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* ext/thread/thread.c (wait_list_cleanup, rb_mutex_try_lock):

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Eliminate rb_thread_critical switching where unnecessary;
  implied by shugo in [ruby-dev:30412].


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@11896 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
knu 2007-02-26 19:03:21 +00:00
parent 5386d05fb2
commit e9ebc1c8db
2 changed files with 8 additions and 12 deletions
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4
ChangeLog
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@ -1,5 +1,9 @@
Tue Feb 27 03:40:09 2007 Akinori MUSHA <knu@iDaemons.org> Tue Feb 27 03:40:09 2007 Akinori MUSHA <knu@iDaemons.org>
* ext/thread/thread.c (wait_list_cleanup, rb_mutex_try_lock):
Eliminate rb_thread_critical switching where unnecessary;
implied by shugo in [ruby-dev:30412].
* ext/thread/thread.c (set_critical): Merge in * ext/thread/thread.c (set_critical): Merge in
thread_exclusive_ensure(). thread_exclusive_ensure().

16
ext/thread/thread.c
View file

@ -247,9 +247,7 @@ static VALUE
wait_list_cleanup(List *list) wait_list_cleanup(List *list)
{ {
/* cleanup in case of spurious wakeups */ /* cleanup in case of spurious wakeups */
rb_thread_critical = 1;
remove_one(list, rb_thread_current()); remove_one(list, rb_thread_current());
rb_thread_critical = 0;
return Qnil; return Qnil;
} }
@ -374,20 +372,14 @@ static VALUE
rb_mutex_try_lock(VALUE self) rb_mutex_try_lock(VALUE self)
{ {
Mutex *mutex; Mutex *mutex;
VALUE result;
Data_Get_Struct(self, Mutex, mutex); Data_Get_Struct(self, Mutex, mutex);
result = Qfalse; if (RTEST(mutex->owner))
return Qfalse;
rb_thread_critical = 1; mutex->owner = rb_thread_current();
if (!RTEST(mutex->owner)) { return Qtrue;
mutex->owner = rb_thread_current();
result = Qtrue;
}
rb_thread_critical = 0;
return result;
} }
/* /*