Add tracking of the fe_open state to struct CharDriverState.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Message-id:
1364292483-16564-4-git-send-email-hdegoede@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
char *label;
char *filename;
int be_open;
+ int fe_open;
int avail_connections;
QemuOpts *opts;
QTAILQ_ENTRY(CharDriverState) next;
void qemu_chr_fe_open(struct CharDriverState *chr)
{
+ if (chr->fe_open) {
+ return;
+ }
+ chr->fe_open = 1;
if (chr->chr_guest_open) {
chr->chr_guest_open(chr);
}
void qemu_chr_fe_close(struct CharDriverState *chr)
{
+ if (!chr->fe_open) {
+ return;
+ }
+ chr->fe_open = 0;
if (chr->chr_guest_close) {
chr->chr_guest_close(chr);
}