ocaml/runtime/caml/domain_state.h

60 lines
2.2 KiB
C

/**************************************************************************/
/* */
/* OCaml */
/* */
/* KC Sivaramakrishnan, Indian Institute of Technology, Madras */
/* Stephen Dolan, University of Cambridge */
/* */
/* Copyright 2019 Indian Institute of Technology, Madras */
/* Copyright 2019 University of Cambridge */
/* */
/* 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. */
/* */
/**************************************************************************/
#ifndef CAML_STATE_H
#define CAML_STATE_H
#include <stddef.h>
#include <stdio.h>
#include "misc.h"
#include "mlvalues.h"
/* This structure sits in the TLS area and is also accessed efficiently
* via native code, which is why the indices are important */
typedef struct {
#ifdef CAML_NAME_SPACE
#define DOMAIN_STATE(type, name) CAMLalign(8) type name;
#else
#define DOMAIN_STATE(type, name) CAMLalign(8) type _##name;
#endif
#include "domain_state.tbl"
#undef DOMAIN_STATE
CAMLalign(8) char end_of_domain_state;
} caml_domain_state;
enum {
Domain_state_num_fields =
#define DOMAIN_STATE(type, name) + 1
#include "domain_state.tbl"
#undef DOMAIN_STATE
};
/* Check that the structure was laid out without padding,
since the runtime assumes this in computing offsets */
CAML_STATIC_ASSERT(
offsetof(caml_domain_state, end_of_domain_state) ==
Domain_state_num_fields * 8);
CAMLextern caml_domain_state* Caml_state;
#ifdef CAML_NAME_SPACE
#define Caml_state_field(field) Caml_state->field
#else
#define Caml_state_field(field) Caml_state->_##field
#endif
#endif /* CAML_STATE_H */