1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
|
/* 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. */
/* 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;
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)
{
void *local;
local = malloc (size);
token = malloc (sizeof (void*) * 1);
token[0] = local;
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 (1);
}
#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);
}
|
