[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH 12/25 v6] xen/arm: vpl011: Add a new buffer_available function in xenconsole
This patch introduces a new buffer_available function to check if more data is allowed to be buffered. 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 | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/tools/console/daemon/io.c b/tools/console/daemon/io.c index 9e92097..e4882e2 100644 --- a/tools/console/daemon/io.c +++ b/tools/console/daemon/io.c @@ -163,6 +163,16 @@ static int write_with_timestamp(int fd, const char *data, size_t sz, return 0; } +static inline bool buffer_available(struct console *con) +{ + if (discard_overflowed_data || + !con->buffer.max_capacity || + con->buffer.size < con->buffer.max_capacity) + return true; + else + return false; +} + static void buffer_append(struct console *con) { struct buffer *buffer = &con->buffer; @@ -1121,9 +1131,7 @@ void handle_io(void) con->next_period < next_timeout) next_timeout = con->next_period; } else if (con->xce_handle != NULL) { - if (discard_overflowed_data || - !con->buffer.max_capacity || - con->buffer.size < con->buffer.max_capacity) { + if (buffer_available(con)) { int evtchn_fd = xenevtchn_fd(con->xce_handle); con->xce_pollfd_idx = set_fds(evtchn_fd, POLLIN|POLLPRI); -- 2.7.4 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx https://lists.xen.org/xen-devel
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