diff --git a/unix-ffi/signal/manifest.py b/unix-ffi/signal/manifest.py
index cb23542cc..5b97869ac 100644
--- a/unix-ffi/signal/manifest.py
+++ b/unix-ffi/signal/manifest.py
@@ -1,4 +1,4 @@
-metadata(version="0.3.2")
+metadata(version="0.4.0")
 
 # Originally written by Paul Sokolovsky.
 
diff --git a/unix-ffi/signal/signal.py b/unix-ffi/signal/signal.py
index fd60b9ee2..110e3c7cf 100644
--- a/unix-ffi/signal/signal.py
+++ b/unix-ffi/signal/signal.py
@@ -6,12 +6,15 @@
 
 SIGINT = 2
 SIGPIPE = 13
+SIGALRM = 14
 SIGTERM = 15
 
 libc = ffilib.libc()
 
 signal_i = libc.func("i", "signal", "ii")
 signal_p = libc.func("i", "signal", "ip")
+alarm = libc.func("I", "alarm", "I")
+pause = libc.func("i", "pause", "")
 
 
 def signal(n, handler):