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/* Common declarations for all of GNU Fortran libcaf implementations.
Copyright (C) 2011-2013 Free Software Foundation, Inc.
Contributed by Tobias Burnus <burnus@net-b.de>
This file is part of the GNU Fortran Coarray Runtime Library (libcaf).
Libcaf is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
Libcaf 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 General Public License for more details.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
#ifndef LIBCAF_H
#define LIBCAF_H
#include <stdint.h> /* For int32_t. */
#include <stddef.h> /* For ptrdiff_t. */
#ifndef __GNUC__
#define __attribute__(x)
#define likely(x) (x)
#define unlikely(x) (x)
#else
#define likely(x) __builtin_expect(!!(x), 1)
#define unlikely(x) __builtin_expect(!!(x), 0)
#endif
/* Definitions of the Fortran 2008 standard; need to kept in sync with
ISO_FORTRAN_ENV, cf. libgfortran.h. */
#define STAT_UNLOCKED 0
#define STAT_LOCKED 1
#define STAT_LOCKED_OTHER_IMAGE 2
#define STAT_STOPPED_IMAGE 6000
/* Describes what type of array we are registerring. Keep in sync with
gcc/fortran/trans.h. */
typedef enum caf_register_t {
CAF_REGTYPE_COARRAY_STATIC,
CAF_REGTYPE_COARRAY_ALLOC,
CAF_REGTYPE_LOCK,
CAF_REGTYPE_LOCK_COMP
}
caf_register_t;
/* Linked list of static coarrays registered. */
typedef struct caf_static_t {
void **token;
struct caf_static_t *prev;
}
caf_static_t;
void _gfortran_caf_init (int *, char ***, int *, int *);
void _gfortran_caf_finalize (void);
void * _gfortran_caf_register (ptrdiff_t, caf_register_t, void ***, int *,
char *, int);
void _gfortran_caf_deregister (void ***, int *, char *, int);
void _gfortran_caf_sync_all (int *, char *, int);
void _gfortran_caf_sync_images (int, int[], int *, char *, int);
/* FIXME: The CRITICAL functions should be removed;
the functionality is better represented using Coarray's lock feature. */
void _gfortran_caf_critical (void) { }
void _gfortran_caf_end_critical (void) { }
void _gfortran_caf_error_stop_str (const char *, int32_t)
__attribute__ ((noreturn));
void _gfortran_caf_error_stop (int32_t) __attribute__ ((noreturn));
#endif /* LIBCAF_H */
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