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* dtable.cc (dtable::vfork_parent_restore): Add debugging statement.

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* 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.
This commit is contained in:
Christopher Faylor
2001-11-24 03:11:39 +00:00
parent 97a2e0756d
commit 5a64d86941
12 changed files with 301 additions and 150 deletions
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6
winsup/cygwin/fhandler.cc
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@ -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;