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* vm_trace.c (exec_hooks): add volatile to avoid segv.

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On test-all with -j, it may crash in TH_POP_TAG.
  Detailed mechanism is not known but this fixes it.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38371 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
naruse 2012-12-14 01:38:14 +00:00
parent 1e7ef5882e
commit 497f8904cb
2 changed files with 10 additions and 1 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
Fri Dec 14 10:36:10 2012 NARUSE, Yui <naruse@ruby-lang.org>
* vm_trace.c (exec_hooks): add volatile to avoid segv.
On test-all with -j, it may crash in TH_POP_TAG.
Detailed mechanism is not known but this fixes it.
Fri Dec 14 04:08:05 2012 NARUSE, Yui <naruse@ruby-lang.org>
* test/ruby/envutil.rb (EnvUtil::Unit::Assertionsassert_separately):

5
vm_trace.c
View file

@ -244,7 +244,7 @@ clean_hooks(rb_hook_list_t *list)
static int
exec_hooks(rb_thread_t *th, rb_hook_list_t *list, const rb_trace_arg_t *trace_arg, int can_clean_hooks)
{
int state;
volatile int state;
volatile int raised;
if (UNLIKELY(list->need_clean > 0) && can_clean_hooks) {
@ -275,6 +275,9 @@ exec_hooks(rb_thread_t *th, rb_hook_list_t *list, const rb_trace_arg_t *trace_ar
if (raised) {
rb_threadptr_set_raised(th);
}
{
rb_thread_t volatile *tmp = th;
}
return state;
}