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char: add chr_wait_connected callback

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A function to wait on the backend to be connected, to be used in the
following patches.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Marc-André Lureau 2016-07-27 01:15:17 +04:00 • committed by Michael S. Tsirkin
parent 8695de0fcf
commit 6b6723c3b5
2 changed files with 17 additions and 0 deletions
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9
qemu-char.c
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@ -3139,6 +3139,15 @@ static gboolean tcp_chr_accept(QIOChannel *channel,
return TRUE;
}
int qemu_chr_wait_connected(CharDriverState *chr, Error **errp)
{
if (chr->chr_wait_connected) {
return chr->chr_wait_connected(chr, errp);
}
return 0;
}
static void tcp_chr_close(CharDriverState *chr)
{
TCPCharDriver *s = chr->opaque;