107 lines
3.3 KiB
Fortran
107 lines
3.3 KiB
Fortran
! OpenACC Runtime Library Definitions.
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! Copyright (C) 2014-2021 Free Software Foundation, Inc.
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! Contributed by Tobias Burnus <burnus@net-b.de>
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! and Mentor Embedded.
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! This file is part of the GNU Offloading and Multi Processing Library
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! (libgomp).
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! Libgomp is free software; you can redistribute it and/or modify it
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! under the terms of the GNU General Public License as published by
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! the Free Software Foundation; either version 3, or (at your option)
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! any later version.
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! Libgomp is distributed in the hope that it will be useful, but WITHOUT ANY
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! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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! FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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! more details.
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! Under Section 7 of GPL version 3, you are granted additional
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! permissions described in the GCC Runtime Library Exception, version
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! 3.1, as published by the Free Software Foundation.
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! You should have received a copy of the GNU General Public License and
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! a copy of the GCC Runtime Library Exception along with this program;
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! see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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! <http://www.gnu.org/licenses/>.
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! Wrapper functions will be built from openacc.f90. We use a separate file
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! here, because for using ../../openacc.f90, implementations are required for
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! all the functions that it wraps, which we currently don't provide, so linking
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! would fail.
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module openacc_kinds
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use iso_fortran_env, only: int32
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implicit none
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public
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private :: int32
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! When adding items, also update 'public' setting in 'module openacc' below.
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integer, parameter :: acc_device_kind = int32
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! Keep in sync with include/gomp-constants.h.
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integer (acc_device_kind), parameter :: acc_device_current = -1
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integer (acc_device_kind), parameter :: acc_device_none = 0
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integer (acc_device_kind), parameter :: acc_device_default = 1
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integer (acc_device_kind), parameter :: acc_device_host = 2
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! integer (acc_device_kind), parameter :: acc_device_host_nonshm = 3 removed.
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integer (acc_device_kind), parameter :: acc_device_not_host = 4
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integer (acc_device_kind), parameter :: acc_device_nvidia = 5
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integer (acc_device_kind), parameter :: acc_device_radeon = 8
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end module openacc_kinds
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module openacc_internal
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use openacc_kinds
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implicit none
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interface
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function acc_on_device_h (devicetype)
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import
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integer (acc_device_kind) devicetype
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logical acc_on_device_h
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end function
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end interface
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interface
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function acc_on_device_l (devicetype) &
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bind (C, name = "acc_on_device")
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use iso_c_binding, only: c_int
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integer (c_int) :: acc_on_device_l
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integer (c_int), value :: devicetype
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end function
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end interface
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end module openacc_internal
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module openacc
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use openacc_kinds
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use openacc_internal
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implicit none
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private
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! From openacc_kinds
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public :: acc_device_kind
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public :: acc_device_none, acc_device_default, acc_device_host
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public :: acc_device_not_host, acc_device_nvidia, acc_device_radeon
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public :: acc_on_device
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interface acc_on_device
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procedure :: acc_on_device_h
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end interface
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end module openacc
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function acc_on_device_h (devicetype)
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use openacc_internal, only: acc_on_device_l
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use openacc_kinds
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integer (acc_device_kind) devicetype
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logical acc_on_device_h
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acc_on_device_h = acc_on_device_l (devicetype) /= 0
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end function
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