dynare/mex/sources/pthread.F08

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! Copyright © 2022-2023 Dynare Team
!
! This file is part of Dynare.
!
! Dynare 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 of the License, or
! (at your option) any later version.
!
! Dynare 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.
!
! You should have received a copy of the GNU General Public License
! along with Dynare. If not, see <https://www.gnu.org/licenses/>.
! Wrapper around pthread_create and pthread_join C routines for POSIX multithreading
module pthread
use iso_c_binding
implicit none (type, external)
private
public :: c_pthread_create
public :: c_pthread_join
! SIZEOF_PTHREAD_T is set by the AC_CHECK_SIZEOF routine
integer, parameter :: pthread_size = SIZEOF_PTHREAD_T
type, bind(c), public :: c_pthread_t
private
character(kind=c_char) :: hidden(pthread_size)
end type c_pthread_t
interface
function c_pthread_create(thread, attr, start_routine, arg) bind(c, name='pthread_create')
import :: c_int, c_ptr, c_funptr, c_pthread_t
implicit none
type(c_pthread_t), intent(inout) :: thread
type(c_ptr), intent(in), value :: attr
type(c_funptr), intent(in), value :: start_routine
type(c_ptr), intent(in), value :: arg
integer(kind=c_int) :: c_pthread_create
end function c_pthread_create
function c_pthread_join(thread, value_ptr) bind(c, name='pthread_join')
import :: c_int, c_ptr, c_pthread_t
implicit none
type(c_pthread_t), intent(in), value :: thread
type(c_ptr), intent(in) :: value_ptr
integer(kind=c_int) :: c_pthread_join
end function c_pthread_join
end interface
end module pthread