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-rw-r--r--os/rt/include/chthreads.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/os/rt/include/chthreads.h b/os/rt/include/chthreads.h
index 0fd206d19..6ac40d3b8 100644
--- a/os/rt/include/chthreads.h
+++ b/os/rt/include/chthreads.h
@@ -182,6 +182,9 @@ typedef struct {
* @note The specified time is rounded up to a value allowed by the real
* system tick clock.
* @note The maximum specifiable value is implementation dependent.
+ * @note Use of this macro for large values is not secure because
+ * integer overflows, make sure your value can be correctly
+ * converted.
*
* @param[in] sec time in seconds, must be different from zero
*
@@ -195,6 +198,9 @@ typedef struct {
* @note The specified time is rounded up to a value allowed by the real
* system tick clock.
* @note The maximum specifiable value is implementation dependent.
+ * @note Use of this macro for large values is not secure because
+ * integer overflows, make sure your value can be correctly
+ * converted.
*
* @param[in] msec time in milliseconds, must be different from zero
*
@@ -208,6 +214,9 @@ typedef struct {
* @note The specified time is rounded up to a value allowed by the real
* system tick clock.
* @note The maximum specifiable value is implementation dependent.
+ * @note Use of this macro for large values is not secure because
+ * integer overflows, make sure your value can be correctly
+ * converted.
*
* @param[in] usec time in microseconds, must be different from zero
*