Expect spurious wake-up from futex(2)/FUTEX_WAIT call.
Test: Run standard ART test suite.
Bug: 27913630
Change-Id: I742544f7a0a7f896e47293d209a874782577e971
diff --git a/runtime/thread_list.cc b/runtime/thread_list.cc
index 97bcb7d..16ef0ff 100644
--- a/runtime/thread_list.cc
+++ b/runtime/thread_list.cc
@@ -613,11 +613,7 @@
PLOG(FATAL) << "futex wait failed for SuspendAllInternal()";
}
}
- } else {
- cur_val = pending_threads.LoadRelaxed();
- CHECK_EQ(cur_val, 0);
- break;
- }
+ } // else re-check pending_threads in the next iteration (this may be a spurious wake-up).
#else
// Spin wait. This is likely to be slow, but on most architecture ART_USE_FUTEXES is set.
#endif