libgomp/omp.h.in

   1 /* Copyright (C) 2005-2018 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
  35 typedef struct
  36 {
  37   unsigned char _x[@OMP_LOCK_SIZE@]
  38     __attribute__((__aligned__(@OMP_LOCK_ALIGN@)));
  39 } omp_lock_t;
  40
  41 typedef 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
  48 typedef 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_monotonic = 0x80000000U
  55 } omp_sched_t;
  56
  57 typedef enum omp_proc_bind_t
  58 {
  59   omp_proc_bind_false = 0,
  60   omp_proc_bind_true = 1,
  61   omp_proc_bind_master = 2,
  62   omp_proc_bind_close = 3,
  63   omp_proc_bind_spread = 4
  64 } omp_proc_bind_t;
  65
  66 typedef enum omp_sync_hint_t
  67 {
  68   omp_sync_hint_none = 0,
  69   omp_lock_hint_none = omp_sync_hint_none,
  70   omp_sync_hint_uncontended = 1,
  71   omp_lock_hint_uncontended = omp_sync_hint_uncontended,
  72   omp_sync_hint_contended = 2,
  73   omp_lock_hint_contended = omp_sync_hint_contended,
  74   omp_sync_hint_nonspeculative = 4,
  75   omp_lock_hint_nonspeculative = omp_sync_hint_nonspeculative,
  76   omp_sync_hint_speculative = 8,
  77   omp_lock_hint_speculative = omp_sync_hint_speculative
  78 } omp_sync_hint_t;
  79
  80 typedef omp_sync_hint_t omp_lock_hint_t;
  81
  82 typedef struct __attribute__((__aligned__ (sizeof (void *)))) omp_depend_t
  83 {
  84   char __omp_depend_t__[2 * sizeof (void *)];
  85 } omp_depend_t;
  86
  87 typedef enum omp_pause_resource_t
  88 {
  89   omp_pause_soft = 1,
  90   omp_pause_hard = 2
  91 } omp_pause_resource_t;
  92
  93 #ifdef __cplusplus
  94 extern "C" {
  95 # define __GOMP_NOTHROW throw ()
  96 #else
  97 # define __GOMP_NOTHROW __attribute__((__nothrow__))
  98 #endif
  99
 100 extern void omp_set_num_threads (int) __GOMP_NOTHROW;
 101 extern int omp_get_num_threads (void) __GOMP_NOTHROW;
 102 extern int omp_get_max_threads (void) __GOMP_NOTHROW;
 103 extern int omp_get_thread_num (void) __GOMP_NOTHROW;
 104 extern int omp_get_num_procs (void) __GOMP_NOTHROW;
 105
 106 extern int omp_in_parallel (void) __GOMP_NOTHROW;
 107
 108 extern void omp_set_dynamic (int) __GOMP_NOTHROW;
 109 extern int omp_get_dynamic (void) __GOMP_NOTHROW;
 110
 111 extern void omp_set_nested (int) __GOMP_NOTHROW;
 112 extern int omp_get_nested (void) __GOMP_NOTHROW;
 113
 114 extern void omp_init_lock (omp_lock_t *) __GOMP_NOTHROW;
 115 extern void omp_init_lock_with_hint (omp_lock_t *, omp_sync_hint_t)
 116   __GOMP_NOTHROW;
 117 extern void omp_destroy_lock (omp_lock_t *) __GOMP_NOTHROW;
 118 extern void omp_set_lock (omp_lock_t *) __GOMP_NOTHROW;
 119 extern void omp_unset_lock (omp_lock_t *) __GOMP_NOTHROW;
 120 extern int omp_test_lock (omp_lock_t *) __GOMP_NOTHROW;
 121
 122 extern void omp_init_nest_lock (omp_nest_lock_t *) __GOMP_NOTHROW;
 123 extern void omp_init_nest_lock_with_hint (omp_nest_lock_t *, omp_sync_hint_t)
 124   __GOMP_NOTHROW;
 125 extern void omp_destroy_nest_lock (omp_nest_lock_t *) __GOMP_NOTHROW;
 126 extern void omp_set_nest_lock (omp_nest_lock_t *) __GOMP_NOTHROW;
 127 extern void omp_unset_nest_lock (omp_nest_lock_t *) __GOMP_NOTHROW;
 128 extern int omp_test_nest_lock (omp_nest_lock_t *) __GOMP_NOTHROW;
 129
 130 extern double omp_get_wtime (void) __GOMP_NOTHROW;
 131 extern double omp_get_wtick (void) __GOMP_NOTHROW;
 132
 133 extern void omp_set_schedule (omp_sched_t, int) __GOMP_NOTHROW;
 134 extern void omp_get_schedule (omp_sched_t *, int *) __GOMP_NOTHROW;
 135 extern int omp_get_thread_limit (void) __GOMP_NOTHROW;
 136 extern void omp_set_max_active_levels (int) __GOMP_NOTHROW;
 137 extern int omp_get_max_active_levels (void) __GOMP_NOTHROW;
 138 extern int omp_get_level (void) __GOMP_NOTHROW;
 139 extern int omp_get_ancestor_thread_num (int) __GOMP_NOTHROW;
 140 extern int omp_get_team_size (int) __GOMP_NOTHROW;
 141 extern int omp_get_active_level (void) __GOMP_NOTHROW;
 142
 143 extern int omp_in_final (void) __GOMP_NOTHROW;
 144
 145 extern int omp_get_cancellation (void) __GOMP_NOTHROW;
 146 extern omp_proc_bind_t omp_get_proc_bind (void) __GOMP_NOTHROW;
 147 extern int omp_get_num_places (void) __GOMP_NOTHROW;
 148 extern int omp_get_place_num_procs (int) __GOMP_NOTHROW;
 149 extern void omp_get_place_proc_ids (int, int *) __GOMP_NOTHROW;
 150 extern int omp_get_place_num (void) __GOMP_NOTHROW;
 151 extern int omp_get_partition_num_places (void) __GOMP_NOTHROW;
 152 extern void omp_get_partition_place_nums (int *) __GOMP_NOTHROW;
 153
 154 extern void omp_set_default_device (int) __GOMP_NOTHROW;
 155 extern int omp_get_default_device (void) __GOMP_NOTHROW;
 156 extern int omp_get_num_devices (void) __GOMP_NOTHROW;
 157 extern int omp_get_num_teams (void) __GOMP_NOTHROW;
 158 extern int omp_get_team_num (void) __GOMP_NOTHROW;
 159
 160 extern int omp_is_initial_device (void) __GOMP_NOTHROW;
 161 extern int omp_get_initial_device (void) __GOMP_NOTHROW;
 162 extern int omp_get_max_task_priority (void) __GOMP_NOTHROW;
 163
 164 extern void *omp_target_alloc (__SIZE_TYPE__, int) __GOMP_NOTHROW;
 165 extern void omp_target_free (void *, int) __GOMP_NOTHROW;
 166 extern int omp_target_is_present (const void *, int) __GOMP_NOTHROW;
 167 extern int omp_target_memcpy (void *, const void *, __SIZE_TYPE__,
 168                               __SIZE_TYPE__, __SIZE_TYPE__, int, int)
 169   __GOMP_NOTHROW;
 170 extern int omp_target_memcpy_rect (void *, const void *, __SIZE_TYPE__, int,
 171                                    const __SIZE_TYPE__ *,
 172                                    const __SIZE_TYPE__ *,
 173                                    const __SIZE_TYPE__ *,
 174                                    const __SIZE_TYPE__ *,
 175                                    const __SIZE_TYPE__ *, int, int)
 176   __GOMP_NOTHROW;
 177 extern int omp_target_associate_ptr (const void *, const void *, __SIZE_TYPE__,
 178                                      __SIZE_TYPE__, int) __GOMP_NOTHROW;
 179 extern int omp_target_disassociate_ptr (const void *, int) __GOMP_NOTHROW;
 180
 181 extern void omp_set_affinity_format (const char *) __GOMP_NOTHROW;
 182 extern __SIZE_TYPE__ omp_get_affinity_format (char *, __SIZE_TYPE__)
 183   __GOMP_NOTHROW;
 184 extern void omp_display_affinity (const char *) __GOMP_NOTHROW;
 185 extern __SIZE_TYPE__ omp_capture_affinity (char *, __SIZE_TYPE__, const char *)
 186   __GOMP_NOTHROW;
 187
 188 extern int omp_pause_resource (omp_pause_resource_t, int) __GOMP_NOTHROW;
 189 extern int omp_pause_resource_all (omp_pause_resource_t) __GOMP_NOTHROW;
 190
 191 #ifdef __cplusplus
 192 }
 193 #endif
 194
 195 #endif /* _OMP_H */