diff options
| -rw-r--r-- | chardev/char-fe.c | 33 | ||||
| -rw-r--r-- | chardev/char-mux.c | 16 | ||||
| -rw-r--r-- | include/chardev/char-fe.h | 18 |
3 files changed, 49 insertions, 18 deletions
diff --git a/chardev/char-fe.c b/chardev/char-fe.c index a8931f7..b7bcbd5 100644 --- a/chardev/char-fe.c +++ b/chardev/char-fe.c @@ -246,14 +246,15 @@ void qemu_chr_fe_deinit(CharBackend *b, bool del) } } -void qemu_chr_fe_set_handlers(CharBackend *b, - IOCanReadHandler *fd_can_read, - IOReadHandler *fd_read, - IOEventHandler *fd_event, - BackendChangeHandler *be_change, - void *opaque, - GMainContext *context, - bool set_open) +void qemu_chr_fe_set_handlers_full(CharBackend *b, + IOCanReadHandler *fd_can_read, + IOReadHandler *fd_read, + IOEventHandler *fd_event, + BackendChangeHandler *be_change, + void *opaque, + GMainContext *context, + bool set_open, + bool sync_state) { Chardev *s; int fe_open; @@ -285,7 +286,7 @@ void qemu_chr_fe_set_handlers(CharBackend *b, qemu_chr_fe_take_focus(b); /* We're connecting to an already opened device, so let's make sure we also get the open event */ - if (s->be_open) { + if (sync_state && s->be_open) { qemu_chr_be_event(s, CHR_EVENT_OPENED); } } @@ -295,6 +296,20 @@ void qemu_chr_fe_set_handlers(CharBackend *b, } } +void qemu_chr_fe_set_handlers(CharBackend *b, + IOCanReadHandler *fd_can_read, + IOReadHandler *fd_read, + IOEventHandler *fd_event, + BackendChangeHandler *be_change, + void *opaque, + GMainContext *context, + bool set_open) +{ + qemu_chr_fe_set_handlers_full(b, fd_can_read, fd_read, fd_event, be_change, + opaque, context, set_open, + true); +} + void qemu_chr_fe_take_focus(CharBackend *b) { if (!b->chr) { diff --git a/chardev/char-mux.c b/chardev/char-mux.c index 6055e76..1199d32 100644 --- a/chardev/char-mux.c +++ b/chardev/char-mux.c @@ -283,13 +283,13 @@ void mux_chr_set_handlers(Chardev *chr, GMainContext *context) MuxChardev *d = MUX_CHARDEV(chr); /* Fix up the real driver with mux routines */ - qemu_chr_fe_set_handlers(&d->chr, - mux_chr_can_read, - mux_chr_read, - mux_chr_event, - NULL, - chr, - context, true); + qemu_chr_fe_set_handlers_full(&d->chr, + mux_chr_can_read, + mux_chr_read, + mux_chr_event, + NULL, + chr, + context, true, false); } void mux_set_focus(Chardev *chr, int focus) @@ -367,7 +367,7 @@ static int open_muxes(Chardev *chr) * mark mux as OPENED so any new FEs will immediately receive * OPENED event */ - qemu_chr_be_event(chr, CHR_EVENT_OPENED); + chr->be_open = 1; return 0; } diff --git a/include/chardev/char-fe.h b/include/chardev/char-fe.h index 46c997d..c1b7fd9 100644 --- a/include/chardev/char-fe.h +++ b/include/chardev/char-fe.h @@ -67,7 +67,7 @@ bool qemu_chr_fe_backend_connected(CharBackend *be); bool qemu_chr_fe_backend_open(CharBackend *be); /** - * qemu_chr_fe_set_handlers: + * qemu_chr_fe_set_handlers_full: * @b: a CharBackend * @fd_can_read: callback to get the amount of data the frontend may * receive @@ -79,12 +79,28 @@ bool qemu_chr_fe_backend_open(CharBackend *be); * @context: a main loop context or NULL for the default * @set_open: whether to call qemu_chr_fe_set_open() implicitely when * any of the handler is non-NULL + * @sync_state: whether to issue event callback with updated state * * Set the front end char handlers. The front end takes the focus if * any of the handler is non-NULL. * * Without associated Chardev, nothing is changed. */ +void qemu_chr_fe_set_handlers_full(CharBackend *b, + IOCanReadHandler *fd_can_read, + IOReadHandler *fd_read, + IOEventHandler *fd_event, + BackendChangeHandler *be_change, + void *opaque, + GMainContext *context, + bool set_open, + bool sync_state); + +/** + * qemu_chr_fe_set_handlers: + * + * Version of qemu_chr_fe_set_handlers_full() with sync_state = true. + */ void qemu_chr_fe_set_handlers(CharBackend *b, IOCanReadHandler *fd_can_read, IOReadHandler *fd_read, |