-#include <bits/pthread.h>
-
-int __setjmp(void *);
-void __pthread_register_cancel(struct __ptcb *);
-void __pthread_unregister_cancel(struct __ptcb *);
-void __pthread_unwind_next(struct __ptcb *);
-
-#define pthread_cleanup_push(f, x) \
-do { struct __ptcb __cb; void (*__f)(void *) = (f); void *__x = (x); \
-if (__setjmp(__cb.__jb)) __f(__x), __pthread_unwind_next(&__cb); \
-__pthread_register_cancel(&__cb); {
-
-#define pthread_cleanup_pop(r) ; } \
-__pthread_unregister_cancel(&__cb); \
-if (r) __f(__x); } while (0)
+int pthread_getconcurrency(void);
+int pthread_setconcurrency(int);
+
+int pthread_getcpuclockid(pthread_t, clockid_t *);
+
+struct __ptcb {
+ void (*__f)(void *);
+ void *__x;
+ struct __ptcb *__next;
+};
+
+void _pthread_cleanup_push(struct __ptcb *, void (*)(void *), void *);
+void _pthread_cleanup_pop(struct __ptcb *, int);
+
+#define pthread_cleanup_push(f, x) do { struct __ptcb __cb; _pthread_cleanup_push(&__cb, f, x);
+#define pthread_cleanup_pop(r) _pthread_cleanup_pop(&__cb, (r)); } while(0)
+
+#ifdef _GNU_SOURCE
+struct cpu_set_t;
+int pthread_getaffinity_np(pthread_t, size_t, struct cpu_set_t *);
+int pthread_setaffinity_np(pthread_t, size_t, const struct cpu_set_t *);
+int pthread_getattr_np(pthread_t, pthread_attr_t *);
+int pthread_setname_np(pthread_t, const char *);
+int pthread_getname_np(pthread_t, char *, size_t);
+int pthread_getattr_default_np(pthread_attr_t *);
+int pthread_setattr_default_np(const pthread_attr_t *);
+int pthread_tryjoin_np(pthread_t, void **);
+int pthread_timedjoin_np(pthread_t, void **, const struct timespec *);
+#endif