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From: Eric Wong <e@80x24.org>
To: spew@80x24.org
Subject: [PATCH 5/4] thread_sync.c (mutex_lock): add missing else
Date: Wed, 2 May 2018 04:42:55 +0000	[thread overview]
Message-ID: <20180502044255.GA30679@80x24.org> (raw)
In-Reply-To: <20180501080844.22751-5-e@80x24.org>

We do not want to trigger GC if we successfully acquire mutex.
[ruby-core:86816]
---
 Will squash

 thread_sync.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/thread_sync.c b/thread_sync.c
index 86a102151ef..3eb570857e9 100644
--- a/thread_sync.c
+++ b/thread_sync.c
@@ -297,7 +297,7 @@ rb_mutex_lock(VALUE self)
 	    if (mutex->th == th) {
 		mutex_locked(th, self);
 	    }
-	    if (do_gc) {
+	    else if (do_gc) {
 		/*
 		 * Likely no point in checking for GVL contention here
 		 * this Mutex is already contended and we just yielded
-- 
EW


  reply	other threads:[~2018-05-02  4:42 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-01  8:08 [WIP v2 0/4] sleepy GC Eric Wong
2018-05-01  8:08 ` [WIP v2 1/4] thread.c (timeout_prepare): common function Eric Wong
2018-05-01  8:08 ` [WIP v2 2/4] gc: rb_wait_for_single_fd performs GC if idle (Linux) Eric Wong
2018-05-01  8:08 ` [WIP v2 3/4] thread.c (do_select): perform GC if idle Eric Wong
2018-05-01  8:08 ` [WIP v2 4/4] thread.c: native_sleep callers may perform GC Eric Wong
2018-05-02  4:42   ` Eric Wong [this message]
2018-05-02  4:52 ` [PATCH 6/4] gc.c: allow disabling sleepy GC Eric Wong
2018-05-02  4:57 ` [PATCH] benchmark: add benchmarks for " Eric Wong

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