From bcd4dfd6852361361d6622de7e67f94e2b475d27 Mon Sep 17 00:00:00 2001 From: Mao Zhongyi Date: Mon, 4 Sep 2017 22:35:39 +0800 Subject: net/net: Convert parse_host_port() to Error Cc: berrange@redhat.com Cc: kraxel@redhat.com Cc: pbonzini@redhat.com Cc: jasowang@redhat.com Cc: armbru@redhat.com Cc: eblake@redhat.com Signed-off-by: Mao Zhongyi Reviewed-by: Markus Armbruster Signed-off-by: Jason Wang --- include/qemu/sockets.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'include') diff --git a/include/qemu/sockets.h b/include/qemu/sockets.h index 639cc079d9..4f7311b52a 100644 --- a/include/qemu/sockets.h +++ b/include/qemu/sockets.h @@ -45,7 +45,8 @@ void socket_listen_cleanup(int fd, Error **errp); int socket_dgram(SocketAddress *remote, SocketAddress *local, Error **errp); /* Old, ipv4 only bits. Don't use for new code. */ -int parse_host_port(struct sockaddr_in *saddr, const char *str); +int parse_host_port(struct sockaddr_in *saddr, const char *str, + Error **errp); int socket_init(void); /** -- cgit 1.4.1 From 329163cbe64a615b4edf6c40f2fff8c79dbc8fb4 Mon Sep 17 00:00:00 2001 From: Wang Yong Date: Tue, 29 Aug 2017 15:22:37 +0800 Subject: qemu-iothread: IOThread supports the GMainContext event loop IOThread uses AioContext event loop and does not run a GMainContext. Therefore,chardev cannot work in IOThread,such as the chardev is used for colo-compare packets reception. This patch makes the IOThread run the GMainContext event loop, chardev and IOThread can work together. Reviewed-by: Fam Zheng Signed-off-by: Wang Yong Signed-off-by: Wang Guang Signed-off-by: Jason Wang --- include/sysemu/iothread.h | 4 ++++ iothread.c | 45 +++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 49 insertions(+) (limited to 'include') diff --git a/include/sysemu/iothread.h b/include/sysemu/iothread.h index e6da1a4087..d2985b30ba 100644 --- a/include/sysemu/iothread.h +++ b/include/sysemu/iothread.h @@ -24,6 +24,9 @@ typedef struct { QemuThread thread; AioContext *ctx; + GMainContext *worker_context; + GMainLoop *main_loop; + GOnce once; QemuMutex init_done_lock; QemuCond init_done_cond; /* is thread initialization done? */ bool stopping; @@ -41,5 +44,6 @@ typedef struct { char *iothread_get_id(IOThread *iothread); AioContext *iothread_get_aio_context(IOThread *iothread); void iothread_stop_all(void); +GMainContext *iothread_get_g_main_context(IOThread *iothread); #endif /* IOTHREAD_H */ diff --git a/iothread.c b/iothread.c index beeb870534..44c8944dc4 100644 --- a/iothread.c +++ b/iothread.c @@ -57,6 +57,23 @@ static void *iothread_run(void *opaque) while (!atomic_read(&iothread->stopping)) { aio_poll(iothread->ctx, true); + + if (atomic_read(&iothread->worker_context)) { + GMainLoop *loop; + + g_main_context_push_thread_default(iothread->worker_context); + iothread->main_loop = + g_main_loop_new(iothread->worker_context, TRUE); + loop = iothread->main_loop; + + g_main_loop_run(iothread->main_loop); + iothread->main_loop = NULL; + g_main_loop_unref(loop); + + g_main_context_pop_thread_default(iothread->worker_context); + g_main_context_unref(iothread->worker_context); + iothread->worker_context = NULL; + } } rcu_unregister_thread(); @@ -73,6 +90,9 @@ static int iothread_stop(Object *object, void *opaque) } iothread->stopping = true; aio_notify(iothread->ctx); + if (atomic_read(&iothread->main_loop)) { + g_main_loop_quit(iothread->main_loop); + } qemu_thread_join(&iothread->thread); return 0; } @@ -125,6 +145,7 @@ static void iothread_complete(UserCreatable *obj, Error **errp) qemu_mutex_init(&iothread->init_done_lock); qemu_cond_init(&iothread->init_done_cond); + iothread->once = (GOnce) G_ONCE_INIT; /* This assumes we are called from a thread with useful CPU affinity for us * to inherit. @@ -309,3 +330,27 @@ void iothread_stop_all(void) object_child_foreach(container, iothread_stop, NULL); } + +static gpointer iothread_g_main_context_init(gpointer opaque) +{ + AioContext *ctx; + IOThread *iothread = opaque; + GSource *source; + + iothread->worker_context = g_main_context_new(); + + ctx = iothread_get_aio_context(iothread); + source = aio_get_g_source(ctx); + g_source_attach(source, iothread->worker_context); + g_source_unref(source); + + aio_notify(iothread->ctx); + return NULL; +} + +GMainContext *iothread_get_g_main_context(IOThread *iothread) +{ + g_once(&iothread->once, iothread_g_main_context_init, iothread); + + return iothread->worker_context; +} -- cgit 1.4.1