#ifndef _PT_MACHINE_H
#define _PT_MACHINE_H 1
+#include <features.h>
+
#ifndef PT_EI
-# define PT_EI extern inline
+# define PT_EI __extern_always_inline
#endif
-extern long int testandset (int *spinlock);
-extern int __compare_and_swap (long int *p, long int oldval, long int newval);
-
/* For multiprocessor systems, we want to ensure all memory accesses
are completed before we reset a lock. On other systems, we still
need to make sure that the compiler has flushed everything to memory. */