[EXPERIMENTAL: NEED DISCUSS]

* vm_trace.c: add events
* :thread_begin - hook at thread beggining.
* :thead_end - hook at thread ending.
* :b_call - hook at block enter.
* :b_return - hook at block leave.
  This change slow down block invocation.
  Please try and give us feedback until 2.0 code freeze.
* include/ruby/ruby.h: ditto.
* compile.c (rb_iseq_compile_node): ditto.
* insns.def: ditto.
* thread.c: ditto.
* vm.c: ditto.
* include/ruby/debug.h: add a comment.
* test/ruby/test_settracefunc.rb: add a tests.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38007 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 2 deletions

diff --git a/thread.c b/thread.c
index 6d4e060c5d..cd02f3de44 100644
--- a/thread.c
+++ b/thread.c
@@ -478,8 +478,9 @@ thread_start_func_2(rb_thread_t *th, VALUE *stack_start, VALUE *register_stack_s
 		    th->errinfo = Qnil;
 		    th->root_lep = rb_vm_ep_local_ep(proc->block.ep);
 		    th->root_svar = Qnil;
-		    th->value = rb_vm_invoke_proc(th, proc,
-						  (int)RARRAY_LEN(args), RARRAY_PTR(args), 0);
+		    EXEC_EVENT_HOOK(th, RUBY_EVENT_THREAD_BEGIN, proc->block.self, 0, 0, th->self);
+		    th->value = rb_vm_invoke_proc(th, proc, (int)RARRAY_LEN(args), RARRAY_PTR(args), 0);
+		    EXEC_EVENT_HOOK(th, RUBY_EVENT_THREAD_END, proc->block.self, 0, 0, th->self);
 		}
 		else {
 		    th->value = (*th->first_func)((void *)args);