qemu-char: Add qemu_chr_add_handlers_full() for GMaincontext

Add qemu_chr_add_handlers_full() API, we can use
this API pass in a GMainContext,make handler run
in the context rather than main_loop.
This comments from Daniel P . Berrange.

Signed-off-by: Zhang Chen <zhangchen.fnst@cn.fujitsu.com>
Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com>
Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>

1 files changed, 10 insertions, 1 deletions

diff --git a/include/sysemu/char.h b/include/sysemu/char.h
index ee7e55468f..0d0465ae0e 100644
--- a/include/sysemu/char.h
+++ b/include/sysemu/char.h
@@ -65,7 +65,8 @@ struct CharDriverState {
     int (*chr_sync_read)(struct CharDriverState *s,
                          const uint8_t *buf, int len);
     GSource *(*chr_add_watch)(struct CharDriverState *s, GIOCondition cond);
-    void (*chr_update_read_handler)(struct CharDriverState *s);
+    void (*chr_update_read_handler)(struct CharDriverState *s,
+                                    GMainContext *context);
     int (*chr_ioctl)(struct CharDriverState *s, int cmd, void *arg);
     int (*get_msgfds)(struct CharDriverState *s, int* fds, int num);
     int (*set_msgfds)(struct CharDriverState *s, int *fds, int num);
@@ -422,6 +423,14 @@ void qemu_chr_add_handlers(CharDriverState *s,
                            IOEventHandler *fd_event,
                            void *opaque);
 
+/* This API can make handler run in the context what you pass to. */
+void qemu_chr_add_handlers_full(CharDriverState *s,
+                                IOCanReadHandler *fd_can_read,
+                                IOReadHandler *fd_read,
+                                IOEventHandler *fd_event,
+                                void *opaque,
+                                GMainContext *context);
+
 void qemu_chr_be_generic_open(CharDriverState *s);
 void qemu_chr_accept_input(CharDriverState *s);
 int qemu_chr_add_client(CharDriverState *s, int fd);