[xemacs-hg @ 2002-06-28 14:24:07 by michaels] 2002-06-27 Mike Sperber <mike@xemacs.org> * data.c (prune_weak_boxes): Rewrite for better readability. 2002-06-23 Martin Köbele <martin@mkoebele.de> Jens Müller <jmueller@informatik.uni-tuebingen.de> Mike Sperber <mike@xemacs.org> * lrecord.h (lrecord_type): add lrecord_type_ephemeron to lrecord_type enumeration. * lisp.h (XEPHEMERON): (XEPHEMERON_REF): (XEPHEMERON_NEXT): (XEPHEMERON_FINALIZER): (XSET_EPHEMERON_NEXT): (XSET_EPHEMERON_VALUE): (XSET_EPHEMERON_KEY): (wrap_ephemeron): (EPHEMERONP): (CHECK_EPHEMERON): (CONCHECK_EPHEMERON): (struct ephemeron): Add representation of ephemerons. * alloc.c (garbage_collect_1): (finish_marking_ephemerons): (prune_ephemerons): Call. * data.c: (finish_marking_ephemerons): (prune_ephemerons): (mark_ephemeron): (print_ephemeron): (ephemeron_equal) (ephemeron_hash):: (make_ephemeron): (Fmake_ephemeron): (Fephemeronp): (Fephemeron_ref): (syms_of_data): (vars_of_data): Add implementation of ephemerons

/* Synched up with: FSF 19.31. */

/* s- file for Interactive (ISC) Unix version 3.0 on the 386.  */

#include "isc2-2.h"

/* This appears on 3.0, presumably as part of what SunSoft call X2. */
#undef NO_X_DESTROY_DATABASE

/* People say that using -traditional causes lossage with `const',
   so we might as well try getting rid of -traditional.  */
#undef C_SWITCH_SYSTEM

/* TIOCGWINSZ isn't broken; you just have to know where to find it.  */
#undef BROKEN_TIOCGWINSZ
#define NEED_SIOCTL

/* We need either _XOPEN_SOURCE or _POSIX_SOURCE to import the posix
   signal symbols; might as well use _XOPEN_SOURCE.  Defining _SYSV3
   ensures that we don't lose the traditional symbols as a side effect
   from this or __STDC__ being defined.  */
#define C_SWITCH_SYSTEM "-D_XOPEN_SOURCE -D_SYSV3"

#ifdef __GNUC__  /* Currently we use -lcposix only with gcc */
/* This works around a bug in ISC 4.0 and 3.0; it fails
   to clear the "POSIX process" flag on an exec.
   It won't be needed for 4.1.  */
#define EXTRA_INITIALIZE __setostype (0)
#endif