fixes: Bug #2729
a patch from Kazuki Tsujimoto <kazuki@callcc.net>
This problem is caused by changing dfp (dynamic env pointer)
from saved dfp. Saved dfp is pointed env in VM stack. However,
the dfp can be moved because VM copies env from VM stack to
the heap. At this copying, dfp was also changed. To solve this
problem, I'll try to change throw mechanism (not save target dfp,
but save target cfp).
* bootstraptest/test_flow.rb: add a test for above.
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Manage a redefinition of special methods for each classes.
A patch from Joel Gouly <joel.gouly@gmail.com>. Thanks!
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to solve an issue reported at [ruby-dev:44413] [Ruby 1.9 - Bug #5217].
Before this fix, each instruction has an information including
line number (iseq::iseq_insn_info_table). Instead of this data
structure, recording only line number changing places
(iseq::iseq_line_info_table).
The order of entries in iseq_line_info_table is ascending order of
iseq_line_info_table_entry::position. You can get a line number
by an iseq and a program counter with this data structure.
This fix reduces memory consumption of iseq (bytecode).
On my measurement, a rails application consumes 21.8MB for
iseq with this fix on the 32bit CPU. Without this fix, it
consumes 24.7MB for iseq [ruby-dev:44415].
* proc.c: ditto.
* vm_insnhelper.c: ditto.
* vm_method.c: ditto.
* vm.c (rb_vm_get_sourceline): change to use rb_iseq_line_no().
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[ruby-dev:44315] [Bug #5139]
* vm.c (thread_free): use free because objspace is not ready.
* vm.c (th_init): use malloc because objspace is not ready.
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NoMemoryError is better than rb_bug, of course.
Patch by Eric Wong. [ruby-core:38572][ruby-core:38594].
* signal.c (rb_register_sigaltstack): ditto.
* vm_core.h: moved ALT_STACK_SIZE definition from signal.c.
* vm.c (thread_free): use xfree() instead of free().
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* compile.c, eval.c, iseq.c, object.c, parse.y, proc.c, process.c,
thread.c, vm.c, vm_eval.c, vm_insnhelper.c, vm_method.c: don't
declare internal functions.
Note that rb_method_entry_eq() is defined in vm_method.c but
there was a declaration in proc.c with different const-ness.
Now it is declared in method.h with same const-ness to the
definition.
* object.c (rb_mod_module_exec): don't declare functions declared in
include/ruby/intern.h.
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ruby_vm_global_state_version and related macros
from vm_core.h to vm_insnhelper.h.
* vm.c (vm_clear_all_cache): added. This function is called
when ruby_vm_global_state_version overflows.
TODO: vm_clear_all_inline_method_cache() is only place holder.
We need to implement it ASAP.
* vm_method.c (vm_clear_global_method_cache): added.
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type check to get rid of a double free when main Thread has singleton
class. [ruby-core:36741] [Bug #4828]
* thread.c (rb_obj_is_mutex): add a new utility function.
* vm.c (rb_obj_is_thread): ditto.
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RSTRING_PTR() for function calls since it evaluates the argument
a couple of times.
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CoreDataFromValue() because we need type check. Otherwise,
type mismatch can cause segmentation fault crash.
[ruby-core:35086] [Ruby 1.9-Bug#4367]
* vm.c (thread_data_type): remove static.
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thread to free.
* gc.c (slot_sweep): don't call RUBY_VM_SET_FINALIZER_INTERRUPT if
there is no current thread.
[ruby-dev:43000]
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vm_insnhelper.c (caller_setup_args): reverted r30241 and r30243
except for the test.
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possible for an object to survive until its surrounding object
space is about to be freed. Those objects, if any, remains not
leaked for the rest of a process life. This is problematic
because for instance a T_DATA object may have its own destructor
to terminate something.
* vm.c (ruby_vm_destruct): ruby_current_vm termination should be
somewhere after rb_objspace_free for above reason.
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hook a VM termination. Right now, because the VM we have is
process global, most extensions do not deallocate resources and
leave them to Operating System's reaping userland processes. But
in a future we plan to have multiple VMs to run simultaneously in
a single process (MVM project). At that stage we can no longer
rely on OSes and have to manage every resources to be reclaimed
properly. So it is. For a forward-compatibility reason this API
is introduced now, encouraging you to be as gentle as you can for
your resources; that is, tidy up your room.
* include/ruby/vm.h: ditto.
* vm_core.h (rb_vm_struct): new field.
* vm.c (vm_init2): initialize above new field.
* eval.c (ruby_cleanup): trigger those hooks.
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APIs to modularize GVL implementation.
* thread_pthread.c, thread_pthread.h: Two GVL implementations.
(1) Simple locking GVL which is same as existing GVL.
(2) Wake-up queued threads. The wake-up order is simple FIFO.
(We can make several queues to support exact priorities, however
this causes some issues such as priority inversion and so on.)
This impl. prevents spin-loop (*1) caused on SMP environemnts.
*1: Only one Ruby thread acqures GVL again and again.
Bug #2359 [ruby-core:26694]
* thread_win32.c, thread_win32.h: Using simple lock
not by CRITICAL_SECTION but by Mutex.
Bug #3890 [ruby-dev:42315]
* vm.c (ruby_vm_destruct): ditto.
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transcode.c, variable.c, vm.c, vm_insnhelper.c, vm_method.c:
replace calls to rb_error_frozen() with rb_check_frozen(). a
patch from Run Paint Run Run at [ruby-core:32014]
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public visibility regardless the visibility context of definition.
[ruby-core:30638]
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vm_insnhelper.c (vm_yield_with_cfunc): pass given block.
[ruby-core:32075]
* vm_eval.c (rb_funcall_passing_block): new function to call
method with passing given block.
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