[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH 14/25 v6] xen/arm: vpl011: Add a new add_console_tty_fd function in xenconsole
This patch introduces a new add_console_tty_fd function. This function adds the tty fd to the list of polled fds. Signed-off-by: Bhupinder Thakur <bhupinder.thakur@xxxxxxxxxx> --- CC: Ian Jackson <ian.jackson@xxxxxxxxxxxxx> CC: Wei Liu <wei.liu2@xxxxxxxxxx> CC: Stefano Stabellini <sstabellini@xxxxxxxxxx> CC: Julien Grall <julien.grall@xxxxxxx> Changes since v5: - Split this change in a separate patch. tools/console/daemon/io.c | 30 +++++++++++++++++------------- 1 file changed, 17 insertions(+), 13 deletions(-) diff --git a/tools/console/daemon/io.c b/tools/console/daemon/io.c index dc96203..6321d78 100644 --- a/tools/console/daemon/io.c +++ b/tools/console/daemon/io.c @@ -1069,6 +1069,22 @@ static void add_console_evtchn_fd(struct console *con, void *data) *((long long *)data) = next_timeout; } +static void add_console_tty_fd(struct console *con) +{ + if (con->master_fd != -1) { + short events = 0; + if (!con->d->is_dead && ring_free_bytes(con)) + events |= POLLIN; + + if (!buffer_empty(&con->buffer)) + events |= POLLOUT; + + if (events) + con->master_pollfd_idx = + set_fds(con->master_fd, events|POLLPRI); + } +} + void handle_io(void) { int ret; @@ -1148,19 +1164,7 @@ void handle_io(void) add_console_evtchn_fd(con, (void *)&next_timeout); - if (con->master_fd != -1) { - short events = 0; - if (!d->is_dead && ring_free_bytes(con)) - events |= POLLIN; - - if (!buffer_empty(&con->buffer)) - events |= POLLOUT; - - if (events) - con->master_pollfd_idx = - set_fds(con->master_fd, - events|POLLPRI); - } + add_console_tty_fd(con); } /* If any domain has been rate limited, we need to work -- 2.7.4 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx https://lists.xen.org/xen-devel
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