commit 684b442b9faaf0c9f4466ceb7ca915f010f3edf2
author Christopher N. Hesse <raymanfx@gmail.com> Sat Sep 17 18:29:03 2016 +0200
committer Christopher N. Hesse <raymanfx@gmail.com> Sun Oct 22 22:58:41 2017 +0200
tree 1aedc8e860e8a751eded7bd48c4201f737103e43
parent 4e2a8e375e8fa24c1dab531cff5143a5674c8bf3

libcutils: Fix thread ID on macOS

macOS 10.12 / Xcode 8 actively prohibit the syscall(2)
usage.

Change-Id: I91ff16600a76e97d0b9b5db7e8905b969fb3482f

base/logging.cpp

diff --git a/base/logging.cpp b/base/logging.cpp
index 6357b4b..75078e5 100644
--- a/base/logging.cpp
+++ b/base/logging.cpp
@@ -80,7 +80,9 @@
 #if defined(__BIONIC__)
   return gettid();
 #elif defined(__APPLE__)
-  return syscall(SYS_thread_selfid);
+  uint64_t tid;
+  pthread_threadid_np(NULL, &tid);
+  return tid;
 #elif defined(__linux__)
   return syscall(__NR_gettid);
 #elif defined(_WIN32)