c0f1579204
2011-07-15 Daniel Carrera <dcarrera@gmail.com> * caf/mpi.c (caf_runtime_error): Change fprintf to vfprintf. * caf/single.c (caf_runtime_error): Ditto. From-SVN: r176340
183 lines
4.2 KiB
C
183 lines
4.2 KiB
C
/* Single-image implementation of GNU Fortran Coarray Library
|
|
Copyright (C) 2011
|
|
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/>. */
|
|
|
|
#include "libcaf.h"
|
|
#include <stdio.h> /* For fputs and fprintf. */
|
|
#include <stdlib.h> /* For exit and malloc. */
|
|
#include <string.h> /* For memcpy and memset. */
|
|
#include <stdarg.h> /* For variadic arguments. */
|
|
|
|
/* Define GFC_CAF_CHECK to enable run-time checking. */
|
|
/* #define GFC_CAF_CHECK 1 */
|
|
|
|
/* Single-image implementation of the CAF library.
|
|
Note: For performance reasons -fcoarry=single should be used
|
|
rather than this library. */
|
|
|
|
/* Global variables. */
|
|
caf_static_t *caf_static_list = NULL;
|
|
|
|
|
|
/* Keep in sync with mpi.c. */
|
|
static void
|
|
caf_runtime_error (const char *message, ...)
|
|
{
|
|
va_list ap;
|
|
fprintf (stderr, "Fortran runtime error: ");
|
|
va_start (ap, message);
|
|
vfprintf (stderr, message, ap);
|
|
va_end (ap);
|
|
fprintf (stderr, "\n");
|
|
|
|
/* FIXME: Shutdown the Fortran RTL to flush the buffer. PR 43849. */
|
|
exit (EXIT_FAILURE);
|
|
}
|
|
|
|
void
|
|
_gfortran_caf_init (int *argc __attribute__ ((unused)),
|
|
char ***argv __attribute__ ((unused)),
|
|
int *this_image, int *num_images)
|
|
{
|
|
*this_image = 1;
|
|
*num_images = 1;
|
|
}
|
|
|
|
|
|
void
|
|
_gfortran_caf_finalize (void)
|
|
{
|
|
while (caf_static_list != NULL)
|
|
{
|
|
free(caf_static_list->token[0]);
|
|
caf_static_list = caf_static_list->prev;
|
|
}
|
|
}
|
|
|
|
|
|
void *
|
|
_gfortran_caf_register (ptrdiff_t size, caf_register_t type, void **token,
|
|
int *stat, char *errmsg, int errmsg_len)
|
|
{
|
|
void *local;
|
|
|
|
local = malloc (size);
|
|
token = malloc (sizeof (void*) * 1);
|
|
token[0] = local;
|
|
|
|
if (unlikely (local == NULL || token == NULL))
|
|
{
|
|
const char msg[] = "Failed to allocate coarray";
|
|
if (stat)
|
|
{
|
|
*stat = 1;
|
|
if (errmsg_len > 0)
|
|
{
|
|
int len = ((int) sizeof (msg) > errmsg_len) ? errmsg_len
|
|
: (int) sizeof (msg);
|
|
memcpy (errmsg, msg, len);
|
|
if (errmsg_len > len)
|
|
memset (&errmsg[len], ' ', errmsg_len-len);
|
|
}
|
|
return NULL;
|
|
}
|
|
else
|
|
caf_runtime_error (msg);
|
|
}
|
|
|
|
if (stat)
|
|
*stat = 0;
|
|
|
|
if (type == CAF_REGTYPE_COARRAY_STATIC)
|
|
{
|
|
caf_static_t *tmp = malloc (sizeof (caf_static_t));
|
|
tmp->prev = caf_static_list;
|
|
tmp->token = token;
|
|
caf_static_list = tmp;
|
|
}
|
|
return local;
|
|
}
|
|
|
|
|
|
int
|
|
_gfortran_caf_deregister (void **token __attribute__ ((unused)))
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
|
|
void
|
|
_gfortran_caf_sync_all (int *stat,
|
|
char *errmsg __attribute__ ((unused)),
|
|
int errmsg_len __attribute__ ((unused)))
|
|
{
|
|
if (stat)
|
|
*stat = 0;
|
|
}
|
|
|
|
|
|
void
|
|
_gfortran_caf_sync_images (int count __attribute__ ((unused)),
|
|
int images[] __attribute__ ((unused)),
|
|
int *stat,
|
|
char *errmsg __attribute__ ((unused)),
|
|
int errmsg_len __attribute__ ((unused)))
|
|
{
|
|
#ifdef GFC_CAF_CHECK
|
|
int i;
|
|
|
|
for (i = 0; i < count; i++)
|
|
if (images[i] != 1)
|
|
{
|
|
fprintf (stderr, "COARRAY ERROR: Invalid image index %d to SYNC "
|
|
"IMAGES", images[i]);
|
|
exit (EXIT_FAILURE);
|
|
}
|
|
#endif
|
|
|
|
if (stat)
|
|
*stat = 0;
|
|
}
|
|
|
|
|
|
void
|
|
_gfortran_caf_error_stop_str (const char *string, int32_t len)
|
|
{
|
|
fputs ("ERROR STOP ", stderr);
|
|
while (len--)
|
|
fputc (*(string++), stderr);
|
|
fputs ("\n", stderr);
|
|
|
|
exit (1);
|
|
}
|
|
|
|
|
|
void
|
|
_gfortran_caf_error_stop (int32_t error)
|
|
{
|
|
fprintf (stderr, "ERROR STOP %d\n", error);
|
|
exit (error);
|
|
}
|