From 6f8ba4682611dbacca765dab21d96ac937570d9b Mon Sep 17 00:00:00 2001
From: rodrigc <rodrigc@FreeBSD.org>
Date: Thu, 4 Sep 2014 16:55:01 +0000
Subject: MFC r270512 r270513 r270754    - add comments which describe exit
 status codes of /usr/sbin/bhyve    - move bhyvectl --destroy outside of the
 while loop    - Use "file -s" so that we can run vmrun.sh against special
 devces such as      /dev/md memory files systems or zvols

---
 share/examples/bhyve/vmrun.sh | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

(limited to 'share/examples')

diff --git a/share/examples/bhyve/vmrun.sh b/share/examples/bhyve/vmrun.sh
index 33d0db9..793a63d 100755
--- a/share/examples/bhyve/vmrun.sh
+++ b/share/examples/bhyve/vmrun.sh
@@ -173,13 +173,14 @@ echo "Launching virtual machine \"$vmname\" ..."
 
 virtio_diskdev="$disk_dev0"
 
+${BHYVECTL} --vm=${vmname} --destroy > /dev/null 2>&1
+
 while [ 1 ]; do
-	${BHYVECTL} --vm=${vmname} --destroy > /dev/null 2>&1
 
-	file ${virtio_diskdev} | grep "boot sector" > /dev/null
+	file -s ${virtio_diskdev} | grep "boot sector" > /dev/null
 	rc=$?
 	if [ $rc -ne 0 ]; then
-		file ${virtio_diskdev} | grep ": Unix Fast File sys" > /dev/null
+		file -s ${virtio_diskdev} | grep ": Unix Fast File sys" > /dev/null
 		rc=$?
 	fi
 	if [ $rc -ne 0 ]; then
@@ -237,6 +238,14 @@ while [ 1 ]; do
 		-l com1,${console}					\
 		${installer_opt}					\
 		${vmname}
+
+	# bhyve returns the following status codes:
+	#  0 - VM has been reset
+	#  1 - VM has been powered off
+	#  2 - VM has been halted
+	#  3 - VM generated a triple fault
+	#  all other non-zero status codes are errors
+	#
 	if [ $? -ne 0 ]; then
 		break
 	fi
-- 
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