Zygote: Better logging for setgroups failures. am: 593aab732d am: f72999b8aa

am: 7dc461f4c6

Change-Id: I800979f391ba810ff37ceebc845582e5d8ab7b47

1 files changed, 3 insertions, 1 deletions

diff --git a/core/jni/com_android_internal_os_Zygote.cpp b/core/jni/com_android_internal_os_Zygote.cpp
index 00e29169dbbc..cdfb7221c989 100644
--- a/core/jni/com_android_internal_os_Zygote.cpp
+++ b/core/jni/com_android_internal_os_Zygote.cpp
@@ -195,7 +195,9 @@ 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());
   }
 }