Backed out changeset 14eb89c4134d (bug 1261392) for Android bustage.

--HG--
extra : rebase_source : 02b744b942c4d14b43435f8762a4f56a8d5b550f

tools/profiler/core/platform.h

@@ -59,9 +59,9 @@
 #include <vector>
 #include "StackTop.h"
 
-// We need a definition of gettid(), but Linux libc implementations don't
-// provide a wrapper for it.
-#if defined(__linux__)
+// We need a definition of gettid(), but glibc doesn't provide a
+// wrapper for it.
+#if defined(__GLIBC__)
 #include <unistd.h>
 #include <sys/syscall.h>
 static inline pid_t gettid()