* cygheap.cc (_cfree): Add regparm attribute.

(_crealloc): Ditto.
* dcrt0.cc (dll_crt0_1): Default to always checking for executable for now.
* dtable.cc (dtable::not_open): Move method.
* dtable.h (dtable): Here.
* exceptions.cc (ctrl_c_handler): Don't expect process group leader to handle a
signal if it doesn't exist.
* fhandler.h (fhandler_base): Make openflags protected.
* localtime.c (tzsetwall): Check for __CYGWIN__ as well as __WIN32__.
* path.cc (path_conv::check): Add some comments.  Change strcat to assignment.
* lib/_cygwin_S_IEXEC.cc (_cygwin_bob__): Eliminate.
* fhandler_tty.cc (fhandler_console::dup): Set controlling terminal if
necessary.
* fhandler_tty.cc (fhandler_tty_slave::dup): Ditto.

winsup/cygwin/dtable.cc

@@ -125,17 +125,6 @@ stdio_init (void)
     }
 }
 
-int
-dtable::not_open (int fd)
-{
-  SetResourceLock(LOCK_FD_LIST, READ_LOCK, "not_open");
-
-  int res = fd < 0 || fd >= (int)size || fds[fd] == NULL;
-
-  ReleaseResourceLock(LOCK_FD_LIST, READ_LOCK, "not open");
-  return res;
-}
-
 int
 dtable::find_unused_handle (int start)
 {