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;
269 ERRNO_CASE(EADDRINUSE);
273 ERRNO_CASE(EADDRNOTAVAIL);
277 ERRNO_CASE(EAFNOSUPPORT);
285 # if EAGAIN != EWOULDBLOCK
286 ERRNO_CASE(EWOULDBLOCK);
291 ERRNO_CASE(EALREADY);
307 ERRNO_CASE(ECANCELED);
315 ERRNO_CASE(ECONNABORTED);
319 ERRNO_CASE(ECONNREFUSED);
323 ERRNO_CASE(ECONNRESET);
331 ERRNO_CASE(EDESTADDRREQ);
355 ERRNO_CASE(EHOSTUNREACH);
367 ERRNO_CASE(EINPROGRESS);
403 ERRNO_CASE(EMSGSIZE);
407 ERRNO_CASE(EMULTIHOP);
411 ERRNO_CASE(ENAMETOOLONG);
415 ERRNO_CASE(ENETDOWN);
419 ERRNO_CASE(ENETRESET);
423 ERRNO_CASE(ENETUNREACH);
455 # if ENOLINK != ENOLCK
469 ERRNO_CASE(ENOPROTOOPT);
489 ERRNO_CASE(ENOTCONN);
497 ERRNO_CASE(ENOTEMPTY);
501 ERRNO_CASE(ENOTSOCK);
508 ERRNO_CASE(EOPNOTSUPP);
522 ERRNO_CASE(EOVERFLOW);
537 #ifdef EPROTONOSUPPORT
538 ERRNO_CASE(EPROTONOSUPPORT);
542 ERRNO_CASE(EPROTOTYPE);
570 ERRNO_CASE(ETIMEDOUT);
585 const char *signo_string(int signo) {
586 #define SIGNO_CASE(e) case e: return #e;
614 # if SIGABRT != SIGIOT
658 SIGNO_CASE(SIGSTKFLT);
675 SIGNO_CASE(SIGBREAK);
699 SIGNO_CASE(SIGVTALRM);
707 SIGNO_CASE(SIGWINCH);
715 # if SIGPOLL != SIGIO
725 # if SIGPWR != SIGLOST
739 Local<Value> ErrnoException(int errorno,
744 Local<String> estring = String::NewSymbol(errno_string(errorno));
745 if (msg == NULL || msg[0] == '\0') {
746 msg = strerror(errorno);
748 Local<String> message = String::NewSymbol(msg);
750 Local<String> cons1 = String::Concat(estring, String::NewSymbol(", "));
751 Local<String> cons2 = String::Concat(cons1, message);
753 if (syscall_symbol.IsEmpty()) {
754 syscall_symbol = String::New("syscall");
755 errno_symbol = String::New("errno");
756 errpath_symbol = String::New("path");
757 code_symbol = String::New("code");
761 Local<String> cons3 = String::Concat(cons2, String::NewSymbol(" '"));
762 Local<String> cons4 = String::Concat(cons3, String::New(path));
763 Local<String> cons5 = String::Concat(cons4, String::NewSymbol("'"));
764 e = Exception::Error(cons5);
766 e = Exception::Error(cons2);
769 Local<Object> obj = e->ToObject();
771 obj->Set(errno_symbol, Integer::New(errorno, node_isolate));
772 obj->Set(code_symbol, estring);
773 if (path) obj->Set(errpath_symbol, String::New(path));
774 if (syscall) obj->Set(syscall_symbol, String::NewSymbol(syscall));
779 // hack alert! copy of ErrnoException, tuned for uv errors
780 Local<Value> UVException(int errorno,
784 if (syscall_symbol.IsEmpty()) {
785 syscall_symbol = String::New("syscall");
786 errno_symbol = String::New("errno");
787 errpath_symbol = String::New("path");
788 code_symbol = String::New("code");
792 msg = uv_strerror(errorno);
794 Local<String> estring = String::NewSymbol(uv_err_name(errorno));
795 Local<String> message = String::NewSymbol(msg);
796 Local<String> cons1 = String::Concat(estring, String::NewSymbol(", "));
797 Local<String> cons2 = String::Concat(cons1, message);
801 Local<String> path_str;
805 if (strncmp(path, "\\\\?\\UNC\\", 8) == 0) {
806 path_str = String::Concat(String::New("\\\\"), String::New(path + 8));
807 } else if (strncmp(path, "\\\\?\\", 4) == 0) {
808 path_str = String::New(path + 4);
810 path_str = String::New(path);
813 path_str = String::New(path);
816 Local<String> cons3 = String::Concat(cons2, String::NewSymbol(" '"));
817 Local<String> cons4 = String::Concat(cons3, path_str);
818 Local<String> cons5 = String::Concat(cons4, String::NewSymbol("'"));
819 e = Exception::Error(cons5);
821 e = Exception::Error(cons2);
824 Local<Object> obj = e->ToObject();
826 // TODO errno should probably go
827 obj->Set(errno_symbol, Integer::New(errorno, node_isolate));
828 obj->Set(code_symbol, estring);
829 if (path) obj->Set(errpath_symbol, path_str);
830 if (syscall) obj->Set(syscall_symbol, String::NewSymbol(syscall));
836 // Does about the same as strerror(),
837 // but supports all windows error messages
838 static const char *winapi_strerror(const int errorno) {
841 FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM |
842 FORMAT_MESSAGE_IGNORE_INSERTS, NULL, errorno,
843 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPTSTR)&errmsg, 0, NULL);
846 // Remove trailing newlines
847 for (int i = strlen(errmsg) - 1;
848 i >= 0 && (errmsg[i] == '\n' || errmsg[i] == '\r'); i--) {
854 // FormatMessage failed
855 return "Unknown error";
860 Local<Value> WinapiErrnoException(int errorno,
865 if (!msg || !msg[0]) {
866 msg = winapi_strerror(errorno);
868 Local<String> message = String::NewSymbol(msg);
870 if (syscall_symbol.IsEmpty()) {
871 syscall_symbol = String::New("syscall");
872 errno_symbol = String::New("errno");
873 errpath_symbol = String::New("path");
874 code_symbol = String::New("code");
878 Local<String> cons1 = String::Concat(message, String::NewSymbol(" '"));
879 Local<String> cons2 = String::Concat(cons1, String::New(path));
880 Local<String> cons3 = String::Concat(cons2, String::NewSymbol("'"));
881 e = Exception::Error(cons3);
883 e = Exception::Error(message);
886 Local<Object> obj = e->ToObject();
888 obj->Set(errno_symbol, Integer::New(errorno, node_isolate));
889 if (path) obj->Set(errpath_symbol, String::New(path));
890 if (syscall) obj->Set(syscall_symbol, String::NewSymbol(syscall));
896 void SetupDomainUse(const FunctionCallbackInfo<Value>& args) {
897 if (using_domains) return;
898 HandleScope scope(node_isolate);
899 using_domains = true;
900 Local<Object> process = PersistentToLocal(process_p);
901 Local<Value> tdc_v = process->Get(String::New("_tickDomainCallback"));
902 Local<Value> ndt_v = process->Get(String::New("_nextDomainTick"));
903 if (!tdc_v->IsFunction()) {
904 fprintf(stderr, "process._tickDomainCallback assigned to non-function\n");
907 if (!ndt_v->IsFunction()) {
908 fprintf(stderr, "process._nextDomainTick assigned to non-function\n");
911 Local<Function> tdc = tdc_v.As<Function>();
912 Local<Function> ndt = ndt_v.As<Function>();
913 process->Set(String::New("_tickCallback"), tdc);
914 process->Set(String::New("nextTick"), ndt);
915 process_tickCallback.Reset(node_isolate, tdc);
920 MakeDomainCallback(const Handle<Object> object,
921 const Handle<Function> callback,
923 Handle<Value> argv[]) {
924 // TODO Hook for long stack traces to be made here.
926 // lazy load domain specific symbols
927 if (enter_symbol.IsEmpty()) {
928 enter_symbol = String::New("enter");
929 exit_symbol = String::New("exit");
930 disposed_symbol = String::New("_disposed");
933 Local<Value> domain_v = object->Get(domain_symbol);
934 Local<Object> domain;
935 Local<Function> enter;
936 Local<Function> exit;
939 try_catch.SetVerbose(true);
941 bool has_domain = domain_v->IsObject();
943 domain = domain_v->ToObject();
944 assert(!domain.IsEmpty());
945 if (domain->Get(disposed_symbol)->IsTrue()) {
946 // domain has been disposed of.
947 return Undefined(node_isolate);
949 enter = Local<Function>::Cast(domain->Get(enter_symbol));
950 assert(!enter.IsEmpty());
951 enter->Call(domain, 0, NULL);
953 if (try_catch.HasCaught()) {
954 return Undefined(node_isolate);
958 Local<Value> ret = callback->Call(object, argc, argv);
960 if (try_catch.HasCaught()) {
961 return Undefined(node_isolate);
965 exit = Local<Function>::Cast(domain->Get(exit_symbol));
966 assert(!exit.IsEmpty());
967 exit->Call(domain, 0, NULL);
969 if (try_catch.HasCaught()) {
970 return Undefined(node_isolate);
974 if (tick_infobox.last_threw == 1) {
975 tick_infobox.last_threw = 0;
979 if (tick_infobox.in_tick == 1) {
983 if (tick_infobox.length == 0) {
984 tick_infobox.index = 0;
988 // process nextTicks after call
989 Local<Object> process = PersistentToLocal(process_p);
990 Local<Function> fn = PersistentToLocal(process_tickCallback);
991 fn->Call(process, 0, NULL);
993 if (try_catch.HasCaught()) {
994 return Undefined(node_isolate);
1002 MakeCallback(const Handle<Object> object,
1003 const Handle<Function> callback,
1005 Handle<Value> argv[]) {
1006 // TODO Hook for long stack traces to be made here.
1007 Local<Object> process = PersistentToLocal(process_p);
1010 return MakeDomainCallback(object, callback, argc, argv);
1012 // lazy load no domain next tick callbacks
1013 if (process_tickCallback.IsEmpty()) {
1014 Local<Value> cb_v = process->Get(String::New("_tickCallback"));
1015 if (!cb_v->IsFunction()) {
1016 fprintf(stderr, "process._tickCallback assigned to non-function\n");
1019 process_tickCallback.Reset(node_isolate, cb_v.As<Function>());
1023 try_catch.SetVerbose(true);
1025 Local<Value> ret = callback->Call(object, argc, argv);
1027 if (try_catch.HasCaught()) {
1028 return Undefined(node_isolate);
1031 if (tick_infobox.in_tick == 1) {
1035 if (tick_infobox.length == 0) {
1036 tick_infobox.index = 0;
1040 // process nextTicks after call
1041 Local<Function> fn = PersistentToLocal(process_tickCallback);
1042 fn->Call(process, 0, NULL);
1044 if (try_catch.HasCaught()) {
1045 return Undefined(node_isolate);
1053 MakeCallback(const Handle<Object> object,
1054 const Handle<String> symbol,
1056 Handle<Value> argv[]) {
1057 HandleScope scope(node_isolate);
1059 Local<Function> callback = object->Get(symbol).As<Function>();
1060 assert(callback->IsFunction());
1063 return scope.Close(MakeDomainCallback(object, callback, argc, argv));
1064 return scope.Close(MakeCallback(object, callback, argc, argv));
1069 MakeCallback(const Handle<Object> object,
1072 Handle<Value> argv[]) {
1073 HandleScope scope(node_isolate);
1076 MakeCallback(object, String::NewSymbol(method), argc, argv);
1078 return scope.Close(ret);
1082 enum encoding ParseEncoding(Handle<Value> encoding_v, enum encoding _default) {
1083 HandleScope scope(node_isolate);
1085 if (!encoding_v->IsString()) return _default;
1087 String::Utf8Value encoding(encoding_v);
1089 if (strcasecmp(*encoding, "utf8") == 0) {
1091 } else if (strcasecmp(*encoding, "utf-8") == 0) {
1093 } else if (strcasecmp(*encoding, "ascii") == 0) {
1095 } else if (strcasecmp(*encoding, "base64") == 0) {
1097 } else if (strcasecmp(*encoding, "ucs2") == 0) {
1099 } else if (strcasecmp(*encoding, "ucs-2") == 0) {
1101 } else if (strcasecmp(*encoding, "utf16le") == 0) {
1103 } else if (strcasecmp(*encoding, "utf-16le") == 0) {
1105 } else if (strcasecmp(*encoding, "binary") == 0) {
1107 } else if (strcasecmp(*encoding, "buffer") == 0) {
1109 } else if (strcasecmp(*encoding, "hex") == 0) {
1111 } else if (strcasecmp(*encoding, "raw") == 0) {
1112 if (!no_deprecation) {
1113 fprintf(stderr, "'raw' (array of integers) has been removed. "
1117 } else if (strcasecmp(*encoding, "raws") == 0) {
1118 if (!no_deprecation) {
1119 fprintf(stderr, "'raws' encoding has been renamed to 'binary'. "
1120 "Please update your code.\n");
1128 Local<Value> Encode(const void *buf, size_t len, enum encoding encoding) {
1129 return StringBytes::Encode(static_cast<const char*>(buf),
1134 // Returns -1 if the handle was not valid for decoding
1135 ssize_t DecodeBytes(v8::Handle<v8::Value> val, enum encoding encoding) {
1136 HandleScope scope(node_isolate);
1138 if (val->IsArray()) {
1139 fprintf(stderr, "'raw' encoding (array of integers) has been removed. "
1145 return StringBytes::Size(val, encoding);
1149 # define MIN(a, b) ((a) < (b) ? (a) : (b))
1152 // Returns number of bytes written.
1153 ssize_t DecodeWrite(char *buf,
1155 v8::Handle<v8::Value> val,
1156 enum encoding encoding) {
1157 return StringBytes::Write(buf, buflen, val, encoding, NULL);
1160 void DisplayExceptionLine(Handle<Message> message) {
1161 // Prevent re-entry into this function. For example, if there is
1162 // a throw from a program in vm.runInThisContext(code, filename, true),
1163 // then we want to show the original failure, not the secondary one.
1164 static bool displayed_error = false;
1166 if (displayed_error) return;
1167 displayed_error = true;
1169 uv_tty_reset_mode();
1171 fprintf(stderr, "\n");
1173 if (!message.IsEmpty()) {
1174 // Print (filename):(line number): (message).
1175 String::Utf8Value filename(message->GetScriptResourceName());
1176 const char* filename_string = *filename;
1177 int linenum = message->GetLineNumber();
1178 fprintf(stderr, "%s:%i\n", filename_string, linenum);
1179 // Print line of source code.
1180 String::Utf8Value sourceline(message->GetSourceLine());
1181 const char* sourceline_string = *sourceline;
1183 // Because of how node modules work, all scripts are wrapped with a
1184 // "function (module, exports, __filename, ...) {"
1185 // to provide script local variables.
1187 // When reporting errors on the first line of a script, this wrapper
1188 // function is leaked to the user. There used to be a hack here to
1189 // truncate off the first 62 characters, but it caused numerous other
1190 // problems when vm.runIn*Context() methods were used for non-module
1193 // If we ever decide to re-instate such a hack, the following steps
1196 // 1. Pass a flag around to say "this code was wrapped"
1197 // 2. Update the stack frame output so that it is also correct.
1199 // It would probably be simpler to add a line rather than add some
1200 // number of characters to the first line, since V8 truncates the
1201 // sourceline to 78 characters, and we end up not providing very much
1202 // useful debugging info to the user if we remove 62 characters.
1204 int start = message->GetStartColumn();
1205 int end = message->GetEndColumn();
1207 // fprintf(stderr, "---\nsourceline:%s\noffset:%d\nstart:%d\nend:%d\n---\n", sourceline_string, start, end);
1209 fprintf(stderr, "%s\n", sourceline_string);
1210 // Print wavy underline (GetUnderline is deprecated).
1211 for (int i = 0; i < start; i++) {
1212 fputc((sourceline_string[i] == '\t') ? '\t' : ' ', stderr);
1214 for (int i = start; i < end; i++) {
1217 fputc('\n', stderr);
1222 static void ReportException(Handle<Value> er, Handle<Message> message) {
1223 HandleScope scope(node_isolate);
1225 DisplayExceptionLine(message);
1227 Local<Value> trace_value(er->ToObject()->Get(String::New("stack")));
1228 String::Utf8Value trace(trace_value);
1230 // range errors have a trace member set to undefined
1231 if (trace.length() > 0 && !trace_value->IsUndefined()) {
1232 fprintf(stderr, "%s\n", *trace);
1234 // this really only happens for RangeErrors, since they're the only
1235 // kind that won't have all this info in the trace, or when non-Error
1236 // objects are thrown manually.
1237 bool isErrorObject = er->IsObject() &&
1238 !(er->ToObject()->Get(String::New("message"))->IsUndefined()) &&
1239 !(er->ToObject()->Get(String::New("name"))->IsUndefined());
1241 if (isErrorObject) {
1242 String::Utf8Value name(er->ToObject()->Get(String::New("name")));
1243 fprintf(stderr, "%s: ", *name);
1246 String::Utf8Value msg(!isErrorObject ? er
1247 : er->ToObject()->Get(String::New("message")));
1248 fprintf(stderr, "%s\n", *msg);
1255 static void ReportException(TryCatch& try_catch) {
1256 ReportException(try_catch.Exception(), try_catch.Message());
1260 // Executes a str within the current v8 context.
1261 Local<Value> ExecuteString(Handle<String> source, Handle<Value> filename) {
1262 HandleScope scope(node_isolate);
1265 // try_catch must be nonverbose to disable FatalException() handler,
1266 // we will handle exceptions ourself.
1267 try_catch.SetVerbose(false);
1269 Local<v8::Script> script = v8::Script::Compile(source, filename);
1270 if (script.IsEmpty()) {
1271 ReportException(try_catch);
1275 Local<Value> result = script->Run();
1276 if (result.IsEmpty()) {
1277 ReportException(try_catch);
1281 return scope.Close(result);
1285 static void GetActiveRequests(const FunctionCallbackInfo<Value>& args) {
1286 HandleScope scope(node_isolate);
1288 Local<Array> ary = Array::New();
1292 QUEUE_FOREACH(q, &req_wrap_queue) {
1293 ReqWrap<uv_req_t>* w = container_of(q, ReqWrap<uv_req_t>, req_wrap_queue_);
1294 if (w->persistent().IsEmpty()) continue;
1295 ary->Set(i++, w->object());
1298 args.GetReturnValue().Set(ary);
1302 // Non-static, friend of HandleWrap. Could have been a HandleWrap method but
1303 // implemented here for consistency with GetActiveRequests().
1304 void GetActiveHandles(const FunctionCallbackInfo<Value>& args) {
1305 HandleScope scope(node_isolate);
1307 Local<Array> ary = Array::New();
1311 Local<String> owner_sym = String::New("owner");
1313 QUEUE_FOREACH(q, &handle_wrap_queue) {
1314 HandleWrap* w = container_of(q, HandleWrap, handle_wrap_queue_);
1315 if (w->persistent().IsEmpty() || (w->flags_ & HandleWrap::kUnref)) continue;
1316 Local<Object> object = w->object();
1317 Local<Value> owner = object->Get(owner_sym);
1318 if (owner->IsUndefined()) owner = object;
1319 ary->Set(i++, owner);
1322 args.GetReturnValue().Set(ary);
1326 static void Abort(const FunctionCallbackInfo<Value>& args) {
1331 static void Chdir(const FunctionCallbackInfo<Value>& args) {
1332 HandleScope scope(node_isolate);
1334 if (args.Length() != 1 || !args[0]->IsString()) {
1335 return ThrowError("Bad argument."); // FIXME(bnoordhuis) ThrowTypeError?
1338 String::Utf8Value path(args[0]);
1339 int err = uv_chdir(*path);
1341 return ThrowUVException(err, "uv_chdir");
1346 static void Cwd(const FunctionCallbackInfo<Value>& args) {
1347 HandleScope scope(node_isolate);
1349 /* MAX_PATH is in characters, not bytes. Make sure we have enough headroom. */
1350 char buf[MAX_PATH * 4 + 1];
1352 char buf[PATH_MAX + 1];
1355 int err = uv_cwd(buf, ARRAY_SIZE(buf) - 1);
1357 return ThrowUVException(err, "uv_cwd");
1360 buf[ARRAY_SIZE(buf) - 1] = '\0';
1361 Local<String> cwd = String::New(buf);
1363 args.GetReturnValue().Set(cwd);
1367 static void Umask(const FunctionCallbackInfo<Value>& args) {
1368 HandleScope scope(node_isolate);
1371 if (args.Length() < 1 || args[0]->IsUndefined()) {
1373 umask(static_cast<mode_t>(old));
1375 } else if(!args[0]->IsInt32() && !args[0]->IsString()) {
1376 return ThrowTypeError("argument must be an integer or octal string.");
1380 if(args[0]->IsInt32()) {
1381 oct = args[0]->Uint32Value();
1384 String::Utf8Value str(args[0]);
1386 // Parse the octal string.
1387 for (int i = 0; i < str.length(); i++) {
1389 if (c > '7' || c < '0') {
1390 return ThrowTypeError("invalid octal string");
1396 old = umask(static_cast<mode_t>(oct));
1399 args.GetReturnValue().Set(old);
1403 #if defined(__POSIX__) && !defined(__ANDROID__)
1405 static const uid_t uid_not_found = static_cast<uid_t>(-1);
1406 static const gid_t gid_not_found = static_cast<gid_t>(-1);
1409 static uid_t uid_by_name(const char* name) {
1417 if (getpwnam_r(name, &pwd, buf, sizeof(buf), &pp) == 0 && pp != NULL) {
1421 return uid_not_found;
1425 static char* name_by_uid(uid_t uid) {
1434 if ((rc = getpwuid_r(uid, &pwd, buf, sizeof(buf), &pp)) == 0 && pp != NULL) {
1435 return strdup(pp->pw_name);
1446 static gid_t gid_by_name(const char* name) {
1454 if (getgrnam_r(name, &pwd, buf, sizeof(buf), &pp) == 0 && pp != NULL) {
1458 return gid_not_found;
1462 #if 0 // For future use.
1463 static const char* name_by_gid(gid_t gid) {
1472 if ((rc = getgrgid_r(gid, &pwd, buf, sizeof(buf), &pp)) == 0 && pp != NULL) {
1473 return strdup(pp->gr_name);
1485 static uid_t uid_by_name(Handle<Value> value) {
1486 if (value->IsUint32()) {
1487 return static_cast<uid_t>(value->Uint32Value());
1489 String::Utf8Value name(value);
1490 return uid_by_name(*name);
1495 static gid_t gid_by_name(Handle<Value> value) {
1496 if (value->IsUint32()) {
1497 return static_cast<gid_t>(value->Uint32Value());
1499 String::Utf8Value name(value);
1500 return gid_by_name(*name);
1505 static void GetUid(const FunctionCallbackInfo<Value>& args) {
1506 args.GetReturnValue().Set(getuid());
1510 static void GetGid(const FunctionCallbackInfo<Value>& args) {
1511 args.GetReturnValue().Set(getgid());
1515 static void SetGid(const FunctionCallbackInfo<Value>& args) {
1516 HandleScope scope(node_isolate);
1518 if (!args[0]->IsUint32() && !args[0]->IsString()) {
1519 return ThrowTypeError("setgid argument must be a number or a string");
1522 gid_t gid = gid_by_name(args[0]);
1524 if (gid == gid_not_found) {
1525 return ThrowError("setgid group id does not exist");
1529 return ThrowErrnoException(errno, "setgid");
1534 static void SetUid(const FunctionCallbackInfo<Value>& args) {
1535 HandleScope scope(node_isolate);
1537 if (!args[0]->IsUint32() && !args[0]->IsString()) {
1538 return ThrowTypeError("setuid argument must be a number or a string");
1541 uid_t uid = uid_by_name(args[0]);
1543 if (uid == uid_not_found) {
1544 return ThrowError("setuid user id does not exist");
1548 return ThrowErrnoException(errno, "setuid");
1553 static void GetGroups(const FunctionCallbackInfo<Value>& args) {
1554 HandleScope scope(node_isolate);
1556 int ngroups = getgroups(0, NULL);
1558 if (ngroups == -1) {
1559 return ThrowErrnoException(errno, "getgroups");
1562 gid_t* groups = new gid_t[ngroups];
1564 ngroups = getgroups(ngroups, groups);
1566 if (ngroups == -1) {
1568 return ThrowErrnoException(errno, "getgroups");
1571 Local<Array> groups_list = Array::New(ngroups);
1572 bool seen_egid = false;
1573 gid_t egid = getegid();
1575 for (int i = 0; i < ngroups; i++) {
1576 groups_list->Set(i, Integer::New(groups[i], node_isolate));
1577 if (groups[i] == egid) seen_egid = true;
1582 if (seen_egid == false) {
1583 groups_list->Set(ngroups, Integer::New(egid, node_isolate));
1586 args.GetReturnValue().Set(groups_list);
1590 static void SetGroups(const FunctionCallbackInfo<Value>& args) {
1591 HandleScope scope(node_isolate);
1593 if (!args[0]->IsArray()) {
1594 return ThrowTypeError("argument 1 must be an array");
1597 Local<Array> groups_list = args[0].As<Array>();
1598 size_t size = groups_list->Length();
1599 gid_t* groups = new gid_t[size];
1601 for (size_t i = 0; i < size; i++) {
1602 gid_t gid = gid_by_name(groups_list->Get(i));
1604 if (gid == gid_not_found) {
1606 return ThrowError("group name not found");
1612 int rc = setgroups(size, groups);
1616 return ThrowErrnoException(errno, "setgroups");
1621 static void InitGroups(const FunctionCallbackInfo<Value>& args) {
1622 HandleScope scope(node_isolate);
1624 if (!args[0]->IsUint32() && !args[0]->IsString()) {
1625 return ThrowTypeError("argument 1 must be a number or a string");
1628 if (!args[1]->IsUint32() && !args[1]->IsString()) {
1629 return ThrowTypeError("argument 2 must be a number or a string");
1632 String::Utf8Value arg0(args[0]);
1637 if (args[0]->IsUint32()) {
1638 user = name_by_uid(args[0]->Uint32Value());
1646 return ThrowError("initgroups user not found");
1649 extra_group = gid_by_name(args[1]);
1651 if (extra_group == gid_not_found) {
1652 if (must_free) free(user);
1653 return ThrowError("initgroups extra group not found");
1656 int rc = initgroups(user, extra_group);
1663 return ThrowErrnoException(errno, "initgroups");
1667 #endif // __POSIX__ && !defined(__ANDROID__)
1670 void Exit(const FunctionCallbackInfo<Value>& args) {
1671 HandleScope scope(node_isolate);
1672 exit(args[0]->IntegerValue());
1676 static void Uptime(const FunctionCallbackInfo<Value>& args) {
1677 HandleScope scope(node_isolate);
1679 if (uv_uptime(&uptime)) return;
1680 args.GetReturnValue().Set(uptime - prog_start_time);
1684 void MemoryUsage(const FunctionCallbackInfo<Value>& args) {
1685 HandleScope scope(node_isolate);
1689 int err = uv_resident_set_memory(&rss);
1691 return ThrowUVException(err, "uv_resident_set_memory");
1694 Local<Object> info = Object::New();
1696 if (rss_symbol.IsEmpty()) {
1697 rss_symbol = String::New("rss");
1698 heap_total_symbol = String::New("heapTotal");
1699 heap_used_symbol = String::New("heapUsed");
1702 info->Set(rss_symbol, Number::New(rss));
1705 HeapStatistics v8_heap_stats;
1706 node_isolate->GetHeapStatistics(&v8_heap_stats);
1707 info->Set(heap_total_symbol,
1708 Integer::NewFromUnsigned(v8_heap_stats.total_heap_size(),
1710 info->Set(heap_used_symbol,
1711 Integer::NewFromUnsigned(v8_heap_stats.used_heap_size(),
1714 args.GetReturnValue().Set(info);
1718 void Kill(const FunctionCallbackInfo<Value>& args) {
1719 HandleScope scope(node_isolate);
1721 if (args.Length() != 2) {
1722 return ThrowError("Bad argument.");
1725 int pid = args[0]->IntegerValue();
1726 int sig = args[1]->Int32Value();
1727 int err = uv_kill(pid, sig);
1728 args.GetReturnValue().Set(err);
1731 // used in Hrtime() below
1732 #define NANOS_PER_SEC 1000000000
1734 // Hrtime exposes libuv's uv_hrtime() high-resolution timer.
1735 // The value returned by uv_hrtime() is a 64-bit int representing nanoseconds,
1736 // so this function instead returns an Array with 2 entries representing seconds
1737 // and nanoseconds, to avoid any integer overflow possibility.
1738 // Pass in an Array from a previous hrtime() call to instead get a time diff.
1739 void Hrtime(const FunctionCallbackInfo<Value>& args) {
1740 HandleScope scope(node_isolate);
1742 uint64_t t = uv_hrtime();
1744 if (args.Length() > 0) {
1745 // return a time diff tuple
1746 if (!args[0]->IsArray()) {
1747 return ThrowTypeError("process.hrtime() only accepts an Array tuple.");
1749 Local<Array> inArray = Local<Array>::Cast(args[0]);
1750 uint64_t seconds = inArray->Get(0)->Uint32Value();
1751 uint64_t nanos = inArray->Get(1)->Uint32Value();
1752 t -= (seconds * NANOS_PER_SEC) + nanos;
1755 Local<Array> tuple = Array::New(2);
1756 tuple->Set(0, Integer::NewFromUnsigned(t / NANOS_PER_SEC, node_isolate));
1757 tuple->Set(1, Integer::NewFromUnsigned(t % NANOS_PER_SEC, node_isolate));
1758 args.GetReturnValue().Set(tuple);
1762 typedef void (UV_DYNAMIC* extInit)(Handle<Object> exports);
1764 // DLOpen is process.dlopen(module, filename).
1765 // Used to load 'module.node' dynamically shared objects.
1766 void DLOpen(const FunctionCallbackInfo<Value>& args) {
1767 HandleScope scope(node_isolate);
1768 char symbol[1024], *base, *pos;
1772 if (args.Length() < 2) {
1773 return ThrowError("process.dlopen takes exactly 2 arguments.");
1776 Local<Object> module = args[0]->ToObject(); // Cast
1777 String::Utf8Value filename(args[1]); // Cast
1779 if (exports_symbol.IsEmpty()) {
1780 exports_symbol = String::New("exports");
1782 Local<Object> exports = module->Get(exports_symbol)->ToObject();
1784 if (uv_dlopen(*filename, &lib)) {
1785 Local<String> errmsg = String::New(uv_dlerror(&lib));
1787 // Windows needs to add the filename into the error message
1788 errmsg = String::Concat(errmsg, args[1]->ToString());
1790 ThrowException(Exception::Error(errmsg));
1794 String::Utf8Value path(args[1]);
1797 /* Find the shared library filename within the full path. */
1799 pos = strrchr(base, '/');
1805 pos = strpbrk(base, "\\/:");
1813 /* Strip the .node extension. */
1814 pos = strrchr(base, '.');
1819 /* Add the `_module` suffix to the extension name. */
1820 r = snprintf(symbol, sizeof symbol, "%s_module", base);
1821 if (r <= 0 || static_cast<size_t>(r) >= sizeof symbol) {
1822 return ThrowError("Out of memory.");
1825 /* Replace dashes with underscores. When loading foo-bar.node,
1826 * look for foo_bar_module, not foo-bar_module.
1828 for (pos = symbol; *pos != '\0'; ++pos) {
1829 if (*pos == '-') *pos = '_';
1832 node_module_struct *mod;
1833 if (uv_dlsym(&lib, symbol, reinterpret_cast<void**>(&mod))) {
1835 snprintf(errmsg, sizeof(errmsg), "Symbol %s not found.", symbol);
1836 return ThrowError(errmsg);
1839 if (mod->version != NODE_MODULE_VERSION) {
1843 "Module version mismatch. Expected %d, got %d.",
1844 NODE_MODULE_VERSION, mod->version);
1845 return ThrowError(errmsg);
1848 // Execute the C++ module
1849 mod->register_func(exports, module);
1851 // Tell coverity that 'handle' should not be freed when we return.
1852 // coverity[leaked_storage]
1856 static void OnFatalError(const char* location, const char* message) {
1858 fprintf(stderr, "FATAL ERROR: %s %s\n", location, message);
1860 fprintf(stderr, "FATAL ERROR: %s\n", message);
1870 NO_RETURN void FatalError(const char* location, const char* message) {
1871 OnFatalError(location, message);
1872 // to supress compiler warning
1877 void FatalException(Handle<Value> error, Handle<Message> message) {
1878 HandleScope scope(node_isolate);
1880 if (fatal_exception_symbol.IsEmpty())
1881 fatal_exception_symbol = String::New("_fatalException");
1883 Local<Object> process = PersistentToLocal(process_p);
1884 Local<Value> fatal_v = process->Get(fatal_exception_symbol);
1886 if (!fatal_v->IsFunction()) {
1887 // failed before the process._fatalException function was added!
1888 // this is probably pretty bad. Nothing to do but report and exit.
1889 ReportException(error, message);
1893 Local<Function> fatal_f = Local<Function>::Cast(fatal_v);
1895 TryCatch fatal_try_catch;
1897 // Do not call FatalException when _fatalException handler throws
1898 fatal_try_catch.SetVerbose(false);
1900 // this will return true if the JS layer handled it, false otherwise
1901 Local<Value> caught = fatal_f->Call(process, 1, &error);
1903 if (fatal_try_catch.HasCaught()) {
1904 // the fatal exception function threw, so we must exit
1905 ReportException(fatal_try_catch);
1909 if (false == caught->BooleanValue()) {
1910 ReportException(error, message);
1916 void FatalException(TryCatch& try_catch) {
1917 HandleScope scope(node_isolate);
1918 // TODO do not call FatalException if try_catch is verbose
1919 // (requires V8 API to expose getter for try_catch.is_verbose_)
1920 FatalException(try_catch.Exception(), try_catch.Message());
1924 void OnMessage(Handle<Message> message, Handle<Value> error) {
1925 // The current version of V8 sends messages for errors only
1926 // (thus `error` is always set).
1927 FatalException(error, message);
1931 static void Binding(const FunctionCallbackInfo<Value>& args) {
1932 HandleScope scope(node_isolate);
1934 Local<String> module = args[0]->ToString();
1935 String::Utf8Value module_v(module);
1936 node_module_struct* modp;
1938 Local<Object> cache = PersistentToLocal(binding_cache);
1939 Local<Object> exports;
1941 if (cache->Has(module)) {
1942 exports = cache->Get(module)->ToObject();
1943 args.GetReturnValue().Set(exports);
1947 // Append a string to process.moduleLoadList
1949 snprintf(buf, 1024, "Binding %s", *module_v);
1951 Local<Array> modules = PersistentToLocal(module_load_list);
1952 uint32_t l = modules->Length();
1953 modules->Set(l, String::New(buf));
1955 if ((modp = get_builtin_module(*module_v)) != NULL) {
1956 exports = Object::New();
1957 // Internal bindings don't have a "module" object,
1959 modp->register_func(exports, Undefined(node_isolate));
1960 cache->Set(module, exports);
1962 } else if (!strcmp(*module_v, "constants")) {
1963 exports = Object::New();
1964 DefineConstants(exports);
1965 cache->Set(module, exports);
1967 } else if (!strcmp(*module_v, "natives")) {
1968 exports = Object::New();
1969 DefineJavaScript(exports);
1970 cache->Set(module, exports);
1974 return ThrowError("No such module");
1977 args.GetReturnValue().Set(exports);
1981 static void ProcessTitleGetter(Local<String> property,
1982 const PropertyCallbackInfo<Value>& info) {
1983 HandleScope scope(node_isolate);
1985 uv_get_process_title(buffer, sizeof(buffer));
1986 info.GetReturnValue().Set(String::New(buffer));
1990 static void ProcessTitleSetter(Local<String> property,
1992 const PropertyCallbackInfo<void>& info) {
1993 HandleScope scope(node_isolate);
1994 String::Utf8Value title(value);
1995 // TODO: protect with a lock
1996 uv_set_process_title(*title);
2000 static void EnvGetter(Local<String> property,
2001 const PropertyCallbackInfo<Value>& info) {
2002 HandleScope scope(node_isolate);
2004 String::Utf8Value key(property);
2005 const char* val = getenv(*key);
2007 return info.GetReturnValue().Set(String::New(val));
2010 String::Value key(property);
2011 WCHAR buffer[32767]; // The maximum size allowed for environment variables.
2012 DWORD result = GetEnvironmentVariableW(reinterpret_cast<WCHAR*>(*key),
2014 ARRAY_SIZE(buffer));
2015 // If result >= sizeof buffer the buffer was too small. That should never
2016 // happen. If result == 0 and result != ERROR_SUCCESS the variable was not
2018 if ((result > 0 || GetLastError() == ERROR_SUCCESS) &&
2019 result < ARRAY_SIZE(buffer)) {
2020 return info.GetReturnValue().Set(
2021 String::New(reinterpret_cast<uint16_t*>(buffer), result));
2024 // Not found. Fetch from prototype.
2025 info.GetReturnValue().Set(
2026 info.Data().As<Object>()->Get(property));
2030 static void EnvSetter(Local<String> property,
2032 const PropertyCallbackInfo<Value>& info) {
2033 HandleScope scope(node_isolate);
2035 String::Utf8Value key(property);
2036 String::Utf8Value val(value);
2037 setenv(*key, *val, 1);
2039 String::Value key(property);
2040 String::Value val(value);
2041 WCHAR* key_ptr = reinterpret_cast<WCHAR*>(*key);
2042 // Environment variables that start with '=' are read-only.
2043 if (key_ptr[0] != L'=') {
2044 SetEnvironmentVariableW(key_ptr, reinterpret_cast<WCHAR*>(*val));
2047 // Whether it worked or not, always return rval.
2048 info.GetReturnValue().Set(value);
2052 static void EnvQuery(Local<String> property,
2053 const PropertyCallbackInfo<Integer>& info) {
2054 HandleScope scope(node_isolate);
2055 int32_t rc = -1; // Not found unless proven otherwise.
2057 String::Utf8Value key(property);
2058 if (getenv(*key)) rc = 0;
2060 String::Value key(property);
2061 WCHAR* key_ptr = reinterpret_cast<WCHAR*>(*key);
2062 if (GetEnvironmentVariableW(key_ptr, NULL, 0) > 0 ||
2063 GetLastError() == ERROR_SUCCESS) {
2065 if (key_ptr[0] == L'=') {
2066 // Environment variables that start with '=' are hidden and read-only.
2067 rc = static_cast<int32_t>(v8::ReadOnly) |
2068 static_cast<int32_t>(v8::DontDelete) |
2069 static_cast<int32_t>(v8::DontEnum);
2073 if (rc != -1) info.GetReturnValue().Set(rc);
2077 static void EnvDeleter(Local<String> property,
2078 const PropertyCallbackInfo<Boolean>& info) {
2079 HandleScope scope(node_isolate);
2082 String::Utf8Value key(property);
2083 rc = getenv(*key) != NULL;
2084 if (rc) unsetenv(*key);
2086 String::Value key(property);
2087 WCHAR* key_ptr = reinterpret_cast<WCHAR*>(*key);
2088 if (key_ptr[0] == L'=' || !SetEnvironmentVariableW(key_ptr, NULL)) {
2089 // Deletion failed. Return true if the key wasn't there in the first place,
2090 // false if it is still there.
2091 rc = GetEnvironmentVariableW(key_ptr, NULL, NULL) == 0 &&
2092 GetLastError() != ERROR_SUCCESS;
2095 info.GetReturnValue().Set(rc);
2099 static void EnvEnumerator(const PropertyCallbackInfo<Array>& info) {
2100 HandleScope scope(node_isolate);
2103 while (environ[size]) size++;
2105 Local<Array> env = Array::New(size);
2107 for (int i = 0; i < size; ++i) {
2108 const char* var = environ[i];
2109 const char* s = strchr(var, '=');
2110 const int length = s ? s - var : strlen(var);
2111 env->Set(i, String::New(var, length));
2114 WCHAR* environment = GetEnvironmentStringsW();
2115 if (environment == NULL) return; // This should not happen.
2116 Local<Array> env = Array::New();
2117 WCHAR* p = environment;
2119 while (*p != NULL) {
2122 // If the key starts with '=' it is a hidden environment variable.
2126 s = wcschr(p, L'=');
2131 env->Set(i++, String::New(reinterpret_cast<uint16_t*>(p), s - p));
2132 p = s + wcslen(s) + 1;
2134 FreeEnvironmentStringsW(environment);
2137 info.GetReturnValue().Set(env);
2141 static Handle<Object> GetFeatures() {
2142 HandleScope scope(node_isolate);
2144 Local<Object> obj = Object::New();
2145 obj->Set(String::NewSymbol("debug"),
2146 #if defined(DEBUG) && DEBUG
2153 obj->Set(String::NewSymbol("uv"), True(node_isolate));
2154 obj->Set(String::NewSymbol("ipv6"), True(node_isolate)); // TODO ping libuv
2155 obj->Set(String::NewSymbol("tls_npn"), Boolean::New(use_npn));
2156 obj->Set(String::NewSymbol("tls_sni"), Boolean::New(use_sni));
2157 obj->Set(String::NewSymbol("tls"),
2158 Boolean::New(get_builtin_module("crypto") != NULL));
2160 return scope.Close(obj);
2164 static void DebugPortGetter(Local<String> property,
2165 const PropertyCallbackInfo<Value>& info) {
2166 HandleScope scope(node_isolate);
2167 info.GetReturnValue().Set(debug_port);
2171 static void DebugPortSetter(Local<String> property,
2173 const PropertyCallbackInfo<void>& info) {
2174 HandleScope scope(node_isolate);
2175 debug_port = value->NumberValue();
2179 static void DebugProcess(const FunctionCallbackInfo<Value>& args);
2180 static void DebugPause(const FunctionCallbackInfo<Value>& args);
2181 static void DebugEnd(const FunctionCallbackInfo<Value>& args);
2184 void NeedImmediateCallbackGetter(Local<String> property,
2185 const PropertyCallbackInfo<Value>& info) {
2186 info.GetReturnValue().Set(need_immediate_cb);
2190 static void NeedImmediateCallbackSetter(Local<String> property,
2192 const PropertyCallbackInfo<void>&) {
2193 HandleScope scope(node_isolate);
2195 bool bool_value = value->BooleanValue();
2197 if (need_immediate_cb == bool_value) return;
2199 need_immediate_cb = bool_value;
2201 if (need_immediate_cb) {
2202 uv_check_start(&check_immediate_watcher, node::CheckImmediate);
2203 // idle handle is needed only to maintain event loop
2204 uv_idle_start(&idle_immediate_dummy, node::IdleImmediateDummy);
2206 uv_check_stop(&check_immediate_watcher);
2207 uv_idle_stop(&idle_immediate_dummy);
2212 Handle<Object> SetupProcessObject(int argc, char *argv[]) {
2213 HandleScope scope(node_isolate);
2217 Local<FunctionTemplate> process_template = FunctionTemplate::New();
2218 process_template->SetClassName(String::New("process"));
2220 Local<Object> process = process_template->GetFunction()->NewInstance();
2221 assert(process.IsEmpty() == false);
2222 assert(process->IsObject() == true);
2224 process_p.Reset(node_isolate, process);
2226 process->SetAccessor(String::New("title"),
2228 ProcessTitleSetter);
2231 process->Set(String::NewSymbol("version"), String::New(NODE_VERSION));
2233 // process.moduleLoadList
2234 Local<Array> modules = Array::New();
2235 module_load_list.Reset(node_isolate, modules);
2236 process->Set(String::NewSymbol("moduleLoadList"), modules);
2239 Local<Object> versions = Object::New();
2240 process->Set(String::NewSymbol("versions"), versions);
2241 versions->Set(String::NewSymbol("http_parser"), String::New(
2242 NODE_STRINGIFY(HTTP_PARSER_VERSION_MAJOR) "."
2243 NODE_STRINGIFY(HTTP_PARSER_VERSION_MINOR)));
2244 // +1 to get rid of the leading 'v'
2245 versions->Set(String::NewSymbol("node"), String::New(NODE_VERSION+1));
2246 versions->Set(String::NewSymbol("v8"), String::New(V8::GetVersion()));
2247 versions->Set(String::NewSymbol("ares"), String::New(ARES_VERSION_STR));
2248 versions->Set(String::NewSymbol("uv"), String::New(uv_version_string()));
2249 versions->Set(String::NewSymbol("zlib"), String::New(ZLIB_VERSION));
2250 versions->Set(String::NewSymbol("modules"),
2251 String::New(NODE_STRINGIFY(NODE_MODULE_VERSION)));
2253 // Stupid code to slice out the version string.
2254 int c, l = strlen(OPENSSL_VERSION_TEXT);
2255 for (i = j = 0; i < l; i++) {
2256 c = OPENSSL_VERSION_TEXT[i];
2257 if ('0' <= c && c <= '9') {
2258 for (j = i + 1; j < l; j++) {
2259 c = OPENSSL_VERSION_TEXT[j];
2260 if (c == ' ') break;
2265 versions->Set(String::NewSymbol("openssl"),
2266 String::New(&OPENSSL_VERSION_TEXT[i], j - i));
2272 process->Set(String::NewSymbol("arch"), String::New(ARCH));
2275 process->Set(String::NewSymbol("platform"), String::New(PLATFORM));
2278 Local<Array> arguments = Array::New(argc - option_end_index + 1);
2279 arguments->Set(Integer::New(0, node_isolate), String::New(argv[0]));
2280 for (j = 1, i = option_end_index; i < argc; j++, i++) {
2281 Local<String> arg = String::New(argv[i]);
2282 arguments->Set(Integer::New(j, node_isolate), arg);
2285 process->Set(String::NewSymbol("argv"), arguments);
2288 Local<Array> execArgv = Array::New(option_end_index - 1);
2289 for (j = 1, i = 0; j < option_end_index; j++, i++) {
2290 execArgv->Set(Integer::New(i, node_isolate), String::New(argv[j]));
2293 process->Set(String::NewSymbol("execArgv"), execArgv);
2296 // create process.env
2297 Local<ObjectTemplate> envTemplate = ObjectTemplate::New();
2298 envTemplate->SetNamedPropertyHandler(EnvGetter,
2304 Local<Object> env = envTemplate->NewInstance();
2305 process->Set(String::NewSymbol("env"), env);
2307 process->Set(String::NewSymbol("pid"), Integer::New(getpid(), node_isolate));
2308 process->Set(String::NewSymbol("features"), GetFeatures());
2309 process->SetAccessor(String::New("_needImmediateCallback"),
2310 NeedImmediateCallbackGetter,
2311 NeedImmediateCallbackSetter);
2315 process->Set(String::NewSymbol("_eval"), String::New(eval_string));
2320 process->Set(String::NewSymbol("_print_eval"), True(node_isolate));
2323 // -i, --interactive
2325 process->Set(String::NewSymbol("_forceRepl"), True(node_isolate));
2329 if (no_deprecation) {
2330 process->Set(String::NewSymbol("noDeprecation"), True(node_isolate));
2333 // --throw-deprecation
2334 if (throw_deprecation) {
2335 process->Set(String::NewSymbol("throwDeprecation"), True(node_isolate));
2338 // --trace-deprecation
2339 if (trace_deprecation) {
2340 process->Set(String::NewSymbol("traceDeprecation"), True(node_isolate));
2343 size_t size = 2*PATH_MAX;
2344 char* execPath = new char[size];
2345 if (uv_exepath(execPath, &size) != 0) {
2346 // as a last ditch effort, fallback on argv[0] ?
2347 process->Set(String::NewSymbol("execPath"), String::New(argv[0]));
2349 process->Set(String::NewSymbol("execPath"), String::New(execPath, size));
2353 process->SetAccessor(String::New("debugPort"),
2358 // define various internal methods
2359 NODE_SET_METHOD(process, "_getActiveRequests", GetActiveRequests);
2360 NODE_SET_METHOD(process, "_getActiveHandles", GetActiveHandles);
2361 NODE_SET_METHOD(process, "reallyExit", Exit);
2362 NODE_SET_METHOD(process, "abort", Abort);
2363 NODE_SET_METHOD(process, "chdir", Chdir);
2364 NODE_SET_METHOD(process, "cwd", Cwd);
2366 NODE_SET_METHOD(process, "umask", Umask);
2368 #if defined(__POSIX__) && !defined(__ANDROID__)
2369 NODE_SET_METHOD(process, "getuid", GetUid);
2370 NODE_SET_METHOD(process, "setuid", SetUid);
2372 NODE_SET_METHOD(process, "setgid", SetGid);
2373 NODE_SET_METHOD(process, "getgid", GetGid);
2375 NODE_SET_METHOD(process, "getgroups", GetGroups);
2376 NODE_SET_METHOD(process, "setgroups", SetGroups);
2377 NODE_SET_METHOD(process, "initgroups", InitGroups);
2378 #endif // __POSIX__ && !defined(__ANDROID__)
2380 NODE_SET_METHOD(process, "_kill", Kill);
2382 NODE_SET_METHOD(process, "_debugProcess", DebugProcess);
2383 NODE_SET_METHOD(process, "_debugPause", DebugPause);
2384 NODE_SET_METHOD(process, "_debugEnd", DebugEnd);
2386 NODE_SET_METHOD(process, "hrtime", Hrtime);
2388 NODE_SET_METHOD(process, "dlopen", DLOpen);
2390 NODE_SET_METHOD(process, "uptime", Uptime);
2391 NODE_SET_METHOD(process, "memoryUsage", MemoryUsage);
2393 NODE_SET_METHOD(process, "binding", Binding);
2395 NODE_SET_METHOD(process, "_setupDomainUse", SetupDomainUse);
2397 // values use to cross communicate with processNextTick
2398 Local<Object> info_box = Object::New();
2399 info_box->SetIndexedPropertiesToExternalArrayData(&tick_infobox,
2400 kExternalUnsignedIntArray,
2402 process->Set(String::NewSymbol("_tickInfoBox"), info_box);
2404 // pre-set _events object for faster emit checks
2405 process->Set(String::NewSymbol("_events"), Object::New());
2407 return scope.Close(process);
2411 static void AtExit() {
2412 uv_tty_reset_mode();
2416 static void SignalExit(int signal) {
2417 uv_tty_reset_mode();
2418 _exit(128 + signal);
2422 void Load(Handle<Object> process_l) {
2423 HandleScope handle_scope(node_isolate);
2425 process_symbol = String::New("process");
2426 domain_symbol = String::New("domain");
2428 // Compile, execute the src/node.js file. (Which was included as static C
2429 // string in node_natives.h. 'natve_node' is the string containing that
2432 // The node.js file returns a function 'f'
2437 // Disable verbose mode to stop FatalException() handler from trying
2438 // to handle the exception. Errors this early in the start-up phase
2439 // are not safe to ignore.
2440 try_catch.SetVerbose(false);
2442 Local<Value> f_value = ExecuteString(MainSource(), String::New("node.js"));
2443 if (try_catch.HasCaught()) {
2444 ReportException(try_catch);
2447 assert(f_value->IsFunction());
2448 Local<Function> f = Local<Function>::Cast(f_value);
2450 // Now we call 'f' with the 'process' variable that we've built up with
2451 // all our bindings. Inside node.js we'll take care of assigning things to
2454 // We start the process this way in order to be more modular. Developers
2455 // who do not like how 'src/node.js' setups the module system but do like
2456 // Node's I/O bindings may want to replace 'f' with their own function.
2458 // Add a reference to the global object
2459 Local<Object> global = v8::Context::GetCurrent()->Global();
2461 #if defined HAVE_DTRACE || defined HAVE_ETW || defined HAVE_SYSTEMTAP
2465 #if defined HAVE_PERFCTR
2466 InitPerfCounters(global);
2469 // Enable handling of uncaught exceptions
2470 // (FatalException(), break on uncaught exception in debugger)
2472 // This is not strictly necessary since it's almost impossible
2473 // to attach the debugger fast enought to break on exception
2474 // thrown during process startup.
2475 try_catch.SetVerbose(true);
2477 Local<Value> arg = process_l;
2478 f->Call(global, 1, &arg);
2481 static void PrintHelp();
2483 static void ParseDebugOpt(const char* arg) {
2486 if (strstr(arg, "--debug-port=") == arg) {
2487 p = 1 + strchr(arg, '=');
2488 debug_port = atoi(p);
2490 use_debug_agent = true;
2491 if (!strcmp (arg, "--debug-brk")) {
2492 debug_wait_connect = true;
2494 } else if (!strcmp(arg, "--debug")) {
2496 } else if (strstr(arg, "--debug-brk=") == arg) {
2497 debug_wait_connect = true;
2498 p = 1 + strchr(arg, '=');
2499 debug_port = atoi(p);
2500 } else if (strstr(arg, "--debug=") == arg) {
2501 p = 1 + strchr(arg, '=');
2502 debug_port = atoi(p);
2505 if (p && debug_port > 1024 && debug_port < 65536)
2508 fprintf(stderr, "Bad debug option.\n");
2509 if (p) fprintf(stderr, "Debug port must be in range 1025 to 65535.\n");
2515 static void PrintHelp() {
2516 printf("Usage: node [options] [ -e script | script.js ] [arguments] \n"
2517 " node debug script.js [arguments] \n"
2520 " -v, --version print node's version\n"
2521 " -e, --eval script evaluate script\n"
2522 " -p, --print evaluate script and print result\n"
2523 " -i, --interactive always enter the REPL even if stdin\n"
2524 " does not appear to be a terminal\n"
2525 " --no-deprecation silence deprecation warnings\n"
2526 " --trace-deprecation show stack traces on deprecations\n"
2527 " --v8-options print v8 command line options\n"
2528 " --max-stack-size=val set max v8 stack size (bytes)\n"
2530 "Environment variables:\n"
2532 "NODE_PATH ';'-separated list of directories\n"
2534 "NODE_PATH ':'-separated list of directories\n"
2536 " prefixed to the module search path.\n"
2537 "NODE_MODULE_CONTEXTS Set to 1 to load modules in their own\n"
2538 " global contexts.\n"
2539 "NODE_DISABLE_COLORS Set to 1 to disable colors in the REPL\n"
2541 "Documentation can be found at http://nodejs.org/\n");
2545 // Parse node command line arguments.
2546 static void ParseArgs(int argc, char **argv) {
2549 // TODO use parse opts
2550 for (i = 1; i < argc; i++) {
2551 const char *arg = argv[i];
2552 if (strstr(arg, "--debug") == arg) {
2554 argv[i] = const_cast<char*>("");
2555 } else if (strcmp(arg, "--version") == 0 || strcmp(arg, "-v") == 0) {
2556 printf("%s\n", NODE_VERSION);
2558 } else if (strstr(arg, "--max-stack-size=") == arg) {
2560 p = 1 + strchr(arg, '=');
2561 max_stack_size = atoi(p);
2562 argv[i] = const_cast<char*>("");
2563 } else if (strcmp(arg, "--help") == 0 || strcmp(arg, "-h") == 0) {
2566 } else if (strcmp(arg, "--eval") == 0 ||
2567 strcmp(arg, "-e") == 0 ||
2568 strcmp(arg, "--print") == 0 ||
2569 strcmp(arg, "-pe") == 0 ||
2570 strcmp(arg, "-p") == 0) {
2571 bool is_eval = strchr(arg, 'e') != NULL;
2572 bool is_print = strchr(arg, 'p') != NULL;
2574 // argument to -p and --print is optional
2575 if (is_eval == true && i + 1 >= argc) {
2576 fprintf(stderr, "Error: %s requires an argument\n", arg);
2580 print_eval = print_eval || is_print;
2581 argv[i] = const_cast<char*>("");
2583 // --eval, -e and -pe always require an argument
2584 if (is_eval == true) {
2585 eval_string = argv[++i];
2589 // next arg is the expression to evaluate unless it starts with:
2590 // - a dash, then it's another switch
2591 // - "\\-", then it's an escaped expression, drop the backslash
2592 if (argv[i + 1] == NULL) continue;
2593 if (argv[i + 1][0] == '-') continue;
2594 eval_string = argv[++i];
2595 if (strncmp(eval_string, "\\-", 2) == 0) ++eval_string;
2596 } else if (strcmp(arg, "--interactive") == 0 || strcmp(arg, "-i") == 0) {
2598 argv[i] = const_cast<char*>("");
2599 } else if (strcmp(arg, "--v8-options") == 0) {
2600 argv[i] = const_cast<char*>("--help");
2601 } else if (strcmp(arg, "--no-deprecation") == 0) {
2602 argv[i] = const_cast<char*>("");
2603 no_deprecation = true;
2604 } else if (strcmp(arg, "--trace-deprecation") == 0) {
2605 argv[i] = const_cast<char*>("");
2606 trace_deprecation = true;
2607 } else if (strcmp(arg, "--throw-deprecation") == 0) {
2608 argv[i] = const_cast<char*>("");
2609 throw_deprecation = true;
2610 } else if (argv[i][0] != '-') {
2615 option_end_index = i;
2619 // Called from the main thread.
2620 static void DispatchDebugMessagesAsyncCallback(uv_async_t* handle, int status) {
2621 v8::Debug::ProcessDebugMessages();
2625 // Called from V8 Debug Agent TCP thread.
2626 static void DispatchMessagesDebugAgentCallback() {
2627 uv_async_send(&dispatch_debug_messages_async);
2631 // Called from the main thread
2632 static void EmitDebugEnabledAsyncCallback(uv_async_t* handle, int status) {
2633 HandleScope handle_scope(node_isolate);
2634 Local<Object> obj = Object::New();
2635 obj->Set(String::New("cmd"), String::New("NODE_DEBUG_ENABLED"));
2636 Local<Value> args[] = { String::New("internalMessage"), obj };
2637 MakeCallback(process_p, "emit", ARRAY_SIZE(args), args);
2641 // Called from the signal watcher callback
2642 static void EmitDebugEnabled() {
2643 uv_async_send(&emit_debug_enabled_async);
2647 static void EnableDebug(bool wait_connect) {
2648 // If we're called from another thread, make sure to enter the right
2650 node_isolate->Enter();
2652 v8::Debug::SetDebugMessageDispatchHandler(DispatchMessagesDebugAgentCallback,
2655 // Start the debug thread and it's associated TCP server on port 5858.
2656 bool r = v8::Debug::EnableAgent("node " NODE_VERSION,
2660 // Crappy check that everything went well. FIXME
2663 // Print out some information.
2664 fprintf(stderr, "debugger listening on port %d\n", debug_port);
2667 debugger_running = true;
2669 // Do not emit NODE_DEBUG_ENABLED when debugger is enabled before starting
2670 // the main process (i.e. when called via `node --debug`)
2671 if (!process_p.IsEmpty())
2674 node_isolate->Exit();
2679 static void EnableDebugSignalHandler(uv_signal_t* handle, int) {
2680 // Break once process will return execution to v8
2681 v8::Debug::DebugBreak(node_isolate);
2683 if (!debugger_running) {
2684 fprintf(stderr, "Hit SIGUSR1 - starting debugger agent.\n");
2690 static void RegisterSignalHandler(int signal, void (*handler)(int)) {
2691 struct sigaction sa;
2693 memset(&sa, 0, sizeof(sa));
2694 sa.sa_handler = handler;
2695 sigfillset(&sa.sa_mask);
2696 sigaction(signal, &sa, NULL);
2700 void DebugProcess(const FunctionCallbackInfo<Value>& args) {
2701 HandleScope scope(node_isolate);
2703 if (args.Length() != 1) {
2704 return ThrowError("Invalid number of arguments.");
2710 pid = args[0]->IntegerValue();
2711 r = kill(pid, SIGUSR1);
2713 return ThrowErrnoException(errno, "kill");
2720 DWORD WINAPI EnableDebugThreadProc(void* arg) {
2721 // Break once process will return execution to v8
2722 if (!debugger_running) {
2723 for (int i = 0; i < 1; i++) {
2724 fprintf(stderr, "Starting debugger agent.\r\n");
2730 v8::Debug::DebugBreak(node_isolate);
2736 static int GetDebugSignalHandlerMappingName(DWORD pid, wchar_t* buf,
2738 return _snwprintf(buf, buf_len, L"node-debug-handler-%u", pid);
2742 static int RegisterDebugSignalHandler() {
2743 wchar_t mapping_name[32];
2744 HANDLE mapping_handle;
2746 LPTHREAD_START_ROUTINE* handler;
2748 pid = GetCurrentProcessId();
2750 if (GetDebugSignalHandlerMappingName(pid,
2752 ARRAY_SIZE(mapping_name)) < 0) {
2756 mapping_handle = CreateFileMappingW(INVALID_HANDLE_VALUE,
2762 if (mapping_handle == NULL) {
2766 handler = reinterpret_cast<LPTHREAD_START_ROUTINE*>(
2767 MapViewOfFile(mapping_handle,
2768 FILE_MAP_ALL_ACCESS,
2772 if (handler == NULL) {
2773 CloseHandle(mapping_handle);
2777 *handler = EnableDebugThreadProc;
2779 UnmapViewOfFile((void*) handler);
2785 static void DebugProcess(const FunctionCallbackInfo<Value>& args) {
2786 HandleScope scope(node_isolate);
2788 HANDLE process = NULL;
2789 HANDLE thread = NULL;
2790 HANDLE mapping = NULL;
2791 wchar_t mapping_name[32];
2792 LPTHREAD_START_ROUTINE* handler = NULL;
2794 if (args.Length() != 1) {
2795 ThrowError("Invalid number of arguments.");
2799 pid = (DWORD) args[0]->IntegerValue();
2801 process = OpenProcess(PROCESS_CREATE_THREAD | PROCESS_QUERY_INFORMATION |
2802 PROCESS_VM_OPERATION | PROCESS_VM_WRITE |
2806 if (process == NULL) {
2807 ThrowException(WinapiErrnoException(GetLastError(), "OpenProcess"));
2811 if (GetDebugSignalHandlerMappingName(pid,
2813 ARRAY_SIZE(mapping_name)) < 0) {
2814 ThrowErrnoException(errno, "sprintf");
2818 mapping = OpenFileMappingW(FILE_MAP_READ, FALSE, mapping_name);
2819 if (mapping == NULL) {
2820 ThrowException(WinapiErrnoException(GetLastError(), "OpenFileMappingW"));
2824 handler = reinterpret_cast<LPTHREAD_START_ROUTINE*>(
2825 MapViewOfFile(mapping,
2830 if (handler == NULL || *handler == NULL) {
2831 ThrowException(WinapiErrnoException(GetLastError(), "MapViewOfFile"));
2835 thread = CreateRemoteThread(process,
2842 if (thread == NULL) {
2843 ThrowException(WinapiErrnoException(GetLastError(), "CreateRemoteThread"));
2847 // Wait for the thread to terminate
2848 if (WaitForSingleObject(thread, INFINITE) != WAIT_OBJECT_0) {
2849 ThrowException(WinapiErrnoException(GetLastError(), "WaitForSingleObject"));
2854 if (process != NULL) {
2855 CloseHandle(process);
2857 if (thread != NULL) {
2858 CloseHandle(thread);
2860 if (handler != NULL) {
2861 UnmapViewOfFile(handler);
2863 if (mapping != NULL) {
2864 CloseHandle(mapping);
2870 static void DebugPause(const FunctionCallbackInfo<Value>& args) {
2871 v8::Debug::DebugBreak(node_isolate);
2875 static void DebugEnd(const FunctionCallbackInfo<Value>& args) {
2876 if (debugger_running) {
2877 v8::Debug::DisableAgent();
2878 debugger_running = false;
2883 char** Init(int argc, char *argv[]) {
2884 // Initialize prog_start_time to get relative uptime.
2885 uv_uptime(&prog_start_time);
2887 // Make inherited handles noninheritable.
2888 uv_disable_stdio_inheritance();
2890 // init async debug messages dispatching
2891 uv_async_init(uv_default_loop(),
2892 &dispatch_debug_messages_async,
2893 DispatchDebugMessagesAsyncCallback);
2894 uv_unref(reinterpret_cast<uv_handle_t*>(&dispatch_debug_messages_async));
2896 // init async NODE_DEBUG_ENABLED emitter
2897 uv_async_init(uv_default_loop(),
2898 &emit_debug_enabled_async,
2899 EmitDebugEnabledAsyncCallback);
2900 uv_unref(reinterpret_cast<uv_handle_t*>(&emit_debug_enabled_async));
2902 // Parse a few arguments which are specific to Node.
2903 node::ParseArgs(argc, argv);
2904 // Parse the rest of the args (up to the 'option_end_index' (where '--' was
2905 // in the command line))
2906 int v8argc = option_end_index;
2907 char **v8argv = argv;
2909 if (debug_wait_connect) {
2910 // v8argv is a copy of argv up to the script file argument +2 if --debug-brk
2911 // to expose the v8 debugger js object so that node.js can set
2912 // a breakpoint on the first line of the startup script
2914 v8argv = new char*[v8argc];
2915 memcpy(v8argv, argv, sizeof(*argv) * option_end_index);
2916 v8argv[option_end_index] = const_cast<char*>("--expose_debug_as");
2917 v8argv[option_end_index + 1] = const_cast<char*>("v8debug");
2920 // For the normal stack which moves from high to low addresses when frames
2921 // are pushed, we can compute the limit as stack_size bytes below the
2922 // the address of a stack variable (e.g. &stack_var) as an approximation
2923 // of the start of the stack (we're assuming that we haven't pushed a lot
2925 if (max_stack_size != 0) {
2927 ResourceConstraints constraints;
2929 uint32_t *stack_limit = &stack_var - (max_stack_size / sizeof(uint32_t));
2930 constraints.set_stack_limit(stack_limit);
2931 SetResourceConstraints(&constraints); // Must be done before V8::Initialize
2933 V8::SetFlagsFromCommandLine(&v8argc, v8argv, false);
2935 const char typed_arrays_flag[] = "--harmony_typed_arrays";
2936 V8::SetFlagsFromString(typed_arrays_flag, sizeof(typed_arrays_flag) - 1);
2937 V8::SetArrayBufferAllocator(&ArrayBufferAllocator::the_singleton);
2939 // Fetch a reference to the main isolate, so we have a reference to it
2940 // even when we need it to access it from another (debugger) thread.
2941 node_isolate = Isolate::GetCurrent();
2945 RegisterSignalHandler(SIGPIPE, SIG_IGN);
2946 RegisterSignalHandler(SIGINT, SignalExit);
2947 RegisterSignalHandler(SIGTERM, SignalExit);
2950 uv_check_init(uv_default_loop(), &check_immediate_watcher);
2951 uv_unref(reinterpret_cast<uv_handle_t*>(&check_immediate_watcher));
2952 uv_idle_init(uv_default_loop(), &idle_immediate_dummy);
2954 V8::SetFatalErrorHandler(node::OnFatalError);
2955 V8::AddMessageListener(OnMessage);
2957 // If the --debug flag was specified then initialize the debug thread.
2958 if (use_debug_agent) {
2959 EnableDebug(debug_wait_connect);
2962 RegisterDebugSignalHandler();
2964 static uv_signal_t signal_watcher;
2965 uv_signal_init(uv_default_loop(), &signal_watcher);
2966 uv_signal_start(&signal_watcher, EnableDebugSignalHandler, SIGUSR1);
2967 uv_unref(reinterpret_cast<uv_handle_t*>(&signal_watcher));
2975 struct AtExitCallback {
2976 AtExitCallback* next_;
2977 void (*cb_)(void* arg);
2981 static AtExitCallback* at_exit_functions_;
2985 AtExitCallback* p = at_exit_functions_;
2986 at_exit_functions_ = NULL;
2989 AtExitCallback* q = p->next_;
2997 void AtExit(void (*cb)(void* arg), void* arg) {
2998 AtExitCallback* p = new AtExitCallback;
3001 p->next_ = at_exit_functions_;
3002 at_exit_functions_ = p;
3006 void EmitExit(v8::Handle<v8::Object> process_l) {
3007 // process.emit('exit')
3008 process_l->Set(String::NewSymbol("_exiting"), True(node_isolate));
3009 Local<Value> args[] = { String::New("exit"), Integer::New(0, node_isolate) };
3010 MakeCallback(process_l, "emit", ARRAY_SIZE(args), args);
3013 static char **copy_argv(int argc, char **argv) {
3021 for(i = 0; i < argc; i++) {
3022 strlen_sum += strlen(argv[i]) + 1;
3025 argv_copy = (char **) malloc(sizeof(char *) * (argc + 1) + strlen_sum);
3030 argv_data = (char *) argv_copy + sizeof(char *) * (argc + 1);
3032 for(i = 0; i < argc; i++) {
3033 argv_copy[i] = argv_data;
3034 len = strlen(argv[i]) + 1;
3035 memcpy(argv_data, argv[i], len);
3039 argv_copy[argc] = NULL;
3044 int Start(int argc, char *argv[]) {
3045 // Hack aroung with the argv pointer. Used for process.title = "blah".
3046 argv = uv_setup_args(argc, argv);
3048 // Logic to duplicate argv as Init() modifies arguments
3049 // that are passed into it.
3050 char **argv_copy = copy_argv(argc, argv);
3052 // This needs to run *before* V8::Initialize()
3053 // Use copy here as to not modify the original argv:
3054 Init(argc, argv_copy);
3058 Locker locker(node_isolate);
3059 HandleScope handle_scope(node_isolate);
3061 // Create the one and only Context.
3062 Local<Context> context = Context::New(node_isolate);
3063 Context::Scope context_scope(context);
3065 binding_cache.Reset(node_isolate, Object::New());
3067 // Use original argv, as we're just copying values out of it.
3068 Local<Object> process_l = SetupProcessObject(argc, argv);
3070 // Create all the objects, load modules, do everything.
3071 // so your next reading stop should be node::Load()!
3074 // All our arguments are loaded. We've evaluated all of the scripts. We
3075 // might even have created TCP servers. Now we enter the main eventloop. If
3076 // there are no watchers on the loop (except for the ones that were
3077 // uv_unref'd) then this function exits. As long as there are active
3078 // watchers, it blocks.
3079 uv_run(uv_default_loop(), UV_RUN_DEFAULT);
3081 EmitExit(process_l);
3086 // Clean up. Not strictly necessary.
3090 // Clean up the copy: