[init] First commit.

binding.gyp

@@ -0,0 +1,8 @@
+{
+  "targets": [
+    {
+      "target_name": "waitpid",
+      "sources": [ "src/waitpid.cc" ]
+    }
+  ]
+}

lib/waitpid.js

@@ -0,0 +1,7 @@
+
+var binding = require('../build/Release/waitpid');
+
+module.exports = function waitpid(pid) {
+  //returns the exit code/signal
+  return binding.waitpid(pid);
+};

src/waitpid.cc

@@ -0,0 +1,41 @@
+#include <v8.h>
+#include <node.h>
+#include <sys/wait.h>
+#include <errno.h>
+
+using namespace v8;
+using namespace node;
+
+static Handle<Value> Waitpid(const Arguments& args) {
+  HandleScope scope;
+  int r, target, *status = NULL;
+
+  if (args[0]->IsInt32()) {
+    target = args[0]->Int32Value();
+
+    r = waitpid(target, status, NULL);
+
+    if (r == -1) {
+      perror("waitpid");
+      return ThrowException(Exception::Error(String::New(strerror(errno))));
+    }
+
+    if (WIFEXITED(status)) {
+      return scope.Close(Integer::New(WEXITSTATUS(status)));
+    }
+    else if (WIFSIGNALED(status)) {
+      return scope.Close(Integer::New(WTERMSIG(status)));
+    }
+    return scope.Close(Undefined());
+  }
+  else {
+    return ThrowException(Exception::Error(String::New("Not an integer.")));
+  }
+}
+
+
+extern "C" void init(Handle<Object> target) {
+  HandleScope scope;
+
+  NODE_SET_METHOD(target, "waitpid", Waitpid);
+}