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xen-devel
[Xen-devel] Re: [PATCH V2] xenconsole: add file lock to xenconsole
On 05/27/2011 05:16 AM, Yufang Zhang wrote:
@@ -280,6 +302,7 @@ int main(int argc, char **argv)
int spty, xsfd;
struct xs_handle *xs;
char *end;
+ char buf[100];
console_type type = CONSOLE_INVAL;
while((ch = getopt_long(argc, argv, sopt, lopt,&opt_ind)) != -1) {
@@ -368,6 +391,13 @@ int main(int argc, char **argv)
exit(EINVAL);
}
+ /* Make sure only one console is attached to guest */
+ snprintf(buf, strlen("/var/run/xenconsole-%d-%d") + 1,
"/var/run/xenconsole-%d-%d", domid, num);
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
This should be sizeof(buf).
Otherwise looks good to me.
Paolo
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