diff options
Diffstat (limited to 'qemu-char.c')
-rw-r--r-- | qemu-char.c | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/qemu-char.c b/qemu-char.c index 4a5d03b744..4f29618022 100644 --- a/qemu-char.c +++ b/qemu-char.c @@ -233,6 +233,7 @@ typedef struct { IOEventHandler *chr_event[MAX_MUX]; void *ext_opaque[MAX_MUX]; CharDriverState *drv; + int focus; int mux_cnt; int term_got_escape; int max_size; @@ -361,11 +362,11 @@ static int mux_proc_byte(CharDriverState *chr, MuxDriver *d, int ch) break; case 'c': /* Switch to the next registered device */ - mux_chr_send_event(d, chr->focus, CHR_EVENT_MUX_OUT); - chr->focus++; - if (chr->focus >= d->mux_cnt) - chr->focus = 0; - mux_chr_send_event(d, chr->focus, CHR_EVENT_MUX_IN); + mux_chr_send_event(d, d->focus, CHR_EVENT_MUX_OUT); + d->focus++; + if (d->focus >= d->mux_cnt) + d->focus = 0; + mux_chr_send_event(d, d->focus, CHR_EVENT_MUX_IN); break; case 't': d->timestamps = !d->timestamps; @@ -384,8 +385,8 @@ static int mux_proc_byte(CharDriverState *chr, MuxDriver *d, int ch) static void mux_chr_accept_input(CharDriverState *chr) { - int m = chr->focus; MuxDriver *d = chr->opaque; + int m = d->focus; while (d->prod[m] != d->cons[m] && d->chr_can_read[m] && @@ -399,7 +400,7 @@ static int mux_chr_can_read(void *opaque) { CharDriverState *chr = opaque; MuxDriver *d = chr->opaque; - int m = chr->focus; + int m = d->focus; if ((d->prod[m] - d->cons[m]) < MUX_BUFFER_SIZE) return 1; @@ -412,7 +413,7 @@ static void mux_chr_read(void *opaque, const uint8_t *buf, int size) { CharDriverState *chr = opaque; MuxDriver *d = chr->opaque; - int m = chr->focus; + int m = d->focus; int i; mux_chr_accept_input (opaque); @@ -456,12 +457,12 @@ static void mux_chr_update_read_handler(CharDriverState *chr) qemu_chr_add_handlers(d->drv, mux_chr_can_read, mux_chr_read, mux_chr_event, chr); } - if (chr->focus != -1) { - mux_chr_send_event(d, chr->focus, CHR_EVENT_MUX_OUT); + if (d->focus != -1) { + mux_chr_send_event(d, d->focus, CHR_EVENT_MUX_OUT); } - chr->focus = d->mux_cnt; + d->focus = d->mux_cnt; d->mux_cnt++; - mux_chr_send_event(d, chr->focus, CHR_EVENT_MUX_IN); + mux_chr_send_event(d, d->focus, CHR_EVENT_MUX_IN); } static CharDriverState *qemu_chr_open_mux(CharDriverState *drv) @@ -474,7 +475,7 @@ static CharDriverState *qemu_chr_open_mux(CharDriverState *drv) chr->opaque = d; d->drv = drv; - chr->focus = -1; + d->focus = -1; chr->chr_write = mux_chr_write; chr->chr_update_read_handler = mux_chr_update_read_handler; chr->chr_accept_input = mux_chr_accept_input; |