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Diffstat (limited to 'ChangeLog')
| -rw-r--r-- | ChangeLog | 29 |
1 files changed, 29 insertions, 0 deletions
@@ -1,5 +1,34 @@ 2014-10-30 Kaz Kylheku <kaz@kylheku.com> + Implementing finalization hooks. + + * gc.c (struct fin_reg): New struct type. + (final_list, final_tail, mark_makefresh): New static variables. + (mark_obj): Under generational GC, if make_makefresh is in + effect, set the generation to -1 on all marked objects. + (sweep_one): In an EXTRA_DEBUGGING build, call breakpt + if the object being swept is the one in break_obj. + Under generational GC, place reachable objects that are + in generation -1 the freshobj nursery and assign them to generation 0, + rather than sticking them into the mature generation 1. + (sweep): Under generational gc, reset the freshobj_idx variable + here, so that sweep_one has an empty nursery in which + to place the generation -1 objects. + (prepare_finals, call_finals): New static functions. + (gc): Call prepare_finals before sweep, and call call_finals + just before re-enabling GC and returning. Do not reset freshobj_idx to + zero; this was done in sweep, which may have added entries into it. + (gc_finalize): New function. + (gc_late_init): Register gc_finalize as intrinsic function finalize. + + * txr.1: Documented finalize. + + * HACKING: Documented finalization, described the additional + meaning of the -1 generation, and added a section on debugging with + break_obj and breakpt. + +2014-10-30 Kaz Kylheku <kaz@kylheku.com> + * gc.h (break_obj): Missing extern added on declaration. This broke C++ compilation with -DEXTRA_DEBUGGING turned on. |