diff options
Diffstat (limited to 'qemu-char.c')
| -rw-r--r-- | qemu-char.c | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/qemu-char.c b/qemu-char.c index 03858d4ef7..5e04a20b8c 100644 --- a/qemu-char.c +++ b/qemu-char.c @@ -197,9 +197,9 @@ void qemu_chr_add_handlers(CharDriverState *s, IOEventHandler *fd_event, void *opaque) { - if (!opaque) { + if (!opaque && !fd_can_read && !fd_read && !fd_event) { /* chr driver being released. */ - s->assigned = 0; + ++s->avail_connections; } s->chr_can_read = fd_can_read; s->chr_read = fd_read; @@ -480,6 +480,9 @@ static CharDriverState *qemu_chr_open_mux(CharDriverState *drv) chr->chr_write = mux_chr_write; chr->chr_update_read_handler = mux_chr_update_read_handler; chr->chr_accept_input = mux_chr_accept_input; + /* Frontend guest-open / -close notification is not support with muxes */ + chr->chr_guest_open = NULL; + chr->chr_guest_close = NULL; /* Muxes are always open on creation */ qemu_chr_generic_open(chr); @@ -2544,7 +2547,10 @@ CharDriverState *qemu_chr_open_opts(QemuOpts *opts, snprintf(base->label, len, "%s-base", qemu_opts_id(opts)); chr = qemu_chr_open_mux(base); chr->filename = base->filename; + chr->avail_connections = MAX_MUX; QTAILQ_INSERT_TAIL(&chardevs, chr, next); + } else { + chr->avail_connections = 1; } chr->label = qemu_strdup(qemu_opts_id(opts)); return chr; @@ -2579,6 +2585,20 @@ void qemu_chr_set_echo(struct CharDriverState *chr, bool echo) } } +void qemu_chr_guest_open(struct CharDriverState *chr) +{ + if (chr->chr_guest_open) { + chr->chr_guest_open(chr); + } +} + +void qemu_chr_guest_close(struct CharDriverState *chr) +{ + if (chr->chr_guest_close) { + chr->chr_guest_close(chr); + } +} + void qemu_chr_close(CharDriverState *chr) { QTAILQ_REMOVE(&chardevs, chr, next); |