diff --git a/src/unix/pty.cc b/src/unix/pty.cc
index 57121b67..141fe1e2 100644
--- a/src/unix/pty.cc
+++ b/src/unix/pty.cc
@@ -93,6 +93,13 @@ NAN_METHOD(PtyOpen);
 NAN_METHOD(PtyResize);
 NAN_METHOD(PtyGetProc);
 
+#if defined(TIOCSIG) || defined(TIOCSIGNAL)
+#define DEFINE_PTY_KILL
+NAN_METHOD(PtyKill);
+#else
+#warning "The function PtyKill will be unavailable because the ioctls TIOCSIG and TIOCSIGNAL don't exist"
+#endif
+
 /**
  * Functions
  */
@@ -347,6 +354,29 @@ NAN_METHOD(PtyOpen) {
   return info.GetReturnValue().Set(obj);
 }
 
+#ifdef DEFINE_PTY_KILL
+NAN_METHOD(PtyKill) {
+  Nan::HandleScope scope;
+
+  if (info.Length() != 2 ||
+      !info[0]->IsNumber() ||
+      !info[1]->IsNumber()) {
+    return Nan::ThrowError("Usage: pty.kill(fd, signal)");
+  }
+
+  int fd = info[0]->IntegerValue();
+  int signal = info[1]->IntegerValue();
+
+#if defined(TIOCSIG)
+  if (ioctl(fd, TIOCSIG, signal) == -1)
+    return Nan::ThrowError("ioctl(2) failed.");
+#elif defined(TIOCSIGNAL)
+  if (ioctl(fd, TIOCSIGNAL, signal) == -1)
+    return Nan::ThrowError("ioctl(2) failed.");
+#endif
+}
+#endif
+
 NAN_METHOD(PtyResize) {
   Nan::HandleScope scope;
 
@@ -706,6 +736,11 @@ NAN_MODULE_INIT(init) {
   Nan::Set(target,
            Nan::New<v8::String>("open").ToLocalChecked(),
            Nan::New<v8::FunctionTemplate>(PtyOpen)->GetFunction());
+#ifdef DEFINE_PTY_KILL
+  Nan::Set(target,
+           Nan::New<v8::String>("kill").ToLocalChecked(),
+           Nan::New<v8::FunctionTemplate>(PtyKill)->GetFunction());
+#endif
   Nan::Set(target,
            Nan::New<v8::String>("resize").ToLocalChecked(),
            Nan::New<v8::FunctionTemplate>(PtyResize)->GetFunction());
diff --git a/src/unixTerminal.ts b/src/unixTerminal.ts
index 6763c17b..81d8f7c7 100644
--- a/src/unixTerminal.ts
+++ b/src/unixTerminal.ts
@@ -6,6 +6,7 @@
 import * as net from 'net';
 import * as path from 'path';
 import * as tty from 'tty';
+import * as os from 'os';
 import { Terminal, DEFAULT_COLS, DEFAULT_ROWS } from './terminal';
 import { ProcessEnv, IPtyForkOptions, IPtyOpenOptions } from './interfaces';
 import { ArgvOrCommandLine } from './types';
@@ -231,9 +232,20 @@ export class UnixTerminal extends Terminal {
   }
 
   public kill(signal?: string): void {
-    try {
-      process.kill(this.pid, signal || 'SIGHUP');
-    } catch (e) { /* swallow */ }
+    signal = signal || 'SIGHUP';
+    if (signal in os.constants.signals) {
+      try {
+        // pty.kill will not be available on systems which don't support
+        // the TIOCSIG/TIOCSIGNAL ioctl
+        if (pty.kill && signal !== 'SIGHUP') {
+          pty.kill(this._fd, os.constants.signals[signal]);
+        } else {
+          process.kill(this.pid, signal);
+        }
+      } catch (e) { /* swallow */ }
+    } else {
+      throw new Error('Unknown signal: ' + signal);
+    }
   }
 
   /**