ok
Acked-by: Jonathon Jongsma <jjongsma@xxxxxxxxxx>
On Tue, 2016-03-08 at 16:05 +0200, Dmitry Fleytman wrote:
> From: Kirill Moizik <kmoizik@xxxxxxxxxx>
>
> This commit introduces channel mutex to allow usage of
> channel objects in mutithreaded environments.
>
> This mutex will be used by future commits to protect
> thread unsafe usbredir functions and data structures.
>
> Signed-off-by: Kirill Moizik <kmoizik@xxxxxxxxxx>
> Signed-off-by: Dmitry Fleytman <dfleytma@xxxxxxxxxx>
> ---
> src/channel-usbredir-priv.h | 4 ++++
> src/channel-usbredir.c | 15 +++++++++++++++
> 2 files changed, 19 insertions(+)
>
> diff --git a/src/channel-usbredir-priv.h b/src/channel-usbredir-priv.h
> index 2c4c6f7..c987474 100644
> --- a/src/channel-usbredir-priv.h
> +++ b/src/channel-usbredir-priv.h
> @@ -51,6 +51,10 @@ void
> spice_usbredir_channel_disconnect_device(SpiceUsbredirChannel *channel);
>
> libusb_device *spice_usbredir_channel_get_device(SpiceUsbredirChannel
> *channel);
>
> +void spice_usbredir_channel_lock(SpiceUsbredirChannel *channel);
> +
> +void spice_usbredir_channel_unlock(SpiceUsbredirChannel *channel);
> +
> void spice_usbredir_channel_get_guest_filter(
> SpiceUsbredirChannel *channel,
> const struct usbredirfilter_rule **rules_ret,
> diff --git a/src/channel-usbredir.c b/src/channel-usbredir.c
> index c236ee7..daa35ec 100644
> --- a/src/channel-usbredir.c
> +++ b/src/channel-usbredir.c
> @@ -79,6 +79,7 @@ struct _SpiceUsbredirChannelPrivate {
> GSimpleAsyncResult *result;
> SpiceUsbAclHelper *acl_helper;
> #endif
> + STATIC_MUTEX device_connect_mutex;
> };
>
> static void channel_set_handlers(SpiceChannelClass *klass);
> @@ -107,6 +108,7 @@ static void
> spice_usbredir_channel_init(SpiceUsbredirChannel *channel)
> {
> #ifdef USE_USBREDIR
> channel->priv = SPICE_USBREDIR_CHANNEL_GET_PRIVATE(channel);
> + STATIC_MUTEX_INIT(channel->priv->device_connect_mutex);
> #endif
> }
>
> @@ -182,6 +184,9 @@ static void spice_usbredir_channel_finalize(GObject *obj)
>
> if (channel->priv->host)
> usbredirhost_close(channel->priv->host);
> +#ifdef USE_USBREDIR
> + STATIC_MUTEX_CLEAR(channel->priv->device_connect_mutex);
> +#endif
>
> /* Chain up to the parent class */
> if (G_OBJECT_CLASS(spice_usbredir_channel_parent_class)->finalize)
> @@ -561,6 +566,16 @@ static void *usbredir_alloc_lock(void) {
> #endif
> }
>
> +void spice_usbredir_channel_lock(SpiceUsbredirChannel *channel)
> +{
> + STATIC_MUTEX_LOCK(channel->priv->device_connect_mutex);
> +}
> +
> +void spice_usbredir_channel_unlock(SpiceUsbredirChannel *channel)
> +{
> + STATIC_MUTEX_UNLOCK(channel->priv->device_connect_mutex);
> +}
> +
> static void usbredir_lock_lock(void *user_data) {
> GMutex *mutex = user_data;
>
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