Avoid spin polling

8 years ago · 8e2fd9ca4d
parent 041bf64ddd
commit 8e2fd9ca4d
1 changed files with 3 additions and 2 deletions
--- a/src/core/lib/iomgr/ev_epoll_linux.c
+++ b/src/core/lib/iomgr/ev_epoll_linux.c
@ -1487,8 +1487,9 @@ static int poll_deadline_to_millis_timeout(gpr_timespec deadline,
    return 0;
  }
  timeout = gpr_time_sub(deadline, now);
-  return gpr_time_to_millis(gpr_time_add(
+  return GPR_MAX(
-      timeout, gpr_time_from_nanos(GPR_NS_PER_MS - 1, GPR_TIMESPAN)));
+      1, gpr_time_to_millis(gpr_time_add(
             timeout, gpr_time_from_nanos(GPR_NS_PER_MS - 1, GPR_TIMESPAN))));
 }
 static void fd_become_readable(grpc_exec_ctx *exec_ctx, grpc_fd *fd,