From c81ceaefec39454f5f76f91be2885d577a668527 Mon Sep 17 00:00:00 2001 From: Christopher Faylor Date: Sun, 28 Jun 2009 19:23:13 +0000 Subject: * fhandler.h (fhandler_base::has_ongoing_io): Declare new function. * fhandler.cc (fhandler_base::has_ongoing_io): Define new function. (fhandler_base::read_overlapped): Use has_ongoing_io to avoid writing when handle has not completed last I/O. (fhandler_base::write_overlapped): Ditto. * select.cc (peek_pipe): Be more careful about accessing hEvent field from get_overlapped(). --- winsup/cygwin/fhandler.h | 1 + 1 file changed, 1 insertion(+) (limited to 'winsup/cygwin/fhandler.h') diff --git a/winsup/cygwin/fhandler.h b/winsup/cygwin/fhandler.h index 1efd8fd58..a4cc50f56 100644 --- a/winsup/cygwin/fhandler.h +++ b/winsup/cygwin/fhandler.h @@ -302,6 +302,7 @@ class fhandler_base virtual char const *ttyname () { return get_name (); } virtual void __stdcall read (void *ptr, size_t& len) __attribute__ ((regparm (3))); virtual void __stdcall read_overlapped (void *ptr, size_t& len) __attribute__ ((regparm (3))); + virtual bool __stdcall has_ongoing_io () __attribute__ ((regparm (1))); virtual int write (const void *ptr, size_t len); virtual int __stdcall write_overlapped (const void *ptr, size_t len); virtual ssize_t readv (const struct iovec *, int iovcnt, ssize_t tot = -1); -- cgit v1.2.3