From 3588c91253e8b6a1faf067c9e4b6068bfd25c035 Mon Sep 17 00:00:00 2001
From: Theodore Dubois <tbodt@google.com>
Date: Wed, 27 Jul 2022 14:02:51 -0700
Subject: [PATCH] Log the errno if calling fork() fails

Test: treehugger
Change-Id: I9d54e3c2c006aaa54a5bc044e39ab5d5e2ff7484
---
 core/jni/com_android_internal_os_Zygote.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/core/jni/com_android_internal_os_Zygote.cpp b/core/jni/com_android_internal_os_Zygote.cpp
index 3622029f118a0..789e5b0214a10 100644
--- a/core/jni/com_android_internal_os_Zygote.cpp
+++ b/core/jni/com_android_internal_os_Zygote.cpp
@@ -2127,6 +2127,8 @@ pid_t zygote::ForkCommon(JNIEnv* env, bool is_system_server,
 
     // Reset the fd to the unsolicited zygote socket
     gSystemServerSocketFd = -1;
+  } else if (pid == -1) {
+    ALOGE("Failed to fork child process: %s (%d)", strerror(errno), errno);
   } else {
     ALOGD("Forked child process %d", pid);
   }