diff --git a/types/signal-exit/index.d.ts b/types/signal-exit/index.d.ts
new file mode 100644
index 0000000000..6bddbfc82c
--- /dev/null
+++ b/types/signal-exit/index.d.ts
@@ -0,0 +1,24 @@
+// Type definitions for signal-exit 3.0
+// Project: https://github.com/tapjs/signal-exit
+// Definitions by: BendingBender <https://github.com/BendingBender>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 2.1
+
+export = signalExit;
+
+declare function signalExit(
+    callback: (code: number | null, signal: signalExit.Signal | null) => void,
+    options?: signalExit.Options
+): () => void;
+
+declare namespace signalExit {
+    function load(): void;
+    function unload(): void;
+    function signals(): Signal[];
+
+    type Signal = 'SIGABRT' | 'SIGALRM' | 'SIGHUP' | 'SIGINT' | 'SIGTERM' | string;
+
+    interface Options {
+        alwaysLast?: boolean;
+    }
+}
diff --git a/types/signal-exit/signal-exit-tests.ts b/types/signal-exit/signal-exit-tests.ts
new file mode 100644
index 0000000000..5dd5947812
--- /dev/null
+++ b/types/signal-exit/signal-exit-tests.ts
@@ -0,0 +1,20 @@
+import onExit = require('signal-exit');
+
+// $ExpectType () => void
+onExit((code, signal) => {
+    code; // $ExpectType number | null
+    signal; // $ExpectType string | null
+});
+const detach = onExit(
+    (code, signal) => {
+        code; // $ExpectType number | null
+        signal; // $ExpectType string | null
+    },
+    { alwaysLast: true }
+);
+
+detach();
+
+onExit.unload();
+onExit.load();
+onExit.signals(); // $ExpectType string[]
diff --git a/types/signal-exit/tsconfig.json b/types/signal-exit/tsconfig.json
new file mode 100644
index 0000000000..7b912b51e6
--- /dev/null
+++ b/types/signal-exit/tsconfig.json
@@ -0,0 +1,23 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "strictFunctionTypes": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "signal-exit-tests.ts"
+    ]
+}
diff --git a/types/signal-exit/tslint.json b/types/signal-exit/tslint.json
new file mode 100644
index 0000000000..3db14f85ea
--- /dev/null
+++ b/types/signal-exit/tslint.json
@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }