/* StarPU --- Runtime system for heterogeneous multicore architectures.
 *
 * Copyright (C) 2014  Inria
 *
 * StarPU is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or (at
 * your option) any later version.
 *
 * StarPU 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 Lesser General Public License in COPYING.LGPL for more details.
 */

#ifndef __STARPU_OPENMP_H__
#define __STARPU_OPENMP_H__

#include <starpu_config.h>

#if defined STARPU_OPENMP
typedef void *starpu_omp_lock_t; /* TODO: select a proper type */
typedef void *starpu_omp_nest_lock_t; /* TODO: select a proper type */

typedef enum e_starpu_omp_sched
{
	starpu_omp_sched_undefined = 0,
	starpu_omp_sched_static    = 1,
	starpu_omp_sched_dynamic   = 2,
	starpu_omp_sched_guided    = 3,
	starpu_omp_sched_auto      = 4,
} starpu_omp_sched_t;

typedef enum e_starpu_omp_proc_bind
{
	starpu_omp_proc_bind_false  = 0,
	starpu_omp_proc_bind_true   = 1,
	starpu_omp_proc_bind_master = 2,
	starpu_omp_proc_bind_close  = 3,
	starpu_omp_proc_bind_spread = 4,
} starpu_omp_proc_bind_t;

#ifdef __cplusplus
extern "C"
{
#define __STARPU_OMP_NOTHROW throw ()
#else
#define __STARPU_OMP_NOTHROW __attribute__((__nothrow__))
#endif

extern int starpu_omp_init(void) __STARPU_OMP_NOTHROW;
extern void starpu_omp_shutdown(void) __STARPU_OMP_NOTHROW;
extern void starpu_omp_parallel_region(const struct starpu_codelet * const parallel_region_cl, void * const parallel_region_cl_arg) __STARPU_OMP_NOTHROW;
extern void starpu_omp_task_region(const struct starpu_codelet * const _task_region_cl,
		void * const task_region_cl_arg,
		int if_clause, int final_clause, int untied_clause, int mergeable_clause) __STARPU_OMP_NOTHROW;
extern void starpu_omp_barrier(void) __STARPU_OMP_NOTHROW;
extern void starpu_omp_master(void (*f)(void *arg), void *arg) __STARPU_OMP_NOTHROW;
extern void starpu_omp_single(void (*f)(void *arg), void *arg, int nowait) __STARPU_OMP_NOTHROW;
extern void starpu_omp_critical(void (*f)(void *arg), void *arg, const char *name) __STARPU_OMP_NOTHROW;
extern void starpu_omp_taskwait(void) __STARPU_OMP_NOTHROW;
extern void starpu_omp_taskgroup(void (*f)(void *arg), void *arg) __STARPU_OMP_NOTHROW;
extern void starpu_omp_for(void (*f)(unsigned long i, void *arg), void *arg, unsigned long nb_iterations, unsigned long chunk, int schedule, int ordered, int nowait) __STARPU_OMP_NOTHROW;

extern void starpu_omp_set_num_threads(int threads) __STARPU_OMP_NOTHROW;
extern int starpu_omp_get_num_threads() __STARPU_OMP_NOTHROW;
extern int starpu_omp_get_thread_num() __STARPU_OMP_NOTHROW;
extern int starpu_omp_get_max_threads() __STARPU_OMP_NOTHROW;
extern int starpu_omp_get_num_procs (void) __STARPU_OMP_NOTHROW;
extern int starpu_omp_in_parallel (void) __STARPU_OMP_NOTHROW;
extern void starpu_omp_set_dynamic (int dynamic_threads) __STARPU_OMP_NOTHROW;
extern int starpu_omp_get_dynamic (void) __STARPU_OMP_NOTHROW;
extern void starpu_omp_set_nested (int nested) __STARPU_OMP_NOTHROW;
extern int starpu_omp_get_nested (void) __STARPU_OMP_NOTHROW;
extern int starpu_omp_get_cancellation(void) __STARPU_OMP_NOTHROW;
extern void starpu_omp_set_schedule (starpu_omp_sched_t kind, int modifier) __STARPU_OMP_NOTHROW;
extern void starpu_omp_get_schedule (starpu_omp_sched_t *kind, int *modifier) __STARPU_OMP_NOTHROW;
extern int starpu_omp_get_thread_limit (void) __STARPU_OMP_NOTHROW;
extern void starpu_omp_set_max_active_levels (int max_levels) __STARPU_OMP_NOTHROW;
extern int starpu_omp_get_max_active_levels (void) __STARPU_OMP_NOTHROW;
extern int starpu_omp_get_level (void) __STARPU_OMP_NOTHROW;
extern int starpu_omp_get_ancestor_thread_num (int level) __STARPU_OMP_NOTHROW;
extern int starpu_omp_get_team_size (int level) __STARPU_OMP_NOTHROW;
extern int starpu_omp_get_active_level (void) __STARPU_OMP_NOTHROW;
extern int starpu_omp_in_final(void) __STARPU_OMP_NOTHROW;
extern starpu_omp_proc_bind_t starpu_omp_get_proc_bind(void) __STARPU_OMP_NOTHROW;
extern void starpu_omp_set_default_device(int device_num) __STARPU_OMP_NOTHROW;
extern int starpu_omp_get_default_device(void) __STARPU_OMP_NOTHROW;
extern int starpu_omp_get_num_devices(void) __STARPU_OMP_NOTHROW;
extern int starpu_omp_get_num_teams(void) __STARPU_OMP_NOTHROW;
extern int starpu_omp_get_team_num(void) __STARPU_OMP_NOTHROW;
extern int starpu_omp_is_initial_device(void) __STARPU_OMP_NOTHROW;
extern void starpu_omp_init_lock (starpu_omp_lock_t *lock) __STARPU_OMP_NOTHROW;
extern void starpu_omp_destroy_lock (starpu_omp_lock_t *lock) __STARPU_OMP_NOTHROW;
extern void starpu_omp_set_lock (starpu_omp_lock_t *lock) __STARPU_OMP_NOTHROW;
extern void starpu_omp_unset_lock (starpu_omp_lock_t *lock) __STARPU_OMP_NOTHROW;
extern int starpu_omp_test_lock (starpu_omp_lock_t *lock) __STARPU_OMP_NOTHROW;
extern void starpu_omp_init_nest_lock (starpu_omp_nest_lock_t *lock) __STARPU_OMP_NOTHROW;
extern void starpu_omp_destroy_nest_lock (starpu_omp_nest_lock_t *lock) __STARPU_OMP_NOTHROW;
extern void starpu_omp_set_nest_lock (starpu_omp_nest_lock_t *lock) __STARPU_OMP_NOTHROW;
extern void starpu_omp_unset_nest_lock (starpu_omp_nest_lock_t *lock) __STARPU_OMP_NOTHROW;
extern int starpu_omp_test_nest_lock (starpu_omp_nest_lock_t *lock) __STARPU_OMP_NOTHROW;
extern double starpu_omp_get_wtime (void) __STARPU_OMP_NOTHROW;
extern double starpu_omp_get_wtick (void) __STARPU_OMP_NOTHROW;

#ifdef __cplusplus
}
#endif

#endif /* STARPU_USE_OPENMP && !STARPU_DONT_INCLUDE_OPENMP_HEADERS */
#endif /* __STARPU_OPENMP_H__ */