fix: neuron daemon lock file permission problem

src/daemon.c

@@ -30,6 +30,8 @@
 #include <stdlib.h>
 #include <string.h>
 
+#include "neuron/log.h"
+
 #include "daemon.h"
 
 void daemonize()
@@ -100,9 +102,12 @@ int neuron_already_running()
     int     ret     = -1;
     ssize_t size    = -1;
 
+    umask(0);
     fd = open(NEURON_DAEMON_LOCK_FNAME, O_RDWR | O_CREAT,
-              S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP);
+              S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH);
     if (fd < 0) {
+        log_error("cannot open %s reason: %s\n", NEURON_DAEMON_LOCK_FNAME,
+                  strerror(errno));
         exit(1);
     }
 
@@ -113,6 +118,8 @@ int neuron_already_running()
             close(fd);
             return 1;
         }
+        log_error("cannot lock %s reason: %s\n", NEURON_DAEMON_LOCK_FNAME,
+                  strerror(errno));
         exit(1);
     }