From c59a7887caacf0a5463823bf40de2400b9363f76 Mon Sep 17 00:00:00 2001
From: 5ec1cff <ewtqyqyewtqyqy@gmail.com>
Date: Mon, 13 Nov 2023 21:54:50 +0800
Subject: [PATCH] refine tracing logic

---
 loader/src/ptracer/utils.cpp | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/loader/src/ptracer/utils.cpp b/loader/src/ptracer/utils.cpp
index cc0ab4d..7988b37 100644
--- a/loader/src/ptracer/utils.cpp
+++ b/loader/src/ptracer/utils.cpp
@@ -347,15 +347,18 @@ void wait_for_trace(int pid, int* status, int flags) {
     while (true) {
         auto result = waitpid(pid, status, flags);
         if (result == -1) {
-            if (errno == EINTR) continue;
-        } else {
-            PLOGE("wait %d failed", pid);
-            exit(1);
+            if (errno == EINTR) {
+                continue;
+            } else {
+                PLOGE("wait %d failed", pid);
+                exit(1);
+            }
         }
         if (!WIFSTOPPED(*status)) {
             LOGE("process %d not stopped for trace: %s, exit", pid, parse_status(*status).c_str());
             exit(1);
         }
+        return;
     }
 }