From f80df71d672b7b2ed7df0a6eb9b7c35978b9b89e Mon Sep 17 00:00:00 2001
From: eeff <33566201+eeff@users.noreply.github.com>
Date: Tue, 21 Nov 2023 14:40:54 +0800
Subject: [PATCH] fix: pid file work around fs.protected_regular

---
 src/daemon.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/daemon.c b/src/daemon.c
index d3569c64..381e2f9e 100644
--- a/src/daemon.c
+++ b/src/daemon.c
@@ -149,9 +149,14 @@ int neuron_already_running()
     fd = open(NEURON_DAEMON_LOCK_FNAME, O_RDWR | O_CREAT,
               S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH);
     if (fd < 0) {
-        nlog_error("cannot open %s reason: %s\n", NEURON_DAEMON_LOCK_FNAME,
-                   strerror(errno));
-        exit(1);
+        // work around fs.protected_regular
+        fd = open(NEURON_DAEMON_LOCK_FNAME, O_RDWR,
+                  S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH);
+        if (fd < 0) {
+            nlog_error("cannot open %s reason: %s\n", NEURON_DAEMON_LOCK_FNAME,
+                       strerror(errno));
+            exit(1);
+        }
     }
 
     // try to lock file