/* Internal definitions for pthreads library.

   Copyright (C) 2000-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library;  if not, see

   <http://www.gnu.org/licenses/>.  */

#ifndef _PT_SYSDEP_H

#define _PT_SYSDEP_H	1

#include <mach.h>

/* XXX */

#define _POSIX_THREAD_THREADS_MAX	64

/* The default stack size.  */

#define PTHREAD_STACK_DEFAULT	(8 * 1024 * 1024)

#define PTHREAD_SYSDEP_MEMBERS \

  thread_t kernel_thread;      \

  mach_msg_header_t wakeupmsg;

extern __thread struct __pthread *___pthread_self;

#define _pthread_self()                                            \

	({                                                         \

	  struct __pthread *thread;                                \

	                                                           \

	  assert (__pthread_threads);                              \

	  thread = ___pthread_self;                                \

	                                                           \

	  assert (thread);                                         \

	  assert (({ mach_port_t ktid = __mach_thread_self ();     \

                     int ok = thread->kernel_thread == ktid;       \

                     __mach_port_deallocate (__mach_task_self (), ktid);\

                     ok; }));                                      \

          thread;                                                  \

         })

extern inline void

__attribute__ ((__always_inline__))

__pthread_stack_dealloc (void *stackaddr, size_t stacksize)

{

  __vm_deallocate (__mach_task_self (), (vm_offset_t) stackaddr, stacksize);

}

/* Change thread THREAD's program counter to PC if SET_PC is true,

   its stack pointer to SP if SET_IP is true, and its thread pointer

   to TP if SET_TP is true.  */

extern int __thread_set_pcsptp (thread_t thread,

				int set_pc, void *pc,

				int set_sp, void *sp, int set_tp, void *tp);

#endif /* pt-sysdep.h */