--
* thread.c (rb_threadptr_check_signal): only wake up main thread.
* thread.c (rb_threadptr_execute_interrupts_common): check signal
  deliverly if it is main thread.
  fixes [ruby-dev:44005] [Ruby 1.9 - Bug #4950]
* bootstraptest/test_fork.rb: add a test for above.
* signal.c (rb_get_next_signal): skip if signal_buff is empty.
  (check signal_buff.size first)
* vm_core.h: remove unused variable rb_thread_t::exec_signal.
* thread.c (rb_thread_check_trap_pending): check
  rb_signal_buff_size() because rb_thread_t::exec_signal
  is no longer available.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_2@32926 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

--
* vm_core.h (rb_thread_struct): add volatile to
  transition_for_lock because it is not protected by lock.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_2@31835 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

--
* vm_core.h: add missing prototypes.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_2@30030 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

--
* vm_core.c (rb_thread_struct): add a field for sigaltstack.

* thread_pthread.c (thread_start_func_1): initialize machine stack
  information.

* thread.c (thread_start_func_2): set sigaltstack for each sub thread.
  [ruby-core:24540] [ruby-core:30207]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_2@27840 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

--
* compile.c (iseq_compile_each), vm_insnhelper.c (vm_invoke_block,
  vm_throw): allow "return" and "yield" even in singleton class
  definition.  based on a patch from wanabe <s.wanabe AT gmail.com>
  for "return".  [ruby-core:21379] [ruby-dev:40975]

* insns.def (defineclass): ditto (straightforwardly push block ptr,
  instead of dfp ptr with special flag).

* vm_core.h (RUBY_VM_CLASS_SPECIAL_P): ditto (no longer needed).

* proc.c (proc_new): ditto (remove handling for special flag).

* bootstraptest/test_jump.rb: add tests for above.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_2@27827 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

--
* vm_eval.c (eval_string_with_cref): propagative filename and line_no
  of binding.  [ruby-dev:38767] [ruby-core:28307]

* vm_core.h (rb_binding_t), proc.c: add filename and line_no fields to
  preserve them.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_2@27810 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

  vm_dump.c.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_2@27773 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

  added.  Unlinked method entries are collected to
  vm->unlinked_method_entry_list.  On the GC timing, mark all method
  entries which are on all living threads.  Only non-marked method
  entries are collected.  This hack prevents releasing living method
  entry.
  [Performance Consideration] Since this Method Entry GC (MEGC)
  doesn't occuer frequently, MEGC will not be a performance bottleneck.
  However, to traverse living method entries, every control frame push
  needs to clear cfp->me field.  This will be a performance issue
  (because pushing control frame is occurred frequently).
  Bug #2777 [ruby-dev:40457]
* cont.c (fiber_init): init cfp->me.
* gc.c (garbage_collect): kick rb_sweep_method_entry().
* method.h (rb_method_entry_t): add a mark field.
* vm.c (invoke_block_from_c): set passed me.
* vm.c (rb_thread_mark): mark cfp->me.
* vm_core.h (rb_thread_t): add a field passed_me.
* vm_core.h (rb_vm_t): add a field unlinked_method_entry_list.
* vm_insnhelper.c (vm_push_frame): clear cfp->me at all times.
* vm_insnhelper.c (vm_call_bmethod): pass me.
* bootstraptest/test_method.rb: add a test.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27634 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

	* thread.c (do_select): Use UNINITIALIZED_VAR() instead FAKE_FD_ZERO().
	  Also, remove FAKE_FD_ZERO completely. [Feature #3018]




git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27238 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

  path field into rb_iseq_t.  The field contains a string representing
  a path to corresponding source file. or nil when the iseq is created
  from -e, stdin, eval, etc.  This field is used for require_relative.
  [ruby-dev:40004]

* load.c (rb_f_require_relative): add C implementation of
  require_relative.

* prelude.rb (require_relative): get rid of Ruby implementation of
  require_relative.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@26959 b2dd03c8-39d4-4d8f-98ff-823fe69b080e