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
185 #ifdef OPENSSL_NPN_NEGOTIATED
186 static bool use_npn = true;
188 static bool use_npn = false;
191 #ifdef SSL_CTRL_SET_TLSEXT_SERVERNAME_CB
192 static bool use_sni = true;
194 static bool use_sni = false;
197 // process-relative uptime base, initialized at start-up
198 static double prog_start_time;
200 static volatile bool debugger_running = false;
201 static uv_async_t dispatch_debug_messages_async;
202 static uv_async_t emit_debug_enabled_async;
204 // Declared in node_internals.h
205 Isolate* node_isolate = NULL;
208 class ArrayBufferAllocator : public ArrayBuffer::Allocator {
210 // Impose an upper limit to avoid out of memory errors that bring down
212 static const size_t kMaxLength = 0x3fffffff;
213 static ArrayBufferAllocator the_singleton;
214 virtual ~ArrayBufferAllocator() {}
215 virtual void* Allocate(size_t length);
216 virtual void Free(void* data);
218 ArrayBufferAllocator() {}
219 ArrayBufferAllocator(const ArrayBufferAllocator&);
220 void operator=(const ArrayBufferAllocator&);
223 ArrayBufferAllocator ArrayBufferAllocator::the_singleton;
226 void* ArrayBufferAllocator::Allocate(size_t length) {
227 if (length > kMaxLength) return NULL;
228 return new char[length];
232 void ArrayBufferAllocator::Free(void* data) {
233 delete[] static_cast<char*>(data);
237 static void CheckImmediate(uv_check_t* handle, int status) {
238 assert(handle == &check_immediate_watcher);
241 HandleScope scope(node_isolate);
243 if (immediate_callback_sym.IsEmpty()) {
244 immediate_callback_sym = String::New("_immediateCallback");
247 MakeCallback(process_p, immediate_callback_sym, 0, NULL);
251 static void IdleImmediateDummy(uv_idle_t* handle, int status) {
252 // Do nothing. Only for maintaining event loop
253 assert(handle == &idle_immediate_dummy);
258 static inline const char *errno_string(int errorno) {
259 #define ERRNO_CASE(e) case e: return #e;
267 ERRNO_CASE(EADDRINUSE);
271 ERRNO_CASE(EADDRNOTAVAIL);
275 ERRNO_CASE(EAFNOSUPPORT);
283 # if EAGAIN != EWOULDBLOCK
284 ERRNO_CASE(EWOULDBLOCK);
289 ERRNO_CASE(EALREADY);
305 ERRNO_CASE(ECANCELED);
313 ERRNO_CASE(ECONNABORTED);
317 ERRNO_CASE(ECONNREFUSED);
321 ERRNO_CASE(ECONNRESET);
329 ERRNO_CASE(EDESTADDRREQ);
353 ERRNO_CASE(EHOSTUNREACH);
365 ERRNO_CASE(EINPROGRESS);
401 ERRNO_CASE(EMSGSIZE);
405 ERRNO_CASE(EMULTIHOP);
409 ERRNO_CASE(ENAMETOOLONG);
413 ERRNO_CASE(ENETDOWN);
417 ERRNO_CASE(ENETRESET);
421 ERRNO_CASE(ENETUNREACH);
453 # if ENOLINK != ENOLCK
467 ERRNO_CASE(ENOPROTOOPT);
487 ERRNO_CASE(ENOTCONN);
495 ERRNO_CASE(ENOTEMPTY);
499 ERRNO_CASE(ENOTSOCK);
506 ERRNO_CASE(EOPNOTSUPP);
520 ERRNO_CASE(EOVERFLOW);
535 #ifdef EPROTONOSUPPORT
536 ERRNO_CASE(EPROTONOSUPPORT);
540 ERRNO_CASE(EPROTOTYPE);
568 ERRNO_CASE(ETIMEDOUT);
583 const char *signo_string(int signo) {
584 #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 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 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.length == 0) {
973 tick_infobox.index = 0;
977 // process nextTicks after call
978 Local<Object> process = PersistentToLocal(process_p);
979 Local<Function> fn = PersistentToLocal(process_tickCallback);
980 fn->Call(process, 0, NULL);
982 if (try_catch.HasCaught()) {
983 return Undefined(node_isolate);
991 MakeCallback(const Handle<Object> object,
992 const Handle<Function> callback,
994 Handle<Value> argv[]) {
995 // TODO Hook for long stack traces to be made here.
996 Local<Object> process = PersistentToLocal(process_p);
999 return MakeDomainCallback(object, callback, argc, argv);
1001 // lazy load no domain next tick callbacks
1002 if (process_tickCallback.IsEmpty()) {
1003 Local<Value> cb_v = process->Get(String::New("_tickCallback"));
1004 if (!cb_v->IsFunction()) {
1005 fprintf(stderr, "process._tickCallback assigned to non-function\n");
1008 process_tickCallback.Reset(node_isolate, cb_v.As<Function>());
1012 try_catch.SetVerbose(true);
1014 Local<Value> ret = callback->Call(object, argc, argv);
1016 if (try_catch.HasCaught()) {
1017 return Undefined(node_isolate);
1020 if (tick_infobox.length == 0) {
1021 tick_infobox.index = 0;
1025 // process nextTicks after call
1026 Local<Function> fn = PersistentToLocal(process_tickCallback);
1027 fn->Call(process, 0, NULL);
1029 if (try_catch.HasCaught()) {
1030 return Undefined(node_isolate);
1038 MakeCallback(const Handle<Object> object,
1039 const Handle<String> symbol,
1041 Handle<Value> argv[]) {
1042 HandleScope scope(node_isolate);
1044 Local<Function> callback = object->Get(symbol).As<Function>();
1045 assert(callback->IsFunction());
1048 return scope.Close(MakeDomainCallback(object, callback, argc, argv));
1049 return scope.Close(MakeCallback(object, callback, argc, argv));
1054 MakeCallback(const Handle<Object> object,
1057 Handle<Value> argv[]) {
1058 HandleScope scope(node_isolate);
1061 MakeCallback(object, String::NewSymbol(method), argc, argv);
1063 return scope.Close(ret);
1067 enum encoding ParseEncoding(Handle<Value> encoding_v, enum encoding _default) {
1068 HandleScope scope(node_isolate);
1070 if (!encoding_v->IsString()) return _default;
1072 String::Utf8Value encoding(encoding_v);
1074 if (strcasecmp(*encoding, "utf8") == 0) {
1076 } else if (strcasecmp(*encoding, "utf-8") == 0) {
1078 } else if (strcasecmp(*encoding, "ascii") == 0) {
1080 } else if (strcasecmp(*encoding, "base64") == 0) {
1082 } else if (strcasecmp(*encoding, "ucs2") == 0) {
1084 } else if (strcasecmp(*encoding, "ucs-2") == 0) {
1086 } else if (strcasecmp(*encoding, "utf16le") == 0) {
1088 } else if (strcasecmp(*encoding, "utf-16le") == 0) {
1090 } else if (strcasecmp(*encoding, "binary") == 0) {
1092 } else if (strcasecmp(*encoding, "buffer") == 0) {
1094 } else if (strcasecmp(*encoding, "hex") == 0) {
1096 } else if (strcasecmp(*encoding, "raw") == 0) {
1097 if (!no_deprecation) {
1098 fprintf(stderr, "'raw' (array of integers) has been removed. "
1102 } else if (strcasecmp(*encoding, "raws") == 0) {
1103 if (!no_deprecation) {
1104 fprintf(stderr, "'raws' encoding has been renamed to 'binary'. "
1105 "Please update your code.\n");
1113 Local<Value> Encode(const void *buf, size_t len, enum encoding encoding) {
1114 return StringBytes::Encode(static_cast<const char*>(buf),
1119 // Returns -1 if the handle was not valid for decoding
1120 ssize_t DecodeBytes(v8::Handle<v8::Value> val, enum encoding encoding) {
1121 HandleScope scope(node_isolate);
1123 if (val->IsArray()) {
1124 fprintf(stderr, "'raw' encoding (array of integers) has been removed. "
1130 return StringBytes::Size(val, encoding);
1134 # define MIN(a, b) ((a) < (b) ? (a) : (b))
1137 // Returns number of bytes written.
1138 ssize_t DecodeWrite(char *buf,
1140 v8::Handle<v8::Value> val,
1141 enum encoding encoding) {
1142 return StringBytes::Write(buf, buflen, val, encoding, NULL);
1145 void DisplayExceptionLine(Handle<Message> message) {
1146 // Prevent re-entry into this function. For example, if there is
1147 // a throw from a program in vm.runInThisContext(code, filename, true),
1148 // then we want to show the original failure, not the secondary one.
1149 static bool displayed_error = false;
1151 if (displayed_error) return;
1152 displayed_error = true;
1154 uv_tty_reset_mode();
1156 fprintf(stderr, "\n");
1158 if (!message.IsEmpty()) {
1159 // Print (filename):(line number): (message).
1160 String::Utf8Value filename(message->GetScriptResourceName());
1161 const char* filename_string = *filename;
1162 int linenum = message->GetLineNumber();
1163 fprintf(stderr, "%s:%i\n", filename_string, linenum);
1164 // Print line of source code.
1165 String::Utf8Value sourceline(message->GetSourceLine());
1166 const char* sourceline_string = *sourceline;
1168 // Because of how node modules work, all scripts are wrapped with a
1169 // "function (module, exports, __filename, ...) {"
1170 // to provide script local variables.
1172 // When reporting errors on the first line of a script, this wrapper
1173 // function is leaked to the user. There used to be a hack here to
1174 // truncate off the first 62 characters, but it caused numerous other
1175 // problems when vm.runIn*Context() methods were used for non-module
1178 // If we ever decide to re-instate such a hack, the following steps
1181 // 1. Pass a flag around to say "this code was wrapped"
1182 // 2. Update the stack frame output so that it is also correct.
1184 // It would probably be simpler to add a line rather than add some
1185 // number of characters to the first line, since V8 truncates the
1186 // sourceline to 78 characters, and we end up not providing very much
1187 // useful debugging info to the user if we remove 62 characters.
1189 int start = message->GetStartColumn();
1190 int end = message->GetEndColumn();
1192 // fprintf(stderr, "---\nsourceline:%s\noffset:%d\nstart:%d\nend:%d\n---\n", sourceline_string, start, end);
1194 fprintf(stderr, "%s\n", sourceline_string);
1195 // Print wavy underline (GetUnderline is deprecated).
1196 for (int i = 0; i < start; i++) {
1197 fputc((sourceline_string[i] == '\t') ? '\t' : ' ', stderr);
1199 for (int i = start; i < end; i++) {
1202 fputc('\n', stderr);
1207 static void ReportException(Handle<Value> er, Handle<Message> message) {
1208 HandleScope scope(node_isolate);
1210 DisplayExceptionLine(message);
1212 Local<Value> trace_value(er->ToObject()->Get(String::New("stack")));
1213 String::Utf8Value trace(trace_value);
1215 // range errors have a trace member set to undefined
1216 if (trace.length() > 0 && !trace_value->IsUndefined()) {
1217 fprintf(stderr, "%s\n", *trace);
1219 // this really only happens for RangeErrors, since they're the only
1220 // kind that won't have all this info in the trace, or when non-Error
1221 // objects are thrown manually.
1222 bool isErrorObject = er->IsObject() &&
1223 !(er->ToObject()->Get(String::New("message"))->IsUndefined()) &&
1224 !(er->ToObject()->Get(String::New("name"))->IsUndefined());
1226 if (isErrorObject) {
1227 String::Utf8Value name(er->ToObject()->Get(String::New("name")));
1228 fprintf(stderr, "%s: ", *name);
1231 String::Utf8Value msg(!isErrorObject ? er
1232 : er->ToObject()->Get(String::New("message")));
1233 fprintf(stderr, "%s\n", *msg);
1240 static void ReportException(TryCatch& try_catch) {
1241 ReportException(try_catch.Exception(), try_catch.Message());
1245 // Executes a str within the current v8 context.
1246 Local<Value> ExecuteString(Handle<String> source, Handle<Value> filename) {
1247 HandleScope scope(node_isolate);
1250 // try_catch must be nonverbose to disable FatalException() handler,
1251 // we will handle exceptions ourself.
1252 try_catch.SetVerbose(false);
1254 Local<v8::Script> script = v8::Script::Compile(source, filename);
1255 if (script.IsEmpty()) {
1256 ReportException(try_catch);
1260 Local<Value> result = script->Run();
1261 if (result.IsEmpty()) {
1262 ReportException(try_catch);
1266 return scope.Close(result);
1270 static void GetActiveRequests(const FunctionCallbackInfo<Value>& args) {
1271 HandleScope scope(node_isolate);
1273 Local<Array> ary = Array::New();
1277 QUEUE_FOREACH(q, &req_wrap_queue) {
1278 ReqWrap<uv_req_t>* w = container_of(q, ReqWrap<uv_req_t>, req_wrap_queue_);
1279 if (w->persistent().IsEmpty()) continue;
1280 ary->Set(i++, w->object());
1283 args.GetReturnValue().Set(ary);
1287 // Non-static, friend of HandleWrap. Could have been a HandleWrap method but
1288 // implemented here for consistency with GetActiveRequests().
1289 void GetActiveHandles(const FunctionCallbackInfo<Value>& args) {
1290 HandleScope scope(node_isolate);
1292 Local<Array> ary = Array::New();
1296 Local<String> owner_sym = String::New("owner");
1298 QUEUE_FOREACH(q, &handle_wrap_queue) {
1299 HandleWrap* w = container_of(q, HandleWrap, handle_wrap_queue_);
1300 if (w->persistent().IsEmpty() || (w->flags_ & HandleWrap::kUnref)) continue;
1301 Local<Object> object = w->object();
1302 Local<Value> owner = object->Get(owner_sym);
1303 if (owner->IsUndefined()) owner = object;
1304 ary->Set(i++, owner);
1307 args.GetReturnValue().Set(ary);
1311 static void Abort(const FunctionCallbackInfo<Value>& args) {
1316 static void Chdir(const FunctionCallbackInfo<Value>& args) {
1317 HandleScope scope(node_isolate);
1319 if (args.Length() != 1 || !args[0]->IsString()) {
1320 return ThrowError("Bad argument."); // FIXME(bnoordhuis) ThrowTypeError?
1323 String::Utf8Value path(args[0]);
1324 int err = uv_chdir(*path);
1326 return ThrowUVException(err, "uv_chdir");
1331 static void Cwd(const FunctionCallbackInfo<Value>& args) {
1332 HandleScope scope(node_isolate);
1334 /* MAX_PATH is in characters, not bytes. Make sure we have enough headroom. */
1335 char buf[MAX_PATH * 4 + 1];
1337 char buf[PATH_MAX + 1];
1340 int err = uv_cwd(buf, ARRAY_SIZE(buf) - 1);
1342 return ThrowUVException(err, "uv_cwd");
1345 buf[ARRAY_SIZE(buf) - 1] = '\0';
1346 Local<String> cwd = String::New(buf);
1348 args.GetReturnValue().Set(cwd);
1352 static void Umask(const FunctionCallbackInfo<Value>& args) {
1353 HandleScope scope(node_isolate);
1356 if (args.Length() < 1 || args[0]->IsUndefined()) {
1358 umask(static_cast<mode_t>(old));
1360 } else if(!args[0]->IsInt32() && !args[0]->IsString()) {
1361 return ThrowTypeError("argument must be an integer or octal string.");
1365 if(args[0]->IsInt32()) {
1366 oct = args[0]->Uint32Value();
1369 String::Utf8Value str(args[0]);
1371 // Parse the octal string.
1372 for (int i = 0; i < str.length(); i++) {
1374 if (c > '7' || c < '0') {
1375 return ThrowTypeError("invalid octal string");
1381 old = umask(static_cast<mode_t>(oct));
1384 args.GetReturnValue().Set(old);
1388 #if defined(__POSIX__) && !defined(__ANDROID__)
1390 static const uid_t uid_not_found = static_cast<uid_t>(-1);
1391 static const gid_t gid_not_found = static_cast<gid_t>(-1);
1394 static uid_t uid_by_name(const char* name) {
1402 if (getpwnam_r(name, &pwd, buf, sizeof(buf), &pp) == 0 && pp != NULL) {
1406 return uid_not_found;
1410 static char* name_by_uid(uid_t uid) {
1419 if ((rc = getpwuid_r(uid, &pwd, buf, sizeof(buf), &pp)) == 0 && pp != NULL) {
1420 return strdup(pp->pw_name);
1431 static gid_t gid_by_name(const char* name) {
1439 if (getgrnam_r(name, &pwd, buf, sizeof(buf), &pp) == 0 && pp != NULL) {
1443 return gid_not_found;
1447 #if 0 // For future use.
1448 static const char* name_by_gid(gid_t gid) {
1457 if ((rc = getgrgid_r(gid, &pwd, buf, sizeof(buf), &pp)) == 0 && pp != NULL) {
1458 return strdup(pp->gr_name);
1470 static uid_t uid_by_name(Handle<Value> value) {
1471 if (value->IsUint32()) {
1472 return static_cast<uid_t>(value->Uint32Value());
1474 String::Utf8Value name(value);
1475 return uid_by_name(*name);
1480 static gid_t gid_by_name(Handle<Value> value) {
1481 if (value->IsUint32()) {
1482 return static_cast<gid_t>(value->Uint32Value());
1484 String::Utf8Value name(value);
1485 return gid_by_name(*name);
1490 static void GetUid(const FunctionCallbackInfo<Value>& args) {
1491 args.GetReturnValue().Set(getuid());
1495 static void GetGid(const FunctionCallbackInfo<Value>& args) {
1496 args.GetReturnValue().Set(getgid());
1500 static void SetGid(const FunctionCallbackInfo<Value>& args) {
1501 HandleScope scope(node_isolate);
1503 if (!args[0]->IsUint32() && !args[0]->IsString()) {
1504 return ThrowTypeError("setgid argument must be a number or a string");
1507 gid_t gid = gid_by_name(args[0]);
1509 if (gid == gid_not_found) {
1510 return ThrowError("setgid group id does not exist");
1514 return ThrowErrnoException(errno, "setgid");
1519 static void SetUid(const FunctionCallbackInfo<Value>& args) {
1520 HandleScope scope(node_isolate);
1522 if (!args[0]->IsUint32() && !args[0]->IsString()) {
1523 return ThrowTypeError("setuid argument must be a number or a string");
1526 uid_t uid = uid_by_name(args[0]);
1528 if (uid == uid_not_found) {
1529 return ThrowError("setuid user id does not exist");
1533 return ThrowErrnoException(errno, "setuid");
1538 static void GetGroups(const FunctionCallbackInfo<Value>& args) {
1539 HandleScope scope(node_isolate);
1541 int ngroups = getgroups(0, NULL);
1543 if (ngroups == -1) {
1544 return ThrowErrnoException(errno, "getgroups");
1547 gid_t* groups = new gid_t[ngroups];
1549 ngroups = getgroups(ngroups, groups);
1551 if (ngroups == -1) {
1553 return ThrowErrnoException(errno, "getgroups");
1556 Local<Array> groups_list = Array::New(ngroups);
1557 bool seen_egid = false;
1558 gid_t egid = getegid();
1560 for (int i = 0; i < ngroups; i++) {
1561 groups_list->Set(i, Integer::New(groups[i], node_isolate));
1562 if (groups[i] == egid) seen_egid = true;
1567 if (seen_egid == false) {
1568 groups_list->Set(ngroups, Integer::New(egid, node_isolate));
1571 args.GetReturnValue().Set(groups_list);
1575 static void SetGroups(const FunctionCallbackInfo<Value>& args) {
1576 HandleScope scope(node_isolate);
1578 if (!args[0]->IsArray()) {
1579 return ThrowTypeError("argument 1 must be an array");
1582 Local<Array> groups_list = args[0].As<Array>();
1583 size_t size = groups_list->Length();
1584 gid_t* groups = new gid_t[size];
1586 for (size_t i = 0; i < size; i++) {
1587 gid_t gid = gid_by_name(groups_list->Get(i));
1589 if (gid == gid_not_found) {
1591 return ThrowError("group name not found");
1597 int rc = setgroups(size, groups);
1601 return ThrowErrnoException(errno, "setgroups");
1606 static void InitGroups(const FunctionCallbackInfo<Value>& args) {
1607 HandleScope scope(node_isolate);
1609 if (!args[0]->IsUint32() && !args[0]->IsString()) {
1610 return ThrowTypeError("argument 1 must be a number or a string");
1613 if (!args[1]->IsUint32() && !args[1]->IsString()) {
1614 return ThrowTypeError("argument 2 must be a number or a string");
1617 String::Utf8Value arg0(args[0]);
1622 if (args[0]->IsUint32()) {
1623 user = name_by_uid(args[0]->Uint32Value());
1631 return ThrowError("initgroups user not found");
1634 extra_group = gid_by_name(args[1]);
1636 if (extra_group == gid_not_found) {
1637 if (must_free) free(user);
1638 return ThrowError("initgroups extra group not found");
1641 int rc = initgroups(user, extra_group);
1648 return ThrowErrnoException(errno, "initgroups");
1652 #endif // __POSIX__ && !defined(__ANDROID__)
1655 void Exit(const FunctionCallbackInfo<Value>& args) {
1656 HandleScope scope(node_isolate);
1657 exit(args[0]->IntegerValue());
1661 static void Uptime(const FunctionCallbackInfo<Value>& args) {
1662 HandleScope scope(node_isolate);
1664 if (uv_uptime(&uptime)) return;
1665 args.GetReturnValue().Set(uptime - prog_start_time);
1669 void MemoryUsage(const FunctionCallbackInfo<Value>& args) {
1670 HandleScope scope(node_isolate);
1674 int err = uv_resident_set_memory(&rss);
1676 return ThrowUVException(err, "uv_resident_set_memory");
1679 Local<Object> info = Object::New();
1681 if (rss_symbol.IsEmpty()) {
1682 rss_symbol = String::New("rss");
1683 heap_total_symbol = String::New("heapTotal");
1684 heap_used_symbol = String::New("heapUsed");
1687 info->Set(rss_symbol, Number::New(rss));
1690 HeapStatistics v8_heap_stats;
1691 node_isolate->GetHeapStatistics(&v8_heap_stats);
1692 info->Set(heap_total_symbol,
1693 Integer::NewFromUnsigned(v8_heap_stats.total_heap_size(),
1695 info->Set(heap_used_symbol,
1696 Integer::NewFromUnsigned(v8_heap_stats.used_heap_size(),
1699 args.GetReturnValue().Set(info);
1703 void Kill(const FunctionCallbackInfo<Value>& args) {
1704 HandleScope scope(node_isolate);
1706 if (args.Length() != 2) {
1707 return ThrowError("Bad argument.");
1710 int pid = args[0]->IntegerValue();
1711 int sig = args[1]->Int32Value();
1712 int err = uv_kill(pid, sig);
1713 args.GetReturnValue().Set(err);
1716 // used in Hrtime() below
1717 #define NANOS_PER_SEC 1000000000
1719 // Hrtime exposes libuv's uv_hrtime() high-resolution timer.
1720 // The value returned by uv_hrtime() is a 64-bit int representing nanoseconds,
1721 // so this function instead returns an Array with 2 entries representing seconds
1722 // and nanoseconds, to avoid any integer overflow possibility.
1723 // Pass in an Array from a previous hrtime() call to instead get a time diff.
1724 void Hrtime(const FunctionCallbackInfo<Value>& args) {
1725 HandleScope scope(node_isolate);
1727 uint64_t t = uv_hrtime();
1729 if (args.Length() > 0) {
1730 // return a time diff tuple
1731 if (!args[0]->IsArray()) {
1732 return ThrowTypeError("process.hrtime() only accepts an Array tuple.");
1734 Local<Array> inArray = Local<Array>::Cast(args[0]);
1735 uint64_t seconds = inArray->Get(0)->Uint32Value();
1736 uint64_t nanos = inArray->Get(1)->Uint32Value();
1737 t -= (seconds * NANOS_PER_SEC) + nanos;
1740 Local<Array> tuple = Array::New(2);
1741 tuple->Set(0, Integer::NewFromUnsigned(t / NANOS_PER_SEC, node_isolate));
1742 tuple->Set(1, Integer::NewFromUnsigned(t % NANOS_PER_SEC, node_isolate));
1743 args.GetReturnValue().Set(tuple);
1747 typedef void (UV_DYNAMIC* extInit)(Handle<Object> exports);
1749 // DLOpen is process.dlopen(module, filename).
1750 // Used to load 'module.node' dynamically shared objects.
1751 void DLOpen(const FunctionCallbackInfo<Value>& args) {
1752 HandleScope scope(node_isolate);
1753 char symbol[1024], *base, *pos;
1757 if (args.Length() < 2) {
1758 return ThrowError("process.dlopen takes exactly 2 arguments.");
1761 Local<Object> module = args[0]->ToObject(); // Cast
1762 String::Utf8Value filename(args[1]); // Cast
1764 if (exports_symbol.IsEmpty()) {
1765 exports_symbol = String::New("exports");
1767 Local<Object> exports = module->Get(exports_symbol)->ToObject();
1769 if (uv_dlopen(*filename, &lib)) {
1770 Local<String> errmsg = String::New(uv_dlerror(&lib));
1772 // Windows needs to add the filename into the error message
1773 errmsg = String::Concat(errmsg, args[1]->ToString());
1775 ThrowException(Exception::Error(errmsg));
1779 String::Utf8Value path(args[1]);
1782 /* Find the shared library filename within the full path. */
1784 pos = strrchr(base, '/');
1790 pos = strpbrk(base, "\\/:");
1798 /* Strip the .node extension. */
1799 pos = strrchr(base, '.');
1804 /* Add the `_module` suffix to the extension name. */
1805 r = snprintf(symbol, sizeof symbol, "%s_module", base);
1806 if (r <= 0 || static_cast<size_t>(r) >= sizeof symbol) {
1807 return ThrowError("Out of memory.");
1810 /* Replace dashes with underscores. When loading foo-bar.node,
1811 * look for foo_bar_module, not foo-bar_module.
1813 for (pos = symbol; *pos != '\0'; ++pos) {
1814 if (*pos == '-') *pos = '_';
1817 node_module_struct *mod;
1818 if (uv_dlsym(&lib, symbol, reinterpret_cast<void**>(&mod))) {
1820 snprintf(errmsg, sizeof(errmsg), "Symbol %s not found.", symbol);
1821 return ThrowError(errmsg);
1824 if (mod->version != NODE_MODULE_VERSION) {
1828 "Module version mismatch. Expected %d, got %d.",
1829 NODE_MODULE_VERSION, mod->version);
1830 return ThrowError(errmsg);
1833 // Execute the C++ module
1834 mod->register_func(exports, module);
1836 // Tell coverity that 'handle' should not be freed when we return.
1837 // coverity[leaked_storage]
1841 static void OnFatalError(const char* location, const char* message) {
1843 fprintf(stderr, "FATAL ERROR: %s %s\n", location, message);
1845 fprintf(stderr, "FATAL ERROR: %s\n", message);
1855 NO_RETURN void FatalError(const char* location, const char* message) {
1856 OnFatalError(location, message);
1857 // to supress compiler warning
1862 void FatalException(Handle<Value> error, Handle<Message> message) {
1863 HandleScope scope(node_isolate);
1865 if (fatal_exception_symbol.IsEmpty())
1866 fatal_exception_symbol = String::New("_fatalException");
1868 Local<Object> process = PersistentToLocal(process_p);
1869 Local<Value> fatal_v = process->Get(fatal_exception_symbol);
1871 if (!fatal_v->IsFunction()) {
1872 // failed before the process._fatalException function was added!
1873 // this is probably pretty bad. Nothing to do but report and exit.
1874 ReportException(error, message);
1878 Local<Function> fatal_f = Local<Function>::Cast(fatal_v);
1880 TryCatch fatal_try_catch;
1882 // Do not call FatalException when _fatalException handler throws
1883 fatal_try_catch.SetVerbose(false);
1885 // this will return true if the JS layer handled it, false otherwise
1886 Local<Value> caught = fatal_f->Call(process, 1, &error);
1888 if (fatal_try_catch.HasCaught()) {
1889 // the fatal exception function threw, so we must exit
1890 ReportException(fatal_try_catch);
1894 if (false == caught->BooleanValue()) {
1895 ReportException(error, message);
1901 void FatalException(TryCatch& try_catch) {
1902 HandleScope scope(node_isolate);
1903 // TODO do not call FatalException if try_catch is verbose
1904 // (requires V8 API to expose getter for try_catch.is_verbose_)
1905 FatalException(try_catch.Exception(), try_catch.Message());
1909 void OnMessage(Handle<Message> message, Handle<Value> error) {
1910 // The current version of V8 sends messages for errors only
1911 // (thus `error` is always set).
1912 FatalException(error, message);
1916 static void Binding(const FunctionCallbackInfo<Value>& args) {
1917 HandleScope scope(node_isolate);
1919 Local<String> module = args[0]->ToString();
1920 String::Utf8Value module_v(module);
1921 node_module_struct* modp;
1923 Local<Object> cache = PersistentToLocal(binding_cache);
1924 Local<Object> exports;
1926 if (cache->Has(module)) {
1927 exports = cache->Get(module)->ToObject();
1928 args.GetReturnValue().Set(exports);
1932 // Append a string to process.moduleLoadList
1934 snprintf(buf, 1024, "Binding %s", *module_v);
1936 Local<Array> modules = PersistentToLocal(module_load_list);
1937 uint32_t l = modules->Length();
1938 modules->Set(l, String::New(buf));
1940 if ((modp = get_builtin_module(*module_v)) != NULL) {
1941 exports = Object::New();
1942 // Internal bindings don't have a "module" object,
1944 modp->register_func(exports, Undefined(node_isolate));
1945 cache->Set(module, exports);
1947 } else if (!strcmp(*module_v, "constants")) {
1948 exports = Object::New();
1949 DefineConstants(exports);
1950 cache->Set(module, exports);
1952 } else if (!strcmp(*module_v, "natives")) {
1953 exports = Object::New();
1954 DefineJavaScript(exports);
1955 cache->Set(module, exports);
1959 return ThrowError("No such module");
1962 args.GetReturnValue().Set(exports);
1966 static void ProcessTitleGetter(Local<String> property,
1967 const PropertyCallbackInfo<Value>& info) {
1968 HandleScope scope(node_isolate);
1970 uv_get_process_title(buffer, sizeof(buffer));
1971 info.GetReturnValue().Set(String::New(buffer));
1975 static void ProcessTitleSetter(Local<String> property,
1977 const PropertyCallbackInfo<void>& info) {
1978 HandleScope scope(node_isolate);
1979 String::Utf8Value title(value);
1980 // TODO: protect with a lock
1981 uv_set_process_title(*title);
1985 static void EnvGetter(Local<String> property,
1986 const PropertyCallbackInfo<Value>& info) {
1987 HandleScope scope(node_isolate);
1989 String::Utf8Value key(property);
1990 const char* val = getenv(*key);
1992 return info.GetReturnValue().Set(String::New(val));
1995 String::Value key(property);
1996 WCHAR buffer[32767]; // The maximum size allowed for environment variables.
1997 DWORD result = GetEnvironmentVariableW(reinterpret_cast<WCHAR*>(*key),
1999 ARRAY_SIZE(buffer));
2000 // If result >= sizeof buffer the buffer was too small. That should never
2001 // happen. If result == 0 and result != ERROR_SUCCESS the variable was not
2003 if ((result > 0 || GetLastError() == ERROR_SUCCESS) &&
2004 result < ARRAY_SIZE(buffer)) {
2005 return info.GetReturnValue().Set(
2006 String::New(reinterpret_cast<uint16_t*>(buffer), result));
2009 // Not found. Fetch from prototype.
2010 info.GetReturnValue().Set(
2011 info.Data().As<Object>()->Get(property));
2015 static void EnvSetter(Local<String> property,
2017 const PropertyCallbackInfo<Value>& info) {
2018 HandleScope scope(node_isolate);
2020 String::Utf8Value key(property);
2021 String::Utf8Value val(value);
2022 setenv(*key, *val, 1);
2024 String::Value key(property);
2025 String::Value val(value);
2026 WCHAR* key_ptr = reinterpret_cast<WCHAR*>(*key);
2027 // Environment variables that start with '=' are read-only.
2028 if (key_ptr[0] != L'=') {
2029 SetEnvironmentVariableW(key_ptr, reinterpret_cast<WCHAR*>(*val));
2032 // Whether it worked or not, always return rval.
2033 info.GetReturnValue().Set(value);
2037 static void EnvQuery(Local<String> property,
2038 const PropertyCallbackInfo<Integer>& info) {
2039 HandleScope scope(node_isolate);
2040 int32_t rc = -1; // Not found unless proven otherwise.
2042 String::Utf8Value key(property);
2043 if (getenv(*key)) rc = 0;
2045 String::Value key(property);
2046 WCHAR* key_ptr = reinterpret_cast<WCHAR*>(*key);
2047 if (GetEnvironmentVariableW(key_ptr, NULL, 0) > 0 ||
2048 GetLastError() == ERROR_SUCCESS) {
2050 if (key_ptr[0] == L'=') {
2051 // Environment variables that start with '=' are hidden and read-only.
2052 rc = static_cast<int32_t>(v8::ReadOnly) |
2053 static_cast<int32_t>(v8::DontDelete) |
2054 static_cast<int32_t>(v8::DontEnum);
2058 if (rc != -1) info.GetReturnValue().Set(rc);
2062 static void EnvDeleter(Local<String> property,
2063 const PropertyCallbackInfo<Boolean>& info) {
2064 HandleScope scope(node_isolate);
2067 String::Utf8Value key(property);
2068 rc = getenv(*key) != NULL;
2069 if (rc) unsetenv(*key);
2071 String::Value key(property);
2072 WCHAR* key_ptr = reinterpret_cast<WCHAR*>(*key);
2073 if (key_ptr[0] == L'=' || !SetEnvironmentVariableW(key_ptr, NULL)) {
2074 // Deletion failed. Return true if the key wasn't there in the first place,
2075 // false if it is still there.
2076 rc = GetEnvironmentVariableW(key_ptr, NULL, NULL) == 0 &&
2077 GetLastError() != ERROR_SUCCESS;
2080 info.GetReturnValue().Set(rc);
2084 static void EnvEnumerator(const PropertyCallbackInfo<Array>& info) {
2085 HandleScope scope(node_isolate);
2088 while (environ[size]) size++;
2090 Local<Array> env = Array::New(size);
2092 for (int i = 0; i < size; ++i) {
2093 const char* var = environ[i];
2094 const char* s = strchr(var, '=');
2095 const int length = s ? s - var : strlen(var);
2096 env->Set(i, String::New(var, length));
2099 WCHAR* environment = GetEnvironmentStringsW();
2100 if (environment == NULL) return; // This should not happen.
2101 Local<Array> env = Array::New();
2102 WCHAR* p = environment;
2104 while (*p != NULL) {
2107 // If the key starts with '=' it is a hidden environment variable.
2111 s = wcschr(p, L'=');
2116 env->Set(i++, String::New(reinterpret_cast<uint16_t*>(p), s - p));
2117 p = s + wcslen(s) + 1;
2119 FreeEnvironmentStringsW(environment);
2122 info.GetReturnValue().Set(env);
2126 static Handle<Object> GetFeatures() {
2127 HandleScope scope(node_isolate);
2129 Local<Object> obj = Object::New();
2130 obj->Set(String::NewSymbol("debug"),
2131 #if defined(DEBUG) && DEBUG
2138 obj->Set(String::NewSymbol("uv"), True(node_isolate));
2139 obj->Set(String::NewSymbol("ipv6"), True(node_isolate)); // TODO ping libuv
2140 obj->Set(String::NewSymbol("tls_npn"), Boolean::New(use_npn));
2141 obj->Set(String::NewSymbol("tls_sni"), Boolean::New(use_sni));
2142 obj->Set(String::NewSymbol("tls"),
2143 Boolean::New(get_builtin_module("crypto") != NULL));
2145 return scope.Close(obj);
2149 static void DebugPortGetter(Local<String> property,
2150 const PropertyCallbackInfo<Value>& info) {
2151 HandleScope scope(node_isolate);
2152 info.GetReturnValue().Set(debug_port);
2156 static void DebugPortSetter(Local<String> property,
2158 const PropertyCallbackInfo<void>& info) {
2159 HandleScope scope(node_isolate);
2160 debug_port = value->NumberValue();
2164 static void DebugProcess(const FunctionCallbackInfo<Value>& args);
2165 static void DebugPause(const FunctionCallbackInfo<Value>& args);
2166 static void DebugEnd(const FunctionCallbackInfo<Value>& args);
2169 void NeedImmediateCallbackGetter(Local<String> property,
2170 const PropertyCallbackInfo<Value>& info) {
2171 info.GetReturnValue().Set(need_immediate_cb);
2175 static void NeedImmediateCallbackSetter(Local<String> property,
2177 const PropertyCallbackInfo<void>&) {
2178 HandleScope scope(node_isolate);
2180 bool bool_value = value->BooleanValue();
2182 if (need_immediate_cb == bool_value) return;
2184 need_immediate_cb = bool_value;
2186 if (need_immediate_cb) {
2187 uv_check_start(&check_immediate_watcher, node::CheckImmediate);
2188 // idle handle is needed only to maintain event loop
2189 uv_idle_start(&idle_immediate_dummy, node::IdleImmediateDummy);
2191 uv_check_stop(&check_immediate_watcher);
2192 uv_idle_stop(&idle_immediate_dummy);
2197 Handle<Object> SetupProcessObject(int argc, char *argv[]) {
2198 HandleScope scope(node_isolate);
2202 Local<FunctionTemplate> process_template = FunctionTemplate::New();
2203 process_template->SetClassName(String::New("process"));
2205 Local<Object> process = process_template->GetFunction()->NewInstance();
2206 assert(process.IsEmpty() == false);
2207 assert(process->IsObject() == true);
2209 process_p.Reset(node_isolate, process);
2211 process->SetAccessor(String::New("title"),
2213 ProcessTitleSetter);
2216 process->Set(String::NewSymbol("version"), String::New(NODE_VERSION));
2218 // process.moduleLoadList
2219 Local<Array> modules = Array::New();
2220 module_load_list.Reset(node_isolate, modules);
2221 process->Set(String::NewSymbol("moduleLoadList"), modules);
2224 Local<Object> versions = Object::New();
2225 process->Set(String::NewSymbol("versions"), versions);
2226 versions->Set(String::NewSymbol("http_parser"), String::New(
2227 NODE_STRINGIFY(HTTP_PARSER_VERSION_MAJOR) "."
2228 NODE_STRINGIFY(HTTP_PARSER_VERSION_MINOR)));
2229 // +1 to get rid of the leading 'v'
2230 versions->Set(String::NewSymbol("node"), String::New(NODE_VERSION+1));
2231 versions->Set(String::NewSymbol("v8"), String::New(V8::GetVersion()));
2232 versions->Set(String::NewSymbol("ares"), String::New(ARES_VERSION_STR));
2233 versions->Set(String::NewSymbol("uv"), String::New(uv_version_string()));
2234 versions->Set(String::NewSymbol("zlib"), String::New(ZLIB_VERSION));
2235 versions->Set(String::NewSymbol("modules"),
2236 String::New(NODE_STRINGIFY(NODE_MODULE_VERSION)));
2238 // Stupid code to slice out the version string.
2239 int c, l = strlen(OPENSSL_VERSION_TEXT);
2240 for (i = j = 0; i < l; i++) {
2241 c = OPENSSL_VERSION_TEXT[i];
2242 if ('0' <= c && c <= '9') {
2243 for (j = i + 1; j < l; j++) {
2244 c = OPENSSL_VERSION_TEXT[j];
2245 if (c == ' ') break;
2250 versions->Set(String::NewSymbol("openssl"),
2251 String::New(&OPENSSL_VERSION_TEXT[i], j - i));
2257 process->Set(String::NewSymbol("arch"), String::New(ARCH));
2260 process->Set(String::NewSymbol("platform"), String::New(PLATFORM));
2263 Local<Array> arguments = Array::New(argc - option_end_index + 1);
2264 arguments->Set(Integer::New(0, node_isolate), String::New(argv[0]));
2265 for (j = 1, i = option_end_index; i < argc; j++, i++) {
2266 Local<String> arg = String::New(argv[i]);
2267 arguments->Set(Integer::New(j, node_isolate), arg);
2270 process->Set(String::NewSymbol("argv"), arguments);
2273 Local<Array> execArgv = Array::New(option_end_index - 1);
2274 for (j = 1, i = 0; j < option_end_index; j++, i++) {
2275 execArgv->Set(Integer::New(i, node_isolate), String::New(argv[j]));
2278 process->Set(String::NewSymbol("execArgv"), execArgv);
2281 // create process.env
2282 Local<ObjectTemplate> envTemplate = ObjectTemplate::New();
2283 envTemplate->SetNamedPropertyHandler(EnvGetter,
2289 Local<Object> env = envTemplate->NewInstance();
2290 process->Set(String::NewSymbol("env"), env);
2292 process->Set(String::NewSymbol("pid"), Integer::New(getpid(), node_isolate));
2293 process->Set(String::NewSymbol("features"), GetFeatures());
2294 process->SetAccessor(String::New("_needImmediateCallback"),
2295 NeedImmediateCallbackGetter,
2296 NeedImmediateCallbackSetter);
2300 process->Set(String::NewSymbol("_eval"), String::New(eval_string));
2305 process->Set(String::NewSymbol("_print_eval"), True(node_isolate));
2308 // -i, --interactive
2310 process->Set(String::NewSymbol("_forceRepl"), True(node_isolate));
2314 if (no_deprecation) {
2315 process->Set(String::NewSymbol("noDeprecation"), True(node_isolate));
2318 // --throw-deprecation
2319 if (throw_deprecation) {
2320 process->Set(String::NewSymbol("throwDeprecation"), True(node_isolate));
2323 // --trace-deprecation
2324 if (trace_deprecation) {
2325 process->Set(String::NewSymbol("traceDeprecation"), True(node_isolate));
2328 size_t size = 2*PATH_MAX;
2329 char* execPath = new char[size];
2330 if (uv_exepath(execPath, &size) != 0) {
2331 // as a last ditch effort, fallback on argv[0] ?
2332 process->Set(String::NewSymbol("execPath"), String::New(argv[0]));
2334 process->Set(String::NewSymbol("execPath"), String::New(execPath, size));
2338 process->SetAccessor(String::New("debugPort"),
2343 // define various internal methods
2344 NODE_SET_METHOD(process, "_getActiveRequests", GetActiveRequests);
2345 NODE_SET_METHOD(process, "_getActiveHandles", GetActiveHandles);
2346 NODE_SET_METHOD(process, "reallyExit", Exit);
2347 NODE_SET_METHOD(process, "abort", Abort);
2348 NODE_SET_METHOD(process, "chdir", Chdir);
2349 NODE_SET_METHOD(process, "cwd", Cwd);
2351 NODE_SET_METHOD(process, "umask", Umask);
2353 #if defined(__POSIX__) && !defined(__ANDROID__)
2354 NODE_SET_METHOD(process, "getuid", GetUid);
2355 NODE_SET_METHOD(process, "setuid", SetUid);
2357 NODE_SET_METHOD(process, "setgid", SetGid);
2358 NODE_SET_METHOD(process, "getgid", GetGid);
2360 NODE_SET_METHOD(process, "getgroups", GetGroups);
2361 NODE_SET_METHOD(process, "setgroups", SetGroups);
2362 NODE_SET_METHOD(process, "initgroups", InitGroups);
2363 #endif // __POSIX__ && !defined(__ANDROID__)
2365 NODE_SET_METHOD(process, "_kill", Kill);
2367 NODE_SET_METHOD(process, "_debugProcess", DebugProcess);
2368 NODE_SET_METHOD(process, "_debugPause", DebugPause);
2369 NODE_SET_METHOD(process, "_debugEnd", DebugEnd);
2371 NODE_SET_METHOD(process, "hrtime", Hrtime);
2373 NODE_SET_METHOD(process, "dlopen", DLOpen);
2375 NODE_SET_METHOD(process, "uptime", Uptime);
2376 NODE_SET_METHOD(process, "memoryUsage", MemoryUsage);
2378 NODE_SET_METHOD(process, "binding", Binding);
2380 NODE_SET_METHOD(process, "_setupDomainUse", SetupDomainUse);
2382 // values use to cross communicate with processNextTick
2383 Local<Object> info_box = Object::New();
2384 info_box->SetIndexedPropertiesToExternalArrayData(&tick_infobox,
2385 kExternalUnsignedIntArray,
2387 process->Set(String::NewSymbol("_tickInfoBox"), info_box);
2389 // pre-set _events object for faster emit checks
2390 process->Set(String::NewSymbol("_events"), Object::New());
2392 return scope.Close(process);
2396 static void AtExit() {
2397 uv_tty_reset_mode();
2401 static void SignalExit(int signal) {
2402 uv_tty_reset_mode();
2403 _exit(128 + signal);
2407 void Load(Handle<Object> process_l) {
2408 HandleScope handle_scope(node_isolate);
2410 process_symbol = String::New("process");
2411 domain_symbol = String::New("domain");
2413 // Compile, execute the src/node.js file. (Which was included as static C
2414 // string in node_natives.h. 'natve_node' is the string containing that
2417 // The node.js file returns a function 'f'
2422 // Disable verbose mode to stop FatalException() handler from trying
2423 // to handle the exception. Errors this early in the start-up phase
2424 // are not safe to ignore.
2425 try_catch.SetVerbose(false);
2427 Local<Value> f_value = ExecuteString(MainSource(), String::New("node.js"));
2428 if (try_catch.HasCaught()) {
2429 ReportException(try_catch);
2432 assert(f_value->IsFunction());
2433 Local<Function> f = Local<Function>::Cast(f_value);
2435 // Now we call 'f' with the 'process' variable that we've built up with
2436 // all our bindings. Inside node.js we'll take care of assigning things to
2439 // We start the process this way in order to be more modular. Developers
2440 // who do not like how 'src/node.js' setups the module system but do like
2441 // Node's I/O bindings may want to replace 'f' with their own function.
2443 // Add a reference to the global object
2444 Local<Object> global = v8::Context::GetCurrent()->Global();
2446 #if defined HAVE_DTRACE || defined HAVE_ETW || defined HAVE_SYSTEMTAP
2450 #if defined HAVE_PERFCTR
2451 InitPerfCounters(global);
2454 // Enable handling of uncaught exceptions
2455 // (FatalException(), break on uncaught exception in debugger)
2457 // This is not strictly necessary since it's almost impossible
2458 // to attach the debugger fast enought to break on exception
2459 // thrown during process startup.
2460 try_catch.SetVerbose(true);
2462 Local<Value> arg = process_l;
2463 f->Call(global, 1, &arg);
2466 static void PrintHelp();
2468 static void ParseDebugOpt(const char* arg) {
2471 if (strstr(arg, "--debug-port=") == arg) {
2472 p = 1 + strchr(arg, '=');
2473 debug_port = atoi(p);
2475 use_debug_agent = true;
2476 if (!strcmp (arg, "--debug-brk")) {
2477 debug_wait_connect = true;
2479 } else if (!strcmp(arg, "--debug")) {
2481 } else if (strstr(arg, "--debug-brk=") == arg) {
2482 debug_wait_connect = true;
2483 p = 1 + strchr(arg, '=');
2484 debug_port = atoi(p);
2485 } else if (strstr(arg, "--debug=") == arg) {
2486 p = 1 + strchr(arg, '=');
2487 debug_port = atoi(p);
2490 if (p && debug_port > 1024 && debug_port < 65536)
2493 fprintf(stderr, "Bad debug option.\n");
2494 if (p) fprintf(stderr, "Debug port must be in range 1025 to 65535.\n");
2500 static void PrintHelp() {
2501 printf("Usage: node [options] [ -e script | script.js ] [arguments] \n"
2502 " node debug script.js [arguments] \n"
2505 " -v, --version print node's version\n"
2506 " -e, --eval script evaluate script\n"
2507 " -p, --print evaluate script and print result\n"
2508 " -i, --interactive always enter the REPL even if stdin\n"
2509 " does not appear to be a terminal\n"
2510 " --no-deprecation silence deprecation warnings\n"
2511 " --trace-deprecation show stack traces on deprecations\n"
2512 " --v8-options print v8 command line options\n"
2513 " --max-stack-size=val set max v8 stack size (bytes)\n"
2515 "Environment variables:\n"
2517 "NODE_PATH ';'-separated list of directories\n"
2519 "NODE_PATH ':'-separated list of directories\n"
2521 " prefixed to the module search path.\n"
2522 "NODE_MODULE_CONTEXTS Set to 1 to load modules in their own\n"
2523 " global contexts.\n"
2524 "NODE_DISABLE_COLORS Set to 1 to disable colors in the REPL\n"
2526 "Documentation can be found at http://nodejs.org/\n");
2530 // Parse node command line arguments.
2531 static void ParseArgs(int argc, char **argv) {
2534 // TODO use parse opts
2535 for (i = 1; i < argc; i++) {
2536 const char *arg = argv[i];
2537 if (strstr(arg, "--debug") == arg) {
2539 argv[i] = const_cast<char*>("");
2540 } else if (strcmp(arg, "--version") == 0 || strcmp(arg, "-v") == 0) {
2541 printf("%s\n", NODE_VERSION);
2543 } else if (strstr(arg, "--max-stack-size=") == arg) {
2545 p = 1 + strchr(arg, '=');
2546 max_stack_size = atoi(p);
2547 argv[i] = const_cast<char*>("");
2548 } else if (strcmp(arg, "--help") == 0 || strcmp(arg, "-h") == 0) {
2551 } else if (strcmp(arg, "--eval") == 0 ||
2552 strcmp(arg, "-e") == 0 ||
2553 strcmp(arg, "--print") == 0 ||
2554 strcmp(arg, "-pe") == 0 ||
2555 strcmp(arg, "-p") == 0) {
2556 bool is_eval = strchr(arg, 'e') != NULL;
2557 bool is_print = strchr(arg, 'p') != NULL;
2559 // argument to -p and --print is optional
2560 if (is_eval == true && i + 1 >= argc) {
2561 fprintf(stderr, "Error: %s requires an argument\n", arg);
2565 print_eval = print_eval || is_print;
2566 argv[i] = const_cast<char*>("");
2568 // --eval, -e and -pe always require an argument
2569 if (is_eval == true) {
2570 eval_string = argv[++i];
2574 // next arg is the expression to evaluate unless it starts with:
2575 // - a dash, then it's another switch
2576 // - "\\-", then it's an escaped expression, drop the backslash
2577 if (argv[i + 1] == NULL) continue;
2578 if (argv[i + 1][0] == '-') continue;
2579 eval_string = argv[++i];
2580 if (strncmp(eval_string, "\\-", 2) == 0) ++eval_string;
2581 } else if (strcmp(arg, "--interactive") == 0 || strcmp(arg, "-i") == 0) {
2583 argv[i] = const_cast<char*>("");
2584 } else if (strcmp(arg, "--v8-options") == 0) {
2585 argv[i] = const_cast<char*>("--help");
2586 } else if (strcmp(arg, "--no-deprecation") == 0) {
2587 argv[i] = const_cast<char*>("");
2588 no_deprecation = true;
2589 } else if (strcmp(arg, "--trace-deprecation") == 0) {
2590 argv[i] = const_cast<char*>("");
2591 trace_deprecation = true;
2592 } else if (strcmp(arg, "--throw-deprecation") == 0) {
2593 argv[i] = const_cast<char*>("");
2594 throw_deprecation = true;
2595 } else if (argv[i][0] != '-') {
2600 option_end_index = i;
2604 // Called from the main thread.
2605 static void DispatchDebugMessagesAsyncCallback(uv_async_t* handle, int status) {
2606 v8::Debug::ProcessDebugMessages();
2610 // Called from V8 Debug Agent TCP thread.
2611 static void DispatchMessagesDebugAgentCallback() {
2612 uv_async_send(&dispatch_debug_messages_async);
2616 // Called from the main thread
2617 static void EmitDebugEnabledAsyncCallback(uv_async_t* handle, int status) {
2618 HandleScope handle_scope(node_isolate);
2619 Local<Object> obj = Object::New();
2620 obj->Set(String::New("cmd"), String::New("NODE_DEBUG_ENABLED"));
2621 Local<Value> args[] = { String::New("internalMessage"), obj };
2622 MakeCallback(process_p, "emit", ARRAY_SIZE(args), args);
2626 // Called from the signal watcher callback
2627 static void EmitDebugEnabled() {
2628 uv_async_send(&emit_debug_enabled_async);
2632 static void EnableDebug(bool wait_connect) {
2633 // If we're called from another thread, make sure to enter the right
2635 node_isolate->Enter();
2637 v8::Debug::SetDebugMessageDispatchHandler(DispatchMessagesDebugAgentCallback,
2640 // Start the debug thread and it's associated TCP server on port 5858.
2641 bool r = v8::Debug::EnableAgent("node " NODE_VERSION,
2645 // Crappy check that everything went well. FIXME
2648 // Print out some information.
2649 fprintf(stderr, "debugger listening on port %d\n", debug_port);
2652 debugger_running = true;
2654 // Do not emit NODE_DEBUG_ENABLED when debugger is enabled before starting
2655 // the main process (i.e. when called via `node --debug`)
2656 if (!process_p.IsEmpty())
2659 node_isolate->Exit();
2664 static void EnableDebugSignalHandler(uv_signal_t* handle, int) {
2665 // Break once process will return execution to v8
2666 v8::Debug::DebugBreak(node_isolate);
2668 if (!debugger_running) {
2669 fprintf(stderr, "Hit SIGUSR1 - starting debugger agent.\n");
2675 static void RegisterSignalHandler(int signal, void (*handler)(int)) {
2676 struct sigaction sa;
2678 memset(&sa, 0, sizeof(sa));
2679 sa.sa_handler = handler;
2680 sigfillset(&sa.sa_mask);
2681 sigaction(signal, &sa, NULL);
2685 void DebugProcess(const FunctionCallbackInfo<Value>& args) {
2686 HandleScope scope(node_isolate);
2688 if (args.Length() != 1) {
2689 return ThrowError("Invalid number of arguments.");
2695 pid = args[0]->IntegerValue();
2696 r = kill(pid, SIGUSR1);
2698 return ThrowErrnoException(errno, "kill");
2705 DWORD WINAPI EnableDebugThreadProc(void* arg) {
2706 // Break once process will return execution to v8
2707 if (!debugger_running) {
2708 for (int i = 0; i < 1; i++) {
2709 fprintf(stderr, "Starting debugger agent.\r\n");
2715 v8::Debug::DebugBreak(node_isolate);
2721 static int GetDebugSignalHandlerMappingName(DWORD pid, wchar_t* buf,
2723 return _snwprintf(buf, buf_len, L"node-debug-handler-%u", pid);
2727 static int RegisterDebugSignalHandler() {
2728 wchar_t mapping_name[32];
2729 HANDLE mapping_handle;
2731 LPTHREAD_START_ROUTINE* handler;
2733 pid = GetCurrentProcessId();
2735 if (GetDebugSignalHandlerMappingName(pid,
2737 ARRAY_SIZE(mapping_name)) < 0) {
2741 mapping_handle = CreateFileMappingW(INVALID_HANDLE_VALUE,
2747 if (mapping_handle == NULL) {
2751 handler = reinterpret_cast<LPTHREAD_START_ROUTINE*>(
2752 MapViewOfFile(mapping_handle,
2753 FILE_MAP_ALL_ACCESS,
2757 if (handler == NULL) {
2758 CloseHandle(mapping_handle);
2762 *handler = EnableDebugThreadProc;
2764 UnmapViewOfFile((void*) handler);
2770 static void DebugProcess(const FunctionCallbackInfo<Value>& args) {
2771 HandleScope scope(node_isolate);
2773 HANDLE process = NULL;
2774 HANDLE thread = NULL;
2775 HANDLE mapping = NULL;
2776 wchar_t mapping_name[32];
2777 LPTHREAD_START_ROUTINE* handler = NULL;
2779 if (args.Length() != 1) {
2780 ThrowError("Invalid number of arguments.");
2784 pid = (DWORD) args[0]->IntegerValue();
2786 process = OpenProcess(PROCESS_CREATE_THREAD | PROCESS_QUERY_INFORMATION |
2787 PROCESS_VM_OPERATION | PROCESS_VM_WRITE |
2791 if (process == NULL) {
2792 ThrowException(WinapiErrnoException(GetLastError(), "OpenProcess"));
2796 if (GetDebugSignalHandlerMappingName(pid,
2798 ARRAY_SIZE(mapping_name)) < 0) {
2799 ThrowErrnoException(errno, "sprintf");
2803 mapping = OpenFileMappingW(FILE_MAP_READ, FALSE, mapping_name);
2804 if (mapping == NULL) {
2805 ThrowException(WinapiErrnoException(GetLastError(), "OpenFileMappingW"));
2809 handler = reinterpret_cast<LPTHREAD_START_ROUTINE*>(
2810 MapViewOfFile(mapping,
2815 if (handler == NULL || *handler == NULL) {
2816 ThrowException(WinapiErrnoException(GetLastError(), "MapViewOfFile"));
2820 thread = CreateRemoteThread(process,
2827 if (thread == NULL) {
2828 ThrowException(WinapiErrnoException(GetLastError(), "CreateRemoteThread"));
2832 // Wait for the thread to terminate
2833 if (WaitForSingleObject(thread, INFINITE) != WAIT_OBJECT_0) {
2834 ThrowException(WinapiErrnoException(GetLastError(), "WaitForSingleObject"));
2839 if (process != NULL) {
2840 CloseHandle(process);
2842 if (thread != NULL) {
2843 CloseHandle(thread);
2845 if (handler != NULL) {
2846 UnmapViewOfFile(handler);
2848 if (mapping != NULL) {
2849 CloseHandle(mapping);
2855 static void DebugPause(const FunctionCallbackInfo<Value>& args) {
2856 v8::Debug::DebugBreak(node_isolate);
2860 static void DebugEnd(const FunctionCallbackInfo<Value>& args) {
2861 if (debugger_running) {
2862 v8::Debug::DisableAgent();
2863 debugger_running = false;
2868 char** Init(int argc, char *argv[]) {
2869 // Initialize prog_start_time to get relative uptime.
2870 uv_uptime(&prog_start_time);
2872 // Make inherited handles noninheritable.
2873 uv_disable_stdio_inheritance();
2875 // init async debug messages dispatching
2876 uv_async_init(uv_default_loop(),
2877 &dispatch_debug_messages_async,
2878 DispatchDebugMessagesAsyncCallback);
2879 uv_unref(reinterpret_cast<uv_handle_t*>(&dispatch_debug_messages_async));
2881 // init async NODE_DEBUG_ENABLED emitter
2882 uv_async_init(uv_default_loop(),
2883 &emit_debug_enabled_async,
2884 EmitDebugEnabledAsyncCallback);
2885 uv_unref(reinterpret_cast<uv_handle_t*>(&emit_debug_enabled_async));
2887 // Parse a few arguments which are specific to Node.
2888 node::ParseArgs(argc, argv);
2889 // Parse the rest of the args (up to the 'option_end_index' (where '--' was
2890 // in the command line))
2891 int v8argc = option_end_index;
2892 char **v8argv = argv;
2894 if (debug_wait_connect) {
2895 // v8argv is a copy of argv up to the script file argument +2 if --debug-brk
2896 // to expose the v8 debugger js object so that node.js can set
2897 // a breakpoint on the first line of the startup script
2899 v8argv = new char*[v8argc];
2900 memcpy(v8argv, argv, sizeof(*argv) * option_end_index);
2901 v8argv[option_end_index] = const_cast<char*>("--expose_debug_as");
2902 v8argv[option_end_index + 1] = const_cast<char*>("v8debug");
2905 // For the normal stack which moves from high to low addresses when frames
2906 // are pushed, we can compute the limit as stack_size bytes below the
2907 // the address of a stack variable (e.g. &stack_var) as an approximation
2908 // of the start of the stack (we're assuming that we haven't pushed a lot
2910 if (max_stack_size != 0) {
2912 ResourceConstraints constraints;
2914 uint32_t *stack_limit = &stack_var - (max_stack_size / sizeof(uint32_t));
2915 constraints.set_stack_limit(stack_limit);
2916 SetResourceConstraints(&constraints); // Must be done before V8::Initialize
2918 V8::SetFlagsFromCommandLine(&v8argc, v8argv, false);
2920 const char typed_arrays_flag[] = "--harmony_typed_arrays";
2921 V8::SetFlagsFromString(typed_arrays_flag, sizeof(typed_arrays_flag) - 1);
2922 V8::SetArrayBufferAllocator(&ArrayBufferAllocator::the_singleton);
2924 // Fetch a reference to the main isolate, so we have a reference to it
2925 // even when we need it to access it from another (debugger) thread.
2926 node_isolate = Isolate::GetCurrent();
2930 RegisterSignalHandler(SIGPIPE, SIG_IGN);
2931 RegisterSignalHandler(SIGINT, SignalExit);
2932 RegisterSignalHandler(SIGTERM, SignalExit);
2935 uv_check_init(uv_default_loop(), &check_immediate_watcher);
2936 uv_unref(reinterpret_cast<uv_handle_t*>(&check_immediate_watcher));
2937 uv_idle_init(uv_default_loop(), &idle_immediate_dummy);
2939 V8::SetFatalErrorHandler(node::OnFatalError);
2940 V8::AddMessageListener(OnMessage);
2942 // If the --debug flag was specified then initialize the debug thread.
2943 if (use_debug_agent) {
2944 EnableDebug(debug_wait_connect);
2947 RegisterDebugSignalHandler();
2949 static uv_signal_t signal_watcher;
2950 uv_signal_init(uv_default_loop(), &signal_watcher);
2951 uv_signal_start(&signal_watcher, EnableDebugSignalHandler, SIGUSR1);
2952 uv_unref(reinterpret_cast<uv_handle_t*>(&signal_watcher));
2960 struct AtExitCallback {
2961 AtExitCallback* next_;
2962 void (*cb_)(void* arg);
2966 static AtExitCallback* at_exit_functions_;
2970 AtExitCallback* p = at_exit_functions_;
2971 at_exit_functions_ = NULL;
2974 AtExitCallback* q = p->next_;
2982 void AtExit(void (*cb)(void* arg), void* arg) {
2983 AtExitCallback* p = new AtExitCallback;
2986 p->next_ = at_exit_functions_;
2987 at_exit_functions_ = p;
2991 void EmitExit(v8::Handle<v8::Object> process_l) {
2992 // process.emit('exit')
2993 process_l->Set(String::NewSymbol("_exiting"), True(node_isolate));
2994 Local<Value> args[] = { String::New("exit"), Integer::New(0, node_isolate) };
2995 MakeCallback(process_l, "emit", ARRAY_SIZE(args), args);
2998 static char **copy_argv(int argc, char **argv) {
3006 for(i = 0; i < argc; i++) {
3007 strlen_sum += strlen(argv[i]) + 1;
3010 argv_copy = (char **) malloc(sizeof(char *) * (argc + 1) + strlen_sum);
3015 argv_data = (char *) argv_copy + sizeof(char *) * (argc + 1);
3017 for(i = 0; i < argc; i++) {
3018 argv_copy[i] = argv_data;
3019 len = strlen(argv[i]) + 1;
3020 memcpy(argv_data, argv[i], len);
3024 argv_copy[argc] = NULL;
3029 int Start(int argc, char *argv[]) {
3030 // Hack aroung with the argv pointer. Used for process.title = "blah".
3031 argv = uv_setup_args(argc, argv);
3033 // Logic to duplicate argv as Init() modifies arguments
3034 // that are passed into it.
3035 char **argv_copy = copy_argv(argc, argv);
3037 // This needs to run *before* V8::Initialize()
3038 // Use copy here as to not modify the original argv:
3039 Init(argc, argv_copy);
3043 Locker locker(node_isolate);
3044 HandleScope handle_scope(node_isolate);
3046 // Create the one and only Context.
3047 Local<Context> context = Context::New(node_isolate);
3048 Context::Scope context_scope(context);
3050 binding_cache.Reset(node_isolate, Object::New());
3052 // Use original argv, as we're just copying values out of it.
3053 Local<Object> process_l = SetupProcessObject(argc, argv);
3055 // Create all the objects, load modules, do everything.
3056 // so your next reading stop should be node::Load()!
3059 // All our arguments are loaded. We've evaluated all of the scripts. We
3060 // might even have created TCP servers. Now we enter the main eventloop. If
3061 // there are no watchers on the loop (except for the ones that were
3062 // uv_unref'd) then this function exits. As long as there are active
3063 // watchers, it blocks.
3064 uv_run(uv_default_loop(), UV_RUN_DEFAULT);
3066 EmitExit(process_l);
3071 // Clean up. Not strictly necessary.
3075 // Clean up the copy: