1/* Copyright (C) 2005-2015 Free Software Foundation, Inc.
2   Contributed by Richard Henderson <rth@redhat.com>.
3
4   This file is part of the GNU Offloading and Multi Processing Library
5   (libgomp).
6
7   Libgomp is free software; you can redistribute it and/or modify it
8   under the terms of the GNU General Public License as published by
9   the Free Software Foundation; either version 3, or (at your option)
10   any later version.
11
12   Libgomp is distributed in the hope that it will be useful, but WITHOUT ANY
13   WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
14   FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
15   more details.
16
17   Under Section 7 of GPL version 3, you are granted additional
18   permissions described in the GCC Runtime Library Exception, version
19   3.1, as published by the Free Software Foundation.
20
21   You should have received a copy of the GNU General Public License and
22   a copy of the GCC Runtime Library Exception along with this program;
23   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
24   <http://www.gnu.org/licenses/>.  */
25
26#ifndef _OMP_H
27#define _OMP_H 1
28
29#ifndef _LIBGOMP_OMP_LOCK_DEFINED
30#define _LIBGOMP_OMP_LOCK_DEFINED 1
31/* These two structures get edited by the libgomp build process to 
32   reflect the shape of the two types.  Their internals are private
33   to the library.  */
34
35typedef struct
36{
37  unsigned char _x[@OMP_LOCK_SIZE@] 
38    __attribute__((__aligned__(@OMP_LOCK_ALIGN@)));
39} omp_lock_t;
40
41typedef struct
42{
43  unsigned char _x[@OMP_NEST_LOCK_SIZE@] 
44    __attribute__((__aligned__(@OMP_NEST_LOCK_ALIGN@)));
45} omp_nest_lock_t;
46#endif
47
48typedef enum omp_sched_t
49{
50  omp_sched_static = 1,
51  omp_sched_dynamic = 2,
52  omp_sched_guided = 3,
53  omp_sched_auto = 4
54} omp_sched_t;
55
56typedef enum omp_proc_bind_t
57{
58  omp_proc_bind_false = 0,
59  omp_proc_bind_true = 1,
60  omp_proc_bind_master = 2,
61  omp_proc_bind_close = 3,
62  omp_proc_bind_spread = 4
63} omp_proc_bind_t;
64
65#ifdef __cplusplus
66extern "C" {
67# define __GOMP_NOTHROW throw ()
68#else
69# define __GOMP_NOTHROW __attribute__((__nothrow__))
70#endif
71
72extern void omp_set_num_threads (int) __GOMP_NOTHROW;
73extern int omp_get_num_threads (void) __GOMP_NOTHROW;
74extern int omp_get_max_threads (void) __GOMP_NOTHROW;
75extern int omp_get_thread_num (void) __GOMP_NOTHROW;
76extern int omp_get_num_procs (void) __GOMP_NOTHROW;
77
78extern int omp_in_parallel (void) __GOMP_NOTHROW;
79
80extern void omp_set_dynamic (int) __GOMP_NOTHROW;
81extern int omp_get_dynamic (void) __GOMP_NOTHROW;
82
83extern void omp_set_nested (int) __GOMP_NOTHROW;
84extern int omp_get_nested (void) __GOMP_NOTHROW;
85
86extern void omp_init_lock (omp_lock_t *) __GOMP_NOTHROW;
87extern void omp_destroy_lock (omp_lock_t *) __GOMP_NOTHROW;
88extern void omp_set_lock (omp_lock_t *) __GOMP_NOTHROW;
89extern void omp_unset_lock (omp_lock_t *) __GOMP_NOTHROW;
90extern int omp_test_lock (omp_lock_t *) __GOMP_NOTHROW;
91
92extern void omp_init_nest_lock (omp_nest_lock_t *) __GOMP_NOTHROW;
93extern void omp_destroy_nest_lock (omp_nest_lock_t *) __GOMP_NOTHROW;
94extern void omp_set_nest_lock (omp_nest_lock_t *) __GOMP_NOTHROW;
95extern void omp_unset_nest_lock (omp_nest_lock_t *) __GOMP_NOTHROW;
96extern int omp_test_nest_lock (omp_nest_lock_t *) __GOMP_NOTHROW;
97
98extern double omp_get_wtime (void) __GOMP_NOTHROW;
99extern double omp_get_wtick (void) __GOMP_NOTHROW;
100
101extern void omp_set_schedule (omp_sched_t, int) __GOMP_NOTHROW;
102extern void omp_get_schedule (omp_sched_t *, int *) __GOMP_NOTHROW;
103extern int omp_get_thread_limit (void) __GOMP_NOTHROW;
104extern void omp_set_max_active_levels (int) __GOMP_NOTHROW;
105extern int omp_get_max_active_levels (void) __GOMP_NOTHROW;
106extern int omp_get_level (void) __GOMP_NOTHROW;
107extern int omp_get_ancestor_thread_num (int) __GOMP_NOTHROW;
108extern int omp_get_team_size (int) __GOMP_NOTHROW;
109extern int omp_get_active_level (void) __GOMP_NOTHROW;
110
111extern int omp_in_final (void) __GOMP_NOTHROW;
112
113extern int omp_get_cancellation (void) __GOMP_NOTHROW;
114extern omp_proc_bind_t omp_get_proc_bind (void) __GOMP_NOTHROW;
115
116extern void omp_set_default_device (int) __GOMP_NOTHROW;
117extern int omp_get_default_device (void) __GOMP_NOTHROW;
118extern int omp_get_num_devices (void) __GOMP_NOTHROW;
119extern int omp_get_num_teams (void) __GOMP_NOTHROW;
120extern int omp_get_team_num (void) __GOMP_NOTHROW;
121
122extern int omp_is_initial_device (void) __GOMP_NOTHROW;
123
124#ifdef __cplusplus
125}
126#endif
127
128#endif /* _OMP_H */
129