Don't use the same i/o handle for the first client handler as is used
for the fhandler itself; this can lead to a later attempt to close the
same handle twice. Instead use a duplicate.
---
winsup/cygwin/fhandler_fifo.cc | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/winsup/cygwin/fhandler_fifo.cc b/winsup/cygwin/fhandler_fifo.cc
index 409144fda..0a6dc0591 100644
--- a/winsup/cygwin/fhandler_fifo.cc
+++ b/winsup/cygwin/fhandler_fifo.cc
@@ -480,7 +480,14 @@ fhandler_fifo::open (int flags, mode_t)
res = error_errno_set;
goto out;
}
- fh->set_handle (ph);
+ if (!DuplicateHandle (GetCurrentProcess (), ph, GetCurrentProcess (),
+ &fh->get_handle (), 0, true, DUPLICATE_SAME_ACCESS))
+ {
+ res = error_set_errno;
+ fh->close ();
+ delete fh;
+ goto out;
+ }
fh->set_flags (flags);
if (!(connect_evt = create_event ()))
{
--
2.17.0
