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-rw-r--r--cpukit/libcsupport/include/rtems/libio.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/cpukit/libcsupport/include/rtems/libio.h b/cpukit/libcsupport/include/rtems/libio.h
index 9268aed2e1..b42ff93dec 100644
--- a/cpukit/libcsupport/include/rtems/libio.h
+++ b/cpukit/libcsupport/include/rtems/libio.h
@@ -786,6 +786,8 @@ typedef int (*rtems_filesystem_close_t)(
/**
* @brief Reads from a node.
*
+ * This handler is responsible to update the offset field of the IO descriptor.
+ *
* @param[in, out] iop The IO pointer.
* @param[out] buffer The buffer for read data.
* @param[in] count The size of the buffer in characters.
@@ -804,6 +806,8 @@ typedef ssize_t (*rtems_filesystem_read_t)(
/**
* @brief Writes to a node.
*
+ * This handler is responsible to update the offset field of the IO descriptor.
+ *
* @param[in, out] iop The IO pointer.
* @param[out] buffer The buffer for write data.
* @param[in] count The size of the buffer in characters.