# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1240238309 -3600
# Node ID 69ba67bdbf936f05d176f11790b814252dadc9dd
# Parent 423a7f500059751e62c55f2fa5fc23f80c40b9e6
xenconsoled: Fixes to domain management.
Event-channel setup: Re-bind if the connection becomes unbound (e.g.,
due to 'slow' domain suspend cancellation), even if the remote port
identifier has not changed.
Domain logging: Only open log file once (don't leak fds) and fix a
small memory leak.
Evtchn changes based on a patch by Jiri Denemark <jdenemar@xxxxxxxxxx>
Signed-off-by: Keir Fraser <keir.fraser@xxxxxxxxxx>
---
tools/console/daemon/io.c | 16 ++++++++++++----
1 files changed, 12 insertions(+), 4 deletions(-)
diff -r 423a7f500059 -r 69ba67bdbf93 tools/console/daemon/io.c
--- a/tools/console/daemon/io.c Mon Apr 20 14:56:31 2009 +0100
+++ b/tools/console/daemon/io.c Mon Apr 20 15:38:29 2009 +0100
@@ -288,6 +288,7 @@ static int create_domain_log(struct doma
namepath = s;
strcat(namepath, "/name");
data = xs_read(xs, XBT_NULL, namepath, &len);
+ free(namepath);
if (!data)
return -1;
if (!len) {
@@ -548,9 +549,6 @@ static int domain_create_ring(struct dom
}
free(type);
- if ((ring_ref == dom->ring_ref) && (remote_port == dom->remote_port))
- goto out;
-
if (ring_ref != dom->ring_ref) {
if (dom->interface != NULL)
munmap(dom->interface, getpagesize());
@@ -565,6 +563,16 @@ static int domain_create_ring(struct dom
dom->ring_ref = ring_ref;
}
+ /* Go no further if port has not changed and we are still bound. */
+ if (remote_port == dom->remote_port) {
+ xc_evtchn_status_t status = {
+ .dom = DOMID_SELF,
+ .port = dom->local_port };
+ if ((xc_evtchn_status(xc, &status) == 0) &&
+ (status.status == EVTCHNSTAT_interdomain))
+ goto out;
+ }
+
dom->local_port = -1;
dom->remote_port = -1;
if (dom->xce_handle != -1)
@@ -601,7 +609,7 @@ static int domain_create_ring(struct dom
}
}
- if (log_guest)
+ if (log_guest && (dom->log_fd == -1))
dom->log_fd = create_domain_log(dom);
out:
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