[DOC] add missing size params in fiber scheduler.h (#5441)

1 files changed, 2 insertions, 0 deletions

diff --git a/include/ruby/fiber/scheduler.h b/include/ruby/fiber/scheduler.h
index 3ea52beb95..ced092adbc 100644
--- a/include/ruby/fiber/scheduler.h
+++ b/include/ruby/fiber/scheduler.h
@@ -293,6 +293,7 @@ VALUE rb_fiber_scheduler_io_pwrite(VALUE scheduler, VALUE io, VALUE buffer, size
  * @param[in]   scheduler    Target scheduler.
  * @param[out]  io           An io object to read from.
  * @param[out]  buffer       Return buffer.
+ * @param[in]   size         Size of the return buffer.
  * @param[in]   length       Requested number of bytes to read.
  * @retval      RUBY_Qundef  `scheduler` doesn't have `#io_read`.
  * @return      otherwise    What `scheduler.io_read` returns.
@@ -305,6 +306,7 @@ VALUE rb_fiber_scheduler_io_read_memory(VALUE scheduler, VALUE io, void *buffer,
  * @param[in]   scheduler    Target scheduler.
  * @param[out]  io           An io object to write to.
  * @param[in]   buffer       What to write.
+ * @param[in]   size         Size of the buffer.
  * @param[in]   length       Number of bytes to write.
  * @retval      RUBY_Qundef  `scheduler` doesn't have `#io_write`.
  * @return      otherwise    What `scheduler.io_write` returns.