Code comments.

socketry · Aug 29, 2023 · b7954d6 · b7954d6
1 parent 11d8bb2
commit b7954d6
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/lib/io/event/selector/select.rb b/lib/io/event/selector/select.rb
@@ -280,7 +280,9 @@ def io_write(fiber, io, buffer, length, offset = 0)
 			elsif Support.fiber_scheduler_v1?
 				# Ruby <= 3.1, limited IO::Buffer support.
 				def io_read(fiber, _io, buffer, length, offset = 0)
+					# We need to avoid any internal buffering, so we use a duplicated IO object:
 					io = IO.for_fd(_io.fileno, autoclose: false)
+
 					total = 0
 
 					maximum_size = buffer.size - offset
@@ -321,7 +323,9 @@ def io_read(fiber, _io, buffer, length, offset = 0)
 				end
 
 				def io_write(fiber, _io, buffer, length, offset = 0)
+					# We need to avoid any internal buffering, so we use a duplicated IO object:
 					io = IO.for_fd(_io.fileno, autoclose: false)
+
 					total = 0
 
 					maximum_size = buffer.size - offset