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1 /* Copyright (C) 2005, 2007, 2008, 2009 Free Software Foundation, Inc.
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2 Contributed by Richard Henderson <rth@redhat.com>.
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3
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4 This file is part of the GNU OpenMP Library (libgomp).
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5
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6 Libgomp is free software; you can redistribute it and/or modify it
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7 under the terms of the GNU General Public License as published by
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8 the Free Software Foundation; either version 3, or (at your option)
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9 any later version.
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10
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11 Libgomp is distributed in the hope that it will be useful, but WITHOUT ANY
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12 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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13 FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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14 more details.
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15
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16 Under Section 7 of GPL version 3, you are granted additional
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17 permissions described in the GCC Runtime Library Exception, version
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18 3.1, as published by the Free Software Foundation.
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19
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20 You should have received a copy of the GNU General Public License and
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21 a copy of the GCC Runtime Library Exception along with this program;
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22 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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23 <http://www.gnu.org/licenses/>. */
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24
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25 #ifndef OMP_H
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26 #define OMP_H 1
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27
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28 #ifndef _LIBGOMP_OMP_LOCK_DEFINED
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29 #define _LIBGOMP_OMP_LOCK_DEFINED 1
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30 /* These two structures get edited by the libgomp build process to
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31 reflect the shape of the two types. Their internals are private
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32 to the library. */
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33
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34 typedef struct
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35 {
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36 unsigned char _x[@OMP_LOCK_SIZE@]
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37 __attribute__((__aligned__(@OMP_LOCK_ALIGN@)));
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38 } omp_lock_t;
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39
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40 typedef struct
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41 {
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42 unsigned char _x[@OMP_NEST_LOCK_SIZE@]
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43 __attribute__((__aligned__(@OMP_NEST_LOCK_ALIGN@)));
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44 } omp_nest_lock_t;
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45 #endif
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46
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47 typedef enum omp_sched_t
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48 {
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49 omp_sched_static = 1,
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50 omp_sched_dynamic = 2,
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51 omp_sched_guided = 3,
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52 omp_sched_auto = 4
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53 } omp_sched_t;
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54
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55 #ifdef __cplusplus
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56 extern "C" {
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57 # define __GOMP_NOTHROW throw ()
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58 #else
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59 # define __GOMP_NOTHROW __attribute__((__nothrow__))
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60 #endif
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61
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62 extern void omp_set_num_threads (int) __GOMP_NOTHROW;
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63 extern int omp_get_num_threads (void) __GOMP_NOTHROW;
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64 extern int omp_get_max_threads (void) __GOMP_NOTHROW;
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65 extern int omp_get_thread_num (void) __GOMP_NOTHROW;
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66 extern int omp_get_num_procs (void) __GOMP_NOTHROW;
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67
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68 extern int omp_in_parallel (void) __GOMP_NOTHROW;
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69
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70 extern void omp_set_dynamic (int) __GOMP_NOTHROW;
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71 extern int omp_get_dynamic (void) __GOMP_NOTHROW;
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72
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73 extern void omp_set_nested (int) __GOMP_NOTHROW;
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74 extern int omp_get_nested (void) __GOMP_NOTHROW;
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75
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76 extern void omp_init_lock (omp_lock_t *) __GOMP_NOTHROW;
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77 extern void omp_destroy_lock (omp_lock_t *) __GOMP_NOTHROW;
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78 extern void omp_set_lock (omp_lock_t *) __GOMP_NOTHROW;
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79 extern void omp_unset_lock (omp_lock_t *) __GOMP_NOTHROW;
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80 extern int omp_test_lock (omp_lock_t *) __GOMP_NOTHROW;
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81
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82 extern void omp_init_nest_lock (omp_nest_lock_t *) __GOMP_NOTHROW;
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83 extern void omp_destroy_nest_lock (omp_nest_lock_t *) __GOMP_NOTHROW;
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84 extern void omp_set_nest_lock (omp_nest_lock_t *) __GOMP_NOTHROW;
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85 extern void omp_unset_nest_lock (omp_nest_lock_t *) __GOMP_NOTHROW;
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86 extern int omp_test_nest_lock (omp_nest_lock_t *) __GOMP_NOTHROW;
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87
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88 extern double omp_get_wtime (void) __GOMP_NOTHROW;
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89 extern double omp_get_wtick (void) __GOMP_NOTHROW;
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90
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91 void omp_set_schedule (omp_sched_t, int) __GOMP_NOTHROW;
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92 void omp_get_schedule (omp_sched_t *, int *) __GOMP_NOTHROW;
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93 int omp_get_thread_limit (void) __GOMP_NOTHROW;
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94 void omp_set_max_active_levels (int) __GOMP_NOTHROW;
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95 int omp_get_max_active_levels (void) __GOMP_NOTHROW;
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96 int omp_get_level (void) __GOMP_NOTHROW;
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97 int omp_get_ancestor_thread_num (int) __GOMP_NOTHROW;
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98 int omp_get_team_size (int) __GOMP_NOTHROW;
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99 int omp_get_active_level (void) __GOMP_NOTHROW;
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100
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101 #ifdef __cplusplus
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102 }
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103 #endif
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104
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105 #endif /* OMP_H */
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