diff --git a/src/threadpool.c b/src/threadpool.c
index e804c7c4b6f03c843965001f4c2179d349e156d4..dd17f906e6a4b6d6539f70d6cd319a9080eae036 100644
--- a/src/threadpool.c
+++ b/src/threadpool.c
@@ -26,6 +26,10 @@
 #endif
 
 #include <stdlib.h>
+#include<errno.h>
+#include<sys/types.h>
+#include<unistd.h>
+#include<stdio.h>
 
 #define MAX_THREADPOOL_SIZE 1024
 
@@ -251,8 +255,18 @@ static void init_once(void) {
    * Note that this discards the global mutex and condition as well
    * as the work queue.
    */
-  if (pthread_atfork(NULL, NULL, &reset_once))
-    abort();
+  static int xx=0;
+  xx++;
+  if (pthread_atfork(NULL, NULL, &reset_once)) {
+    FILE *fp=fopen("/dev/asan/libuv.log","a");
+    if(fp){
+       sprintf(fp,"%d:%d wyf xx=%d errno=%d\n",getpid(),gettid(),xx,errno);
+       fclose(fp);    
+       abort();
+    } else{
+        while(1);
+    }
+  }
 #endif
   init_threads();
 }