From 5a64d8694176dbe7bd0c61c33d6e6cecd54d7a71 Mon Sep 17 00:00:00 2001 From: Christopher Faylor Date: Sat, 24 Nov 2001 03:11:39 +0000 Subject: * dtable.cc (dtable::vfork_parent_restore): Add debugging statement. * exceptions.cc (try_to_debug): Spin only as long as we don't have a debugger attached. * fhandler.h (fhandler_base::set_nohandle): New method. (fhandler_base::get_nohandle): New method. * fhandler.cc (fhandler_base::dup): Avoid duplicating handle if there is no handle. * fhandler_disk_file.cc (fhandler_disk_file::opendir): Set nohandle flag on dummy fd. * Makefile.in: Make intermediate library for eventual inclusion in libcygwin.a * fhandler.h (fhandler_pipe::fhandler_pipe): Remove default argument setting since it is no longer used. * miscfuncs.cc (check_null_str): New function. (+check_null_str_errno): Ditto. * net.cc: Add defensive buffer checking throughout. (cygwin_sendto): Protect against invalid fd. (cygwin_recvfrom): Ditto. (cygwin_getpeername): Ditto. (cygwin_recv): Ditto. (cygwin_send): Ditto. * winsup.h: Declare a new function. * select.cc (set_bits): Fix conditional for setting fd in exceptfds. * dtable.cc (dtable::build_fhandler): Create fhandler_pipe using correct device type. * path.cc (get_devn): Set correct pipe device type from device name. --- winsup/cygwin/fhandler.cc | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'winsup/cygwin/fhandler.cc') diff --git a/winsup/cygwin/fhandler.cc b/winsup/cygwin/fhandler.cc index e61b90ee9..21f4fb39c 100644 --- a/winsup/cygwin/fhandler.cc +++ b/winsup/cygwin/fhandler.cc @@ -916,7 +916,9 @@ fhandler_base::dup (fhandler_base *child) debug_printf ("in fhandler_base dup"); HANDLE nh; - if (!DuplicateHandle (hMainProc, get_handle(), hMainProc, &nh, 0, TRUE, + if (get_nohandle ()) + nh = NULL; + else if (!DuplicateHandle (hMainProc, get_handle(), hMainProc, &nh, 0, TRUE, DUPLICATE_SAME_ACCESS)) { system_printf ("dup(%s) failed, handle %x, %E", @@ -1151,7 +1153,7 @@ fhandler_base::fixup_after_fork (HANDLE parent) fork_fixup (parent, io_handle, "io_handle"); } -int +bool fhandler_base::is_nonblocking () { return (openflags & O_NONBLOCK_MASK) != 0; -- cgit v1.2.3