) && DEBUG
2205 Local<Value> debug = True(node_isolate);
2207 Local<Value> debug = False(node_isolate);
2208 #endif // defined(DEBUG) && DEBUG
2210 obj->Set(FIXED_ONE_BYTE_STRING(node_isolate, "debug"), debug);
2212 obj->Set(FIXED_ONE_BYTE_STRING(node_isolate, "uv"), True(node_isolate));
2213 // TODO(bnoordhuis) ping libuv
2214 obj->Set(FIXED_ONE_BYTE_STRING(node_isolate, "ipv6"), True(node_isolate));
2216 #ifdef OPENSSL_NPN_NEGOTIATED
2217 Local<Boolean> tls_npn = True(node_isolate);
2219 Local<Boolean> tls_npn = False(node_isolate);
2221 obj->Set(FIXED_ONE_BYTE_STRING(node_isolate, "tls_npn"), tls_npn);
2223 #ifdef SSL_CTRL_SET_TLSEXT_SERVERNAME_CB
2224 Local<Boolean> tls_sni = True(node_isolate);
2226 Local<Boolean> tls_sni = False(node_isolate);
2228 obj->Set(FIXED_ONE_BYTE_STRING(node_isolate, "tls_sni"), tls_sni);
2230 obj->Set(FIXED_ONE_BYTE_STRING(node_isolate, "tls"),
2231 Boolean::New(get_builtin_module("crypto") != NULL));
2233 return scope.Close(obj);
2237 static void DebugPortGetter(Local<String> property,
2238 const PropertyCallbackInfo<Value>& info) {
2239 HandleScope scope(node_isolate);
2240 info.GetReturnValue().Set(debug_port);
2244 static void DebugPortSetter(Local<String> property,
2246 const PropertyCallbackInfo<void>& info) {
2247 HandleScope scope(node_isolate);
2248 debug_port = value->NumberValue();
2252 static void DebugProcess(const FunctionCallbackInfo<Value>& args);
2253 static void DebugPause(const FunctionCallbackInfo<Value>& args);
2254 static void DebugEnd(const FunctionCallbackInfo<Value>& args);
2257 void NeedImmediateCallbackGetter(Local<String> property,
2258 const PropertyCallbackInfo<Value>& info) {
2259 Environment* env = Environment::GetCurrent(info.GetIsolate());
2260 const uv_check_t* immediate_check_handle = env->immediate_check_handle();
2261 bool active = uv_is_active(
2262 reinterpret_cast<const uv_handle_t*>(immediate_check_handle));
2263 info.GetReturnValue().Set(active);
2267 static void NeedImmediateCallbackSetter(
2268 Local<String> property,
2270 const PropertyCallbackInfo<void>& info) {
2271 Environment* env = Environment::GetCurrent(info.GetIsolate());
2272 HandleScope handle_scope(info.GetIsolate());
2274 uv_check_t* immediate_check_handle = env->immediate_check_handle();
2275 bool active = uv_is_active(
2276 reinterpret_cast<const uv_handle_t*>(immediate_check_handle));
2278 if (active == value->BooleanValue())
2281 uv_idle_t* immediate_idle_handle = env->immediate_idle_handle();
2284 uv_check_stop(immediate_check_handle);
2285 uv_idle_stop(immediate_idle_handle);
2287 uv_check_start(immediate_check_handle, CheckImmediate);
2288 // Idle handle is needed only to stop the event loop from blocking in poll.
2289 uv_idle_start(immediate_idle_handle, IdleImmediateDummy);
2294 #define READONLY_PROPERTY(obj, str, var) \
2296 obj->Set(OneByteString(node_isolate, str), var, v8::ReadOnly); \
2300 void SetupProcessObject(Environment* env,
2302 const char* const* argv,
2304 const char* const* exec_argv) {
2305 HandleScope scope(node_isolate);
2308 Local<Object> process = env->process_object();
2310 process->SetAccessor(FIXED_ONE_BYTE_STRING(node_isolate, "title"),
2312 ProcessTitleSetter);
2315 READONLY_PROPERTY(process,
2317 FIXED_ONE_BYTE_STRING(node_isolate, NODE_VERSION));
2319 // process.moduleLoadList
2320 READONLY_PROPERTY(process,
2322 env->module_load_list_array());
2325 Local<Object> versions = Object::New();
2326 READONLY_PROPERTY(process, "versions", versions);
2328 const char http_parser_version[] = NODE_STRINGIFY(HTTP_PARSER_VERSION_MAJOR)
2330 NODE_STRINGIFY(HTTP_PARSER_VERSION_MINOR);
2331 READONLY_PROPERTY(versions,
2333 FIXED_ONE_BYTE_STRING(node_isolate, http_parser_version));
2335 // +1 to get rid of the leading 'v'
2336 READONLY_PROPERTY(versions,
2338 OneByteString(node_isolate, NODE_VERSION + 1));
2339 READONLY_PROPERTY(versions,
2341 OneByteString(node_isolate, V8::GetVersion()));
2342 READONLY_PROPERTY(versions,
2344 OneByteString(node_isolate, uv_version_string()));
2345 READONLY_PROPERTY(versions,
2347 FIXED_ONE_BYTE_STRING(node_isolate, ZLIB_VERSION));
2349 const char node_modules_version[] = NODE_STRINGIFY(NODE_MODULE_VERSION);
2350 READONLY_PROPERTY(versions,
2352 FIXED_ONE_BYTE_STRING(node_isolate, node_modules_version));
2355 // Stupid code to slice out the version string.
2356 int c, l = strlen(OPENSSL_VERSION_TEXT);
2357 for (i = j = 0; i < l; i++) {
2358 c = OPENSSL_VERSION_TEXT[i];
2359 if ('0' <= c && c <= '9') {
2360 for (j = i + 1; j < l; j++) {
2361 c = OPENSSL_VERSION_TEXT[j];
2362 if (c == ' ') break;
2370 OneByteString(node_isolate, &OPENSSL_VERSION_TEXT[i], j - i));
2374 READONLY_PROPERTY(process, "arch", OneByteString(node_isolate, ARCH));
2377 READONLY_PROPERTY(process,
2379 OneByteString(node_isolate, PLATFORM));
2382 Local<Array> arguments = Array::New(argc);
2383 for (int i = 0; i < argc; ++i) {
2384 arguments->Set(i, String::NewFromUtf8(node_isolate, argv[i]));
2386 process->Set(FIXED_ONE_BYTE_STRING(node_isolate, "argv"), arguments);
2389 Local<Array> exec_arguments = Array::New(exec_argc);
2390 for (int i = 0; i < exec_argc; ++i) {
2391 exec_arguments->Set(i, String::NewFromUtf8(node_isolate, exec_argv[i]));
2393 process->Set(FIXED_ONE_BYTE_STRING(node_isolate, "execArgv"), exec_arguments);
2395 // create process.env
2396 Local<ObjectTemplate> process_env_template = ObjectTemplate::New();
2397 process_env_template->SetNamedPropertyHandler(EnvGetter,
2403 Local<Object> process_env = process_env_template->NewInstance();
2404 process->Set(FIXED_ONE_BYTE_STRING(node_isolate, "env"), process_env);
2406 READONLY_PROPERTY(process, "pid", Integer::New(getpid(), node_isolate));
2407 READONLY_PROPERTY(process, "features", GetFeatures());
2408 process->SetAccessor(
2409 FIXED_ONE_BYTE_STRING(node_isolate, "_needImmediateCallback"),
2410 NeedImmediateCallbackGetter,
2411 NeedImmediateCallbackSetter);
2415 READONLY_PROPERTY(process,
2417 String::NewFromUtf8(node_isolate, eval_string));
2422 READONLY_PROPERTY(process, "_print_eval", True(node_isolate));
2425 // -i, --interactive
2427 READONLY_PROPERTY(process, "_forceRepl", True(node_isolate));
2431 if (no_deprecation) {
2432 READONLY_PROPERTY(process, "noDeprecation", True(node_isolate));
2435 // --throw-deprecation
2436 if (throw_deprecation) {
2437 READONLY_PROPERTY(process, "throwDeprecation", True(node_isolate));
2440 // --trace-deprecation
2441 if (trace_deprecation) {
2442 READONLY_PROPERTY(process, "traceDeprecation", True(node_isolate));
2445 size_t exec_path_len = 2 * PATH_MAX;
2446 char* exec_path = new char[exec_path_len];
2447 Local<String> exec_path_value;
2448 if (uv_exepath(exec_path, &exec_path_len) == 0) {
2449 exec_path_value = String::NewFromUtf8(node_isolate,
2451 String::kNormalString,
2454 exec_path_value = String::NewFromUtf8(node_isolate, argv[0]);
2456 process->Set(FIXED_ONE_BYTE_STRING(node_isolate, "execPath"),
2460 process->SetAccessor(FIXED_ONE_BYTE_STRING(node_isolate, "debugPort"),
2464 // define various internal methods
2465 NODE_SET_METHOD(process, "_getActiveRequests", GetActiveRequests);
2466 NODE_SET_METHOD(process, "_getActiveHandles", GetActiveHandles);
2467 NODE_SET_METHOD(process, "reallyExit", Exit);
2468 NODE_SET_METHOD(process, "abort", Abort);
2469 NODE_SET_METHOD(process, "chdir", Chdir);
2470 NODE_SET_METHOD(process, "cwd", Cwd);
2472 NODE_SET_METHOD(process, "umask", Umask);
2474 #if defined(__POSIX__) && !defined(__ANDROID__)
2475 NODE_SET_METHOD(process, "getuid", GetUid);
2476 NODE_SET_METHOD(process, "setuid", SetUid);
2478 NODE_SET_METHOD(process, "setgid", SetGid);
2479 NODE_SET_METHOD(process, "getgid", GetGid);
2481 NODE_SET_METHOD(process, "getgroups", GetGroups);
2482 NODE_SET_METHOD(process, "setgroups", SetGroups);
2483 NODE_SET_METHOD(process, "initgroups", InitGroups);
2484 #endif // __POSIX__ && !defined(__ANDROID__)
2486 NODE_SET_METHOD(process, "_kill", Kill);
2488 NODE_SET_METHOD(process, "_debugProcess", DebugProcess);
2489 NODE_SET_METHOD(process, "_debugPause", DebugPause);
2490 NODE_SET_METHOD(process, "_debugEnd", DebugEnd);
2492 NODE_SET_METHOD(process, "hrtime", Hrtime);
2494 NODE_SET_METHOD(process, "dlopen", DLOpen);
2496 NODE_SET_METHOD(process, "uptime", Uptime);
2497 NODE_SET_METHOD(process, "memoryUsage", MemoryUsage);
2499 NODE_SET_METHOD(process, "binding", Binding);
2501 NODE_SET_METHOD(process, "_setupDomainUse", SetupDomainUse);
2503 // values use to cross communicate with processNextTick
2504 Local<Object> tick_info_obj = Object::New();
2505 tick_info_obj->SetIndexedPropertiesToExternalArrayData(
2506 env->tick_info()->fields(),
2507 kExternalUnsignedIntArray,
2508 env->tick_info()->fields_count());
2509 process->Set(FIXED_ONE_BYTE_STRING(node_isolate, "_tickInfo"), tick_info_obj);
2511 // pre-set _events object for faster emit checks
2512 process->Set(FIXED_ONE_BYTE_STRING(node_isolate, "_events"), Object::New());
2516 #undef READONLY_PROPERTY
2519 static void AtExit() {
2520 uv_tty_reset_mode();
2524 static void SignalExit(int signal) {
2525 uv_tty_reset_mode();
2526 _exit(128 + signal);
2530 // Most of the time, it's best to use `console.error` to write
2531 // to the process.stderr stream. However, in some cases, such as
2532 // when debugging the stream.Writable class or the process.nextTick
2533 // function, it is useful to bypass JavaScript entirely.
2534 static void RawDebug(const FunctionCallbackInfo<Value>& args) {
2535 HandleScope scope(node_isolate);
2537 assert(args.Length() == 1 && args[0]->IsString() &&
2538 "must be called with a single string");
2540 String::Utf8Value message(args[0]);
2541 fprintf(stderr, "%s\n", *message);
2546 void Load(Environment* env) {
2547 HandleScope handle_scope(node_isolate);
2549 // Compile, execute the src/node.js file. (Which was included as static C
2550 // string in node_natives.h. 'natve_node' is the string containing that
2553 // The node.js file returns a function 'f'
2558 // Disable verbose mode to stop FatalException() handler from trying
2559 // to handle the exception. Errors this early in the start-up phase
2560 // are not safe to ignore.
2561 try_catch.SetVerbose(false);
2563 Local<String> script_name = FIXED_ONE_BYTE_STRING(node_isolate, "node.js");
2564 Local<Value> f_value = ExecuteString(MainSource(), script_name);
2565 if (try_catch.HasCaught()) {
2566 ReportException(try_catch);
2569 assert(f_value->IsFunction());
2570 Local<Function> f = Local<Function>::Cast(f_value);
2572 // Now we call 'f' with the 'process' variable that we've built up with
2573 // all our bindings. Inside node.js we'll take care of assigning things to
2576 // We start the process this way in order to be more modular. Developers
2577 // who do not like how 'src/node.js' setups the module system but do like
2578 // Node's I/O bindings may want to replace 'f' with their own function.
2580 // Add a reference to the global object
2581 Local<Object> global = env->context()->Global();
2583 #if defined HAVE_DTRACE || defined HAVE_ETW || defined HAVE_SYSTEMTAP
2587 #if defined HAVE_PERFCTR
2588 InitPerfCounters(global);
2591 // Enable handling of uncaught exceptions
2592 // (FatalException(), break on uncaught exception in debugger)
2594 // This is not strictly necessary since it's almost impossible
2595 // to attach the debugger fast enought to break on exception
2596 // thrown during process startup.
2597 try_catch.SetVerbose(true);
2599 NODE_SET_METHOD(env->process_object(), "_rawDebug", RawDebug);
2601 Local<Value> arg = env->process_object();
2602 f->Call(global, 1, &arg);
2605 static void PrintHelp();
2607 static void ParseDebugOpt(const char* arg) {
2610 if (strstr(arg, "--debug-port=") == arg) {
2611 p = 1 + strchr(arg, '=');
2612 debug_port = atoi(p);
2614 use_debug_agent = true;
2615 if (!strcmp(arg, "--debug-brk")) {
2616 debug_wait_connect = true;
2618 } else if (!strcmp(arg, "--debug")) {
2620 } else if (strstr(arg, "--debug-brk=") == arg) {
2621 debug_wait_connect = true;
2622 p = 1 + strchr(arg, '=');
2623 debug_port = atoi(p);
2624 } else if (strstr(arg, "--debug=") == arg) {
2625 p = 1 + strchr(arg, '=');
2626 debug_port = atoi(p);
2629 if (p && debug_port > 1024 && debug_port < 65536)
2632 fprintf(stderr, "Bad debug option.\n");
2633 if (p) fprintf(stderr, "Debug port must be in range 1025 to 65535.\n");
2639 static void PrintHelp() {
2640 printf("Usage: node [options] [ -e script | script.js ] [arguments] \n"
2641 " node debug script.js [arguments] \n"
2644 " -v, --version print node's version\n"
2645 " -e, --eval script evaluate script\n"
2646 " -p, --print evaluate script and print result\n"
2647 " -i, --interactive always enter the REPL even if stdin\n"
2648 " does not appear to be a terminal\n"
2649 " --no-deprecation silence deprecation warnings\n"
2650 " --trace-deprecation show stack traces on deprecations\n"
2651 " --v8-options print v8 command line options\n"
2652 " --max-stack-size=val set max v8 stack size (bytes)\n"
2654 "Environment variables:\n"
2656 "NODE_PATH ';'-separated list of directories\n"
2658 "NODE_PATH ':'-separated list of directories\n"
2660 " prefixed to the module search path.\n"
2661 "NODE_MODULE_CONTEXTS Set to 1 to load modules in their own\n"
2662 " global contexts.\n"
2663 "NODE_DISABLE_COLORS Set to 1 to disable colors in the REPL\n"
2665 "Documentation can be found at http://nodejs.org/\n");
2669 // Parse command line arguments.
2671 // argv is modified in place. exec_argv and v8_argv are out arguments that
2672 // ParseArgs() allocates memory for and stores a pointer to the output
2673 // vector in. The caller should free them with delete[].
2677 // * argv contains the arguments with node and V8 options filtered out.
2678 // * exec_argv contains both node and V8 options and nothing else.
2679 // * v8_argv contains argv[0] plus any V8 options
2680 static void ParseArgs(int* argc,
2683 const char*** exec_argv,
2685 const char*** v8_argv) {
2686 const unsigned int nargs = static_cast<unsigned int>(*argc);
2687 const char** new_exec_argv = new const char*[nargs];
2688 const char** new_v8_argv = new const char*[nargs];
2689 const char** new_argv = new const char*[nargs];
2691 for (unsigned int i = 0; i < nargs; ++i) {
2692 new_exec_argv[i] = NULL;
2693 new_v8_argv[i] = NULL;
2697 // exec_argv starts with the first option, the other two start with argv[0].
2698 unsigned int new_exec_argc = 0;
2699 unsigned int new_v8_argc = 1;
2700 unsigned int new_argc = 1;
2701 new_v8_argv[0] = argv[0];
2702 new_argv[0] = argv[0];
2704 unsigned int index = 1;
2705 while (index < nargs && argv[index][0] == '-') {
2706 const char* const arg = argv[index];
2707 unsigned int args_consumed = 1;
2709 if (strstr(arg, "--debug") == arg) {
2711 } else if (strcmp(arg, "--version") == 0 || strcmp(arg, "-v") == 0) {
2712 printf("%s\n", NODE_VERSION);
2714 } else if (strcmp(arg, "--help") == 0 || strcmp(arg, "-h") == 0) {
2717 } else if (strcmp(arg, "--eval") == 0 ||
2718 strcmp(arg, "-e") == 0 ||
2719 strcmp(arg, "--print") == 0 ||
2720 strcmp(arg, "-pe") == 0 ||
2721 strcmp(arg, "-p") == 0) {
2722 bool is_eval = strchr(arg, 'e') != NULL;
2723 bool is_print = strchr(arg, 'p') != NULL;
2724 print_eval = print_eval || is_print;
2725 // --eval, -e and -pe always require an argument.
2726 if (is_eval == true) {
2728 eval_string = argv[index + 1];
2729 if (eval_string == NULL) {
2730 fprintf(stderr, "%s: %s requires an argument\n", argv[0], arg);
2733 } else if (argv[index + 1] != NULL && argv[index + 1][0] != '-') {
2735 eval_string = argv[index + 1];
2736 if (strncmp(eval_string, "\\-", 2) == 0) {
2737 // Starts with "\\-": escaped expression, drop the backslash.
2741 } else if (strcmp(arg, "--interactive") == 0 || strcmp(arg, "-i") == 0) {
2743 } else if (strcmp(arg, "--no-deprecation") == 0) {
2744 no_deprecation = true;
2745 } else if (strcmp(arg, "--trace-deprecation") == 0) {
2746 trace_deprecation = true;
2747 } else if (strcmp(arg, "--throw-deprecation") == 0) {
2748 throw_deprecation = true;
2749 } else if (strcmp(arg, "--v8-options") == 0) {
2750 new_v8_argv[new_v8_argc] = "--help";
2753 // V8 option. Pass through as-is.
2754 new_v8_argv[new_v8_argc] = arg;
2758 memcpy(new_exec_argv + new_exec_argc,
2760 args_consumed * sizeof(*argv));
2762 new_exec_argc += args_consumed;
2763 index += args_consumed;
2766 // Copy remaining arguments.
2767 const unsigned int args_left = nargs - index;
2768 memcpy(new_argv + new_argc, argv + index, args_left * sizeof(*argv));
2769 new_argc += args_left;
2771 *exec_argc = new_exec_argc;
2772 *exec_argv = new_exec_argv;
2773 *v8_argc = new_v8_argc;
2774 *v8_argv = new_v8_argv;
2776 // Copy new_argv over argv and update argc.
2777 memcpy(argv, new_argv, new_argc * sizeof(*argv));
2779 *argc = static_cast<int>(new_argc);
2783 // Called from the main thread.
2784 static void DispatchDebugMessagesAsyncCallback(uv_async_t* handle, int status) {
2785 v8::Debug::ProcessDebugMessages();
2789 // Called from V8 Debug Agent TCP thread.
2790 static void DispatchMessagesDebugAgentCallback() {
2791 uv_async_send(&dispatch_debug_messages_async);
2795 // Called from the main thread
2796 static void EmitDebugEnabledAsyncCallback(uv_async_t* handle, int status) {
2797 Environment* env = Environment::GetCurrent(node_isolate);
2798 Context::Scope context_scope(env->context());
2799 HandleScope handle_scope(env->isolate());
2800 Local<Object> message = Object::New();
2801 message->Set(FIXED_ONE_BYTE_STRING(node_isolate, "cmd"),
2802 FIXED_ONE_BYTE_STRING(node_isolate, "NODE_DEBUG_ENABLED"));
2803 Local<Value> args[] = {
2804 FIXED_ONE_BYTE_STRING(node_isolate, "internalMessage"),
2807 MakeCallback(env, env->process_object(), "emit", ARRAY_SIZE(args), args);
2811 // Called from the signal watcher callback
2812 static void EmitDebugEnabled() {
2813 uv_async_send(&emit_debug_enabled_async);
2817 static void EnableDebug(bool wait_connect) {
2818 // If we're called from another thread, make sure to enter the right
2820 node_isolate->Enter();
2822 v8::Debug::SetDebugMessageDispatchHandler(DispatchMessagesDebugAgentCallback,
2825 // Start the debug thread and it's associated TCP server on port 5858.
2826 bool r = v8::Debug::EnableAgent("node " NODE_VERSION,
2830 // Crappy check that everything went well. FIXME
2833 // Print out some information.
2834 fprintf(stderr, "debugger listening on port %d\n", debug_port);
2837 debugger_running = true;
2839 if (Environment::GetCurrentChecked(node_isolate) != NULL) {
2843 node_isolate->Exit();
2848 static void EnableDebugSignalHandler(uv_signal_t* handle, int) {
2849 // Break once process will return execution to v8
2850 v8::Debug::DebugBreak(node_isolate);
2852 if (!debugger_running) {
2853 fprintf(stderr, "Hit SIGUSR1 - starting debugger agent.\n");
2859 static void RegisterSignalHandler(int signal, void (*handler)(int signal)) {
2860 struct sigaction sa;
2862 memset(&sa, 0, sizeof(sa));
2863 sa.sa_handler = handler;
2864 sigfillset(&sa.sa_mask);
2865 sigaction(signal, &sa, NULL);
2869 void DebugProcess(const FunctionCallbackInfo<Value>& args) {
2870 HandleScope scope(node_isolate);
2872 if (args.Length() != 1) {
2873 return ThrowError("Invalid number of arguments.");
2879 pid = args[0]->IntegerValue();
2880 r = kill(pid, SIGUSR1);
2882 return ThrowErrnoException(errno, "kill");
2889 DWORD WINAPI EnableDebugThreadProc(void* arg) {
2890 // Break once process will return execution to v8
2891 if (!debugger_running) {
2892 for (int i = 0; i < 1; i++) {
2893 fprintf(stderr, "Starting debugger agent.\r\n");
2899 v8::Debug::DebugBreak(node_isolate);
2905 static int GetDebugSignalHandlerMappingName(DWORD pid, wchar_t* buf,
2907 return _snwprintf(buf, buf_len, L"node-debug-handler-%u", pid);
2911 static int RegisterDebugSignalHandler() {
2912 wchar_t mapping_name[32];
2913 HANDLE mapping_handle;
2915 LPTHREAD_START_ROUTINE* handler;
2917 pid = GetCurrentProcessId();
2919 if (GetDebugSignalHandlerMappingName(pid,
2921 ARRAY_SIZE(mapping_name)) < 0) {
2925 mapping_handle = CreateFileMappingW(INVALID_HANDLE_VALUE,
2931 if (mapping_handle == NULL) {
2935 handler = reinterpret_cast<LPTHREAD_START_ROUTINE*>(
2936 MapViewOfFile(mapping_handle,
2937 FILE_MAP_ALL_ACCESS,
2941 if (handler == NULL) {
2942 CloseHandle(mapping_handle);
2946 *handler = EnableDebugThreadProc;
2948 UnmapViewOfFile(static_cast<void*>(handler));
2954 static void DebugProcess(const FunctionCallbackInfo<Value>& args) {
2955 HandleScope scope(node_isolate);
2957 HANDLE process = NULL;
2958 HANDLE thread = NULL;
2959 HANDLE mapping = NULL;
2960 wchar_t mapping_name[32];
2961 LPTHREAD_START_ROUTINE* handler = NULL;
2963 if (args.Length() != 1) {
2964 ThrowError("Invalid number of arguments.");
2968 pid = (DWORD) args[0]->IntegerValue();
2970 process = OpenProcess(PROCESS_CREATE_THREAD | PROCESS_QUERY_INFORMATION |
2971 PROCESS_VM_OPERATION | PROCESS_VM_WRITE |
2975 if (process == NULL) {
2976 ThrowException(WinapiErrnoException(GetLastError(), "OpenProcess"));
2980 if (GetDebugSignalHandlerMappingName(pid,
2982 ARRAY_SIZE(mapping_name)) < 0) {
2983 ThrowErrnoException(errno, "sprintf");
2987 mapping = OpenFileMappingW(FILE_MAP_READ, FALSE, mapping_name);
2988 if (mapping == NULL) {
2989 ThrowException(WinapiErrnoException(GetLastError(), "OpenFileMappingW"));
2993 handler = reinterpret_cast<LPTHREAD_START_ROUTINE*>(
2994 MapViewOfFile(mapping,
2999 if (handler == NULL || *handler == NULL) {
3000 ThrowException(WinapiErrnoException(GetLastError(), "MapViewOfFile"));
3004 thread = CreateRemoteThread(process,
3011 if (thread == NULL) {
3012 ThrowException(WinapiErrnoException(GetLastError(), "CreateRemoteThread"));
3016 // Wait for the thread to terminate
3017 if (WaitForSingleObject(thread, INFINITE) != WAIT_OBJECT_0) {
3018 ThrowException(WinapiErrnoException(GetLastError(), "WaitForSingleObject"));
3023 if (process != NULL)
3024 CloseHandle(process);
3026 CloseHandle(thread);
3027 if (handler != NULL)
3028 UnmapViewOfFile(handler);
3029 if (mapping != NULL)
3030 CloseHandle(mapping);
3035 static void DebugPause(const FunctionCallbackInfo<Value>& args) {
3036 v8::Debug::DebugBreak(node_isolate);
3040 static void DebugEnd(const FunctionCallbackInfo<Value>& args) {
3041 if (debugger_running) {
3042 v8::Debug::DisableAgent();
3043 debugger_running = false;
3048 void Init(int* argc,
3051 const char*** exec_argv) {
3052 // Initialize prog_start_time to get relative uptime.
3053 uv_uptime(&prog_start_time);
3055 // Make inherited handles noninheritable.
3056 uv_disable_stdio_inheritance();
3058 // init async debug messages dispatching
3059 // FIXME(bnoordhuis) Should be per-isolate or per-context, not global.
3060 uv_async_init(uv_default_loop(),
3061 &dispatch_debug_messages_async,
3062 DispatchDebugMessagesAsyncCallback);
3063 uv_unref(reinterpret_cast<uv_handle_t*>(&dispatch_debug_messages_async));
3065 // init async NODE_DEBUG_ENABLED emitter
3066 // FIXME(bnoordhuis) Should be per-isolate or per-context, not global.
3067 uv_async_init(uv_default_loop(),
3068 &emit_debug_enabled_async,
3069 EmitDebugEnabledAsyncCallback);
3070 uv_unref(reinterpret_cast<uv_handle_t*>(&emit_debug_enabled_async));
3072 // Parse a few arguments which are specific to Node.
3074 const char** v8_argv;
3075 ParseArgs(argc, argv, exec_argc, exec_argv, &v8_argc, &v8_argv);
3077 // The const_cast doesn't violate conceptual const-ness. V8 doesn't modify
3078 // the argv array or the elements it points to.
3079 V8::SetFlagsFromCommandLine(&v8_argc, const_cast<char**>(v8_argv), true);
3081 // Anything that's still in v8_argv is not a V8 or a node option.
3082 for (int i = 1; i < v8_argc; i++) {
3083 fprintf(stderr, "%s: bad option: %s\n", argv[0], v8_argv[i]);
3092 if (debug_wait_connect) {
3093 const char expose_debug_as[] = "--expose_debug_as=v8debug";
3094 V8::SetFlagsFromString(expose_debug_as, sizeof(expose_debug_as) - 1);
3097 const char typed_arrays_flag[] = "--harmony_typed_arrays";
3098 V8::SetFlagsFromString(typed_arrays_flag, sizeof(typed_arrays_flag) - 1);
3099 V8::SetArrayBufferAllocator(&ArrayBufferAllocator::the_singleton);
3101 // Fetch a reference to the main isolate, so we have a reference to it
3102 // even when we need it to access it from another (debugger) thread.
3103 node_isolate = Isolate::GetCurrent();
3107 RegisterSignalHandler(SIGPIPE, SIG_IGN);
3108 RegisterSignalHandler(SIGINT, SignalExit);
3109 RegisterSignalHandler(SIGTERM, SignalExit);
3112 V8::SetFatalErrorHandler(node::OnFatalError);
3113 V8::AddMessageListener(OnMessage);
3115 // If the --debug flag was specified then initialize the debug thread.
3116 if (use_debug_agent) {
3117 EnableDebug(debug_wait_connect);
3120 RegisterDebugSignalHandler();
3122 // FIXME(bnoordhuis) Should be per-isolate or per-context, not global.
3123 static uv_signal_t signal_watcher;
3124 uv_signal_init(uv_default_loop(), &signal_watcher);
3125 uv_signal_start(&signal_watcher, EnableDebugSignalHandler, SIGUSR1);
3126 uv_unref(reinterpret_cast<uv_handle_t*>(&signal_watcher));
3132 struct AtExitCallback {
3133 AtExitCallback* next_;
3134 void (*cb_)(void* arg);
3138 static AtExitCallback* at_exit_functions_;
3141 // TODO(bnoordhuis) Turn into per-context event.
3142 void RunAtExit(Environment* env) {
3143 AtExitCallback* p = at_exit_functions_;
3144 at_exit_functions_ = NULL;
3147 AtExitCallback* q = p->next_;
3155 void AtExit(void (*cb)(void* arg), void* arg) {
3156 AtExitCallback* p = new AtExitCallback;
3159 p->next_ = at_exit_functions_;
3160 at_exit_functions_ = p;
3164 void EmitExit(Environment* env) {
3165 // process.emit('exit')
3166 Context::Scope context_scope(env->context());
3167 HandleScope handle_scope(env->isolate());
3168 Local<Object> process_object = env->process_object();
3169 process_object->Set(FIXED_ONE_BYTE_STRING(node_isolate, "_exiting"),
3170 True(node_isolate));
3172 Handle<String> exitCode = FIXED_ONE_BYTE_STRING(node_isolate, "exitCode");
3173 int code = process_object->Get(exitCode)->IntegerValue();
3175 Local<Value> args[] = {
3176 FIXED_ONE_BYTE_STRING(node_isolate, "exit"),
3177 Integer::New(code, node_isolate)
3180 MakeCallback(env, process_object, "emit", ARRAY_SIZE(args), args);
3185 Environment* CreateEnvironment(Isolate* isolate,
3187 const char* const* argv,
3189 const char* const* exec_argv) {
3190 HandleScope handle_scope(isolate);
3192 Local<Context> context = Context::New(isolate);
3193 Context::Scope context_scope(context);
3194 Environment* env = Environment::New(context);
3196 uv_check_init(env->event_loop(), env->immediate_check_handle());
3198 reinterpret_cast<uv_handle_t*>(env->immediate_check_handle()));
3199 uv_idle_init(env->event_loop(), env->immediate_idle_handle());
3201 Local<FunctionTemplate> process_template = FunctionTemplate::New();
3202 process_template->SetClassName(FIXED_ONE_BYTE_STRING(isolate, "process"));
3204 Local<Object> process_object = process_template->GetFunction()->NewInstance();
3205 env->set_process_object(process_object);
3207 SetupProcessObject(env, argc, argv, exec_argc, exec_argv);
3214 int Start(int argc, char** argv) {
3217 // Hack around with the argv pointer. Used for process.title = "blah".
3218 argv = uv_setup_args(argc, argv);
3220 // This needs to run *before* V8::Initialize(). The const_cast is not
3221 // optional, in case you're wondering.
3223 const char** exec_argv;
3224 Init(&argc, const_cast<const char**>(argv), &exec_argc, &exec_argv);
3228 Locker locker(node_isolate);
3230 CreateEnvironment(node_isolate, argc, argv, exec_argc, exec_argv);
3231 Context::Scope context_scope(env->context());
3232 HandleScope handle_scope(env->isolate());
3233 uv_run(env->event_loop(), UV_RUN_DEFAULT);
3241 // Clean up. Not strictly necessary.
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