diff options
Diffstat (limited to 'os/hal/include/hal_buffers.h')
| -rw-r--r-- | os/hal/include/hal_buffers.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/os/hal/include/hal_buffers.h b/os/hal/include/hal_buffers.h index e5d5fa7b9..d537477f2 100644 --- a/os/hal/include/hal_buffers.h +++ b/os/hal/include/hal_buffers.h @@ -102,6 +102,12 @@ struct io_buffers_queue { */
uint8_t *top;
/**
+ * @brief Buffer is being accessed.
+ * @details This flag indicates that the current buffer is being read or
+ * written by a long, preemptable operation.
+ */
+ bool accessed;
+ /**
* @brief Data notification callback.
*/
bqnotify_t notify;
@@ -205,7 +211,7 @@ typedef io_buffers_queue_t output_buffers_queue_t; *
* @iclass
*/
-#define obqIsEmptyI(oqp) ((bool)(((obqp)->bwrptr == (obqp)->brdptr) && \
+#define obqIsEmptyI(oqp) ((bool)(((obqp)->bwrptr == (obqp)->brdptr) && \
((obqp)->bcounter != 0U)))
/**
@@ -254,6 +260,8 @@ extern "C" { systime_t timeout);
size_t obqWriteTimeout(output_buffers_queue_t *obqp, const uint8_t *bp,
size_t n, systime_t timeout);
+ bool obqTryFlushI(output_buffers_queue_t *obqp);
+ void obqFlush(output_buffers_queue_t *obqp);
#ifdef __cplusplus
}
#endif
|