See this ticket about Symbol GC.
* include/ruby/ruby.h:
Declare few functions.
* rb_sym2id: almost same as old SYM2ID but support dynamic symbols.
* rb_id2sym: almost same as old ID2SYM but support dynamic symbols.
* rb_sym2str: almost same as `rb_id2str(SYM2ID(sym))` but not
pin down a dynamic symbol.
Declare a new struct.
* struct RSymbol: represents a dynamic symbol as object in
Ruby's heaps.
Add few macros.
* STATIC_SYM_P: check a static symbol.
* DYNAMIC_SYM_P: check a dynamic symbol.
* RSYMBOL: cast to RSymbol
* gc.c: declare RSymbol. support T_SYMBOL.
* internal.h: Declare few functions.
* rb_gc_free_dsymbol: free up a dynamic symbol. GC call this
function at a sweep phase.
* rb_str_dynamic_intern: convert a string to a dynamic symbol.
* rb_check_id_without_pindown: not pinning function.
* rb_sym2id_without_pindown: ditto.
* rb_check_id_cstr_without_pindown: ditto.
* string.c (Init_String): String#intern and String#to_sym use
rb_str_dynamic_intern.
* template/id.h.tmpl: use LSB of ID as a flag for determining a
static symbol, so we shift left other ruby_id_types.
* string.c: use rb_sym2str instead `rb_id2str(SYM2ID(sym))` to
avoid pinning.
* load.c: use xx_without_pindown function at creating temporary ID
to avoid pinning.
* object.c: ditto.
* sprintf.c: ditto.
* struct.c: ditto.
* thread.c: ditto.
* variable.c: ditto.
* vm_method.c: ditto.
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The patch base by drkaes (Stefan Kaes).
[Bug #9321]
* variable.c (rb_mod_const_missing): use rb_vm_pop_cfunc_frame()
instead of rb_frame_pop().
* vm_eval.c (raise_method_missing): ditto.
* vm_eval.c (rb_iterate): ditto.
* internal.h (rb_vm_pop_cfunc_frame): add decl.
* test/ruby/test_settracefunc.rb: add tests.
provided by drkaes (Stefan Kaes).
* vm.c, eval.c, include/ruby/intern.h (rb_frame_pop):
move definition of rb_frame_pop() and deprecate it.
It doesn't care about `return' events.
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* variable.c (rb_class_path_cached): returns cached class path
only, without searching and allocating new class path string.
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inherit=false, there is no need to use a hashtable to deduplicate
constant names. [Feature #9196] [ruby-core:58786]
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This is another approach to solve an issue discussed at r43530.
This feature is diabled as default.
This feature measures an increment of memory consuption by oldgen
objects. It measures memory consumption for each objects when
the object is promoted. However, measurement of memory consumption
is not accurate now. So that this measurement is `estimation'.
To implement this feature, move memsize_of() function from
ext/objspace/objspace.c and expose rb_obj_memsize_of().
Some memsize() functions for T_DATA (T_TYPEDDATA) have problem to
measure memory size, so that we ignores T_DATA objects now.
For example, some functions skip NULL check for pointer.
The macro RGENGC_ESTIMATE_OLDSPACE enables/disables this feature,
and turned off as default.
We need to compare 3gen GC and this feature carefully.
(it is possible to enable both feature)
We need a help to compare them.
* internal.h: expose rb_obj_memsize_of().
* ext/objspace/objspace.c: use rb_obj_memsize_of() function.
* cont.c (fiber_memsize): fix to check NULL.
* variable.c (autoload_memsize): ditto.
* vm.c (vm_memsize): ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43532 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
ruby_vm_global_state_version into two separate counters - one for the
global method state and one for the global constant state. This means
changes to constants do not affect method caches, and changes to
methods do not affect constant caches. In particular, this means
inclusions of modules containing constants no longer globally
invalidate the method cache.
* class.c, eval.c, include/ruby/intern.h, insns.def, vm.c, vm_method.c:
rename rb_clear_cache_by_class to rb_clear_method_cache_by_class
* class.c, include/ruby/intern.h, variable.c, vm_method.c: add
rb_clear_constant_cache
* compile.c, vm_core.h, vm_insnhelper.c: rename vmstat field in
rb_call_info_struct to method_state
* vm_method.c: rename vmstat field in struct cache_entry to method_state
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* variable.c (rb_class2name): should return real class name, not
singleton class or iclass.
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* vm.c, vm_core.h (rb_vm_add_root_module): added to register as a
defined root module or class.
This guard helps mark miss from defined classes/modules they are
only refered from C's global variables in C-exts.
Basically, it is extension's bug.
Register to hash object VM has.
Marking a hash objects allows generational GC supports.
* gc.c (RGENGC_PRINT_TICK): disable (revert).
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non class id should not be nil. This bug was introduced
in r36577.
* test/thread/test_cv.rb: test for change.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42867 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
parameter `slot'. You don't need to write a cast (VALUE *) any more.
* class.c, compile.c, hash.c, iseq.c, proc.c, re.c, variable.c,
vm.c, vm_method.c: remove cast expressions for OBJ_WRITE().
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41548 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
WBs had located before creating reference between a klass
and constant value. It causes GC bug.
# pseudo code:
WB(klass, value); # WB and remember klass
st_insert(klass->const_table, const_id, value);
`st_insert()' can cause GC before inserting `value' and
forget `klass' from the remember set. After that, relationship
between `klass' and `value' are created with constant table.
Now, `value' can be young (shady) object and `klass' can be old
object, without remembering `klass' object.
At the next GC, old `klass' object will be skipped and
young (shady) `value' will be miss-collected. -> GC bug
Lesson: The place of a WB is important.
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* eval.c (rb_frame_callee): returns the called name of the current
frame, not the previous frame.
* eval.c (prev_frame_callee, prev_frame_func): rename and make static,
as these are used by rb_f_method_name() and rb_f_callee_name() only.
* variable.c (set_const_visibility): use the called name.
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of rb_frame_callee() for getting the name of the called method
* test/ruby/test_module.rb: add test
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See this ticet about RGENGC.
* gc.c: Add several flags:
* RGENGC_DEBUG: if >0, then prints debug information.
* RGENGC_CHECK_MODE: if >0, add assertions.
* RGENGC_PROFILE: if >0, add profiling features.
check GC.stat and GC::Profiler.
* include/ruby/ruby.h: disable RGENGC by default (USE_RGENGC == 0).
* array.c: add write barriers for T_ARRAY and generate sunny objects.
* include/ruby/ruby.h (RARRAY_PTR_USE): added. Use this macro if
you want to access raw pointers. If you modify the contents which
pointer pointed, then you need to care write barrier.
* bignum.c, marshal.c, random.c: generate T_BIGNUM sunny objects.
* complex.c, include/ruby/ruby.h: add write barriers for T_COMPLEX
and generate sunny objects.
* rational.c (nurat_s_new_internal), include/ruby/ruby.h: add write
barriers for T_RATIONAL and generate sunny objects.
* internal.h: add write barriers for RBasic::klass.
* numeric.c (rb_float_new_in_heap): generate sunny T_FLOAT objects.
* object.c (rb_class_allocate_instance), range.c:
generate sunny T_OBJECT objects.
* string.c: add write barriers for T_STRING and generate sunny objects.
* variable.c: add write barriers for ivars.
* vm_insnhelper.c (vm_setivar): ditto.
* include/ruby/ruby.h, debug.c: use two flags
FL_WB_PROTECTED and FL_OLDGEN.
* node.h (NODE_FL_CREF_PUSHED_BY_EVAL, NODE_FL_CREF_OMOD_SHARED):
move flag bits.
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* marshal.c (w_object, marshal_dump, r_object0, marshal_load): use
RB_GC_GUARD() (directly or indirectly) instead of volatile.
* variable.c (rb_path_to_class): prevent the arguemnt from GC.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38174 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
path without caching the computed path. Some classes are frozen, and
will raise an exception without this.
* probes.d (cmethod-entry, cmethod-return): separate cmethods from
regular methods to match set trace func.
* probes_helper.h: refactor macros. Fix probes to avoid calling
#inspect when profiling.
* insns.def: update for use with new macros.
* vm_eval.c: ditto
* vm_insnhelper.c: ditto
* test/dtrace/test_singleton_function.rb: fix test for new output.
* test/dtrace/test_cmethod.rb: test the cmethod probes.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38099 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* variable.c (classname): tell if found name is permanent. search
tmp_classpath only if class id is set. [ruby-core:42865][Bug #6078]
* variable.c (rb_class_path): duplicate found temporary path.
* variable.c (rb_set_class_path_string, rb_set_class_path): set class
id to find classpath.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36584 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* variable.c (find_class_path): no retry when preferred is given.
* variable.c (classname): if classid is set try it to find full
qualified class path, and then try arbitrary class path. try
tmp_classpath at last even if enclosing namespace is anonymous.
fix r36574. [ruby-core:42865][Bug #6078]
* variable.c (rb_set_class_path_string, rb_set_class_path): set
tmp_classpath instead of classpath if the name is not permanent.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36577 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* variable.c: store anonymous class path in tmp_classpath but not in
classpath. [ruby-core:42865][Bug #6078]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36574 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
except when the optional argument is set to false.
[ruby-dev:44034] [Bug #4971]
* variable.c (rb_mod_constants): fix typo in documentation.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36466 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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