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/**************************************************************************/
/* */
/* OCaml */
/* */
/* Xavier Leroy and Damien Doligez, INRIA Rocquencourt */
/* */
/* Copyright 1996 Institut National de Recherche en Informatique et */
/* en Automatique. */
/* */
/* All rights reserved. This file is distributed under the terms of */
/* the GNU Lesser General Public License version 2.1, with the */
/* special exception on linking described in the file LICENSE. */
/* */
/**************************************************************************/
/* Operations on mutexes from the OCaml stdlib */
#ifndef CAML_SYNC_H
#define CAML_SYNC_H
#ifdef CAML_INTERNALS
#include "mlvalues.h"
#include "platform.h"
/* OCaml mutexes and condition variables can also be manipulated from
C code with non-raising primitives from caml/platform.h. In this
case, pairs of lock/unlock for a critical section must come from
the same header (sync.h or platform.h). */
typedef caml_plat_mutex * sync_mutex;
typedef caml_plat_cond * sync_condvar;
#define Mutex_val(v) (* ((sync_mutex *) Data_custom_val(v)))
#define Condition_val(v) (* (sync_condvar *) Data_custom_val(v))
CAMLextern int caml_mutex_lock(sync_mutex mut);
CAMLextern int caml_mutex_unlock(sync_mutex mut);
value caml_ml_mutex_lock(value wrapper);
value caml_ml_mutex_unlock(value wrapper);
value caml_ml_condition_broadcast(value wrapper);
#endif /* CAML_INTERNALS */
#endif /* CAML_SYNC_H */
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