add blocking region annotations around sigtimedwait

8 years ago · 2f128f9a0b
parent 93478976b7
commit 2f128f9a0b
1 changed files with 2 additions and 0 deletions
--- a/src/core/lib/iomgr/ev_epoll_linux.c
+++ b/src/core/lib/iomgr/ev_epoll_linux.c
@ -1489,7 +1489,9 @@ static bool acquire_polling_lease(grpc_pollset_worker *worker,
      ret = sigwaitinfo(&g_wakeup_sig_set, NULL);
    } else {
      struct timespec sigwait_timeout = millis_to_timespec(timeout_ms);
+      GRPC_SCHEDULING_START_BLOCKING_REGION;
      ret = sigtimedwait(&g_wakeup_sig_set, NULL, &sigwait_timeout);
+      GRPC_SCHEDULING_END_BLOCKING_REGION;
    }

    if (ret == -1) {