From 5e58391b5360fabc991488103168bdff0dac48dc Mon Sep 17 00:00:00 2001
From: yangjiaxuan <171295266@qq.com>
Date: Wed, 4 Sep 2024 14:30:27 +0800
Subject: [PATCH] =?UTF-8?q?=E5=9B=BD=E4=BA=A7=E7=B3=BB=E7=BB=9F=E8=B0=83?=
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---
 app/scantool/main.cpp | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/app/scantool/main.cpp b/app/scantool/main.cpp
index f5020744..48ac2200 100644
--- a/app/scantool/main.cpp
+++ b/app/scantool/main.cpp
@@ -53,19 +53,29 @@ int main(int argc, char *argv[])
     }
 #else
     const char* lockFilePath = "/tmp/HGScanTool.lock";
-    int fd = open(lockFilePath, O_RDONLY | O_CREAT, 666);
-    chmod(lockFilePath, 666);
+    int fd = open(lockFilePath, O_WRONLY | O_CREAT, S_IWUSR | S_IWGRP | S_IWOTH);
+    if (fd == -1)
+        printf("open failed.");
+    if (-1 == chmod(lockFilePath, S_IWUSR | S_IWGRP | S_IWOTH))
+    {
+        printf("chmod file: %s failed.\n", lockFilePath);
+    }
 
     struct flock lock;
-    lock.l_type = F_RDLCK;
+    lock.l_type = F_WRLCK;
     lock.l_whence = SEEK_SET;
     lock.l_start = 0;
     lock.l_len = 0;
     if (fcntl(fd, F_SETLK, &lock) == -1)
     {
+        printf("lock file %s failed.\n", lockFilePath);
         close(fd);
         return 0;
     }
+    else
+    {
+        printf("open file %s successfully.\n", lockFilePath);
+    }
 #endif
 
     QTranslator translator_qt;