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sync vm->waiting_fds correctly.

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vm->waiting_fds is global resource so we need to lock it correctly.
(forgot to sync one place)
This commit is contained in:
Koichi Sasada 2020-10-30 16:47:08 +09:00
parent a1828a1ff4
commit 08ddc335ea
1 changed files with 7 additions and 1 deletions
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8
thread.c
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@ -4504,7 +4504,13 @@ rb_thread_wait_for_single_fd(int fd, int events, struct timeval *timeout)
} while (wait_retryable(&result, lerrno, to, end));
}
EC_POP_TAG();
list_del(&wfd.wfd_node);
RB_VM_LOCK_ENTER();
{
list_del(&wfd.wfd_node);
}
RB_VM_LOCK_LEAVE();
if (state) {
EC_JUMP_TAG(wfd.th->ec, state);
}