Try to work around Mac OS 10.5 lossage.
Untested, since 10.5 is obsolete and the only 10.5 machines I have available
are the build servers...
Change-Id: Icbd7a052069e0664f0c2dfef3dd755b4435dda0c
diff --git a/src/utils.cc b/src/utils.cc
index 01fdac2..9a12b93 100644
--- a/src/utils.cc
+++ b/src/utils.cc
@@ -50,10 +50,14 @@
namespace art {
pid_t GetTid() {
-#if defined(__APPLE__)
- // gettid(2) returns -1 on Darwin, but thread_selfid(2) works, and seems to be what their
+#if defined(__APPLE__) && MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
+ // Darwin has a gettid(2), but it does something completely unrelated to tids.
+ // There is a thread_selfid(2) that does what we want though, and it seems to be what their
// pthreads implementation uses.
return syscall(SYS_thread_selfid);
+#elif defined(__APPLE__)
+ // On Mac OS 10.5 (which the build servers are still running) there was nothing usable.
+ return getpid();
#else
// Neither bionic nor glibc exposes gettid(2).
return syscall(__NR_gettid);