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author | kosaki <kosaki@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2012-11-19 11:13:40 +0000 |
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committer | kosaki <kosaki@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2012-11-19 11:13:40 +0000 |
commit | 4b25e0ceca487725f4579d21271546e2bd0d3563 (patch) | |
tree | efe66ab1db91d0ad2e19466566ee73de5bc3b92d | |
parent | 212150c2e148278b1a300bd823f0a3d4753cd37d (diff) | |
download | ruby-4b25e0ceca487725f4579d21271546e2bd0d3563.tar.gz |
* thread.c (rb_threadptr_async_errinfo_active_p): added a small
comment.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37731 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
-rw-r--r-- | ChangeLog | 5 | ||||
-rw-r--r-- | thread.c | 14 |
2 files changed, 16 insertions, 3 deletions
@@ -1,3 +1,8 @@ +Tue Nov 20 10:12:46 2012 KOSAKI Motohiro <kosaki.motohiro@gmail.com> + + * thread.c (rb_threadptr_async_errinfo_active_p): added a small + comment. + Tue Nov 20 10:08:45 2012 KOSAKI Motohiro <kosaki.motohiro@gmail.com> * thread.c, vm_core.h: big rename th to cur_th when works only @@ -1476,12 +1476,20 @@ rb_threadptr_async_errinfo_deque(rb_thread_t *th, enum interrupt_timing timing) int rb_threadptr_async_errinfo_active_p(rb_thread_t *th) { - if (th->async_errinfo_queue_checked || rb_threadptr_async_errinfo_empty_p(th)) { + /* + * For optimization, we don't check async errinfo queue + * if it nor a thread interrupt mask were not changed + * since last check. + */ + if (th->async_errinfo_queue_checked) { return 0; } - else { - return 1; + + if (rb_threadptr_async_errinfo_empty_p(th)) { + return 0; } + + return 1; } static VALUE |