https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=d83183e4f73224210f4179cb96c0beff1d2605de
commit d83183e4f73224210f4179cb96c0beff1d2605de Author: Corinna Vinschen <[email protected]> AuthorDate: Mon Aug 19 11:51:14 2024 +0200 Commit: Corinna Vinschen <[email protected]> CommitDate: Thu Aug 22 19:58:49 2024 +0200 Cygwin: pipe: do short writes only once in nonblocking case too If a nonblocking write requires short writes, just try it once as in the blocking case. After all, we are nonblocking, so don't loop unnecessarily. Fixes: 170e6badb621 ("Cygwin: pipe: improve writing when pipe buffer is almost full") Signed-off-by: Corinna Vinschen <[email protected]> Diff: --- winsup/cygwin/fhandler/pipe.cc | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/winsup/cygwin/fhandler/pipe.cc b/winsup/cygwin/fhandler/pipe.cc index 3f8d5479c5f1..6658a23e7f6f 100644 --- a/winsup/cygwin/fhandler/pipe.cc +++ b/winsup/cygwin/fhandler/pipe.cc @@ -559,8 +559,7 @@ fhandler_pipe_fifo::raw_write (const void *ptr, size_t len) len1 = avail & ~(PIPE_BUF - 1); else len1 = 1 << (31 - __builtin_clzl (avail)); - if (!is_nonblocking ()) - short_write_once = true; + short_write_once = true; } if (isclosed ()) /* A signal handler might have closed the fd. */ {
