From 71a44cc27569fe77521ed0d2f0702e6ddd5f1f1a Mon Sep 17 00:00:00 2001
From: Dean Lee <deanlee3@gmail.com>
Date: Tue, 10 Aug 2021 20:42:46 +0800
Subject: [PATCH] clocksd: handle EINTR on read() (#21892)

* handle EINTR on read

* Update selfdrive/clocksd/clocksd.cc

Co-authored-by: Willem Melching <willem.melching@gmail.com>

Co-authored-by: Willem Melching <willem.melching@gmail.com>
---
 selfdrive/clocksd/clocksd.cc | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/selfdrive/clocksd/clocksd.cc b/selfdrive/clocksd/clocksd.cc
index 951a92467..c24ffa41d 100644
--- a/selfdrive/clocksd/clocksd.cc
+++ b/selfdrive/clocksd/clocksd.cc
@@ -50,7 +50,10 @@ int main() {
 
   uint64_t expirations = 0;
   while (!do_exit && (err = read(timerfd, &expirations, sizeof(expirations)))) {
-    if (err < 0) break;
+    if (err < 0) {
+      if (errno == EINTR) continue;
+      break;
+    }
 #else
   // Just run at 1Hz on apple
   while (!do_exit) {