Zygote: Better logging for setgroups failures.

am: 593aab732d Change-Id: I97a4a932377f2231e86393d7047b76b1369b0df1
2016-08-10 08:43:33 +00:00
parent f7aa8bcb20 593aab732d
commit f72999b8aa
1 changed files with 3 additions and 1 deletions
--- a/core/jni/com_android_internal_os_Zygote.cpp
+++ b/core/jni/com_android_internal_os_Zygote.cpp
@@ -176,7 +176,9 @@ static void SetGids(JNIEnv* env, jintArray javaGids) {
  }
  int rc = setgroups(gids.size(), reinterpret_cast<const gid_t*>(&gids[0]));
  if (rc == -1) {
-    RuntimeAbort(env, __LINE__, "setgroups failed");
+    std::ostringstream oss;
+    oss << "setgroups failed: " << strerror(errno) << ", gids.size=" << gids.size();
+    RuntimeAbort(env, __LINE__, oss.str().c_str());
  }
 }