From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39631) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bSyIL-0006Q9-68 for qemu-devel@nongnu.org; Thu, 28 Jul 2016 23:17:12 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bSyIJ-00039U-7l for qemu-devel@nongnu.org; Thu, 28 Jul 2016 23:17:04 -0400 Received: from mx1.redhat.com ([209.132.183.28]:55294) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bSyIJ-00039P-1V for qemu-devel@nongnu.org; Thu, 28 Jul 2016 23:17:03 -0400 Date: Fri, 29 Jul 2016 06:17:00 +0300 From: "Michael S. Tsirkin" Message-ID: <1469762011-7902-34-git-send-email-mst@redhat.com> References: <1469762011-7902-1-git-send-email-mst@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline In-Reply-To: <1469762011-7902-1-git-send-email-mst@redhat.com> Content-Transfer-Encoding: quoted-printable Subject: [Qemu-devel] [PULL 33/41] char: add chr_wait_connected callback List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Peter Maydell , =?iso-8859-1?Q?Marc-Andr=E9?= Lureau , Paolo Bonzini From: Marc-Andr=E9 Lureau A function to wait on the backend to be connected, to be used in the following patches. Signed-off-by: Marc-Andr=E9 Lureau Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- include/sysemu/char.h | 8 ++++++++ qemu-char.c | 9 +++++++++ 2 files changed, 17 insertions(+) diff --git a/include/sysemu/char.h b/include/sysemu/char.h index 0ea9eac..ee7e554 100644 --- a/include/sysemu/char.h +++ b/include/sysemu/char.h @@ -70,6 +70,7 @@ struct CharDriverState { int (*get_msgfds)(struct CharDriverState *s, int* fds, int num); int (*set_msgfds)(struct CharDriverState *s, int *fds, int num); int (*chr_add_client)(struct CharDriverState *chr, int fd); + int (*chr_wait_connected)(struct CharDriverState *chr, Error **errp)= ; IOEventHandler *chr_event; IOCanReadHandler *chr_can_read; IOReadHandler *chr_read; @@ -159,6 +160,13 @@ void qemu_chr_disconnect(CharDriverState *chr); void qemu_chr_cleanup(void); =20 /** + * @qemu_chr_wait_connected: + * + * Wait for characted backend to be connected. + */ +int qemu_chr_wait_connected(CharDriverState *chr, Error **errp); + +/** * @qemu_chr_new_noreplay: * * Create a new character backend from a URI. diff --git a/qemu-char.c b/qemu-char.c index 1274f50..6eba615 100644 --- a/qemu-char.c +++ b/qemu-char.c @@ -3139,6 +3139,15 @@ static gboolean tcp_chr_accept(QIOChannel *channel= , return TRUE; } =20 +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 =3D chr->opaque; --=20 MST