diff options
Diffstat (limited to 'qemu-char.c')
-rw-r--r-- | qemu-char.c | 44 |
1 files changed, 27 insertions, 17 deletions
diff --git a/qemu-char.c b/qemu-char.c index 4c63ccbd78..64b95d7a06 100644 --- a/qemu-char.c +++ b/qemu-char.c @@ -953,7 +953,8 @@ static void cfmakeraw (struct termios *termios_p) #define HAVE_CHARDEV_TTY 1 typedef struct { - int fd; + GIOChannel *fd; + guint fd_tag; int connected; int polling; int read_bytes; @@ -972,7 +973,7 @@ static int pty_chr_write(CharDriverState *chr, const uint8_t *buf, int len) pty_chr_update_read_handler(chr); return 0; } - return send_all(s->fd, buf, len); + return io_channel_send_all(s->fd, buf, len); } static int pty_chr_read_poll(void *opaque) @@ -984,36 +985,39 @@ static int pty_chr_read_poll(void *opaque) return s->read_bytes; } -static void pty_chr_read(void *opaque) +static gboolean pty_chr_read(GIOChannel *chan, GIOCondition cond, void *opaque) { CharDriverState *chr = opaque; PtyCharDriver *s = chr->opaque; - int size, len; + gsize size, len; uint8_t buf[READ_BUF_LEN]; + GIOStatus status; len = sizeof(buf); if (len > s->read_bytes) len = s->read_bytes; if (len == 0) - return; - size = read(s->fd, buf, len); - if ((size == -1 && errno == EIO) || - (size == 0)) { + return FALSE; + status = g_io_channel_read_chars(s->fd, (gchar *)buf, len, &size, NULL); + if (status != G_IO_STATUS_NORMAL) { pty_chr_state(chr, 0); - return; - } - if (size > 0) { + return FALSE; + } else { pty_chr_state(chr, 1); qemu_chr_be_write(chr, buf, size); } + return TRUE; } static void pty_chr_update_read_handler(CharDriverState *chr) { PtyCharDriver *s = chr->opaque; - qemu_set_fd_handler2(s->fd, pty_chr_read_poll, - pty_chr_read, NULL, chr); + if (s->fd_tag) { + g_source_remove(s->fd_tag); + } + + s->fd_tag = io_add_watch_poll(s->fd, pty_chr_read_poll, pty_chr_read, chr); s->polling = 1; /* * Short timeout here: just need wait long enougth that qemu makes @@ -1031,7 +1035,8 @@ static void pty_chr_state(CharDriverState *chr, int connected) PtyCharDriver *s = chr->opaque; if (!connected) { - qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL); + g_source_remove(s->fd_tag); + s->fd_tag = 0; s->connected = 0; s->polling = 0; /* (re-)connect poll interval for idle guests: once per second. @@ -1066,9 +1071,14 @@ static void pty_chr_timer(void *opaque) static void pty_chr_close(struct CharDriverState *chr) { PtyCharDriver *s = chr->opaque; + int fd; - qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL); - close(s->fd); + if (s->fd_tag) { + g_source_remove(s->fd_tag); + } + fd = g_io_channel_unix_get_fd(s->fd); + g_io_channel_unref(s->fd); + close(fd); qemu_del_timer(s->timer); qemu_free_timer(s->timer); g_free(s); @@ -1120,7 +1130,7 @@ static CharDriverState *qemu_chr_open_pty(QemuOpts *opts) chr->chr_update_read_handler = pty_chr_update_read_handler; chr->chr_close = pty_chr_close; - s->fd = master_fd; + s->fd = io_channel_from_fd(master_fd); s->timer = qemu_new_timer_ms(rt_clock, pty_chr_timer, chr); return chr; |