lib/std/exec: remove write buffon on pipes

Signed-off-by: Jean Privat <jean@pryen.org>

diff --git a/lib/standard/exec.nit b/lib/standard/exec.nit
index d9a0704..8cd2f70 100644 (file)
--- a/lib/standard/exec.nit
+++ b/lib/standard/exec.nit
@@ -129,7 +129,9 @@ class ProcessWriter
        redef fun execute
        do
                super
-               stream_out = new FileWriter.from_fd(data.in_fd)
+               var out = new FileWriter.from_fd(data.in_fd)
+               out.set_buffering_mode(0, sys.buffer_mode_none)
+               stream_out = out
        end
 end