@@ -70,6 +70,7 @@ struct CharDriverState {
IOReadHandler *chr_read;
void *handler_opaque;
void (*chr_close)(struct CharDriverState *chr);
+ void (*chr_disconnect)(struct CharDriverState *chr);
void (*chr_accept_input)(struct CharDriverState *chr);
void (*chr_set_echo)(struct CharDriverState *chr, bool echo);
void (*chr_set_fe_open)(struct CharDriverState *chr, int fe_open);
@@ -124,6 +125,12 @@ CharDriverState *qemu_chr_new_from_opts(QemuOpts *opts,
*/
CharDriverState *qemu_chr_new(const char *label, const char *filename,
void (*init)(struct CharDriverState *s));
+/**
+ * @qemu_chr_disconnect:
+ *
+ * Close a fd accpeted by character backend.
+ */
+void qemu_chr_disconnect(CharDriverState *chr);
/**
* @qemu_chr_delete:
@@ -3836,6 +3836,13 @@ void qemu_chr_fe_release(CharDriverState *s)
s->avail_connections++;
}
+void qemu_chr_disconnect(CharDriverState *chr)
+{
+ if (chr->chr_disconnect) {
+ chr->chr_disconnect(chr);
+ }
+}
+
void qemu_chr_delete(CharDriverState *chr)
{
QTAILQ_REMOVE(&chardevs, chr, next);
@@ -4154,6 +4161,7 @@ static CharDriverState *qmp_chardev_open_socket(ChardevSocket *sock,
chr->chr_write = tcp_chr_write;
chr->chr_sync_read = tcp_chr_sync_read;
chr->chr_close = tcp_chr_close;
+ chr->chr_disconnect = tcp_chr_disconnect;
chr->get_msgfds = tcp_get_msgfds;
chr->set_msgfds = tcp_set_msgfds;
chr->chr_add_client = tcp_chr_add_client;
The patch introduces qemu_chr_disconnect(). The function is used for closing a fd accepted by listen fd. Though we already have qemu_chr_delete(), but it closes not only accepted fd but also listen fd. This new function is used when we still want to keep listen fd. Signed-off-by: Tetsuya Mukawa <mukawa@igel.co.jp> --- include/sysemu/char.h | 7 +++++++ qemu-char.c | 8 ++++++++ 2 files changed, 15 insertions(+)