From 9241d98bc5803d18b1e17bd3ba1b84e97207fab4 Mon Sep 17 00:00:00 2001
From: tenglei <tenglei@kylinos.cn>
Date: Thu, 11 Apr 2024 17:55:13 +0800
Subject: [PATCH] bugfix fix fd path failed to open

---
 src/sys_event.c | 22 ++++++++++++++++------
 1 file changed, 16 insertions(+), 6 deletions(-)

diff --git a/src/sys_event.c b/src/sys_event.c
index 61701ec..dbdb9d0 100644
--- a/src/sys_event.c
+++ b/src/sys_event.c
@@ -544,15 +544,25 @@ static int chang_kernel_interface_value(void)
         return -1;
     }
 
-    ret = set_value_to_file(buf, PROC_FDTHRESHOLD);
-    if (ret == -1) {
-        log_printf(LOG_ERR, "chang_kernel_interface_value: set_value_to_file failed");
+    if (access(PROC_FDTHRESHOLD, F_OK) == 0) {
+        ret = set_value_to_file(buf, PROC_FDTHRESHOLD);
+        if (ret == -1) {
+            log_printf(LOG_ERR, "chang_kernel_interface_value: set_value_to_file failed");
+            return -1;
+        }
+    } else {
+        log_printf(LOG_ERR, "fdthreshold function is not supported in the current system environment");
         return -1;
     }
 
-    ret = set_value_to_file("1", RROC_FDENABLE);
-    if (ret == -1) {
-        log_printf(LOG_ERR, "chang_kernel_interface_value: set_value_to_file failed");
+    if (access(RROC_FDENABLE, F_OK) == 0) {
+        ret = set_value_to_file("1", RROC_FDENABLE);
+        if (ret == -1) {
+            log_printf(LOG_ERR, "chang_kernel_interface_value: set_value_to_file failed");
+            return -1;
+        }
+    }  else {
+        log_printf(LOG_ERR, "fdenable function is not supported in the current system environment");
         return -1;
     }
 
-- 
2.27.0