[PATCH] support for SIGPOLL

[Heikki Krogerus <krohei%gmail.com@localhost>]

SIGPOLL is a synonym of SIGIO, or is it? POSIX seems to define SIGPOLL but not
 SIGIO.

- heikki


diff --git a/sys/sys/signal.h b/sys/sys/signal.h
index 8029566..520ab2e 100644
--- a/sys/sys/signal.h
+++ b/sys/sys/signal.h
@@ -73,6 +73,7 @@
 #define        SIGTTIN         21      /* to readers pgrp upon background tty 
read */
 #define        SIGTTOU         22      /* like TTIN for output if 
(tp->t_local&LTOSTOP) */
 #define        SIGIO           23      /* input/output possible signal */
+#define SIGPOLL                SIGIO   /* Pollable event */
 #define        SIGXCPU         24      /* exceeded CPU time limit */
 #define        SIGXFSZ         25      /* exceeded file size limit */
 #define        SIGVTALRM       26      /* virtual time alarm */