{
   This file is part of the Free Pascal run time library.
   Copyright (c) 1999-2000 by Michael Van Canneyt,
   members of the Free Pascal development team.

   See the file COPYING.FPC, included in this distribution,
   for details about the copyright.

   This program 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.

**********************************************************************}

  (*
  #define PTHREAD_MUTEX_INITIALIZER {0, 0, 0, PTHREAD_MUTEX_TIMED_NP, __LOCK_INITIALIZER}
  #define PTHREAD_COND_INITIALIZER {__LOCK_INITIALIZER, 0}
   *)

  { Values for attributes.   }

Const
  LibThreads = 'pthread';

  PTHREAD_MUTEX_TIMED_NP      = _PTHREAD_MUTEX_TIMED_NP;
  PTHREAD_MUTEX_RECURSIVE_NP  = _PTHREAD_MUTEX_RECURSIVE_NP;
  PTHREAD_MUTEX_ERRORCHECK_NP = _PTHREAD_MUTEX_ERRORCHECK_NP;
  PTHREAD_MUTEX_ADAPTIVE_NP   = _PTHREAD_MUTEX_ADAPTIVE_NP;

  PTHREAD_MUTEX_NORMAL     = PTHREAD_MUTEX_TIMED_NP;
  PTHREAD_MUTEX_RECURSIVE  = PTHREAD_MUTEX_RECURSIVE_NP;
  PTHREAD_MUTEX_ERRORCHECK = PTHREAD_MUTEX_ERRORCHECK_NP;
  PTHREAD_MUTEX_DEFAULT    = PTHREAD_MUTEX_NORMAL;
  PTHREAD_MUTEX_FAST_NP    = PTHREAD_MUTEX_ADAPTIVE_NP;

  PTHREAD_CREATE_JOINABLE = 0;
  PTHREAD_CREATE_DETACHED = 1;

  PTHREAD_INHERIT_SCHED   = 0;
  PTHREAD_EXPLICIT_SCHED  = 1;

  PTHREAD_SCOPE_SYSTEM    = 0;
  PTHREAD_SCOPE_PROCESS   = 1;

  NONRECURSIVE  = 0;
  RECURSIVE     = 1;

  PTHREAD_PROCESS_PRIVATE = 0;
  PTHREAD_PROCESS_SHARED  = 1;

  PTHREAD_ONCE_INIT = 0;

  PTHREAD_CANCEL_ENABLE  = 0;
  PTHREAD_CANCEL_DISABLE = 1;

  PTHREAD_CANCEL_DEFERRED     = 0;
  PTHREAD_CANCEL_ASYNCHRONOUS = 1;

  PTHREAD_CANCELED = Pointer(-1);
  PTHREAD_BARRIER_SERIAL_THREAD = -1;

  PTHREAD_RWLOCK_PREFER_READER_NP = 0;
  PTHREAD_RWLOCK_PREFER_WRITER_NP = 1;
  PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP = 2;
  PTHREAD_RWLOCK_DEFAULT_NP = PTHREAD_RWLOCK_PREFER_WRITER_NP;

  _SIGSET_NWORDS  = 1024 div (8 * SizeOf(LongWord));

type
   __sigset_t = record
     __val: packed array[0.._SIGSET_NWORDS-1] of LongWord;
   end;
   P__sigset_t = ^__sigset_t;
   TSigset = __sigset_t;
   PSigset = ^TSigset;

type
  // inserted.
  PSize_t = ^Size_t;

  // From scheduler.

  timespec =  record
    tv_sec: cint;
    tv_nsec: cint;
  end;
  TTimeSpec = timespec;
  PTimeSpec = ^TTimeSpec;

  // procedural types used in parameters to pthread functions

  TStartRoutine = function (_para1:pointer): cint; cdecl;
  TKeyValueDestructor = procedure(ValueInKey: Pointer); cdecl;
  TInitOnceProc = Procedure;cdecl;
  TForkHandler = procedure; cdecl;

  TThreadID = pthread_t;
  PPTHREAD_T = ^PTHREAD_T;
  PThreadID = ^TThreadID;

  _PTHREAD_DESCR = Pointer;
  TPTHREAD_DESCR = _PTHREAD_DESCR;
  PPTHREAD_DESCR = ^TPTHREAD_DESCR;
  P_PTHREAD_DESCR = ^_PTHREAD_DESCR;

  sched_param = record
    sched_priority: cint;
  end;
  Psched_param = ^sched_param;
  TSchedParam = sched_param;
  PSchedParam = ^TSchedParam;

  ppthread_attr_t = ^pthread_attr_t;
  TThreadAttr = pthread_attr_t;
  PThreadAttr = ^TThreadAttr;

  p_pthread_fastlock = ^_pthread_fastlock;
  TPthreadFastlock = _pthread_fastlock;
  PPthreadFastlock = ^TPthreadFastlock;

  PPTHREAD_MUTEX_T = ^PTHREAD_MUTEX_T;
  TPthreadMutex = PTHREAD_MUTEX_T;
  PPthreadMutex = ^TPthreadMutex;

  TMutexAttribute = pthread_mutexattr_t;
  PMutexAttribute = ^TMutexAttribute;
  PPTHREAD_MUTEXATTR_T = ^pthread_mutexattr_t;

  TPThreadCleanupRoutine = procedure (_para1:pointer);cdecl;

  PPthreadCleanupBuffer = ^_pthread_cleanup_buffer;
  p_pthread_cleanup_buffer = ^_pthread_cleanup_buffer;
  _pthread_cleanup_buffer = {packed} record
    __routine: TPThreadCleanupRoutine;    { Function to call.  }
    __arg: Pointer;                       { Its argument.  }
    __canceltype: cint;                { Saved cancellation type. }
    __prev: p_pthread_Cleanup_Buffer;        { Chaining of cleanup functions.  }
  end;
  TPthreadCleanupBuffer = _pthread_cleanup_buffer;

  pthread_cond_t = record
    __c_lock: _pthread_fastlock;
    __c_waiting: _pthread_descr;
  end;
  PPthread_cond_t = ^pthread_cond_t;
  TCondVar = pthread_cond_t;
  PCondVar = ^TCondVar;

  pthread_condattr_t = record
    __dummy: cint;
  end;
  Ppthread_condattr_t = ^pthread_condattr_t;
  TPthreadCondattr = pthread_condattr_t;
  PPthreadCondattr = ^TPthreadCondattr;

  ppthread_key_t = ^pthread_key_t;
  TPThreadKey = pthread_key_t;
  PPThreadKey = ^TPThreadKey;

  pthread_once_t = cint;
  Ppthread_once_t = ^pthread_once_t;
  TPThreadOnce = pthread_once_t;
  PPThreadOnce = ^pthread_once_t;

  TSemLock = _pthread_fastlock;
  PSemLock = ^TSemLock;

  psem_t = ^sem_t;
  TSemaphore = sem_t;
  PSemaphore = ^TSemaphore;

  ppthread_rwlock_t = ^pthread_rwlock_t;
  TPthreadRWlock = pthread_rwlock_t;
  PPthreadRWlock = ^TPthreadRWlock;

  ppthread_rwlockattr_t = ^pthread_rwlockattr_t;
  TPthreadRWlockAttribute = pthread_rwlockattr_t;
  PPthreadRWlockAttribute = ^TPthreadRWlockAttribute;

  pthread_spinlock_t = cint;
  ppthread_spinlock_t = ^pthread_spinlock_t;
  TPthreadSpinlock = pthread_spinlock_t;
  PTPthreadSpinlock = ^TPthreadSpinlock;

  pthread_barrier_t = record
    __ba_lock: _pthread_fastlock;
    __ba_required: cint;
    __ba_present: cint;
    __ba_waiting: _pthread_descr;
  end;
  ppthread_barrier_t = ^pthread_barrier_t;
  TPthreadBarrier = pthread_barrier_t;
  PPthreadBarrier = ^TPthreadBarrier;

  pthread_barrierattr_t = record
    __pshared: cint;
  end;
  ppthread_barrierattr_t = ^pthread_barrierattr_t;
  TPthreadBarrierAttribute = pthread_barrierattr_t;
  PPthreadBarrierAttribute = ^TPthreadBarrierAttribute;

{ ---------------------------------------------------------------------
    Raw function prototypes
  ---------------------------------------------------------------------}


  function pthread_create(__thread:Ppthread_t; __attr:Ppthread_attr_t; __start_routine:TStartRoutine; __arg:pointer):cint;cdecl; external libthreads;
  function pthread_self:pthread_t;cdecl; external libthreads;
  function pthread_equal(__thread1:pthread_t; __thread2:pthread_t):cint;cdecl; external libthreads;
  procedure pthread_exit(__retval:pointer);cdecl; external libthreads;
  function pthread_join(__th:pthread_t; __thread_return:Ppointer):cint;cdecl; external libthreads;
  function pthread_detach(__th:pthread_t):cint;cdecl; external libthreads;
  function pthread_attr_init(__attr:Ppthread_attr_t):cint;cdecl; external libthreads;
  function pthread_attr_destroy(__attr:Ppthread_attr_t):cint;cdecl; external libthreads;
  function pthread_attr_setdetachstate(__attr:Ppthread_attr_t; __detachstate:cint):cint;cdecl; external libthreads;
  function pthread_attr_getdetachstate(__attr:Ppthread_attr_t; __detachstate:pcint):cint;cdecl; external libthreads;
  function pthread_attr_setschedparam(__attr:Ppthread_attr_t; __param:Psched_param):cint;cdecl; external libthreads;
  function pthread_attr_getschedparam(__attr:Ppthread_attr_t; __param:Psched_param):cint;cdecl; external libthreads;
  function pthread_attr_setschedpolicy(__attr:Ppthread_attr_t; __policy:cint):cint;cdecl; external libthreads;
  function pthread_attr_getschedpolicy(__attr:Ppthread_attr_t; __policy:pcint):cint;cdecl; external libthreads;
  function pthread_attr_setinheritsched(__attr:Ppthread_attr_t; __inherit:cint):cint;cdecl; external libthreads;
  function pthread_attr_getinheritsched(__attr:Ppthread_attr_t; __inherit:pcint):cint;cdecl; external libthreads;
  function pthread_attr_setscope(__attr:Ppthread_attr_t; __scope:cint):cint;cdecl; external libthreads;
  function pthread_attr_getscope(__attr:Ppthread_attr_t; __scope:pcint):cint;cdecl; external libthreads;
  function pthread_attr_setstackaddr(__attr:Ppthread_attr_t; __stackaddr:pointer):cint;cdecl; external libthreads;
  function pthread_attr_getstackaddr(__attr:Ppthread_attr_t; __stackaddr:Ppointer):cint;cdecl; external libthreads;
  function pthread_attr_setstacksize(__attr:Ppthread_attr_t; __stacksize:size_t):cint;cdecl; external libthreads;
  function pthread_attr_getstacksize(__attr:Ppthread_attr_t; __stacksize:Psize_t):cint;cdecl; external libthreads;
  function pthread_attr_getguardsize(__attr:Ppthread_attr_t; Guardsize: Psize_t): cint; cdecl;external libthreads;
  function pthread_attr_setguardsize(__attr:Ppthread_attr_t; Guardsize: Psize_t): cint; cdecl;external libthreads;
  function pthread_setschedparam(__target_thread:pthread_t; __policy:cint; __param:Psched_param):cint;cdecl; external libthreads;
  function pthread_getschedparam(__target_thread:pthread_t; __policy:pcint; __param:Psched_param):cint;cdecl; external libthreads;
  function pthread_getconcurrency: cint; cdecl;external libthreads;
  function pthread_setconcurrency(Level: cint): cint; cdecl;external libthreads;
  function pthread_yield(): cint; cdecl;external libthreads;
  function pthread_mutex_init(__mutex:Ppthread_mutex_t; __mutex_attr:Ppthread_mutexattr_t):cint;cdecl; external libthreads;
  function pthread_mutex_destroy(__mutex:Ppthread_mutex_t):cint;cdecl; external libthreads;
  function pthread_mutex_trylock(__mutex:Ppthread_mutex_t):cint;cdecl; external libthreads;
  function pthread_mutex_lock(__mutex:Ppthread_mutex_t):cint;cdecl; external libthreads;
  function pthread_mutex_unlock(__mutex:Ppthread_mutex_t):cint;cdecl; external libthreads;
  function pthread_mutexattr_init(__attr:Ppthread_mutexattr_t):cint;cdecl; external libthreads;
  function pthread_mutexattr_destroy(__attr:Ppthread_mutexattr_t):cint;cdecl; external libthreads;
  function pthread_mutexattr_getpshared(__attr:Ppthread_mutexattr_t; __pshared:pcint):cint;cdecl; external libthreads;
  function pthread_mutexattr_setpshared(__attr:Ppthread_mutexattr_t; __pshared:cint):cint;cdecl; external libthreads;
  function pthread_mutexattr_settype(__attr: Ppthread_mutexattr_t; Kind: cint): cint; cdecl;external libthreads;
  function pthread_mutexattr_gettype(__attr: Ppthread_mutexattr_t; var Kind: cint): cint; cdecl;external libthreads;
  function pthread_cond_init(__cond:Ppthread_cond_t; __cond_attr:Ppthread_condattr_t):cint;cdecl; external libthreads;
  function pthread_cond_destroy(__cond:Ppthread_cond_t):cint;cdecl; external libthreads;
  function pthread_cond_signal(__cond:Ppthread_cond_t):cint;cdecl; external libthreads;
  function pthread_cond_broadcast(__cond:Ppthread_cond_t):cint;cdecl; external libthreads;
  function pthread_cond_wait(__cond:Ppthread_cond_t; __mutex:Ppthread_mutex_t):cint;cdecl; external libthreads;
  function pthread_cond_timedwait(__cond:Ppthread_cond_t; __mutex:Ppthread_mutex_t; __abstime:Ptimespec):cint;cdecl; external libthreads;
  function pthread_condattr_init(__attr:Ppthread_condattr_t):cint;cdecl; external libthreads;
  function pthread_condattr_destroy(__attr:Ppthread_condattr_t):cint;cdecl; external libthreads;
  function pthread_condattr_getpshared(__attr:Ppthread_condattr_t; __pshared:pcint):cint;cdecl; external libthreads;
  function pthread_condattr_setpshared(__attr:Ppthread_condattr_t; __pshared:cint):cint;cdecl; external libthreads;
  function pthread_rwlock_init(__rwlock:Ppthread_rwlock_t; __attr:Ppthread_rwlockattr_t):cint;cdecl; external libthreads;
  function pthread_rwlock_destroy(__rwlock:Ppthread_rwlock_t):cint;cdecl;external libthreads;
  function pthread_rwlock_rdlock(__rwlock:Ppthread_rwlock_t):cint;cdecl;external libthreads;
  function pthread_rwlock_tryrdlock(__rwlock:Ppthread_rwlock_t):cint;cdecl;external libthreads;
  function pthread_rwlock_timedrdlock(__rwlock:Ppthread_rwlock_t; __abstime:Ptimespec):cint;cdecl;external libthreads;
  function pthread_rwlock_wrlock(__rwlock:Ppthread_rwlock_t):cint;cdecl;external libthreads;
  function pthread_rwlock_trywrlock(__rwlock:Ppthread_rwlock_t):cint;cdecl; external libthreads;
  function pthread_rwlock_timedwrlock(__rwlock:Ppthread_rwlock_t; __abstime:Ptimespec):cint;cdecl;external libthreads;
  function pthread_rwlock_unlock(__rwlock:Ppthread_rwlock_t):cint;cdecl;external libthreads;
  function pthread_rwlockattr_init(__attr:Ppthread_rwlockattr_t):cint;cdecl;external libthreads;
  function pthread_rwlockattr_destroy(__attr:Ppthread_rwlockattr_t):cint;cdecl;external libthreads;
  function pthread_rwlockattr_getpshared(__attr:Ppthread_rwlockattr_t; __pshared:pcint):cint;cdecl;external libthreads;
  function pthread_rwlockattr_setpshared(__attr:Ppthread_rwlockattr_t; __pshared:cint):cint;cdecl;external libthreads;
  function pthread_rwlockattr_getkind_np(__attr:Ppthread_rwlockattr_t; __pref:pcint):cint;cdecl;external libthreads;
  function pthread_rwlockattr_setkind_np(__attr:Ppthread_rwlockattr_t; __pref:cint):cint;cdecl;external libthreads;
  function pthread_spin_init(__lock:Ppthread_spinlock_t; __pshared:cint):cint;cdecl;external libthreads;
  function pthread_spin_destroy(__lock:Ppthread_spinlock_t):cint;cdecl;external libthreads;
  function pthread_spin_lock(__lock:Ppthread_spinlock_t):cint;cdecl;external libthreads;
  function pthread_spin_trylock(__lock:Ppthread_spinlock_t):cint;cdecl;external libthreads;
  function pthread_spin_unlock(__lock:Ppthread_spinlock_t):cint;cdecl;external libthreads;
  function pthread_barrier_init(__barrier:Ppthread_barrier_t; __attr:Ppthread_barrierattr_t; __count:dword):cint;cdecl;external libthreads;
  function pthread_barrier_destroy(__barrier:Ppthread_barrier_t):cint;cdecl;external libthreads;
  function pthread_barrierattr_init(__attr:Ppthread_barrierattr_t):cint;cdecl;external libthreads;
  function pthread_barrierattr_destroy(__attr:Ppthread_barrierattr_t):cint;cdecl;external libthreads;
  function pthread_barrierattr_getpshared(__attr:Ppthread_barrierattr_t; __pshared:pcint):cint;cdecl;external libthreads;
  function pthread_barrierattr_setpshared(__attr:Ppthread_barrierattr_t; __pshared:cint):cint;cdecl;external libthreads;
  function pthread_barrier_wait(__barrier:Ppthread_barrier_t):cint;cdecl;external libthreads;
  function pthread_key_create(__key:Ppthread_key_t; __destr_function :TKeyValueDestructor):cint;cdecl; external libthreads;
  function pthread_key_delete(__key:pthread_key_t):cint;cdecl; external libthreads;
  function pthread_setspecific(__key:pthread_key_t; __pointer:pointer):cint;cdecl; external libthreads;
  function pthread_getspecific(__key:pthread_key_t):pointer;cdecl; external libthreads;
  function pthread_once(__once_control:Ppthread_once_t; __init_routine:Tprocedure ):cint;cdecl; external libthreads;
  function pthread_setcancelstate(__state:cint; __oldstate:pcint):cint;cdecl; external libthreads;
  function pthread_setcanceltype(__type:cint; __oldtype:pcint):cint;cdecl; external libthreads;
  function pthread_cancel(__thread:pthread_t):cint;cdecl; external libthreads;
  procedure pthread_testcancel;cdecl; external libthreads;
  procedure _pthread_cleanup_push(__buffer:P_pthread_cleanup_buffer; __routine:TPthreadCleanupRoutine; __arg:pointer);cdecl; external libthreads;
  procedure _pthread_cleanup_pop(__buffer:P_pthread_cleanup_buffer; __execute:cint);cdecl; external libthreads;
  function pthread_atfork(__prepare:TforkHandler ; __parent:TForkHandler ; __child: TForkHandler ):cint;cdecl; external libthreads;
  procedure pthread_kill_other_threads_np;cdecl; external libthreads;
  procedure __pthread_initialize; cdecl; external libthreads;
  function pthread_sigmask(__how:cint; __newmask:P__sigset_t; __oldmask:P__sigset_t):cint;cdecl; external libthreads;
  function pthread_kill(__thread:pthread_t; __signo:cint):cint;cdecl; external libthreads;

  function sem_init(__sem:Psem_t; __pshared:cint; __value:dword):cint;cdecl;external libthreads;
  function sem_destroy(__sem:Psem_t):cint;cdecl;external libthreads;
  function sem_close(__sem:Psem_t):cint;cdecl;external libthreads;
  function sem_unlink(__name:Pchar):cint;cdecl;external libthreads;
  function sem_wait(__sem:Psem_t):cint;cdecl;external libthreads;
  function sem_trywait(__sem:Psem_t):cint;cdecl;external libthreads;
  function sem_post(__sem:Psem_t):cint;cdecl;external libthreads;
  function sem_getvalue(__sem:Psem_t; __sval:pcint):cint;cdecl;external libthreads;

{ ---------------------------------------------------------------------
     Overloaded versions with var args instead of pointers
  ---------------------------------------------------------------------}

  function pthread_create(var __thread:pthread_t; var __attr: pthread_attr_t; __start_routine:TStartRoutine; __arg:pointer):cint;cdecl; external libthreads;
  function pthread_join(__th:pthread_t; var __thread_return:pointer):cint;cdecl; external libthreads;
  function pthread_attr_init(var __attr: pthread_attr_t):cint;cdecl; external libthreads;
  function pthread_attr_destroy(var __attr: pthread_attr_t):cint;cdecl; external libthreads;
  function pthread_attr_setdetachstate(var __attr: pthread_attr_t; __detachstate:cint):cint;cdecl; external libthreads;
  function pthread_attr_getdetachstate(var __attr: pthread_attr_t; var __detachstate:cint):cint;cdecl; external libthreads;
  function pthread_attr_setschedparam(var __attr: pthread_attr_t; const __param: sched_param):cint;cdecl; external libthreads;
  function pthread_attr_getschedparam(var __attr: pthread_attr_t; var __param: sched_param):cint;cdecl; external libthreads;
  function pthread_attr_setschedpolicy(var __attr: pthread_attr_t; __policy:cint):cint;cdecl; external libthreads;
  function pthread_attr_getschedpolicy(var __attr: pthread_attr_t; var __policy:cint):cint;cdecl; external libthreads;
  function pthread_attr_setinheritsched(var __attr: pthread_attr_t; __inherit:cint):cint;cdecl; external libthreads;
  function pthread_attr_getinheritsched(var __attr: pthread_attr_t; var __inherit: cint):cint;cdecl; external libthreads;
  function pthread_attr_setscope(var __attr: pthread_attr_t; __scope:cint):cint;cdecl; external libthreads;
  function pthread_attr_getscope(var __attr: pthread_attr_t; var __scope: cint):cint;cdecl; external libthreads;
  function pthread_attr_setstackaddr(var __attr: pthread_attr_t; __stackaddr:pointer):cint;cdecl; external libthreads;
  function pthread_attr_getstackaddr(var __attr: pthread_attr_t; var __stackaddr:pointer):cint;cdecl; external libthreads;
  function pthread_attr_setstacksize(var __attr: pthread_attr_t; __stacksize:size_t):cint;cdecl; external libthreads;
  function pthread_attr_getstacksize(var __attr: pthread_attr_t; var __stacksize: size_t):cint;cdecl; external libthreads;
  function pthread_attr_getguardsize(var __attr: pthread_attr_t; var Guardsize: Cardinal): cint; cdecl;external libthreads;
  function pthread_attr_setguardsize(var __attr: pthread_attr_t; Guardsize: Cardinal): cint; cdecl;external libthreads;
  function pthread_setschedparam(__target_thread:pthread_t; __policy:cint; const __param: sched_param):cint;cdecl; external libthreads;
  function pthread_getschedparam(__target_thread:pthread_t; var __policy: cint; var __param: sched_param):cint;cdecl; external libthreads;
  function pthread_mutex_init(var __mutex: pthread_mutex_t; var __mutex_attr: pthread_mutexattr_t):cint;cdecl; external libthreads;
  function pthread_mutex_destroy(var __mutex: pthread_mutex_t):cint;cdecl; external libthreads;
  function pthread_mutex_trylock(var __mutex: pthread_mutex_t):cint;cdecl; external libthreads;
  function pthread_mutex_lock(var __mutex: pthread_mutex_t):cint;cdecl; external libthreads;
  function pthread_mutex_unlock(var __mutex: pthread_mutex_t):cint;cdecl; external libthreads;
  function pthread_mutexattr_init(var __attr: pthread_mutexattr_t):cint;cdecl; external libthreads;
  function pthread_mutexattr_destroy(var __attr: pthread_mutexattr_t):cint;cdecl; external libthreads;
  function pthread_mutexattr_getpshared(var __attr: pthread_mutexattr_t; var __pshared: cint):cint;cdecl; external libthreads;
  function pthread_mutexattr_setpshared(var __attr: pthread_mutexattr_t; __pshared:cint):cint;cdecl; external libthreads;
  function pthread_mutexattr_settype(var __attr: pthread_mutexattr_t; Kind: cint): cint; cdecl;external libthreads;
  function pthread_mutexattr_gettype(var __attr: pthread_mutexattr_t; var Kind: cint): cint; cdecl;external libthreads;
  function pthread_cond_init(var __cond: pthread_cond_t;var __cond_attr: pthread_condattr_t):cint;cdecl; external libthreads;
  function pthread_cond_destroy(var __cond: pthread_cond_t):cint;cdecl; external libthreads;
  function pthread_cond_signal(var __cond: pthread_cond_t):cint;cdecl; external libthreads;
  function pthread_cond_broadcast(var __cond: pthread_cond_t):cint;cdecl; external libthreads;
  function pthread_cond_wait(var __cond: pthread_cond_t; var __mutex: pthread_mutex_t):cint;cdecl; external libthreads;
  function pthread_cond_timedwait(var __cond: pthread_cond_t; var __mutex: pthread_mutex_t; var __abstime: timespec):cint;cdecl; external libthreads;
  function pthread_condattr_init(var __attr: pthread_condattr_t):cint;cdecl; external libthreads;
  function pthread_condattr_destroy(var __attr: pthread_condattr_t):cint;cdecl; external libthreads;
  function pthread_condattr_getpshared(var __attr: pthread_condattr_t; var __pshared:cint):cint;cdecl; external libthreads;
  function pthread_condattr_setpshared(var __attr: pthread_condattr_t; __pshared:cint):cint;cdecl; external libthreads;
  function pthread_rwlock_init(var __rwlock: pthread_rwlock_t; var __attr: pthread_rwlockattr_t):cint;cdecl; external libthreads;
  function pthread_rwlock_destroy(var __rwlock: pthread_rwlock_t):cint;cdecl;external libthreads;
  function pthread_rwlock_rdlock(var __rwlock: pthread_rwlock_t):cint;cdecl;external libthreads;
  function pthread_rwlock_tryrdlock(var __rwlock: pthread_rwlock_t):cint;cdecl;external libthreads;
  function pthread_rwlock_timedrdlock(var __rwlock: pthread_rwlock_t; __abstime:Ptimespec):cint;cdecl;external libthreads;
  function pthread_rwlock_wrlock(var __rwlock: pthread_rwlock_t):cint;cdecl;external libthreads;
  function pthread_rwlock_trywrlock(var __rwlock: pthread_rwlock_t):cint;cdecl; external libthreads;
  function pthread_rwlock_timedwrlock(var __rwlock: pthread_rwlock_t; __abstime:Ptimespec):cint;cdecl;external libthreads;
  function pthread_rwlock_unlock(var __rwlock: pthread_rwlock_t):cint;cdecl;external libthreads;
  function pthread_rwlockattr_init(var __attr: pthread_rwlockattr_t):cint;cdecl;external libthreads;
  function pthread_rwlockattr_destroy(var __attr: pthread_rwlockattr_t):cint;cdecl;external libthreads;
  function pthread_rwlockattr_getpshared(var __attr: pthread_rwlockattr_t; var __pshared: cint):cint;cdecl;external libthreads;
  function pthread_rwlockattr_setpshared(var __attr: pthread_rwlockattr_t; __pshared:cint):cint;cdecl;external libthreads;
  function pthread_rwlockattr_getkind_np(var __attr: pthread_rwlockattr_t; var __pref: cint):cint;cdecl;external libthreads;
  function pthread_rwlockattr_setkind_np(var __attr: pthread_rwlockattr_t; __pref:cint):cint;cdecl;external libthreads;
  function pthread_spin_init(var __lock: pthread_spinlock_t; __pshared:cint):cint;cdecl;external libthreads;
  function pthread_spin_destroy(var __lock: pthread_spinlock_t):cint;cdecl;external libthreads;
  function pthread_spin_lock(var __lock: pthread_spinlock_t):cint;cdecl;external libthreads;
  function pthread_spin_trylock(var __lock: pthread_spinlock_t):cint;cdecl;external libthreads;
  function pthread_spin_unlock(var __lock: pthread_spinlock_t):cint;cdecl;external libthreads;
  function pthread_barrier_init(var __barrier: pthread_barrier_t;var __attr: pthread_barrierattr_t; __count:dword):cint;cdecl;external libthreads;
  function pthread_barrier_destroy(var __barrier: pthread_barrier_t):cint;cdecl;external libthreads;
  function pthread_barrierattr_init(var __attr: pthread_barrierattr_t):cint;cdecl;external libthreads;
  function pthread_barrierattr_destroy(var __attr: pthread_barrierattr_t):cint;cdecl;external libthreads;
  function pthread_barrierattr_getpshared(var __attr: pthread_barrierattr_t; var __pshared:cint):cint;cdecl;external libthreads;
  function pthread_barrierattr_setpshared(var __attr: pthread_barrierattr_t; __pshared:cint):cint;cdecl;external libthreads;
  function pthread_barrier_wait(var __barrier: pthread_barrier_t):cint;cdecl;external libthreads;
  function pthread_key_create(var __key: pthread_key_t; __destr_function :TKeyValueDestructor):cint;cdecl; external libthreads;
  function pthread_once(var __once_control: pthread_once_t; __init_routine:Tprocedure ):cint;cdecl; external libthreads;
  function pthread_setcancelstate(__state:cint; var __oldstate:cint):cint;cdecl; external libthreads;
  function pthread_setcanceltype(__type:cint;var __oldtype:cint):cint;cdecl; external libthreads;

  procedure _pthread_cleanup_push(var __buffer: _pthread_cleanup_buffer; __routine:TPthreadCleanupRoutine; __arg:pointer);cdecl; external libthreads;
  procedure _pthread_cleanup_pop(var __buffer:_pthread_cleanup_buffer; __execute:cint);cdecl; external libthreads;
  function pthread_sigmask(__how:cint; var __newmask:__sigset_t; var __oldmask:__sigset_t):cint;cdecl; external libthreads;

  function sem_init(var __sem: sem_t; __pshared:cint; __value:dword):cint;cdecl;external libthreads;
  function sem_destroy(var __sem: sem_t):cint;cdecl;external libthreads;
  function sem_close(var __sem: sem_t):cint;cdecl;external libthreads;
  function sem_wait(var __sem: sem_t):cint;cdecl;external libthreads;
  function sem_trywait(var __sem: sem_t):cint;cdecl;external libthreads;
  function sem_post(var __sem: sem_t):cint;cdecl;external libthreads;
  function sem_getvalue(var __sem: sem_t; var __sval:cint):cint;cdecl;external libthreads;


