diff options
Diffstat (limited to 'thread_pthread.c')
| -rw-r--r-- | thread_pthread.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/thread_pthread.c b/thread_pthread.c index 5b5329fd21..44a3ce4270 100644 --- a/thread_pthread.c +++ b/thread_pthread.c @@ -866,6 +866,13 @@ thread_sched_wait_running_turn(struct rb_thread_sched *sched, rb_thread_t *th, b thread_sched_set_running(sched, th); rb_ractor_thread_switch(th->ractor, th, false); } + else if (th == sched->runnable_hot_th) { + // The hot thread cannot steal the control (e.g. the running thread + // is an MN thread). It is going to sleep, so it is no longer spinning; + // drop the hint so that other threads don't yield the lock to it. + sched->runnable_hot_th = NULL; + sched->runnable_hot_th_waiting = 0; + } // already deleted from running threads // VM_ASSERT(!ractor_sched_running_threads_contain_p(th->vm, th)); // need locking |