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openacc.h
/* OpenACC Runtime Library User-facing Declarations Copyright (C) 2013-2021 Free Software Foundation, Inc. Contributed by Mentor Embedded. This file is part of the GNU Offloading and Multi Processing Library (libgomp). Libgomp 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. Libgomp 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/>. */ #ifndef _OPENACC_H #define _OPENACC_H 1 /* The OpenACC standard is silent on whether or not including <openacc.h> might or must not include other header files. We chose to include some. */ #include <stddef.h> #ifdef __cplusplus extern "C" { #endif #if __cplusplus >= 201103 # define __GOACC_NOTHROW noexcept #elif __cplusplus # define __GOACC_NOTHROW throw () #else /* Not C++ */ # define __GOACC_NOTHROW __attribute__ ((__nothrow__)) #endif /* Types */ typedef enum acc_device_t { /* Keep in sync with include/gomp-constants.h. */ acc_device_current = -1, acc_device_none = 0, acc_device_default = 1, acc_device_host = 2, /* acc_device_host_nonshm = 3 removed. */ acc_device_not_host = 4, acc_device_nvidia = 5, acc_device_radeon = 8, _ACC_device_hwm, /* Ensure enumeration is layout compatible with int. */ _ACC_highest = __INT_MAX__, _ACC_neg = -1 } acc_device_t; typedef enum acc_device_property_t { /* Keep in sync with 'libgomp/libgomp-plugin.h:goacc_property'. */ acc_property_memory = 1, acc_property_free_memory = 2, acc_property_name = 0x10001, acc_property_vendor = 0x10002, acc_property_driver = 0x10003 } acc_device_property_t; typedef enum acc_async_t { /* Keep in sync with include/gomp-constants.h. */ acc_async_noval = -1, acc_async_sync = -2 } acc_async_t; int acc_get_num_devices (acc_device_t) __GOACC_NOTHROW; void acc_set_device_type (acc_device_t) __GOACC_NOTHROW; acc_device_t acc_get_device_type (void) __GOACC_NOTHROW; void acc_set_device_num (int, acc_device_t) __GOACC_NOTHROW; int acc_get_device_num (acc_device_t) __GOACC_NOTHROW; size_t acc_get_property (int, acc_device_t, acc_device_property_t) __GOACC_NOTHROW; const char *acc_get_property_string (int, acc_device_t, acc_device_property_t) __GOACC_NOTHROW; int acc_async_test (int) __GOACC_NOTHROW; int acc_async_test_all (void) __GOACC_NOTHROW; void acc_wait (int) __GOACC_NOTHROW; void acc_async_wait (int) __GOACC_NOTHROW; void acc_wait_async (int, int) __GOACC_NOTHROW; void acc_wait_all (void) __GOACC_NOTHROW; void acc_async_wait_all (void) __GOACC_NOTHROW; void acc_wait_all_async (int) __GOACC_NOTHROW; void acc_init (acc_device_t) __GOACC_NOTHROW; void acc_shutdown (acc_device_t) __GOACC_NOTHROW; #ifdef __cplusplus int acc_on_device (int __arg) __GOACC_NOTHROW; #else int acc_on_device (acc_device_t __arg) __GOACC_NOTHROW; #endif void *acc_malloc (size_t) __GOACC_NOTHROW; void acc_free (void *) __GOACC_NOTHROW; /* Some of these would be more correct with const qualifiers, but the standard specifies otherwise. */ void *acc_copyin (void *, size_t) __GOACC_NOTHROW; void *acc_present_or_copyin (void *, size_t) __GOACC_NOTHROW; void *acc_pcopyin (void *, size_t) __GOACC_NOTHROW; void *acc_create (void *, size_t) __GOACC_NOTHROW; void *acc_present_or_create (void *, size_t) __GOACC_NOTHROW; void *acc_pcreate (void *, size_t) __GOACC_NOTHROW; void acc_copyout (void *, size_t) __GOACC_NOTHROW; void acc_delete (void *, size_t) __GOACC_NOTHROW; void acc_update_device (void *, size_t) __GOACC_NOTHROW; void acc_update_self (void *, size_t) __GOACC_NOTHROW; void acc_map_data (void *, void *, size_t) __GOACC_NOTHROW; void acc_unmap_data (void *) __GOACC_NOTHROW; void *acc_deviceptr (void *) __GOACC_NOTHROW; void *acc_hostptr (void *) __GOACC_NOTHROW; int acc_is_present (void *, size_t) __GOACC_NOTHROW; void acc_memcpy_to_device (void *, void *, size_t) __GOACC_NOTHROW; void acc_memcpy_from_device (void *, void *, size_t) __GOACC_NOTHROW; void acc_attach (void **) __GOACC_NOTHROW; void acc_attach_async (void **, int) __GOACC_NOTHROW; void acc_detach (void **) __GOACC_NOTHROW; void acc_detach_async (void **, int) __GOACC_NOTHROW; /* Finalize versions of copyout/delete functions, specified in OpenACC 2.5. */ void acc_copyout_finalize (void *, size_t) __GOACC_NOTHROW; void acc_copyout_finalize_async (void *, size_t, int) __GOACC_NOTHROW; void acc_delete_finalize (void *, size_t) __GOACC_NOTHROW; void acc_delete_finalize_async (void *, size_t, int) __GOACC_NOTHROW; void acc_detach_finalize (void **) __GOACC_NOTHROW; void acc_detach_finalize_async (void **, int) __GOACC_NOTHROW; /* Async functions, specified in OpenACC 2.5. */ void acc_copyin_async (void *, size_t, int) __GOACC_NOTHROW; void acc_create_async (void *, size_t, int) __GOACC_NOTHROW; void acc_copyout_async (void *, size_t, int) __GOACC_NOTHROW; void acc_delete_async (void *, size_t, int) __GOACC_NOTHROW; void acc_update_device_async (void *, size_t, int) __GOACC_NOTHROW; void acc_update_self_async (void *, size_t, int) __GOACC_NOTHROW; void acc_memcpy_to_device_async (void *, void *, size_t, int) __GOACC_NOTHROW; void acc_memcpy_from_device_async (void *, void *, size_t, int) __GOACC_NOTHROW; /* CUDA-specific routines. */ void *acc_get_current_cuda_device (void) __GOACC_NOTHROW; void *acc_get_current_cuda_context (void) __GOACC_NOTHROW; void *acc_get_cuda_stream (int) __GOACC_NOTHROW; int acc_set_cuda_stream (int, void *) __GOACC_NOTHROW; #ifdef __cplusplus } /* Forwarding function with correctly typed arg. */ #pragma acc routine seq inline int acc_on_device (acc_device_t __arg) __GOACC_NOTHROW { return acc_on_device ((int) __arg); } #endif #endif /* _OPENACC_H */
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