From: Ben Gras <ben@minix3.org>
Date: Wed, 12 Oct 2005 14:29:38 +0000 (+0000)
Subject: DEV_PING message type for device driver keepalives
X-Git-Tag: v3.1.2a~641
X-Git-Url: http://zhaoyanbai.com/repos/%22http:/www.isc.org/icons/zpipe.c?a=commitdiff_plain;h=866b3fda9c747a31aca44fa39f98bd0506e7524d;p=minix.git

DEV_PING message type for device driver keepalives
---

diff --git a/include/minix/com.h b/include/minix/com.h
index 479cedd25..3fa0030fb 100755
--- a/include/minix/com.h
+++ b/include/minix/com.h
@@ -60,6 +60,7 @@
 #  define HARD_INT	NOTIFY_FROM(HARDWARE) 	/* hardware interrupt */
 #  define NEW_KSIG	NOTIFY_FROM(HARDWARE)  	/* new kernel signal */
 #  define FKEY_PRESSED	NOTIFY_FROM(TTY_PROC_NR)/* function key press */
+#  define DEV_PING	NOTIFY_FROM(RS_PROC_NR) /* driver liveness ping */
 
 /* Shorthands for message parameters passed with notifications. */
 #define NOTIFY_SOURCE		m_source