From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:53316) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1US2cx-0003BW-Pr for qemu-devel@nongnu.org; Tue, 16 Apr 2013 05:56:43 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1US2cv-0005wC-PH for qemu-devel@nongnu.org; Tue, 16 Apr 2013 05:56:39 -0400 Received: from mx1.redhat.com ([209.132.183.28]:15899) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1US2cv-0005vy-GG for qemu-devel@nongnu.org; Tue, 16 Apr 2013 05:56:37 -0400 From: Gerd Hoffmann Date: Tue, 16 Apr 2013 11:56:30 +0200 Message-Id: <1366106194-28826-6-git-send-email-kraxel@redhat.com> In-Reply-To: <1366106194-28826-1-git-send-email-kraxel@redhat.com> References: <1366106194-28826-1-git-send-email-kraxel@redhat.com> Subject: [Qemu-devel] [PATCH 5/9] virtio-console: Remove any pending watches on close List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Amit Shah , Hans de Goede , Anthony Liguori , Gerd Hoffmann From: Hans de Goede Signed-off-by: Hans de Goede Signed-off-by: Gerd Hoffmann --- hw/char/virtio-console.c | 24 ++++++++++++++++++++++-- 1 file changed, 22 insertions(+), 2 deletions(-) diff --git a/hw/char/virtio-console.c b/hw/char/virtio-console.c index 061f4bd..6759e51 100644 --- a/hw/char/virtio-console.c +++ b/hw/char/virtio-console.c @@ -18,6 +18,7 @@ typedef struct VirtConsole { VirtIOSerialPort port; CharDriverState *chr; + guint watch; } VirtConsole; /* @@ -29,6 +30,7 @@ static gboolean chr_write_unblocked(GIOChannel *chan, GIOCondition cond, { VirtConsole *vcon = opaque; + vcon->watch = 0; virtio_serial_throttle_port(&vcon->port, false); return FALSE; } @@ -61,8 +63,10 @@ static ssize_t flush_buf(VirtIOSerialPort *port, ret = 0; if (!k->is_console) { virtio_serial_throttle_port(port, true); - qemu_chr_fe_add_watch(vcon->chr, G_IO_OUT, chr_write_unblocked, - vcon); + if (!vcon->watch) { + vcon->watch = qemu_chr_fe_add_watch(vcon->chr, G_IO_OUT, + chr_write_unblocked, vcon); + } } } return ret; @@ -106,6 +110,10 @@ static void chr_event(void *opaque, int event) virtio_serial_open(&vcon->port); break; case CHR_EVENT_CLOSED: + if (vcon->watch) { + g_source_remove(vcon->watch); + vcon->watch = 0; + } virtio_serial_close(&vcon->port); break; } @@ -130,6 +138,17 @@ static int virtconsole_initfn(VirtIOSerialPort *port) return 0; } +static int virtconsole_exitfn(VirtIOSerialPort *port) +{ + VirtConsole *vcon = DO_UPCAST(VirtConsole, port, port); + + if (vcon->watch) { + g_source_remove(vcon->watch); + } + + return 0; +} + static Property virtconsole_properties[] = { DEFINE_PROP_CHR("chardev", VirtConsole, chr), DEFINE_PROP_END_OF_LIST(), @@ -142,6 +161,7 @@ static void virtconsole_class_init(ObjectClass *klass, void *data) k->is_console = true; k->init = virtconsole_initfn; + k->exit = virtconsole_exitfn; k->have_data = flush_buf; k->set_guest_connected = set_guest_connected; dc->props = virtconsole_properties; -- 1.7.9.7