From e0fd15c91b206ff788148b8dd2a37a80c8cad175 Mon Sep 17 00:00:00 2001 From: Ken Brown Date: Wed, 27 Mar 2019 21:29:21 +0000 Subject: [PATCH] Cygwin: FIFO: implement clear_readahead Make fhandler_base::clear_readahead virtual, and implement fhandler_fifo::clear_readahead. This is called by dtable::fixup_after_exec; it clears the readahead in each client. --- winsup/cygwin/fhandler.h | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/winsup/cygwin/fhandler.h b/winsup/cygwin/fhandler.h index 3398cc625..21fec9e38 100644 --- a/winsup/cygwin/fhandler.h +++ b/winsup/cygwin/fhandler.h @@ -444,7 +444,7 @@ public: return dev ().native (); } virtual bg_check_types bg_check (int, bool = false) {return bg_ok;} - void clear_readahead () + virtual void clear_readahead () { raixput = raixget = ralen = rabuflen = 0; rabuf = NULL; @@ -1302,6 +1302,12 @@ public: bool arm (HANDLE h); void fixup_after_fork (HANDLE); int __reg2 fstatvfs (struct statvfs *buf); + void clear_readahead () + { + fhandler_base::clear_readahead (); + for (int i = 0; i < nclients; i++) + client[i].fh->clear_readahead (); + } select_record *select_read (select_stuff *); select_record *select_write (select_stuff *); select_record *select_except (select_stuff *); -- 2.43.5