Zygote: Better logging for setgroups failures.

bug: 28865594 Change-Id: I88590afe6a05e2d1967c9bca74c79de3871440b8
2016-08-09 17:23:31 +01:00
parent 867f6d5dd5
commit 593aab732d
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());
  }
 }