Merge pull request #1685 from eeff/v2.6

Pick to v2.6 fix: pid file work around fs.protected_regular
emqx · Nov 22, 2023 · e088de9 · e088de9
2 parents d98d344 + f80df71
commit e088de9
Showing 1 changed file with 8 additions and 3 deletions.
diff --git 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