diff --git a/src/unix.rs b/src/unix.rs
index 6350f1cd6..5d5f5ee80 100644
--- a/src/unix.rs
+++ b/src/unix.rs
@@ -32,6 +32,9 @@ use tokio_io::IoFuture;
 
 pub use self::libc::{SIGUSR1, SIGUSR2, SIGINT, SIGTERM};
 pub use self::libc::{SIGALRM, SIGHUP, SIGPIPE, SIGQUIT, SIGTRAP};
+#[cfg(any(target_os = "dragonfly", target_os = "freebsd", target_os = "macos",
+          target_os = "netbsd", target_os = "openbsd"))]
+pub use self::libc::SIGINFO;
 
 // Number of different unix signals
 // (FreeBSD has 33)