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.
24 #include "handle_wrap.h"
25 #include "string_bytes.h"
31 #if defined HAVE_DTRACE || defined HAVE_ETW || defined HAVE_SYSTEMTAP
32 # include "node_dtrace.h"
34 #if defined HAVE_PERFCTR
35 # include "node_counters.h"
43 #if !defined(_MSC_VER)
46 #define strcasecmp _stricmp
48 #include <limits.h> /* PATH_MAX */
50 #if !defined(_MSC_VER)
51 #include <unistd.h> /* setuid, getuid */
55 #define getpid _getpid
61 #include <sys/types.h>
64 #if defined(__POSIX__) && !defined(__ANDROID__)
65 # include <pwd.h> /* getpwnam() */
66 # include <grp.h> /* getgrnam() */
69 #include "node_buffer.h"
70 #include "node_file.h"
71 #include "node_http_parser.h"
72 #include "node_constants.h"
73 #include "node_javascript.h"
74 #include "node_version.h"
76 # include "node_crypto.h"
79 #include "node_provider.h"
81 #include "node_script.h"
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::Persistent;
112 using v8::PropertyCallbackInfo;
113 using v8::ResourceConstraints;
114 using v8::SetResourceConstraints;
116 using v8::ThrowException;
121 using v8::kExternalUnsignedIntArray;
123 QUEUE handle_wrap_queue = { &handle_wrap_queue, &handle_wrap_queue };
124 QUEUE req_wrap_queue = { &req_wrap_queue, &req_wrap_queue };
126 // declared in req_wrap.h
127 Cached<String> process_symbol;
128 Cached<String> domain_symbol;
130 // declared in node_internals.h
131 Persistent<Object> process_p;
133 static Persistent<Function> process_tickCallback;
134 static Persistent<Object> binding_cache;
135 static Persistent<Array> module_load_list;
137 static Cached<String> exports_symbol;
139 static Cached<String> errno_symbol;
140 static Cached<String> syscall_symbol;
141 static Cached<String> errpath_symbol;
142 static Cached<String> code_symbol;
144 static Cached<String> rss_symbol;
145 static Cached<String> heap_total_symbol;
146 static Cached<String> heap_used_symbol;
148 static Cached<String> fatal_exception_symbol;
150 static Cached<String> enter_symbol;
151 static Cached<String> exit_symbol;
152 static Cached<String> disposed_symbol;
154 // Essential for node_wrap.h
155 Persistent<FunctionTemplate> pipeConstructorTmpl;
156 Persistent<FunctionTemplate> tcpConstructorTmpl;
157 Persistent<FunctionTemplate> ttyConstructorTmpl;
159 static bool print_eval = false;
160 static bool force_repl = false;
161 static bool trace_deprecation = false;
162 static bool throw_deprecation = false;
163 static char *eval_string = NULL;
164 static int option_end_index = 0;
165 static bool use_debug_agent = false;
166 static bool debug_wait_connect = false;
167 static int debug_port = 5858;
168 static int max_stack_size = 0;
169 bool using_domains = false;
171 // used by C++ modules as well
172 bool no_deprecation = false;
174 static uv_check_t check_immediate_watcher;
175 static uv_idle_t idle_immediate_dummy;
176 static bool need_immediate_cb;
177 static Cached<String> immediate_callback_sym;
179 // for quick ref to tickCallback values
187 #ifdef OPENSSL_NPN_NEGOTIATED
188 static bool use_npn = true;
190 static bool use_npn = false;
193 #ifdef SSL_CTRL_SET_TLSEXT_SERVERNAME_CB
194 static bool use_sni = true;
196 static bool use_sni = false;
199 // process-relative uptime base, initialized at start-up
200 static double prog_start_time;
202 static volatile bool debugger_running = false;
203 static uv_async_t dispatch_debug_messages_async;
204 static uv_async_t emit_debug_enabled_async;
206 // Declared in node_internals.h
207 Isolate* node_isolate = NULL;
210 class ArrayBufferAllocator : public ArrayBuffer::Allocator {
212 // Impose an upper limit to avoid out of memory errors that bring down
214 static const size_t kMaxLength = 0x3fffffff;
215 static ArrayBufferAllocator the_singleton;
216 virtual ~ArrayBufferAllocator() {}
217 virtual void* Allocate(size_t length);
218 virtual void Free(void* data);
220 ArrayBufferAllocator() {}
221 ArrayBufferAllocator(const ArrayBufferAllocator&);
222 void operator=(const ArrayBufferAllocator&);
225 ArrayBufferAllocator ArrayBufferAllocator::the_singleton;
228 void* ArrayBufferAllocator::Allocate(size_t length) {
229 if (length > kMaxLength) return NULL;
230 return new char[length];
234 void ArrayBufferAllocator::Free(void* data) {
235 delete[] static_cast<char*>(data);
239 static void CheckImmediate(uv_check_t* handle, int status) {
240 assert(handle == &check_immediate_watcher);
243 HandleScope scope(node_isolate);
245 if (immediate_callback_sym.IsEmpty()) {
246 immediate_callback_sym = String::New("_immediateCallback");
249 MakeCallback(process_p, immediate_callback_sym, 0, NULL);
253 static void IdleImmediateDummy(uv_idle_t* handle, int status) {
254 // Do nothing. Only for maintaining event loop
255 assert(handle == &idle_immediate_dummy);
260 static inline const char *errno_string(int errorno) {
261 #define ERRNO_CASE(e) case e: return #e;
268 ERRNO_CASE(EADDRINUSE);
272 ERRNO_CASE(EADDRNOTAVAIL);
276 ERRNO_CASE(EAFNOSUPPORT);
284 # if EAGAIN != EWOULDBLOCK
285 ERRNO_CASE(EWOULDBLOCK);
290 ERRNO_CASE(EALREADY);
306 ERRNO_CASE(ECANCELED);
314 ERRNO_CASE(ECONNABORTED);
318 ERRNO_CASE(ECONNREFUSED);
322 ERRNO_CASE(ECONNRESET);
330 ERRNO_CASE(EDESTADDRREQ);
354 ERRNO_CASE(EHOSTUNREACH);
366 ERRNO_CASE(EINPROGRESS);
402 ERRNO_CASE(EMSGSIZE);
406 ERRNO_CASE(EMULTIHOP);
410 ERRNO_CASE(ENAMETOOLONG);
414 ERRNO_CASE(ENETDOWN);
418 ERRNO_CASE(ENETRESET);
422 ERRNO_CASE(ENETUNREACH);
454 # if ENOLINK != ENOLCK
468 ERRNO_CASE(ENOPROTOOPT);
488 ERRNO_CASE(ENOTCONN);
496 ERRNO_CASE(ENOTEMPTY);
500 ERRNO_CASE(ENOTSOCK);
507 ERRNO_CASE(EOPNOTSUPP);
521 ERRNO_CASE(EOVERFLOW);
536 #ifdef EPROTONOSUPPORT
537 ERRNO_CASE(EPROTONOSUPPORT);
541 ERRNO_CASE(EPROTOTYPE);
569 ERRNO_CASE(ETIMEDOUT);
584 const char *signo_string(int signo) {
585 #define SIGNO_CASE(e) case e: return #e;
612 # if SIGABRT != SIGIOT
656 SIGNO_CASE(SIGSTKFLT);
673 SIGNO_CASE(SIGBREAK);
697 SIGNO_CASE(SIGVTALRM);
705 SIGNO_CASE(SIGWINCH);
713 # if SIGPOLL != SIGIO
723 # if SIGPWR != SIGLOST
737 Local<Value> ErrnoException(int errorno,
742 Local<String> estring = String::NewSymbol(errno_string(errorno));
743 if (msg == NULL || msg[0] == '\0') {
744 msg = strerror(errorno);
746 Local<String> message = String::NewSymbol(msg);
748 Local<String> cons1 = String::Concat(estring, String::NewSymbol(", "));
749 Local<String> cons2 = String::Concat(cons1, message);
751 if (syscall_symbol.IsEmpty()) {
752 syscall_symbol = String::New("syscall");
753 errno_symbol = String::New("errno");
754 errpath_symbol = String::New("path");
755 code_symbol = String::New("code");
759 Local<String> cons3 = String::Concat(cons2, String::NewSymbol(" '"));
760 Local<String> cons4 = String::Concat(cons3, String::New(path));
761 Local<String> cons5 = String::Concat(cons4, String::NewSymbol("'"));
762 e = Exception::Error(cons5);
764 e = Exception::Error(cons2);
767 Local<Object> obj = e->ToObject();
769 obj->Set(errno_symbol, Integer::New(errorno, node_isolate));
770 obj->Set(code_symbol, estring);
771 if (path) obj->Set(errpath_symbol, String::New(path));
772 if (syscall) obj->Set(syscall_symbol, String::NewSymbol(syscall));
777 // hack alert! copy of ErrnoException, tuned for uv errors
778 Local<Value> UVException(int errorno,
782 if (syscall_symbol.IsEmpty()) {
783 syscall_symbol = String::New("syscall");
784 errno_symbol = String::New("errno");
785 errpath_symbol = String::New("path");
786 code_symbol = String::New("code");
790 msg = uv_strerror(errorno);
792 Local<String> estring = String::NewSymbol(uv_err_name(errorno));
793 Local<String> message = String::NewSymbol(msg);
794 Local<String> cons1 = String::Concat(estring, String::NewSymbol(", "));
795 Local<String> cons2 = String::Concat(cons1, message);
799 Local<String> path_str;
803 if (strncmp(path, "\\\\?\\UNC\\", 8) == 0) {
804 path_str = String::Concat(String::New("\\\\"), String::New(path + 8));
805 } else if (strncmp(path, "\\\\?\\", 4) == 0) {
806 path_str = String::New(path + 4);
808 path_str = String::New(path);
811 path_str = String::New(path);
814 Local<String> cons3 = String::Concat(cons2, String::NewSymbol(" '"));
815 Local<String> cons4 = String::Concat(cons3, path_str);
816 Local<String> cons5 = String::Concat(cons4, String::NewSymbol("'"));
817 e = Exception::Error(cons5);
819 e = Exception::Error(cons2);
822 Local<Object> obj = e->ToObject();
824 // TODO(piscisaureus) errno should probably go
825 obj->Set(errno_symbol, Integer::New(errorno, node_isolate));
826 obj->Set(code_symbol, estring);
827 if (path) obj->Set(errpath_symbol, path_str);
828 if (syscall) obj->Set(syscall_symbol, String::NewSymbol(syscall));
834 // Does about the same as strerror(),
835 // but supports all windows error messages
836 static const char *winapi_strerror(const int errorno) {
839 FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM |
840 FORMAT_MESSAGE_IGNORE_INSERTS, NULL, errorno,
841 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPTSTR)&errmsg, 0, NULL);
844 // Remove trailing newlines
845 for (int i = strlen(errmsg) - 1;
846 i >= 0 && (errmsg[i] == '\n' || errmsg[i] == '\r'); i--) {
852 // FormatMessage failed
853 return "Unknown error";
858 Local<Value> WinapiErrnoException(int errorno,
863 if (!msg || !msg[0]) {
864 msg = winapi_strerror(errorno);
866 Local<String> message = String::NewSymbol(msg);
868 if (syscall_symbol.IsEmpty()) {
869 syscall_symbol = String::New("syscall");
870 errno_symbol = String::New("errno");
871 errpath_symbol = String::New("path");
872 code_symbol = String::New("code");
876 Local<String> cons1 = String::Concat(message, String::NewSymbol(" '"));
877 Local<String> cons2 = String::Concat(cons1, String::New(path));
878 Local<String> cons3 = String::Concat(cons2, String::NewSymbol("'"));
879 e = Exception::Error(cons3);
881 e = Exception::Error(message);
884 Local<Object> obj = e->ToObject();
886 obj->Set(errno_symbol, Integer::New(errorno, node_isolate));
887 if (path) obj->Set(errpath_symbol, String::New(path));
888 if (syscall) obj->Set(syscall_symbol, String::NewSymbol(syscall));
894 void SetupDomainUse(const FunctionCallbackInfo<Value>& args) {
895 if (using_domains) return;
896 HandleScope scope(node_isolate);
897 using_domains = true;
898 Local<Object> process = PersistentToLocal(process_p);
899 Local<Value> tdc_v = process->Get(String::New("_tickDomainCallback"));
900 Local<Value> ndt_v = process->Get(String::New("_nextDomainTick"));
901 if (!tdc_v->IsFunction()) {
902 fprintf(stderr, "process._tickDomainCallback assigned to non-function\n");
905 if (!ndt_v->IsFunction()) {
906 fprintf(stderr, "process._nextDomainTick assigned to non-function\n");
909 Local<Function> tdc = tdc_v.As<Function>();
910 Local<Function> ndt = ndt_v.As<Function>();
911 process->Set(String::New("_tickCallback"), tdc);
912 process->Set(String::New("nextTick"), ndt);
913 process_tickCallback.Reset(node_isolate, tdc);
918 MakeDomainCallback(const Handle<Object> object,
919 const Handle<Function> callback,
921 Handle<Value> argv[]) {
922 // TODO(trevnorris) Hook for long stack traces to be made here.
924 // lazy load domain specific symbols
925 if (enter_symbol.IsEmpty()) {
926 enter_symbol = String::New("enter");
927 exit_symbol = String::New("exit");
928 disposed_symbol = String::New("_disposed");
931 Local<Value> domain_v = object->Get(domain_symbol);
932 Local<Object> domain;
933 Local<Function> enter;
934 Local<Function> exit;
937 try_catch.SetVerbose(true);
939 bool has_domain = domain_v->IsObject();
941 domain = domain_v->ToObject();
942 assert(!domain.IsEmpty());
943 if (domain->Get(disposed_symbol)->IsTrue()) {
944 // domain has been disposed of.
945 return Undefined(node_isolate);
947 enter = Local<Function>::Cast(domain->Get(enter_symbol));
948 assert(!enter.IsEmpty());
949 enter->Call(domain, 0, NULL);
951 if (try_catch.HasCaught()) {
952 return Undefined(node_isolate);
956 Local<Value> ret = callback->Call(object, argc, argv);
958 if (try_catch.HasCaught()) {
959 return Undefined(node_isolate);
963 exit = Local<Function>::Cast(domain->Get(exit_symbol));
964 assert(!exit.IsEmpty());
965 exit->Call(domain, 0, NULL);
967 if (try_catch.HasCaught()) {
968 return Undefined(node_isolate);
972 if (tick_infobox.last_threw == 1) {
973 tick_infobox.last_threw = 0;
977 if (tick_infobox.in_tick == 1) {
981 if (tick_infobox.length == 0) {
982 tick_infobox.index = 0;
986 // process nextTicks after call
987 Local<Object> process = PersistentToLocal(process_p);
988 Local<Function> fn = PersistentToLocal(process_tickCallback);
989 fn->Call(process, 0, NULL);
991 if (try_catch.HasCaught()) {
992 return Undefined(node_isolate);
1000 MakeCallback(const Handle<Object> object,
1001 const Handle<Function> callback,
1003 Handle<Value> argv[]) {
1004 // TODO(trevnorris) Hook for long stack traces to be made here.
1005 Local<Object> process = PersistentToLocal(process_p);
1008 return MakeDomainCallback(object, callback, argc, argv);
1010 // lazy load no domain next tick callbacks
1011 if (process_tickCallback.IsEmpty()) {
1012 Local<Value> cb_v = process->Get(String::New("_tickCallback"));
1013 if (!cb_v->IsFunction()) {
1014 fprintf(stderr, "process._tickCallback assigned to non-function\n");
1017 process_tickCallback.Reset(node_isolate, cb_v.As<Function>());
1021 try_catch.SetVerbose(true);
1023 Local<Value> ret = callback->Call(object, argc, argv);
1025 if (try_catch.HasCaught()) {
1026 return Undefined(node_isolate);
1029 if (tick_infobox.in_tick == 1) {
1033 if (tick_infobox.length == 0) {
1034 tick_infobox.index = 0;
1038 // process nextTicks after call
1039 Local<Function> fn = PersistentToLocal(process_tickCallback);
1040 fn->Call(process, 0, NULL);
1042 if (try_catch.HasCaught()) {
1043 return Undefined(node_isolate);
1051 MakeCallback(const Handle<Object> object,
1052 const Handle<String> symbol,
1054 Handle<Value> argv[]) {
1055 HandleScope scope(node_isolate);
1057 Local<Function> callback = object->Get(symbol).As<Function>();
1058 assert(callback->IsFunction());
1061 return scope.Close(MakeDomainCallback(object, callback, argc, argv));
1062 return scope.Close(MakeCallback(object, callback, argc, argv));
1067 MakeCallback(const Handle<Object> object,
1070 Handle<Value> argv[]) {
1071 HandleScope scope(node_isolate);
1074 MakeCallback(object, String::NewSymbol(method), argc, argv);
1076 return scope.Close(ret);
1080 enum encoding ParseEncoding(Handle<Value> encoding_v, enum encoding _default) {
1081 HandleScope scope(node_isolate);
1083 if (!encoding_v->IsString()) return _default;
1085 String::Utf8Value encoding(encoding_v);
1087 if (strcasecmp(*encoding, "utf8") == 0) {
1089 } else if (strcasecmp(*encoding, "utf-8") == 0) {
1091 } else if (strcasecmp(*encoding, "ascii") == 0) {
1093 } else if (strcasecmp(*encoding, "base64") == 0) {
1095 } else if (strcasecmp(*encoding, "ucs2") == 0) {
1097 } else if (strcasecmp(*encoding, "ucs-2") == 0) {
1099 } else if (strcasecmp(*encoding, "utf16le") == 0) {
1101 } else if (strcasecmp(*encoding, "utf-16le") == 0) {
1103 } else if (strcasecmp(*encoding, "binary") == 0) {
1105 } else if (strcasecmp(*encoding, "buffer") == 0) {
1107 } else if (strcasecmp(*encoding, "hex") == 0) {
1109 } else if (strcasecmp(*encoding, "raw") == 0) {
1110 if (!no_deprecation) {
1111 fprintf(stderr, "'raw' (array of integers) has been removed. "
1115 } else if (strcasecmp(*encoding, "raws") == 0) {
1116 if (!no_deprecation) {
1117 fprintf(stderr, "'raws' encoding has been renamed to 'binary'. "
1118 "Please update your code.\n");
1126 Local<Value> Encode(const void *buf, size_t len, enum encoding encoding) {
1127 return StringBytes::Encode(static_cast<const char*>(buf),
1132 // Returns -1 if the handle was not valid for decoding
1133 ssize_t DecodeBytes(v8::Handle<v8::Value> val, enum encoding encoding) {
1134 HandleScope scope(node_isolate);
1136 if (val->IsArray()) {
1137 fprintf(stderr, "'raw' encoding (array of integers) has been removed. "
1143 return StringBytes::Size(val, encoding);
1147 # define MIN(a, b) ((a) < (b) ? (a) : (b))
1150 // Returns number of bytes written.
1151 ssize_t DecodeWrite(char *buf,
1153 v8::Handle<v8::Value> val,
1154 enum encoding encoding) {
1155 return StringBytes::Write(buf, buflen, val, encoding, NULL);
1158 void DisplayExceptionLine(Handle<Message> message) {
1159 // Prevent re-entry into this function. For example, if there is
1160 // a throw from a program in vm.runInThisContext(code, filename, true),
1161 // then we want to show the original failure, not the secondary one.
1162 static bool displayed_error = false;
1164 if (displayed_error) return;
1165 displayed_error = true;
1167 uv_tty_reset_mode();
1169 fprintf(stderr, "\n");
1171 if (!message.IsEmpty()) {
1172 // Print (filename):(line number): (message).
1173 String::Utf8Value filename(message->GetScriptResourceName());
1174 const char* filename_string = *filename;
1175 int linenum = message->GetLineNumber();
1176 fprintf(stderr, "%s:%i\n", filename_string, linenum);
1177 // Print line of source code.
1178 String::Utf8Value sourceline(message->GetSourceLine());
1179 const char* sourceline_string = *sourceline;
1181 // Because of how node modules work, all scripts are wrapped with a
1182 // "function (module, exports, __filename, ...) {"
1183 // to provide script local variables.
1185 // When reporting errors on the first line of a script, this wrapper
1186 // function is leaked to the user. There used to be a hack here to
1187 // truncate off the first 62 characters, but it caused numerous other
1188 // problems when vm.runIn*Context() methods were used for non-module
1191 // If we ever decide to re-instate such a hack, the following steps
1194 // 1. Pass a flag around to say "this code was wrapped"
1195 // 2. Update the stack frame output so that it is also correct.
1197 // It would probably be simpler to add a line rather than add some
1198 // number of characters to the first line, since V8 truncates the
1199 // sourceline to 78 characters, and we end up not providing very much
1200 // useful debugging info to the user if we remove 62 characters.
1202 int start = message->GetStartColumn();
1203 int end = message->GetEndColumn();
1205 fprintf(stderr, "%s\n", sourceline_string);
1206 // Print wavy underline (GetUnderline is deprecated).
1207 for (int i = 0; i < start; i++) {
1208 fputc((sourceline_string[i] == '\t') ? '\t' : ' ', stderr);
1210 for (int i = start; i < end; i++) {
1213 fputc('\n', stderr);
1218 static void ReportException(Handle<Value> er, Handle<Message> message) {
1219 HandleScope scope(node_isolate);
1221 DisplayExceptionLine(message);
1223 Local<Value> trace_value(er->ToObject()->Get(String::New("stack")));
1224 String::Utf8Value trace(trace_value);
1226 // range errors have a trace member set to undefined
1227 if (trace.length() > 0 && !trace_value->IsUndefined()) {
1228 fprintf(stderr, "%s\n", *trace);
1230 // this really only happens for RangeErrors, since they're the only
1231 // kind that won't have all this info in the trace, or when non-Error
1232 // objects are thrown manually.
1233 bool isErrorObject = er->IsObject() &&
1234 !(er->ToObject()->Get(String::New("message"))->IsUndefined()) &&
1235 !(er->ToObject()->Get(String::New("name"))->IsUndefined());
1237 if (isErrorObject) {
1238 String::Utf8Value name(er->ToObject()->Get(String::New("name")));
1239 fprintf(stderr, "%s: ", *name);
1242 String::Utf8Value msg(!isErrorObject ? er
1243 : er->ToObject()->Get(String::New("message")));
1244 fprintf(stderr, "%s\n", *msg);
1251 static void ReportException(const TryCatch& try_catch) {
1252 ReportException(try_catch.Exception(), try_catch.Message());
1256 // Executes a str within the current v8 context.
1257 Local<Value> ExecuteString(Handle<String> source, Handle<Value> filename) {
1258 HandleScope scope(node_isolate);
1261 // try_catch must be nonverbose to disable FatalException() handler,
1262 // we will handle exceptions ourself.
1263 try_catch.SetVerbose(false);
1265 Local<v8::Script> script = v8::Script::Compile(source, filename);
1266 if (script.IsEmpty()) {
1267 ReportException(try_catch);
1271 Local<Value> result = script->Run();
1272 if (result.IsEmpty()) {
1273 ReportException(try_catch);
1277 return scope.Close(result);
1281 static void GetActiveRequests(const FunctionCallbackInfo<Value>& args) {
1282 HandleScope scope(node_isolate);
1284 Local<Array> ary = Array::New();
1288 QUEUE_FOREACH(q, &req_wrap_queue) {
1289 ReqWrap<uv_req_t>* w = container_of(q, ReqWrap<uv_req_t>, req_wrap_queue_);
1290 if (w->persistent().IsEmpty()) continue;
1291 ary->Set(i++, w->object());
1294 args.GetReturnValue().Set(ary);
1298 // Non-static, friend of HandleWrap. Could have been a HandleWrap method but
1299 // implemented here for consistency with GetActiveRequests().
1300 void GetActiveHandles(const FunctionCallbackInfo<Value>& args) {
1301 HandleScope scope(node_isolate);
1303 Local<Array> ary = Array::New();
1307 Local<String> owner_sym = String::New("owner");
1309 QUEUE_FOREACH(q, &handle_wrap_queue) {
1310 HandleWrap* w = container_of(q, HandleWrap, handle_wrap_queue_);
1311 if (w->persistent().IsEmpty() || (w->flags_ & HandleWrap::kUnref)) continue;
1312 Local<Object> object = w->object();
1313 Local<Value> owner = object->Get(owner_sym);
1314 if (owner->IsUndefined()) owner = object;
1315 ary->Set(i++, owner);
1318 args.GetReturnValue().Set(ary);
1322 static void Abort(const FunctionCallbackInfo<Value>& args) {
1327 static void Chdir(const FunctionCallbackInfo<Value>& args) {
1328 HandleScope scope(node_isolate);
1330 if (args.Length() != 1 || !args[0]->IsString()) {
1331 return ThrowError("Bad argument."); // FIXME(bnoordhuis) ThrowTypeError?
1334 String::Utf8Value path(args[0]);
1335 int err = uv_chdir(*path);
1337 return ThrowUVException(err, "uv_chdir");
1342 static void Cwd(const FunctionCallbackInfo<Value>& args) {
1343 HandleScope scope(node_isolate);
1345 /* MAX_PATH is in characters, not bytes. Make sure we have enough headroom. */
1346 char buf[MAX_PATH * 4 + 1];
1348 char buf[PATH_MAX + 1];
1351 int err = uv_cwd(buf, ARRAY_SIZE(buf) - 1);
1353 return ThrowUVException(err, "uv_cwd");
1356 buf[ARRAY_SIZE(buf) - 1] = '\0';
1357 Local<String> cwd = String::New(buf);
1359 args.GetReturnValue().Set(cwd);
1363 static void Umask(const FunctionCallbackInfo<Value>& args) {
1364 HandleScope scope(node_isolate);
1367 if (args.Length() < 1 || args[0]->IsUndefined()) {
1369 umask(static_cast<mode_t>(old));
1370 } else if (!args[0]->IsInt32() && !args[0]->IsString()) {
1371 return ThrowTypeError("argument must be an integer or octal string.");
1374 if (args[0]->IsInt32()) {
1375 oct = args[0]->Uint32Value();
1378 String::Utf8Value str(args[0]);
1380 // Parse the octal string.
1381 for (int i = 0; i < str.length(); i++) {
1383 if (c > '7' || c < '0') {
1384 return ThrowTypeError("invalid octal string");
1390 old = umask(static_cast<mode_t>(oct));
1393 args.GetReturnValue().Set(old);
1397 #if defined(__POSIX__) && !defined(__ANDROID__)
1399 static const uid_t uid_not_found = static_cast<uid_t>(-1);
1400 static const gid_t gid_not_found = static_cast<gid_t>(-1);
1403 static uid_t uid_by_name(const char* name) {
1411 if (getpwnam_r(name, &pwd, buf, sizeof(buf), &pp) == 0 && pp != NULL) {
1415 return uid_not_found;
1419 static char* name_by_uid(uid_t uid) {
1428 if ((rc = getpwuid_r(uid, &pwd, buf, sizeof(buf), &pp)) == 0 && pp != NULL) {
1429 return strdup(pp->pw_name);
1440 static gid_t gid_by_name(const char* name) {
1448 if (getgrnam_r(name, &pwd, buf, sizeof(buf), &pp) == 0 && pp != NULL) {
1452 return gid_not_found;
1456 #if 0 // For future use.
1457 static const char* name_by_gid(gid_t gid) {
1466 if ((rc = getgrgid_r(gid, &pwd, buf, sizeof(buf), &pp)) == 0 && pp != NULL) {
1467 return strdup(pp->gr_name);
1479 static uid_t uid_by_name(Handle<Value> value) {
1480 if (value->IsUint32()) {
1481 return static_cast<uid_t>(value->Uint32Value());
1483 String::Utf8Value name(value);
1484 return uid_by_name(*name);
1489 static gid_t gid_by_name(Handle<Value> value) {
1490 if (value->IsUint32()) {
1491 return static_cast<gid_t>(value->Uint32Value());
1493 String::Utf8Value name(value);
1494 return gid_by_name(*name);
1499 static void GetUid(const FunctionCallbackInfo<Value>& args) {
1500 args.GetReturnValue().Set(getuid());
1504 static void GetGid(const FunctionCallbackInfo<Value>& args) {
1505 args.GetReturnValue().Set(getgid());
1509 static void SetGid(const FunctionCallbackInfo<Value>& args) {
1510 HandleScope scope(node_isolate);
1512 if (!args[0]->IsUint32() && !args[0]->IsString()) {
1513 return ThrowTypeError("setgid argument must be a number or a string");
1516 gid_t gid = gid_by_name(args[0]);
1518 if (gid == gid_not_found) {
1519 return ThrowError("setgid group id does not exist");
1523 return ThrowErrnoException(errno, "setgid");
1528 static void SetUid(const FunctionCallbackInfo<Value>& args) {
1529 HandleScope scope(node_isolate);
1531 if (!args[0]->IsUint32() && !args[0]->IsString()) {
1532 return ThrowTypeError("setuid argument must be a number or a string");
1535 uid_t uid = uid_by_name(args[0]);
1537 if (uid == uid_not_found) {
1538 return ThrowError("setuid user id does not exist");
1542 return ThrowErrnoException(errno, "setuid");
1547 static void GetGroups(const FunctionCallbackInfo<Value>& args) {
1548 HandleScope scope(node_isolate);
1550 int ngroups = getgroups(0, NULL);
1552 if (ngroups == -1) {
1553 return ThrowErrnoException(errno, "getgroups");
1556 gid_t* groups = new gid_t[ngroups];
1558 ngroups = getgroups(ngroups, groups);
1560 if (ngroups == -1) {
1562 return ThrowErrnoException(errno, "getgroups");
1565 Local<Array> groups_list = Array::New(ngroups);
1566 bool seen_egid = false;
1567 gid_t egid = getegid();
1569 for (int i = 0; i < ngroups; i++) {
1570 groups_list->Set(i, Integer::New(groups[i], node_isolate));
1571 if (groups[i] == egid) seen_egid = true;
1576 if (seen_egid == false) {
1577 groups_list->Set(ngroups, Integer::New(egid, node_isolate));
1580 args.GetReturnValue().Set(groups_list);
1584 static void SetGroups(const FunctionCallbackInfo<Value>& args) {
1585 HandleScope scope(node_isolate);
1587 if (!args[0]->IsArray()) {
1588 return ThrowTypeError("argument 1 must be an array");
1591 Local<Array> groups_list = args[0].As<Array>();
1592 size_t size = groups_list->Length();
1593 gid_t* groups = new gid_t[size];
1595 for (size_t i = 0; i < size; i++) {
1596 gid_t gid = gid_by_name(groups_list->Get(i));
1598 if (gid == gid_not_found) {
1600 return ThrowError("group name not found");
1606 int rc = setgroups(size, groups);
1610 return ThrowErrnoException(errno, "setgroups");
1615 static void InitGroups(const FunctionCallbackInfo<Value>& args) {
1616 HandleScope scope(node_isolate);
1618 if (!args[0]->IsUint32() && !args[0]->IsString()) {
1619 return ThrowTypeError("argument 1 must be a number or a string");
1622 if (!args[1]->IsUint32() && !args[1]->IsString()) {
1623 return ThrowTypeError("argument 2 must be a number or a string");
1626 String::Utf8Value arg0(args[0]);
1631 if (args[0]->IsUint32()) {
1632 user = name_by_uid(args[0]->Uint32Value());
1640 return ThrowError("initgroups user not found");
1643 extra_group = gid_by_name(args[1]);
1645 if (extra_group == gid_not_found) {
1646 if (must_free) free(user);
1647 return ThrowError("initgroups extra group not found");
1650 int rc = initgroups(user, extra_group);
1657 return ThrowErrnoException(errno, "initgroups");
1661 #endif // __POSIX__ && !defined(__ANDROID__)
1664 void Exit(const FunctionCallbackInfo<Value>& args) {
1665 HandleScope scope(node_isolate);
1666 exit(args[0]->IntegerValue());
1670 static void Uptime(const FunctionCallbackInfo<Value>& args) {
1671 HandleScope scope(node_isolate);
1673 if (uv_uptime(&uptime)) return;
1674 args.GetReturnValue().Set(uptime - prog_start_time);
1678 void MemoryUsage(const FunctionCallbackInfo<Value>& args) {
1679 HandleScope scope(node_isolate);
1683 int err = uv_resident_set_memory(&rss);
1685 return ThrowUVException(err, "uv_resident_set_memory");
1688 Local<Object> info = Object::New();
1690 if (rss_symbol.IsEmpty()) {
1691 rss_symbol = String::New("rss");
1692 heap_total_symbol = String::New("heapTotal");
1693 heap_used_symbol = String::New("heapUsed");
1696 info->Set(rss_symbol, Number::New(rss));
1699 HeapStatistics v8_heap_stats;
1700 node_isolate->GetHeapStatistics(&v8_heap_stats);
1701 info->Set(heap_total_symbol,
1702 Integer::NewFromUnsigned(v8_heap_stats.total_heap_size(),
1704 info->Set(heap_used_symbol,
1705 Integer::NewFromUnsigned(v8_heap_stats.used_heap_size(),
1708 args.GetReturnValue().Set(info);
1712 void Kill(const FunctionCallbackInfo<Value>& args) {
1713 HandleScope scope(node_isolate);
1715 if (args.Length() != 2) {
1716 return ThrowError("Bad argument.");
1719 int pid = args[0]->IntegerValue();
1720 int sig = args[1]->Int32Value();
1721 int err = uv_kill(pid, sig);
1722 args.GetReturnValue().Set(err);
1725 // used in Hrtime() below
1726 #define NANOS_PER_SEC 1000000000
1728 // Hrtime exposes libuv's uv_hrtime() high-resolution timer.
1729 // The value returned by uv_hrtime() is a 64-bit int representing nanoseconds,
1730 // so this function instead returns an Array with 2 entries representing seconds
1731 // and nanoseconds, to avoid any integer overflow possibility.
1732 // Pass in an Array from a previous hrtime() call to instead get a time diff.
1733 void Hrtime(const FunctionCallbackInfo<Value>& args) {
1734 HandleScope scope(node_isolate);
1736 uint64_t t = uv_hrtime();
1738 if (args.Length() > 0) {
1739 // return a time diff tuple
1740 if (!args[0]->IsArray()) {
1741 return ThrowTypeError("process.hrtime() only accepts an Array tuple.");
1743 Local<Array> inArray = Local<Array>::Cast(args[0]);
1744 uint64_t seconds = inArray->Get(0)->Uint32Value();
1745 uint64_t nanos = inArray->Get(1)->Uint32Value();
1746 t -= (seconds * NANOS_PER_SEC) + nanos;
1749 Local<Array> tuple = Array::New(2);
1750 tuple->Set(0, Integer::NewFromUnsigned(t / NANOS_PER_SEC, node_isolate));
1751 tuple->Set(1, Integer::NewFromUnsigned(t % NANOS_PER_SEC, node_isolate));
1752 args.GetReturnValue().Set(tuple);
1756 typedef void (UV_DYNAMIC* extInit)(Handle<Object> exports);
1758 // DLOpen is process.dlopen(module, filename).
1759 // Used to load 'module.node' dynamically shared objects.
1760 void DLOpen(const FunctionCallbackInfo<Value>& args) {
1761 HandleScope scope(node_isolate);
1762 char symbol[1024], *base, *pos;
1766 if (args.Length() < 2) {
1767 return ThrowError("process.dlopen takes exactly 2 arguments.");
1770 Local<Object> module = args[0]->ToObject(); // Cast
1771 String::Utf8Value filename(args[1]); // Cast
1773 if (exports_symbol.IsEmpty()) {
1774 exports_symbol = String::New("exports");
1776 Local<Object> exports = module->Get(exports_symbol)->ToObject();
1778 if (uv_dlopen(*filename, &lib)) {
1779 Local<String> errmsg = String::New(uv_dlerror(&lib));
1781 // Windows needs to add the filename into the error message
1782 errmsg = String::Concat(errmsg, args[1]->ToString());
1784 ThrowException(Exception::Error(errmsg));
1788 String::Utf8Value path(args[1]);
1791 /* Find the shared library filename within the full path. */
1793 pos = strrchr(base, '/');
1799 pos = strpbrk(base, "\\/:");
1807 /* Strip the .node extension. */
1808 pos = strrchr(base, '.');
1813 /* Add the `_module` suffix to the extension name. */
1814 r = snprintf(symbol, sizeof symbol, "%s_module", base);
1815 if (r <= 0 || static_cast<size_t>(r) >= sizeof symbol) {
1816 return ThrowError("Out of memory.");
1819 /* Replace dashes with underscores. When loading foo-bar.node,
1820 * look for foo_bar_module, not foo-bar_module.
1822 for (pos = symbol; *pos != '\0'; ++pos) {
1823 if (*pos == '-') *pos = '_';
1826 node_module_struct *mod;
1827 if (uv_dlsym(&lib, symbol, reinterpret_cast<void**>(&mod))) {
1829 snprintf(errmsg, sizeof(errmsg), "Symbol %s not found.", symbol);
1830 return ThrowError(errmsg);
1833 if (mod->version != NODE_MODULE_VERSION) {
1837 "Module version mismatch. Expected %d, got %d.",
1838 NODE_MODULE_VERSION, mod->version);
1839 return ThrowError(errmsg);
1842 // Execute the C++ module
1843 mod->register_func(exports, module);
1845 // Tell coverity that 'handle' should not be freed when we return.
1846 // coverity[leaked_storage]
1850 static void OnFatalError(const char* location, const char* message) {
1852 fprintf(stderr, "FATAL ERROR: %s %s\n", location, message);
1854 fprintf(stderr, "FATAL ERROR: %s\n", message);
1864 NO_RETURN void FatalError(const char* location, const char* message) {
1865 OnFatalError(location, message);
1866 // to supress compiler warning
1871 void FatalException(Handle<Value> error, Handle<Message> message) {
1872 HandleScope scope(node_isolate);
1874 if (fatal_exception_symbol.IsEmpty())
1875 fatal_exception_symbol = String::New("_fatalException");
1877 Local<Object> process = PersistentToLocal(process_p);
1878 Local<Value> fatal_v = process->Get(fatal_exception_symbol);
1880 if (!fatal_v->IsFunction()) {
1881 // failed before the process._fatalException function was added!
1882 // this is probably pretty bad. Nothing to do but report and exit.
1883 ReportException(error, message);
1887 Local<Function> fatal_f = Local<Function>::Cast(fatal_v);
1889 TryCatch fatal_try_catch;
1891 // Do not call FatalException when _fatalException handler throws
1892 fatal_try_catch.SetVerbose(false);
1894 // this will return true if the JS layer handled it, false otherwise
1895 Local<Value> caught = fatal_f->Call(process, 1, &error);
1897 if (fatal_try_catch.HasCaught()) {
1898 // the fatal exception function threw, so we must exit
1899 ReportException(fatal_try_catch);
1903 if (false == caught->BooleanValue()) {
1904 ReportException(error, message);
1910 void FatalException(const TryCatch& try_catch) {
1911 HandleScope scope(node_isolate);
1912 // TODO(bajtos) do not call FatalException if try_catch is verbose
1913 // (requires V8 API to expose getter for try_catch.is_verbose_)
1914 FatalException(try_catch.Exception(), try_catch.Message());
1918 void OnMessage(Handle<Message> message, Handle<Value> error) {
1919 // The current version of V8 sends messages for errors only
1920 // (thus `error` is always set).
1921 FatalException(error, message);
1925 static void Binding(const FunctionCallbackInfo<Value>& args) {
1926 HandleScope scope(node_isolate);
1928 Local<String> module = args[0]->ToString();
1929 String::Utf8Value module_v(module);
1930 node_module_struct* modp;
1932 Local<Object> cache = PersistentToLocal(binding_cache);
1933 Local<Object> exports;
1935 if (cache->Has(module)) {
1936 exports = cache->Get(module)->ToObject();
1937 args.GetReturnValue().Set(exports);
1941 // Append a string to process.moduleLoadList
1943 snprintf(buf, sizeof(buf), "Binding %s", *module_v);
1945 Local<Array> modules = PersistentToLocal(module_load_list);
1946 uint32_t l = modules->Length();
1947 modules->Set(l, String::New(buf));
1949 if ((modp = get_builtin_module(*module_v)) != NULL) {
1950 exports = Object::New();
1951 // Internal bindings don't have a "module" object,
1953 modp->register_func(exports, Undefined(node_isolate));
1954 cache->Set(module, exports);
1955 } else if (!strcmp(*module_v, "constants")) {
1956 exports = Object::New();
1957 DefineConstants(exports);
1958 cache->Set(module, exports);
1959 } else if (!strcmp(*module_v, "natives")) {
1960 exports = Object::New();
1961 DefineJavaScript(exports);
1962 cache->Set(module, exports);
1964 return ThrowError("No such module");
1967 args.GetReturnValue().Set(exports);
1971 static void ProcessTitleGetter(Local<String> property,
1972 const PropertyCallbackInfo<Value>& info) {
1973 HandleScope scope(node_isolate);
1975 uv_get_process_title(buffer, sizeof(buffer));
1976 info.GetReturnValue().Set(String::New(buffer));
1980 static void ProcessTitleSetter(Local<String> property,
1982 const PropertyCallbackInfo<void>& info) {
1983 HandleScope scope(node_isolate);
1984 String::Utf8Value title(value);
1985 // TODO(piscisaureus): protect with a lock
1986 uv_set_process_title(*title);
1990 static void EnvGetter(Local<String> property,
1991 const PropertyCallbackInfo<Value>& info) {
1992 HandleScope scope(node_isolate);
1994 String::Utf8Value key(property);
1995 const char* val = getenv(*key);
1997 return info.GetReturnValue().Set(String::New(val));
2000 String::Value key(property);
2001 WCHAR buffer[32767]; // The maximum size allowed for environment variables.
2002 DWORD result = GetEnvironmentVariableW(reinterpret_cast<WCHAR*>(*key),
2004 ARRAY_SIZE(buffer));
2005 // If result >= sizeof buffer the buffer was too small. That should never
2006 // happen. If result == 0 and result != ERROR_SUCCESS the variable was not
2008 if ((result > 0 || GetLastError() == ERROR_SUCCESS) &&
2009 result < ARRAY_SIZE(buffer)) {
2010 return info.GetReturnValue().Set(
2011 String::New(reinterpret_cast<uint16_t*>(buffer), result));
2014 // Not found. Fetch from prototype.
2015 info.GetReturnValue().Set(
2016 info.Data().As<Object>()->Get(property));
2020 static void EnvSetter(Local<String> property,
2022 const PropertyCallbackInfo<Value>& info) {
2023 HandleScope scope(node_isolate);
2025 String::Utf8Value key(property);
2026 String::Utf8Value val(value);
2027 setenv(*key, *val, 1);
2029 String::Value key(property);
2030 String::Value val(value);
2031 WCHAR* key_ptr = reinterpret_cast<WCHAR*>(*key);
2032 // Environment variables that start with '=' are read-only.
2033 if (key_ptr[0] != L'=') {
2034 SetEnvironmentVariableW(key_ptr, reinterpret_cast<WCHAR*>(*val));
2037 // Whether it worked or not, always return rval.
2038 info.GetReturnValue().Set(value);
2042 static void EnvQuery(Local<String> property,
2043 const PropertyCallbackInfo<Integer>& info) {
2044 HandleScope scope(node_isolate);
2045 int32_t rc = -1; // Not found unless proven otherwise.
2047 String::Utf8Value key(property);
2048 if (getenv(*key)) rc = 0;
2050 String::Value key(property);
2051 WCHAR* key_ptr = reinterpret_cast<WCHAR*>(*key);
2052 if (GetEnvironmentVariableW(key_ptr, NULL, 0) > 0 ||
2053 GetLastError() == ERROR_SUCCESS) {
2055 if (key_ptr[0] == L'=') {
2056 // Environment variables that start with '=' are hidden and read-only.
2057 rc = static_cast<int32_t>(v8::ReadOnly) |
2058 static_cast<int32_t>(v8::DontDelete) |
2059 static_cast<int32_t>(v8::DontEnum);
2063 if (rc != -1) info.GetReturnValue().Set(rc);
2067 static void EnvDeleter(Local<String> property,
2068 const PropertyCallbackInfo<Boolean>& info) {
2069 HandleScope scope(node_isolate);
2072 String::Utf8Value key(property);
2073 rc = getenv(*key) != NULL;
2074 if (rc) unsetenv(*key);
2076 String::Value key(property);
2077 WCHAR* key_ptr = reinterpret_cast<WCHAR*>(*key);
2078 if (key_ptr[0] == L'=' || !SetEnvironmentVariableW(key_ptr, NULL)) {
2079 // Deletion failed. Return true if the key wasn't there in the first place,
2080 // false if it is still there.
2081 rc = GetEnvironmentVariableW(key_ptr, NULL, NULL) == 0 &&
2082 GetLastError() != ERROR_SUCCESS;
2085 info.GetReturnValue().Set(rc);
2089 static void EnvEnumerator(const PropertyCallbackInfo<Array>& info) {
2090 HandleScope scope(node_isolate);
2093 while (environ[size]) size++;
2095 Local<Array> env = Array::New(size);
2097 for (int i = 0; i < size; ++i) {
2098 const char* var = environ[i];
2099 const char* s = strchr(var, '=');
2100 const int length = s ? s - var : strlen(var);
2101 env->Set(i, String::New(var, length));
2104 WCHAR* environment = GetEnvironmentStringsW();
2105 if (environment == NULL) return; // This should not happen.
2106 Local<Array> env = Array::New();
2107 WCHAR* p = environment;
2109 while (*p != NULL) {
2112 // If the key starts with '=' it is a hidden environment variable.
2116 s = wcschr(p, L'=');
2121 env->Set(i++, String::New(reinterpret_cast<uint16_t*>(p), s - p));
2122 p = s + wcslen(s) + 1;
2124 FreeEnvironmentStringsW(environment);
2127 info.GetReturnValue().Set(env);
2131 static Handle<Object> GetFeatures() {
2132 HandleScope scope(node_isolate);
2134 Local<Object> obj = Object::New();
2135 #if defined(DEBUG) && DEBUG
2136 Local<Value> debug = True(node_isolate);
2138 Local<Value> debug = False(node_isolate);
2139 #endif // defined(DEBUG) && DEBUG
2141 obj->Set(String::NewSymbol("debug"), debug);
2143 obj->Set(String::NewSymbol("uv"), True(node_isolate));
2144 // TODO(bnoordhuis) ping libuv
2145 obj->Set(String::NewSymbol("ipv6"), True(node_isolate));
2146 obj->Set(String::NewSymbol("tls_npn"), Boolean::New(use_npn));
2147 obj->Set(String::NewSymbol("tls_sni"), Boolean::New(use_sni));
2148 obj->Set(String::NewSymbol("tls"),
2149 Boolean::New(get_builtin_module("crypto") != NULL));
2151 return scope.Close(obj);
2155 static void DebugPortGetter(Local<String> property,
2156 const PropertyCallbackInfo<Value>& info) {
2157 HandleScope scope(node_isolate);
2158 info.GetReturnValue().Set(debug_port);
2162 static void DebugPortSetter(Local<String> property,
2164 const PropertyCallbackInfo<void>& info) {
2165 HandleScope scope(node_isolate);
2166 debug_port = value->NumberValue();
2170 static void DebugProcess(const FunctionCallbackInfo<Value>& args);
2171 static void DebugPause(const FunctionCallbackInfo<Value>& args);
2172 static void DebugEnd(const FunctionCallbackInfo<Value>& args);
2175 void NeedImmediateCallbackGetter(Local<String> property,
2176 const PropertyCallbackInfo<Value>& info) {
2177 info.GetReturnValue().Set(need_immediate_cb);
2181 static void NeedImmediateCallbackSetter(Local<String> property,
2183 const PropertyCallbackInfo<void>&) {
2184 HandleScope scope(node_isolate);
2186 bool bool_value = value->BooleanValue();
2188 if (need_immediate_cb == bool_value) return;
2190 need_immediate_cb = bool_value;
2192 if (need_immediate_cb) {
2193 uv_check_start(&check_immediate_watcher, node::CheckImmediate);
2194 // idle handle is needed only to maintain event loop
2195 uv_idle_start(&idle_immediate_dummy, node::IdleImmediateDummy);
2197 uv_check_stop(&check_immediate_watcher);
2198 uv_idle_stop(&idle_immediate_dummy);
2203 Handle<Object> SetupProcessObject(int argc, char *argv[]) {
2204 HandleScope scope(node_isolate);
2208 Local<FunctionTemplate> process_template = FunctionTemplate::New();
2209 process_template->SetClassName(String::New("process"));
2211 Local<Object> process = process_template->GetFunction()->NewInstance();
2212 assert(process.IsEmpty() == false);
2213 assert(process->IsObject() == true);
2215 process_p.Reset(node_isolate, process);
2217 process->SetAccessor(String::New("title"),
2219 ProcessTitleSetter);
2222 process->Set(String::NewSymbol("version"), String::New(NODE_VERSION));
2224 // process.moduleLoadList
2225 Local<Array> modules = Array::New();
2226 module_load_list.Reset(node_isolate, modules);
2227 process->Set(String::NewSymbol("moduleLoadList"), modules);
2230 Local<Object> versions = Object::New();
2231 process->Set(String::NewSymbol("versions"), versions);
2232 versions->Set(String::NewSymbol("http_parser"), String::New(
2233 NODE_STRINGIFY(HTTP_PARSER_VERSION_MAJOR) "."
2234 NODE_STRINGIFY(HTTP_PARSER_VERSION_MINOR)));
2235 // +1 to get rid of the leading 'v'
2236 versions->Set(String::NewSymbol("node"), String::New(NODE_VERSION+1));
2237 versions->Set(String::NewSymbol("v8"), String::New(V8::GetVersion()));
2238 versions->Set(String::NewSymbol("ares"), String::New(ARES_VERSION_STR));
2239 versions->Set(String::NewSymbol("uv"), String::New(uv_version_string()));
2240 versions->Set(String::NewSymbol("zlib"), String::New(ZLIB_VERSION));
2241 versions->Set(String::NewSymbol("modules"),
2242 String::New(NODE_STRINGIFY(NODE_MODULE_VERSION)));
2244 // Stupid code to slice out the version string.
2245 int c, l = strlen(OPENSSL_VERSION_TEXT);
2246 for (i = j = 0; i < l; i++) {
2247 c = OPENSSL_VERSION_TEXT[i];
2248 if ('0' <= c && c <= '9') {
2249 for (j = i + 1; j < l; j++) {
2250 c = OPENSSL_VERSION_TEXT[j];
2251 if (c == ' ') break;
2256 versions->Set(String::NewSymbol("openssl"),
2257 String::New(&OPENSSL_VERSION_TEXT[i], j - i));
2263 process->Set(String::NewSymbol("arch"), String::New(ARCH));
2266 process->Set(String::NewSymbol("platform"), String::New(PLATFORM));
2269 Local<Array> arguments = Array::New(argc - option_end_index + 1);
2270 arguments->Set(Integer::New(0, node_isolate), String::New(argv[0]));
2271 for (j = 1, i = option_end_index; i < argc; j++, i++) {
2272 Local<String> arg = String::New(argv[i]);
2273 arguments->Set(Integer::New(j, node_isolate), arg);
2276 process->Set(String::NewSymbol("argv"), arguments);
2279 Local<Array> execArgv = Array::New(option_end_index - 1);
2280 for (j = 1, i = 0; j < option_end_index; j++, i++) {
2281 execArgv->Set(Integer::New(i, node_isolate), String::New(argv[j]));
2284 process->Set(String::NewSymbol("execArgv"), execArgv);
2287 // create process.env
2288 Local<ObjectTemplate> envTemplate = ObjectTemplate::New();
2289 envTemplate->SetNamedPropertyHandler(EnvGetter,
2295 Local<Object> env = envTemplate->NewInstance();
2296 process->Set(String::NewSymbol("env"), env);
2298 process->Set(String::NewSymbol("pid"), Integer::New(getpid(), node_isolate));
2299 process->Set(String::NewSymbol("features"), GetFeatures());
2300 process->SetAccessor(String::New("_needImmediateCallback"),
2301 NeedImmediateCallbackGetter,
2302 NeedImmediateCallbackSetter);
2306 process->Set(String::NewSymbol("_eval"), String::New(eval_string));
2311 process->Set(String::NewSymbol("_print_eval"), True(node_isolate));
2314 // -i, --interactive
2316 process->Set(String::NewSymbol("_forceRepl"), True(node_isolate));
2320 if (no_deprecation) {
2321 process->Set(String::NewSymbol("noDeprecation"), True(node_isolate));
2324 // --throw-deprecation
2325 if (throw_deprecation) {
2326 process->Set(String::NewSymbol("throwDeprecation"), True(node_isolate));
2329 // --trace-deprecation
2330 if (trace_deprecation) {
2331 process->Set(String::NewSymbol("traceDeprecation"), True(node_isolate));
2334 size_t size = 2*PATH_MAX;
2335 char* execPath = new char[size];
2336 if (uv_exepath(execPath, &size) != 0) {
2337 // as a last ditch effort, fallback on argv[0] ?
2338 process->Set(String::NewSymbol("execPath"), String::New(argv[0]));
2340 process->Set(String::NewSymbol("execPath"), String::New(execPath, size));
2344 process->SetAccessor(String::New("debugPort"),
2349 // define various internal methods
2350 NODE_SET_METHOD(process, "_getActiveRequests", GetActiveRequests);
2351 NODE_SET_METHOD(process, "_getActiveHandles", GetActiveHandles);
2352 NODE_SET_METHOD(process, "reallyExit", Exit);
2353 NODE_SET_METHOD(process, "abort", Abort);
2354 NODE_SET_METHOD(process, "chdir", Chdir);
2355 NODE_SET_METHOD(process, "cwd", Cwd);
2357 NODE_SET_METHOD(process, "umask", Umask);
2359 #if defined(__POSIX__) && !defined(__ANDROID__)
2360 NODE_SET_METHOD(process, "getuid", GetUid);
2361 NODE_SET_METHOD(process, "setuid", SetUid);
2363 NODE_SET_METHOD(process, "setgid", SetGid);
2364 NODE_SET_METHOD(process, "getgid", GetGid);
2366 NODE_SET_METHOD(process, "getgroups", GetGroups);
2367 NODE_SET_METHOD(process, "setgroups", SetGroups);
2368 NODE_SET_METHOD(process, "initgroups", InitGroups);
2369 #endif // __POSIX__ && !defined(__ANDROID__)
2371 NODE_SET_METHOD(process, "_kill", Kill);
2373 NODE_SET_METHOD(process, "_debugProcess", DebugProcess);
2374 NODE_SET_METHOD(process, "_debugPause", DebugPause);
2375 NODE_SET_METHOD(process, "_debugEnd", DebugEnd);
2377 NODE_SET_METHOD(process, "hrtime", Hrtime);
2379 NODE_SET_METHOD(process, "dlopen", DLOpen);
2381 NODE_SET_METHOD(process, "uptime", Uptime);
2382 NODE_SET_METHOD(process, "memoryUsage", MemoryUsage);
2384 NODE_SET_METHOD(process, "binding", Binding);
2386 NODE_SET_METHOD(process, "_setupDomainUse", SetupDomainUse);
2388 // values use to cross communicate with processNextTick
2389 Local<Object> info_box = Object::New();
2390 info_box->SetIndexedPropertiesToExternalArrayData(&tick_infobox,
2391 kExternalUnsignedIntArray,
2393 process->Set(String::NewSymbol("_tickInfoBox"), info_box);
2395 // pre-set _events object for faster emit checks
2396 process->Set(String::NewSymbol("_events"), Object::New());
2398 return scope.Close(process);
2402 static void AtExit() {
2403 uv_tty_reset_mode();
2407 static void SignalExit(int signal) {
2408 uv_tty_reset_mode();
2409 _exit(128 + signal);
2413 void Load(Handle<Object> process_l) {
2414 HandleScope handle_scope(node_isolate);
2416 process_symbol = String::New("process");
2417 domain_symbol = String::New("domain");
2419 // Compile, execute the src/node.js file. (Which was included as static C
2420 // string in node_natives.h. 'natve_node' is the string containing that
2423 // The node.js file returns a function 'f'
2428 // Disable verbose mode to stop FatalException() handler from trying
2429 // to handle the exception. Errors this early in the start-up phase
2430 // are not safe to ignore.
2431 try_catch.SetVerbose(false);
2433 Local<Value> f_value = ExecuteString(MainSource(), String::New("node.js"));
2434 if (try_catch.HasCaught()) {
2435 ReportException(try_catch);
2438 assert(f_value->IsFunction());
2439 Local<Function> f = Local<Function>::Cast(f_value);
2441 // Now we call 'f' with the 'process' variable that we've built up with
2442 // all our bindings. Inside node.js we'll take care of assigning things to
2445 // We start the process this way in order to be more modular. Developers
2446 // who do not like how 'src/node.js' setups the module system but do like
2447 // Node's I/O bindings may want to replace 'f' with their own function.
2449 // Add a reference to the global object
2450 Local<Object> global = v8::Context::GetCurrent()->Global();
2452 #if defined HAVE_DTRACE || defined HAVE_ETW || defined HAVE_SYSTEMTAP
2456 #if defined HAVE_PERFCTR
2457 InitPerfCounters(global);
2460 // Enable handling of uncaught exceptions
2461 // (FatalException(), break on uncaught exception in debugger)
2463 // This is not strictly necessary since it's almost impossible
2464 // to attach the debugger fast enought to break on exception
2465 // thrown during process startup.
2466 try_catch.SetVerbose(true);
2468 Local<Value> arg = process_l;
2469 f->Call(global, 1, &arg);
2472 static void PrintHelp();
2474 static void ParseDebugOpt(const char* arg) {
2477 if (strstr(arg, "--debug-port=") == arg) {
2478 p = 1 + strchr(arg, '=');
2479 debug_port = atoi(p);
2481 use_debug_agent = true;
2482 if (!strcmp(arg, "--debug-brk")) {
2483 debug_wait_connect = true;
2485 } else if (!strcmp(arg, "--debug")) {
2487 } else if (strstr(arg, "--debug-brk=") == arg) {
2488 debug_wait_connect = true;
2489 p = 1 + strchr(arg, '=');
2490 debug_port = atoi(p);
2491 } else if (strstr(arg, "--debug=") == arg) {
2492 p = 1 + strchr(arg, '=');
2493 debug_port = atoi(p);
2496 if (p && debug_port > 1024 && debug_port < 65536)
2499 fprintf(stderr, "Bad debug option.\n");
2500 if (p) fprintf(stderr, "Debug port must be in range 1025 to 65535.\n");
2506 static void PrintHelp() {
2507 printf("Usage: node [options] [ -e script | script.js ] [arguments] \n"
2508 " node debug script.js [arguments] \n"
2511 " -v, --version print node's version\n"
2512 " -e, --eval script evaluate script\n"
2513 " -p, --print evaluate script and print result\n"
2514 " -i, --interactive always enter the REPL even if stdin\n"
2515 " does not appear to be a terminal\n"
2516 " --no-deprecation silence deprecation warnings\n"
2517 " --trace-deprecation show stack traces on deprecations\n"
2518 " --v8-options print v8 command line options\n"
2519 " --max-stack-size=val set max v8 stack size (bytes)\n"
2521 "Environment variables:\n"
2523 "NODE_PATH ';'-separated list of directories\n"
2525 "NODE_PATH ':'-separated list of directories\n"
2527 " prefixed to the module search path.\n"
2528 "NODE_MODULE_CONTEXTS Set to 1 to load modules in their own\n"
2529 " global contexts.\n"
2530 "NODE_DISABLE_COLORS Set to 1 to disable colors in the REPL\n"
2532 "Documentation can be found at http://nodejs.org/\n");
2536 // Parse node command line arguments.
2537 static void ParseArgs(int argc, char **argv) {
2540 // TODO(bnoordhuis) use parse opts
2541 for (i = 1; i < argc; i++) {
2542 const char *arg = argv[i];
2543 if (strstr(arg, "--debug") == arg) {
2545 argv[i] = const_cast<char*>("");
2546 } else if (strcmp(arg, "--version") == 0 || strcmp(arg, "-v") == 0) {
2547 printf("%s\n", NODE_VERSION);
2549 } else if (strstr(arg, "--max-stack-size=") == arg) {
2551 p = 1 + strchr(arg, '=');
2552 max_stack_size = atoi(p);
2553 argv[i] = const_cast<char*>("");
2554 } else if (strcmp(arg, "--help") == 0 || strcmp(arg, "-h") == 0) {
2557 } else if (strcmp(arg, "--eval") == 0 ||
2558 strcmp(arg, "-e") == 0 ||
2559 strcmp(arg, "--print") == 0 ||
2560 strcmp(arg, "-pe") == 0 ||
2561 strcmp(arg, "-p") == 0) {
2562 bool is_eval = strchr(arg, 'e') != NULL;
2563 bool is_print = strchr(arg, 'p') != NULL;
2565 // argument to -p and --print is optional
2566 if (is_eval == true && i + 1 >= argc) {
2567 fprintf(stderr, "Error: %s requires an argument\n", arg);
2571 print_eval = print_eval || is_print;
2572 argv[i] = const_cast<char*>("");
2574 // --eval, -e and -pe always require an argument
2575 if (is_eval == true) {
2576 eval_string = argv[++i];
2580 // next arg is the expression to evaluate unless it starts with:
2581 // - a dash, then it's another switch
2582 // - "\\-", then it's an escaped expression, drop the backslash
2583 if (argv[i + 1] == NULL) continue;
2584 if (argv[i + 1][0] == '-') continue;
2585 eval_string = argv[++i];
2586 if (strncmp(eval_string, "\\-", 2) == 0) ++eval_string;
2587 } else if (strcmp(arg, "--interactive") == 0 || strcmp(arg, "-i") == 0) {
2589 argv[i] = const_cast<char*>("");
2590 } else if (strcmp(arg, "--v8-options") == 0) {
2591 argv[i] = const_cast<char*>("--help");
2592 } else if (strcmp(arg, "--no-deprecation") == 0) {
2593 argv[i] = const_cast<char*>("");
2594 no_deprecation = true;
2595 } else if (strcmp(arg, "--trace-deprecation") == 0) {
2596 argv[i] = const_cast<char*>("");
2597 trace_deprecation = true;
2598 } else if (strcmp(arg, "--throw-deprecation") == 0) {
2599 argv[i] = const_cast<char*>("");
2600 throw_deprecation = true;
2601 } else if (argv[i][0] != '-') {
2606 option_end_index = i;
2610 // Called from the main thread.
2611 static void DispatchDebugMessagesAsyncCallback(uv_async_t* handle, int status) {
2612 v8::Debug::ProcessDebugMessages();
2616 // Called from V8 Debug Agent TCP thread.
2617 static void DispatchMessagesDebugAgentCallback() {
2618 uv_async_send(&dispatch_debug_messages_async);
2622 // Called from the main thread
2623 static void EmitDebugEnabledAsyncCallback(uv_async_t* handle, int status) {
2624 HandleScope handle_scope(node_isolate);
2625 Local<Object> obj = Object::New();
2626 obj->Set(String::New("cmd"), String::New("NODE_DEBUG_ENABLED"));
2627 Local<Value> args[] = { String::New("internalMessage"), obj };
2628 MakeCallback(process_p, "emit", ARRAY_SIZE(args), args);
2632 // Called from the signal watcher callback
2633 static void EmitDebugEnabled() {
2634 uv_async_send(&emit_debug_enabled_async);
2638 static void EnableDebug(bool wait_connect) {
2639 // If we're called from another thread, make sure to enter the right
2641 node_isolate->Enter();
2643 v8::Debug::SetDebugMessageDispatchHandler(DispatchMessagesDebugAgentCallback,
2646 // Start the debug thread and it's associated TCP server on port 5858.
2647 bool r = v8::Debug::EnableAgent("node " NODE_VERSION,
2651 // Crappy check that everything went well. FIXME
2654 // Print out some information.
2655 fprintf(stderr, "debugger listening on port %d\n", debug_port);
2658 debugger_running = true;
2660 // Do not emit NODE_DEBUG_ENABLED when debugger is enabled before starting
2661 // the main process (i.e. when called via `node --debug`)
2662 if (!process_p.IsEmpty())
2665 node_isolate->Exit();
2670 static void EnableDebugSignalHandler(uv_signal_t* handle, int) {
2671 // Break once process will return execution to v8
2672 v8::Debug::DebugBreak(node_isolate);
2674 if (!debugger_running) {
2675 fprintf(stderr, "Hit SIGUSR1 - starting debugger agent.\n");
2681 static void RegisterSignalHandler(int signal, void (*handler)(int signal)) {
2682 struct sigaction sa;
2684 memset(&sa, 0, sizeof(sa));
2685 sa.sa_handler = handler;
2686 sigfillset(&sa.sa_mask);
2687 sigaction(signal, &sa, NULL);
2691 void DebugProcess(const FunctionCallbackInfo<Value>& args) {
2692 HandleScope scope(node_isolate);
2694 if (args.Length() != 1) {
2695 return ThrowError("Invalid number of arguments.");
2701 pid = args[0]->IntegerValue();
2702 r = kill(pid, SIGUSR1);
2704 return ThrowErrnoException(errno, "kill");
2711 DWORD WINAPI EnableDebugThreadProc(void* arg) {
2712 // Break once process will return execution to v8
2713 if (!debugger_running) {
2714 for (int i = 0; i < 1; i++) {
2715 fprintf(stderr, "Starting debugger agent.\r\n");
2721 v8::Debug::DebugBreak(node_isolate);
2727 static int GetDebugSignalHandlerMappingName(DWORD pid, wchar_t* buf,
2729 return _snwprintf(buf, buf_len, L"node-debug-handler-%u", pid);
2733 static int RegisterDebugSignalHandler() {
2734 wchar_t mapping_name[32];
2735 HANDLE mapping_handle;
2737 LPTHREAD_START_ROUTINE* handler;
2739 pid = GetCurrentProcessId();
2741 if (GetDebugSignalHandlerMappingName(pid,
2743 ARRAY_SIZE(mapping_name)) < 0) {
2747 mapping_handle = CreateFileMappingW(INVALID_HANDLE_VALUE,
2753 if (mapping_handle == NULL) {
2757 handler = reinterpret_cast<LPTHREAD_START_ROUTINE*>(
2758 MapViewOfFile(mapping_handle,
2759 FILE_MAP_ALL_ACCESS,
2763 if (handler == NULL) {
2764 CloseHandle(mapping_handle);
2768 *handler = EnableDebugThreadProc;
2770 UnmapViewOfFile(static_cast<void*>(handler));
2776 static void DebugProcess(const FunctionCallbackInfo<Value>& args) {
2777 HandleScope scope(node_isolate);
2779 HANDLE process = NULL;
2780 HANDLE thread = NULL;
2781 HANDLE mapping = NULL;
2782 wchar_t mapping_name[32];
2783 LPTHREAD_START_ROUTINE* handler = NULL;
2785 if (args.Length() != 1) {
2786 ThrowError("Invalid number of arguments.");
2790 pid = (DWORD) args[0]->IntegerValue();
2792 process = OpenProcess(PROCESS_CREATE_THREAD | PROCESS_QUERY_INFORMATION |
2793 PROCESS_VM_OPERATION | PROCESS_VM_WRITE |
2797 if (process == NULL) {
2798 ThrowException(WinapiErrnoException(GetLastError(), "OpenProcess"));
2802 if (GetDebugSignalHandlerMappingName(pid,
2804 ARRAY_SIZE(mapping_name)) < 0) {
2805 ThrowErrnoException(errno, "sprintf");
2809 mapping = OpenFileMappingW(FILE_MAP_READ, FALSE, mapping_name);
2810 if (mapping == NULL) {
2811 ThrowException(WinapiErrnoException(GetLastError(), "OpenFileMappingW"));
2815 handler = reinterpret_cast<LPTHREAD_START_ROUTINE*>(
2816 MapViewOfFile(mapping,
2821 if (handler == NULL || *handler == NULL) {
2822 ThrowException(WinapiErrnoException(GetLastError(), "MapViewOfFile"));
2826 thread = CreateRemoteThread(process,
2833 if (thread == NULL) {
2834 ThrowException(WinapiErrnoException(GetLastError(), "CreateRemoteThread"));
2838 // Wait for the thread to terminate
2839 if (WaitForSingleObject(thread, INFINITE) != WAIT_OBJECT_0) {
2840 ThrowException(WinapiErrnoException(GetLastError(), "WaitForSingleObject"));
2845 if (process != NULL)
2846 CloseHandle(process);
2848 CloseHandle(thread);
2849 if (handler != NULL)
2850 UnmapViewOfFile(handler);
2851 if (mapping != NULL)
2852 CloseHandle(mapping);
2857 static void DebugPause(const FunctionCallbackInfo<Value>& args) {
2858 v8::Debug::DebugBreak(node_isolate);
2862 static void DebugEnd(const FunctionCallbackInfo<Value>& args) {
2863 if (debugger_running) {
2864 v8::Debug::DisableAgent();
2865 debugger_running = false;
2870 char** Init(int argc, char *argv[]) {
2871 // Initialize prog_start_time to get relative uptime.
2872 uv_uptime(&prog_start_time);
2874 // Make inherited handles noninheritable.
2875 uv_disable_stdio_inheritance();
2877 // init async debug messages dispatching
2878 uv_async_init(uv_default_loop(),
2879 &dispatch_debug_messages_async,
2880 DispatchDebugMessagesAsyncCallback);
2881 uv_unref(reinterpret_cast<uv_handle_t*>(&dispatch_debug_messages_async));
2883 // init async NODE_DEBUG_ENABLED emitter
2884 uv_async_init(uv_default_loop(),
2885 &emit_debug_enabled_async,
2886 EmitDebugEnabledAsyncCallback);
2887 uv_unref(reinterpret_cast<uv_handle_t*>(&emit_debug_enabled_async));
2889 // Parse a few arguments which are specific to Node.
2890 node::ParseArgs(argc, argv);
2891 // Parse the rest of the args (up to the 'option_end_index' (where '--' was
2892 // in the command line))
2893 int v8argc = option_end_index;
2894 char **v8argv = argv;
2896 if (debug_wait_connect) {
2897 // v8argv is a copy of argv up to the script file argument +2 if --debug-brk
2898 // to expose the v8 debugger js object so that node.js can set
2899 // a breakpoint on the first line of the startup script
2901 v8argv = new char*[v8argc];
2902 memcpy(v8argv, argv, sizeof(*argv) * option_end_index);
2903 v8argv[option_end_index] = const_cast<char*>("--expose_debug_as");
2904 v8argv[option_end_index + 1] = const_cast<char*>("v8debug");
2907 // For the normal stack which moves from high to low addresses when frames
2908 // are pushed, we can compute the limit as stack_size bytes below the
2909 // the address of a stack variable (e.g. &stack_var) as an approximation
2910 // of the start of the stack (we're assuming that we haven't pushed a lot
2912 if (max_stack_size != 0) {
2914 ResourceConstraints constraints;
2916 uint32_t *stack_limit = &stack_var - (max_stack_size / sizeof(uint32_t));
2917 constraints.set_stack_limit(stack_limit);
2918 SetResourceConstraints(&constraints); // Must be done before V8::Initialize
2920 V8::SetFlagsFromCommandLine(&v8argc, v8argv, false);
2922 const char typed_arrays_flag[] = "--harmony_typed_arrays";
2923 V8::SetFlagsFromString(typed_arrays_flag, sizeof(typed_arrays_flag) - 1);
2924 V8::SetArrayBufferAllocator(&ArrayBufferAllocator::the_singleton);
2926 // Fetch a reference to the main isolate, so we have a reference to it
2927 // even when we need it to access it from another (debugger) thread.
2928 node_isolate = Isolate::GetCurrent();
2932 RegisterSignalHandler(SIGPIPE, SIG_IGN);
2933 RegisterSignalHandler(SIGINT, SignalExit);
2934 RegisterSignalHandler(SIGTERM, SignalExit);
2937 uv_check_init(uv_default_loop(), &check_immediate_watcher);
2938 uv_unref(reinterpret_cast<uv_handle_t*>(&check_immediate_watcher));
2939 uv_idle_init(uv_default_loop(), &idle_immediate_dummy);
2941 V8::SetFatalErrorHandler(node::OnFatalError);
2942 V8::AddMessageListener(OnMessage);
2944 // If the --debug flag was specified then initialize the debug thread.
2945 if (use_debug_agent) {
2946 EnableDebug(debug_wait_connect);
2949 RegisterDebugSignalHandler();
2951 static uv_signal_t signal_watcher;
2952 uv_signal_init(uv_default_loop(), &signal_watcher);
2953 uv_signal_start(&signal_watcher, EnableDebugSignalHandler, SIGUSR1);
2954 uv_unref(reinterpret_cast<uv_handle_t*>(&signal_watcher));
2962 struct AtExitCallback {
2963 AtExitCallback* next_;
2964 void (*cb_)(void* arg);
2968 static AtExitCallback* at_exit_functions_;
2972 AtExitCallback* p = at_exit_functions_;
2973 at_exit_functions_ = NULL;
2976 AtExitCallback* q = p->next_;
2984 void AtExit(void (*cb)(void* arg), void* arg) {
2985 AtExitCallback* p = new AtExitCallback;
2988 p->next_ = at_exit_functions_;
2989 at_exit_functions_ = p;
2993 void EmitExit(v8::Handle<v8::Object> process_l) {
2994 // process.emit('exit')
2995 process_l->Set(String::NewSymbol("_exiting"), True(node_isolate));
2996 Local<Value> args[] = { String::New("exit"), Integer::New(0, node_isolate) };
2997 MakeCallback(process_l, "emit", ARRAY_SIZE(args), args);
3000 static char **copy_argv(int argc, char **argv) {
3008 for (i = 0; i < argc; i++) {
3009 strlen_sum += strlen(argv[i]) + 1;
3012 argv_copy = static_cast<char**>(
3013 malloc(sizeof(*argv_copy) * (argc + 1) + strlen_sum));
3018 argv_data = reinterpret_cast<char*>(argv_copy) +
3019 sizeof(*argv_copy) * (argc + 1);
3021 for (i = 0; i < argc; i++) {
3022 argv_copy[i] = argv_data;
3023 len = strlen(argv[i]) + 1;
3024 memcpy(argv_data, argv[i], len);
3028 argv_copy[argc] = NULL;
3033 int Start(int argc, char *argv[]) {
3034 // Hack aroung with the argv pointer. Used for process.title = "blah".
3035 argv = uv_setup_args(argc, argv);
3037 // Logic to duplicate argv as Init() modifies arguments
3038 // that are passed into it.
3039 char **argv_copy = copy_argv(argc, argv);
3041 // This needs to run *before* V8::Initialize()
3042 // Use copy here as to not modify the original argv:
3043 Init(argc, argv_copy);
3047 Locker locker(node_isolate);
3048 HandleScope handle_scope(node_isolate);
3050 // Create the one and only Context.
3051 Local<Context> context = Context::New(node_isolate);
3052 Context::Scope context_scope(context);
3054 binding_cache.Reset(node_isolate, Object::New());
3056 // Use original argv, as we're just copying values out of it.
3057 Local<Object> process_l = SetupProcessObject(argc, argv);
3059 // Create all the objects, load modules, do everything.
3060 // so your next reading stop should be node::Load()!
3063 // All our arguments are loaded. We've evaluated all of the scripts. We
3064 // might even have created TCP servers. Now we enter the main eventloop. If
3065 // there are no watchers on the loop (except for the ones that were
3066 // uv_unref'd) then this function exits. As long as there are active
3067 // watchers, it blocks.
3068 uv_run(uv_default_loop(), UV_RUN_DEFAULT);
3070 EmitExit(process_l);
3075 // Clean up. Not strictly necessary.
3079 // Clean up the copy: