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* New file gc-segment-table.c: hold code for the segment table.
* Remove data that might be out of date; remove
scm_i_adjust_min_yield(). We don't store min_yields, since they
are only accurate at one point in time (when the sweep finishes).
We decide the min yield at that point from min_yield_fraction and
freelist->collected / freelist->swept
* Introduce scm_i_gc_heap_size_delta() replacing
scm_i_gc_grow_heap_p().
* Remove foo_1 fields containing penultimate results.
* After GC, count mark bit vector to discover number of live
objects. This simplifies hairy updates.
* Many formatting and layout cleanups.
* Fix in scm_i_sweep_card(): return the length of free_list returned,
rather than number of deleted objects.
* For mtrigger GCs: do not also run a full sweep after the gc() call, as
this is inconsistent with lazy sweeping.
* Remove scm_i_make_initial_segment().
* Use calloc in scm_i_make_empty_heap_segment() to save on
initialization code.
* New function scm_i_sweep_for_freelist() which sweeps, with proper
statistic variable updates.
* New segments are conceptually blocks with 100% reclaimable cells.
* Remove some useless constants/comments: SCM_HEAP_SIZE,
SCM_INIT_HEAP_SIZE, SCM_EXPHEAP, SCM_HEAP_SEG_SIZE
* Do not increment scm_cells_allocated() from the
scm_[double]cell(). This would be a race condition.
* Move some deprecation checks in separate functions to not distract
from main code flow.
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to inline.h to make it inline.
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compatibility with gcc -std=c99.
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during sweeping is OK.
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wrong branch. Sorry.
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New.
(scm_t_array_handle): Added ref, set, elements and
writable_elements for fast inline operation of
scm_array_handle_ref and scm_array_handle_set.
(scm_array_handle_ref, scm_array_handle_set): Moved to inline.h
and replaced with inline code that simply calls the ref/set
members of the handle.
(enclosed_ref, vector_ref, string_ref, bitvector_ref, memoize_ref,
enclosed_set, vector_set, string_set, bitvector_set, memoize_set):
New.
(scm_array_handle_get): Initialize ref/set fields to memoize_ref
and memoize_set.
(scm_bitvector_fill_x, scm_bitvector_to_list, scm_bit_count,
scm_bit_position, scm_bit_set_star_x, scm_bit_count_star,
scm_bit_invert_x): Correctly multiply index with increment in the
general case.
* unif.c (scm_array_handle_set): Correctly execute only one
alternative. D'Oh!
(scm_list_to_typed_array, l2ra): Use scm_t_array_handle to fill
the array; this covers all cases with much simpler code.
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declarations.
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(scm_cell): idem.
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inline" else.
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to use SCM_C_INLINE and SCM_INLINE_C_INCLUDINT_INLINE_H to decide
what to do instead of creating a new public #define. Rename usage
of USE_COOP_THREADS to SCM_USE_COOP_THREADS. Rename usage of
USE_NULL_THREADS to SCM_USE_NULL_THREADS. Rename usage of
USE_COPT_THREADS to SCM_USE_COPT_THREADS.
* inline.c: rearrange handling -- now we just #define
SCM_INLINE_C_INCLUDING_INLINE_H to 1 and #include
"libguile/inline.h". scmconfig.h will define SCM_C_INLINE as
appropriate, and we use that in inline.h along with the above
define to determine how to respond.
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(SCM_NONREC_CRITICAL_SECTION_START,
SCM_NONREC_CRITICAL_SECTION_END, SCM_REC_CRITICAL_SECTION_START,
SCM_REC_CRITICAL_SECTION_END): New macros.
(SCM_CRITICAL_SECTION_START/END): Defined here.
* eval.c: Insert SOURCE_SECTION_START / SOURCE_SECTION_END around
the three calls to scm_m_expand_body.
* gc.h: #include "libguile/pthread-threads.h";
(SCM_FREELIST_CREATE, SCM_FREELIST_LOC): New macros.
* gc.c (scm_i_freelist, scm_i_freelist2): Defined to be of type
scm_t_key;
* gc.c, gc-freelist.c, inline.h: Use SCM_FREELIST_LOC for freelist
access.
* gc-freelist.c (scm_gc_init_freelist): Create freelist keys.
* gc-freelist.c, threads.c (really_launch): Use
SCM_FREELIST_CREATE.
* gc-malloc.c (scm_realloc, scm_gc_register_collectable_memory):
* gc.c (scm_i_expensive_validation_check, scm_gc,
scm_gc_for_newcell): Put threads to sleep before doing GC-related
heap administration so that those pieces of code are executed
single-threaded. We might consider rewriting these code sections
in terms of a "call_gc_code_singly_threaded" construct instead of
calling the pair of scm_i_thread_put_to_sleep () and
scm_i_thread_wake_up (). Also, we would want to have as many of
these sections eleminated.
* init.c (scm_init_guile_1): Call scm_threads_prehistory.
* inline.h: #include "libguile/threads.h"
* pthread-threads.h: Macros now conform more closely to the
pthreads interface. Some of them now take a second argument.
* threads.c, threads.h: Many changes.
* configure.in: Temporarily replaced "copt" threads option with new
option "pthreads".
(USE_PTHREAD_THREADS): Define if pthreads configured.
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SCM_DEBUG_DEPRECATED. Removed their use thru-out Guile.
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protect the slot initializers.
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protect the slot initializers.
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with any following code (for GCC 3 strict-aliasing).
* numbers.c (scm_make_real), num2float.i.c (FLOAT2NUM): removed
the earlier version of the reordering prevention.
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* smob.c (free_print): abort if scm_debug_cell_accesses_p is set
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* gc-card.c ("sweep_card"): set scm_gc_running while sweeping.
* gc.c (scm_i_expensive_validation_check): separate expensive
validation checks from cheap ones.
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* api.txt, data-rep.texi: Renamed the struct scm_cell to
scm_t_cell.
* data-rep.texi: Renamed scm_alloc_cell to scm_cell and
scm_alloc_double_cell to scm_double_cell.
Changes in libguile:
* gc.c (SCM_HEAP_SEG_SIZE, CELL_UP, CELL_DN, NEXT_DATA_CELL,
init_heap_seg, alloc_some_heap), gc.h (struct scm_cell, struct
scm_t_cell, SCM_CELLPTR, SCM_GC_CARD_SIZE,
SCM_GC_IN_CARD_HEADERP), tags.h (SCM_CELLP): Renamed the struct
scm_cell and all its uses to scm_t_cell in accordance to Guile's
naming scheme for types.
* alist.c (scm_acons), convert.i.c (CTYPES2UVECT,
CTYPES2UVECT_OPTIONAL), coop-threads.c (scm_call_with_new_thread,
scm_spawn_thread), debug.c (scm_make_debugobj), environments.c
(scm_make_environment), eval.c (scm_closure), fports.c
(scm_fdes_to_port), gc.c (scm_deprecated_newcell,
scm_deprecated_newcell2), inline.h (scm_alloc_cell, scm_cell),
list.c (SCM_I_CONS), numbers.c (scm_i_mkbig), pairs.c (scm_cons),
ports.c (scm_void_port), procs.c (scm_c_make_subr, scm_makcclo),
smob.c (scm_make_smob), smob.h (SCM_NEWSMOB), strings.c
(scm_take_str, scm_allocate_string), strports.c (scm_mkstrport),
unif.c (scm_make_uve), variable.c (make_variable), vectors.c
(scm_c_make_vector), vports.c (scm_make_soft_port): Renamed
scm_alloc_cell to scm_cell.
* environments.c (core_environments_observe), gc.c
(scm_deprecated_newcell2), goops.c (wrap_init, scm_wrap_object),
inline.h (scm_alloc_double_cell, scm_double_cell), num2float.i.c
(FLOAT2NUM), numbers.c (scm_make_real), procs.c
(scm_make_procedure_with_setter), smob.h (SCM_NEWSMOB2,
SCM_NEWSMOB3), struct.c (scm_make_struct, scm_make_vtable_vtable),
symbols.c (scm_mem2symbol, scm_mem2uninterned_symbol), weaks.c
(allocate_weak_vector): Renamed scm_alloc_double_cell to
scm_double_cell.
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SCM_GC_SET_CELL_WORD, SCM_GC_SET_CELL_OBJECT): New macros.
(SCM_GC_CELL_TYPE, SCM_CELL_WORD, SCM_CELL_OBJECT,
SCM_SET_CELL_WORD, SCM_SET_CELL_OBJECT, SCM_FREE_CELL_CDR,
SCM_GC_SET_CELL_OBJECT): Express in terms of SCM_GC_CELL_*
macros.
(SCM_FREE_CELL_P): Express in terms of SCM_GC_CELL_TYPE.
* inline.h (scm_alloc_cell, scm_alloc_double_cell): Use
SCM_GC_CELL_* macros when accessing free cells.
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