| 1 | !> @file posix_interface_mod.f90 |
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| 2 | !--------------------------------------------------------------------------------------------------! |
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| 3 | ! This file is part of the PALM model system. |
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| 4 | ! |
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| 5 | ! PALM is free software: you can redistribute it and/or modify it under the terms of the GNU General |
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| 6 | ! Public License as published by the Free Software Foundation, either version 3 of the License, or |
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| 7 | ! (at your option) any later version. |
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| 8 | ! |
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| 9 | ! PALM is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the |
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| 10 | ! implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General |
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| 11 | ! Public License for more details. |
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| 12 | ! |
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| 13 | ! You should have received a copy of the GNU General Public License along with PALM. If not, see |
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| 14 | ! <http://www.gnu.org/licenses/>. |
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| 15 | ! |
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| 16 | ! Copyright 1997-2021 Leibniz Universitaet Hannover |
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| 17 | !--------------------------------------------------------------------------------------------------! |
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| 18 | ! |
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| 19 | ! |
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| 20 | ! Current revisions: |
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| 21 | ! ----------------- |
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| 22 | ! |
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| 23 | ! |
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| 24 | ! Former revisions: |
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| 25 | ! ----------------- |
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| 26 | ! $Id: posix_interface_mod.f90 4828 2021-01-05 11:21:41Z banzhafs $ |
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| 27 | ! Routine fortran_sleep moved from old module posix_calls_from_fortran to here |
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| 28 | ! |
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| 29 | ! 4649 2020-08-25 12:11:17Z raasch |
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| 30 | ! File re-formatted to follow the PALM coding standard |
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| 31 | ! |
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| 32 | ! |
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| 33 | ! 4628 2020-07-29 07:23:03Z raasch |
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| 34 | ! Extensions required for MPI-I/O of particle data to restart files |
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| 35 | ! |
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| 36 | ! 4495 2020-04-13 20:11:20Z raasch |
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| 37 | ! Initial version (K. Ketelsen) |
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| 38 | ! |
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| 39 | ! |
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| 40 | !--------------------------------------------------------------------------------------------------! |
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| 41 | ! Description: |
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| 42 | ! ------------ |
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| 43 | !> Interface to some POSIX system calls, mainly used for read/write of restart files in non-parallel |
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| 44 | !> mode in MPI-IO compatible format. |
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| 45 | !--------------------------------------------------------------------------------------------------! |
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| 46 | MODULE posix_interface |
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| 47 | |
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| 48 | USE ISO_C_BINDING |
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| 49 | |
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| 50 | USE kinds |
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| 51 | |
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| 52 | IMPLICIT NONE |
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| 53 | |
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| 54 | PRIVATE |
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| 55 | |
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| 56 | SAVE |
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| 57 | |
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| 58 | ! |
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| 59 | !-- Definitions copied from C include file fcntl.h |
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| 60 | INTEGER, PARAMETER :: o_creat = 64 !< 0100 octal |
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| 61 | INTEGER, PARAMETER :: o_rdonly = 0 !< |
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| 62 | INTEGER, PARAMETER :: o_rdwr = 2 !< |
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| 63 | INTEGER, PARAMETER :: o_wronly = 1 !< |
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| 64 | INTEGER, PARAMETER :: seek_set = 0 !< |
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| 65 | |
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| 66 | |
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| 67 | ! |
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| 68 | !-- Interfaces for POSIX calls |
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| 69 | INTERFACE |
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| 70 | INTEGER(C_INT) FUNCTION C_OPEN( pathname, flags, mode ) BIND( C, NAME = 'open' ) |
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| 71 | USE ISO_C_BINDING |
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| 72 | IMPLICIT NONE |
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| 73 | CHARACTER(KIND=C_CHAR), DIMENSION(128) :: pathname !< |
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| 74 | INTEGER(KIND=C_INT), VALUE :: flags !< |
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| 75 | INTEGER(KIND=C_INT), VALUE :: mode !< |
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| 76 | END FUNCTION C_OPEN |
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| 77 | END INTERFACE |
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| 78 | |
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| 79 | INTERFACE |
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| 80 | INTEGER(C_SIZE_T) FUNCTION C_LSEEK( fd, offset, whence ) BIND( C, NAME = 'lseek' ) |
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| 81 | USE ISO_C_BINDING |
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| 82 | IMPLICIT NONE |
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| 83 | INTEGER(KIND=C_INT), VALUE :: fd !< |
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| 84 | INTEGER(KIND=C_SIZE_T), VALUE :: offset !< |
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| 85 | INTEGER(KIND=C_INT), VALUE :: whence !< |
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| 86 | END FUNCTION C_LSEEK |
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| 87 | END INTERFACE |
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| 88 | |
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| 89 | ! |
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| 90 | !-- The read system call uses values of type off_t. There is no Fortran C_OFF_T, therefore C_SIZE_T |
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| 91 | !-- has been used here, assuming both are 8 byte integers. |
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| 92 | INTERFACE |
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| 93 | INTEGER(C_SIZE_T) FUNCTION C_READ( fd, buf, nr_byte ) BIND(C, NAME = 'read' ) |
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| 94 | USE ISO_C_BINDING |
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| 95 | IMPLICIT NONE |
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| 96 | INTEGER(KIND=C_INT), VALUE :: fd !< |
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| 97 | INTEGER(KIND=C_SIZE_T), VALUE :: nr_byte !< |
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| 98 | TYPE(C_PTR), VALUE :: buf !< |
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| 99 | END FUNCTION C_READ |
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| 100 | END INTERFACE |
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| 101 | |
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| 102 | INTERFACE |
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| 103 | INTEGER(C_SIZE_T) FUNCTION C_WRITE( fd, buf, nr_byte ) BIND( C, NAME = 'write' ) |
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| 104 | USE ISO_C_BINDING |
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| 105 | IMPLICIT NONE |
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| 106 | INTEGER(KIND=C_INT), VALUE :: fd !< |
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| 107 | INTEGER(KIND=C_SIZE_T), VALUE :: nr_byte !< |
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| 108 | TYPE(C_PTR), VALUE :: buf !< |
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| 109 | END FUNCTION C_WRITE |
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| 110 | END INTERFACE |
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| 111 | |
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| 112 | INTERFACE |
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| 113 | INTEGER(C_INT) FUNCTION C_CLOSE( fd ) BIND( C, NAME = 'close' ) |
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| 114 | USE ISO_C_BINDING |
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| 115 | IMPLICIT NONE |
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| 116 | INTEGER(KIND=C_INT), VALUE :: fd !< |
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| 117 | END FUNCTION C_CLOSE |
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| 118 | END INTERFACE |
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| 119 | |
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| 120 | ! |
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| 121 | !-- Sleep function from C library |
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| 122 | INTERFACE |
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| 123 | FUNCTION fsleep( seconds ) BIND( C, NAME = 'sleep' ) |
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| 124 | IMPORT |
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| 125 | INTEGER(C_INT) :: fsleep !< |
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| 126 | INTEGER(C_INT), INTENT(IN), VALUE :: seconds !< |
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| 127 | END FUNCTION fsleep |
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| 128 | END INTERFACE |
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| 129 | |
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| 130 | ! |
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| 131 | !-- PALM interfaces |
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| 132 | INTERFACE fortran_sleep |
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| 133 | MODULE PROCEDURE fortran_sleep |
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| 134 | END INTERFACE fortran_sleep |
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| 135 | |
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| 136 | INTERFACE posix_close |
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| 137 | MODULE PROCEDURE posix_close |
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| 138 | END INTERFACE posix_close |
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| 139 | |
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| 140 | INTERFACE posix_lseek |
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| 141 | MODULE PROCEDURE posix_lseek |
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| 142 | END INTERFACE posix_lseek |
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| 143 | |
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| 144 | INTERFACE posix_open |
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| 145 | MODULE PROCEDURE posix_open |
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| 146 | END INTERFACE posix_open |
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| 147 | |
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| 148 | INTERFACE posix_read |
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| 149 | MODULE PROCEDURE posix_read |
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| 150 | MODULE PROCEDURE posix_read_char_array |
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| 151 | MODULE PROCEDURE posix_read_int_1d |
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| 152 | MODULE PROCEDURE posix_read_int_2d |
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| 153 | MODULE PROCEDURE posix_read_i4_3d |
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| 154 | MODULE PROCEDURE posix_read_i8_3d |
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| 155 | MODULE PROCEDURE posix_read_offset_1d |
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| 156 | MODULE PROCEDURE posix_read_real_1d |
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| 157 | MODULE PROCEDURE posix_read_real_2d |
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| 158 | MODULE PROCEDURE posix_read_real_3d |
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| 159 | END INTERFACE posix_read |
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| 160 | |
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| 161 | INTERFACE posix_write |
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| 162 | MODULE PROCEDURE posix_write |
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| 163 | MODULE PROCEDURE posix_write_char_array |
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| 164 | MODULE PROCEDURE posix_write_int_1d |
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| 165 | MODULE PROCEDURE posix_write_int_2d |
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| 166 | MODULE PROCEDURE posix_write_i4_3d |
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| 167 | MODULE PROCEDURE posix_write_i8_3d |
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| 168 | MODULE PROCEDURE posix_write_offset_1d |
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| 169 | MODULE PROCEDURE posix_write_real_1d |
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| 170 | MODULE PROCEDURE posix_write_real_2d |
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| 171 | MODULE PROCEDURE posix_write_real_3d |
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| 172 | END INTERFACE posix_write |
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| 173 | |
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| 174 | PUBLIC fortran_sleep, & |
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| 175 | posix_close, & |
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| 176 | posix_lseek, & |
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| 177 | posix_open, & |
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| 178 | posix_read, & |
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| 179 | posix_write |
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| 180 | |
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| 181 | CONTAINS |
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| 182 | |
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| 183 | !--------------------------------------------------------------------------------------------------! |
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| 184 | ! Description: |
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| 185 | ! ------------ |
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| 186 | !> Wait a specified amount of seconds |
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| 187 | !--------------------------------------------------------------------------------------------------! |
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| 188 | SUBROUTINE fortran_sleep( seconds ) |
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| 189 | |
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| 190 | INTEGER, INTENT(IN) :: seconds !< seconds to wait |
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| 191 | |
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| 192 | INTEGER(C_INT) :: seconds_in_c !< same as seconds |
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| 193 | INTEGER(C_INT) :: sleep_return_value !< returned value to sleep |
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| 194 | |
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| 195 | seconds_in_c = seconds |
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| 196 | |
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| 197 | sleep_return_value = fsleep( seconds_in_c ) |
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| 198 | |
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| 199 | END SUBROUTINE fortran_sleep |
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| 200 | |
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| 201 | |
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| 202 | INTEGER FUNCTION posix_open( file_name, rd_flag ) |
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| 203 | |
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| 204 | IMPLICIT NONE |
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| 205 | |
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| 206 | CHARACTER(LEN=*), INTENT(IN) :: file_name !< |
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| 207 | CHARACTER(LEN=1), DIMENSION(:), POINTER :: f_string !< |
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| 208 | CHARACTER(LEN=128), TARGET :: lo_file_name !< |
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| 209 | |
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| 210 | INTEGER(C_INT) :: fd !< |
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| 211 | INTEGER(C_INT) :: flags !< |
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| 212 | INTEGER(C_INT) :: name_len !< |
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| 213 | INTEGER(C_INT) :: mode !< |
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| 214 | INTEGER, DIMENSION(1) :: bufshape !< |
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| 215 | |
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| 216 | LOGICAL, INTENT(IN) :: rd_flag !< |
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| 217 | |
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| 218 | TYPE(C_PTR) :: ptr !< |
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| 219 | |
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| 220 | |
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| 221 | ! |
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| 222 | !-- Note: There might be better solutions to convert FORTRAN string to C string but this works on |
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| 223 | !-- different FORTRAN compiler |
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| 224 | name_len = LEN( TRIM( file_name ) ) + 1 |
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| 225 | lo_file_name = TRIM( file_name ) // CHAR( 0 ) |
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| 226 | ptr = C_LOC( lo_file_name(1:1) ) |
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| 227 | bufshape(1) = name_len |
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| 228 | CALL C_F_POINTER( ptr, f_string, bufshape ) |
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| 229 | |
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| 230 | mode = 420 ! Mode 644 |
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| 231 | |
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| 232 | IF ( rd_flag ) THEN |
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| 233 | flags = o_rdonly |
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| 234 | fd = C_OPEN( f_string, flags, mode ) ! Open for reading |
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| 235 | ELSE |
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| 236 | flags = o_wronly + o_creat |
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| 237 | fd = C_OPEN( f_string, flags, mode ) ! Open for writing |
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| 238 | ENDIF |
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| 239 | |
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| 240 | posix_open = fd |
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| 241 | |
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| 242 | END FUNCTION posix_open |
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| 243 | |
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| 244 | |
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| 245 | |
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| 246 | SUBROUTINE posix_lseek( fid, offset ) |
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| 247 | |
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| 248 | IMPLICIT NONE |
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| 249 | |
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| 250 | INTEGER, INTENT(IN) :: fid !< |
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| 251 | INTEGER(KIND=C_INT) :: my_fid !< |
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| 252 | INTEGER(KIND=C_SIZE_T), INTENT(IN) :: offset !< |
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| 253 | INTEGER(KIND=C_SIZE_T) :: retval !< |
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| 254 | INTEGER(KIND=C_INT) :: whence !< |
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| 255 | |
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| 256 | |
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| 257 | my_fid = fid |
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| 258 | whence = seek_set |
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| 259 | |
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| 260 | retval = C_LSEEK( my_fid, offset, whence ) |
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| 261 | |
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| 262 | END SUBROUTINE posix_lseek |
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| 263 | |
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| 264 | |
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| 265 | |
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| 266 | SUBROUTINE posix_read_int_1d( fid, data, nw ) |
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| 267 | |
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| 268 | IMPLICIT NONE |
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| 269 | |
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| 270 | INTEGER :: nr_byte !< |
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| 271 | INTEGER, INTENT(IN) :: fid !< |
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| 272 | INTEGER, INTENT(IN) :: nw !< |
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| 273 | INTEGER(KIND=iwp), INTENT(IN), TARGET, DIMENSION(:) :: data !< |
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| 274 | TYPE(C_PTR) :: buf !< |
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| 275 | |
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| 276 | |
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| 277 | nr_byte = nw*iwp |
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| 278 | buf = C_LOC( data ) |
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| 279 | |
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| 280 | CALL posix_read( fid, buf, nr_byte ) |
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| 281 | |
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| 282 | END SUBROUTINE posix_read_int_1d |
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| 283 | |
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| 284 | |
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| 285 | |
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| 286 | SUBROUTINE posix_read_int_2d( fid, data, nw ) |
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| 287 | |
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| 288 | IMPLICIT NONE |
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| 289 | |
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| 290 | INTEGER :: nr_byte !< |
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| 291 | INTEGER, INTENT(IN) :: fid !< |
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| 292 | INTEGER, INTENT(IN) :: nw !< |
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| 293 | INTEGER(KIND=iwp), INTENT(IN), TARGET, DIMENSION(:,:) :: data !< |
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| 294 | TYPE(C_PTR) :: buf !< |
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| 295 | |
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| 296 | |
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| 297 | nr_byte = nw * iwp |
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| 298 | buf = C_LOC( data ) |
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| 299 | |
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| 300 | CALL posix_read( fid, buf, nr_byte ) |
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| 301 | |
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| 302 | END SUBROUTINE posix_read_int_2d |
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| 303 | |
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| 304 | |
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| 305 | |
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| 306 | SUBROUTINE posix_read_i4_3d( fid, data, nw ) |
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| 307 | |
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| 308 | IMPLICIT NONE |
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| 309 | |
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| 310 | INTEGER :: nr_byte !< |
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| 311 | INTEGER, INTENT(IN) :: fid !< |
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| 312 | INTEGER, INTENT(IN) :: nw !< |
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| 313 | INTEGER(KIND=isp), INTENT(IN), TARGET, DIMENSION(:,:,:) :: data !< |
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| 314 | TYPE(C_PTR) :: buf !< |
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| 315 | |
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| 316 | |
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| 317 | nr_byte = nw * isp |
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| 318 | buf = C_LOC( data ) |
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| 319 | |
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| 320 | CALL posix_read( fid, buf, nr_byte ) |
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| 321 | |
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| 322 | END SUBROUTINE posix_read_i4_3d |
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| 323 | |
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| 324 | |
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| 325 | |
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| 326 | SUBROUTINE posix_read_i8_3d( fid, data, nw ) |
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| 327 | |
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| 328 | IMPLICIT NONE |
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| 329 | |
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| 330 | INTEGER :: nr_byte !< |
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| 331 | INTEGER, INTENT(IN) :: fid !< |
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| 332 | INTEGER, INTENT(IN) :: nw !< |
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| 333 | INTEGER(KIND=idp), INTENT(IN), TARGET, DIMENSION(:,:,:) :: data !< |
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| 334 | TYPE(C_PTR) :: buf !< |
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| 335 | |
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| 336 | |
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| 337 | nr_byte = nw * idp |
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| 338 | buf = C_LOC( data ) |
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| 339 | |
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| 340 | CALL posix_read( fid, buf, nr_byte ) |
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| 341 | |
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| 342 | END SUBROUTINE posix_read_i8_3d |
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| 343 | |
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| 344 | |
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| 345 | |
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| 346 | SUBROUTINE posix_read_offset_1d( fid, data, nw ) |
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| 347 | |
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| 348 | IMPLICIT NONE |
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| 349 | |
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| 350 | INTEGER :: nr_byte !< |
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| 351 | INTEGER, INTENT(IN) :: fid !< |
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| 352 | INTEGER, INTENT(IN) :: nw !< |
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| 353 | INTEGER(KIND=C_SIZE_T), INTENT(IN), TARGET, DIMENSION(:) :: data !< |
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| 354 | TYPE(C_PTR) :: buf !< |
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| 355 | |
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| 356 | |
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| 357 | nr_byte = nw * C_SIZE_T |
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| 358 | buf = C_LOC( data ) |
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| 359 | |
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| 360 | CALL posix_read( fid, buf, nr_byte ) |
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| 361 | |
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| 362 | END SUBROUTINE posix_read_offset_1d |
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| 363 | |
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| 364 | |
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| 365 | |
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| 366 | SUBROUTINE posix_read_real_1d( fid, data, nw ) |
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| 367 | |
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| 368 | IMPLICIT NONE |
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| 369 | |
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| 370 | INTEGER :: nr_byte !< |
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| 371 | INTEGER, INTENT(IN) :: fid !< |
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| 372 | INTEGER, INTENT(IN) :: nw !< |
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| 373 | |
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| 374 | REAL(KIND=wp), INTENT(IN), TARGET, DIMENSION(:) :: data !< |
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| 375 | |
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| 376 | TYPE(C_PTR) :: buf !< |
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| 377 | |
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| 378 | |
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| 379 | nr_byte = nw * wp |
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| 380 | buf = C_LOC( data ) |
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| 381 | |
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| 382 | CALL posix_read( fid, buf, nr_byte ) |
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| 383 | |
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| 384 | END SUBROUTINE posix_read_real_1d |
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| 385 | |
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| 386 | |
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| 387 | |
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| 388 | SUBROUTINE posix_read_real_2d( fid, data, nw ) |
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| 389 | |
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| 390 | IMPLICIT NONE |
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| 391 | |
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| 392 | INTEGER :: nr_byte !< |
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| 393 | INTEGER, INTENT(IN) :: fid !< |
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| 394 | INTEGER, INTENT(IN) :: nw !< |
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| 395 | |
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| 396 | REAL(KIND=wp), INTENT(INOUT), TARGET, DIMENSION(:,:) :: data !< |
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| 397 | |
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| 398 | TYPE(C_PTR) :: buf !< |
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| 399 | |
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| 400 | |
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| 401 | nr_byte = nw * wp |
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| 402 | buf = C_LOC( data ) |
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| 403 | |
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| 404 | CALL posix_read( fid, buf, nr_byte ) |
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| 405 | |
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| 406 | END SUBROUTINE posix_read_real_2d |
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| 407 | |
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| 408 | |
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| 409 | |
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| 410 | SUBROUTINE posix_read_real_3d( fid, data, nw ) |
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| 411 | |
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| 412 | IMPLICIT NONE |
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| 413 | |
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| 414 | INTEGER :: nr_byte !< |
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| 415 | INTEGER, INTENT(IN) :: fid !< |
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| 416 | INTEGER, INTENT(IN) :: nw !< |
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| 417 | |
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| 418 | REAL(KIND=wp), INTENT(INOUT), TARGET, DIMENSION(:,:,:) :: data !< |
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| 419 | |
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| 420 | TYPE(C_PTR) :: buf !< |
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| 421 | |
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| 422 | |
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| 423 | nr_byte = nw * wp |
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| 424 | buf = C_LOC( data ) |
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| 425 | |
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| 426 | CALL posix_read( fid, buf, nr_byte ) |
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| 427 | |
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| 428 | END SUBROUTINE posix_read_real_3d |
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| 429 | |
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| 430 | |
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| 431 | |
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| 432 | SUBROUTINE posix_read( fid, buf, nb ) |
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| 433 | |
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| 434 | IMPLICIT NONE |
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| 435 | |
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| 436 | INTEGER, INTENT(IN) :: fid !< |
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| 437 | INTEGER , INTENT(IN) :: nb !< |
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| 438 | INTEGER(KIND=C_INT) :: my_fid !< |
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| 439 | INTEGER(KIND=C_SIZE_T) :: nr_byte !< |
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| 440 | INTEGER(KIND=C_SIZE_T) :: retval !< |
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| 441 | |
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| 442 | TYPE(C_PTR) :: buf !< |
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| 443 | |
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| 444 | |
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| 445 | my_fid = fid |
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| 446 | nr_byte = nb |
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| 447 | |
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| 448 | retval = C_READ( my_fid, buf, nr_byte ) |
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| 449 | |
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| 450 | ! |
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| 451 | !-- The posix standard says that it is not guaranteed that all bytes are read in one read system |
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| 452 | !-- call. If retval is not equal to nr_byte, another system call has to be issued. |
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| 453 | !-- However, in all Unix distributions it is commonly accepted, that all bytes are read in one call |
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| 454 | !-- during during disk-IO. Therefore, here is only an error query and no reading in a while loop. |
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| 455 | IF ( retval /= nr_byte ) THEN |
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| 456 | WRITE( 6, * ) 'Number of bytes read does not match the number of requested bytes' |
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| 457 | CALL abort |
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| 458 | ENDIF |
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| 459 | |
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| 460 | END SUBROUTINE posix_read |
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| 461 | |
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| 462 | |
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| 463 | |
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| 464 | SUBROUTINE posix_read_char_array( fid, data ) |
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| 465 | |
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| 466 | IMPLICIT NONE |
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| 467 | |
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| 468 | CHARACTER(LEN=*), DIMENSION(:) :: data !< |
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| 469 | CHARACTER(LEN=LEN(data)), TARGET :: data_buf !< |
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| 470 | |
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| 471 | INTEGER :: i !< |
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| 472 | INTEGER, INTENT(IN) :: fid !< |
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| 473 | INTEGER(KIND=C_INT) :: my_fid !< |
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| 474 | INTEGER(KIND=C_SIZE_T) :: name_len !< |
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| 475 | INTEGER(KIND=C_SIZE_T) :: retval !< |
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| 476 | |
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| 477 | TYPE(C_PTR) :: ptr !< |
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| 478 | |
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| 479 | |
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| 480 | my_fid = fid |
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| 481 | |
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| 482 | DO i = 1, SIZE( data ) |
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| 483 | data_buf = data(i) |
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| 484 | name_len = LEN( data(i) ) |
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| 485 | ptr = C_LOC( data_buf(1:1) ) |
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| 486 | retval = C_READ( my_fid, ptr, name_len ) |
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| 487 | data(i) = data_buf |
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| 488 | ENDDO |
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| 489 | |
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| 490 | END SUBROUTINE posix_read_char_array |
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| 491 | |
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| 492 | |
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| 493 | |
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| 494 | SUBROUTINE posix_write_int_1d( fid, data, nw ) |
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| 495 | |
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| 496 | IMPLICIT NONE |
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| 497 | |
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| 498 | INTEGER, INTENT(IN) :: fid !< |
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| 499 | INTEGER ,INTENT(IN) :: nw !< |
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| 500 | INTEGER(KIND=C_INT) :: my_fid !< |
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| 501 | INTEGER(KIND=C_SIZE_T) :: nr_byte !< |
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| 502 | INTEGER(KIND=C_SIZE_T) :: retval !< |
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| 503 | |
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| 504 | INTEGER(KIND=iwp), INTENT(IN), TARGET, DIMENSION(:) :: data !< |
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| 505 | |
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| 506 | TYPE(C_PTR) :: buf !< |
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| 507 | |
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| 508 | |
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| 509 | my_fid = fid |
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| 510 | nr_byte = nw * iwp |
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| 511 | buf = C_LOC( data ) |
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| 512 | |
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| 513 | retval = C_WRITE( my_fid, buf, nr_byte ) |
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| 514 | |
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| 515 | END SUBROUTINE posix_write_int_1d |
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| 516 | |
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| 517 | |
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| 518 | |
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| 519 | SUBROUTINE posix_write_int_2d( fid, data, nw ) |
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| 520 | |
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| 521 | IMPLICIT NONE |
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| 522 | |
|---|
| 523 | INTEGER :: nr_byte !< |
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| 524 | INTEGER, INTENT(IN) :: fid !< |
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| 525 | INTEGER, INTENT(IN) :: nw !< |
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| 526 | |
|---|
| 527 | INTEGER(KIND=iwp), INTENT(IN), TARGET, DIMENSION(:,:) :: data !< |
|---|
| 528 | |
|---|
| 529 | TYPE(C_PTR) :: buf !< |
|---|
| 530 | |
|---|
| 531 | |
|---|
| 532 | nr_byte = nw * iwp |
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| 533 | buf = C_LOC( data ) |
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| 534 | |
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| 535 | CALL posix_write( fid, buf, nr_byte ) |
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| 536 | |
|---|
| 537 | END SUBROUTINE posix_write_int_2d |
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| 538 | |
|---|
| 539 | |
|---|
| 540 | |
|---|
| 541 | SUBROUTINE posix_write_i4_3d( fid, data, nw ) |
|---|
| 542 | |
|---|
| 543 | IMPLICIT NONE |
|---|
| 544 | |
|---|
| 545 | INTEGER :: nr_byte !< |
|---|
| 546 | INTEGER, INTENT(IN) :: fid !< |
|---|
| 547 | INTEGER, INTENT(IN) :: nw !< |
|---|
| 548 | |
|---|
| 549 | INTEGER(KIND=isp), INTENT(IN), TARGET, DIMENSION(:,:,:) :: data !< |
|---|
| 550 | |
|---|
| 551 | TYPE(C_PTR) :: buf !< |
|---|
| 552 | |
|---|
| 553 | |
|---|
| 554 | nr_byte = nw * isp |
|---|
| 555 | buf = C_LOC( data ) |
|---|
| 556 | |
|---|
| 557 | CALL posix_write( fid, buf, nr_byte ) |
|---|
| 558 | |
|---|
| 559 | END SUBROUTINE posix_write_i4_3d |
|---|
| 560 | |
|---|
| 561 | |
|---|
| 562 | |
|---|
| 563 | SUBROUTINE posix_write_i8_3d( fid, data, nw ) |
|---|
| 564 | |
|---|
| 565 | IMPLICIT NONE |
|---|
| 566 | |
|---|
| 567 | INTEGER :: nr_byte !< |
|---|
| 568 | INTEGER, INTENT(IN) :: fid !< |
|---|
| 569 | INTEGER, INTENT(IN) :: nw !< |
|---|
| 570 | |
|---|
| 571 | INTEGER(KIND=idp), INTENT(IN), TARGET, DIMENSION(:,:,:) :: data !< |
|---|
| 572 | |
|---|
| 573 | TYPE(C_PTR) :: buf !< |
|---|
| 574 | |
|---|
| 575 | |
|---|
| 576 | nr_byte = nw * idp |
|---|
| 577 | buf = C_LOC( data ) |
|---|
| 578 | |
|---|
| 579 | CALL posix_write( fid, buf, nr_byte ) |
|---|
| 580 | |
|---|
| 581 | END SUBROUTINE posix_write_i8_3d |
|---|
| 582 | |
|---|
| 583 | |
|---|
| 584 | |
|---|
| 585 | SUBROUTINE posix_write_offset_1d( fid, data, nw ) |
|---|
| 586 | |
|---|
| 587 | IMPLICIT NONE |
|---|
| 588 | |
|---|
| 589 | INTEGER :: nr_byte !< |
|---|
| 590 | INTEGER, INTENT(IN) :: fid !< |
|---|
| 591 | INTEGER, INTENT(IN) :: nw !< |
|---|
| 592 | |
|---|
| 593 | INTEGER(KIND=C_SIZE_T), INTENT(IN), TARGET, DIMENSION(:) :: data !< |
|---|
| 594 | |
|---|
| 595 | TYPE(C_PTR) :: buf !< |
|---|
| 596 | |
|---|
| 597 | |
|---|
| 598 | nr_byte = nw * STORAGE_SIZE( data(1) ) / 8 |
|---|
| 599 | buf = C_LOC( data ) |
|---|
| 600 | |
|---|
| 601 | CALL posix_write(fid, buf, nr_byte ) |
|---|
| 602 | |
|---|
| 603 | END SUBROUTINE posix_write_offset_1d |
|---|
| 604 | |
|---|
| 605 | |
|---|
| 606 | |
|---|
| 607 | SUBROUTINE posix_write_real_1d( fid, data, nw ) |
|---|
| 608 | |
|---|
| 609 | IMPLICIT NONE |
|---|
| 610 | |
|---|
| 611 | INTEGER :: nr_byte !< |
|---|
| 612 | INTEGER, INTENT(IN) :: fid !< |
|---|
| 613 | INTEGER, INTENT(IN) :: nw !< |
|---|
| 614 | |
|---|
| 615 | REAL(KIND=wp), INTENT(IN), TARGET, DIMENSION(:) :: data !< |
|---|
| 616 | |
|---|
| 617 | TYPE(C_PTR) :: buf !< |
|---|
| 618 | |
|---|
| 619 | |
|---|
| 620 | nr_byte = nw * wp |
|---|
| 621 | buf = C_LOC( data ) |
|---|
| 622 | |
|---|
| 623 | CALL posix_write( fid, buf, nr_byte ) |
|---|
| 624 | |
|---|
| 625 | END SUBROUTINE posix_write_real_1d |
|---|
| 626 | |
|---|
| 627 | |
|---|
| 628 | |
|---|
| 629 | SUBROUTINE posix_write_real_2d( fid, data, nw ) |
|---|
| 630 | |
|---|
| 631 | IMPLICIT NONE |
|---|
| 632 | |
|---|
| 633 | INTEGER :: nr_byte !< |
|---|
| 634 | INTEGER, INTENT(IN) :: fid !< |
|---|
| 635 | INTEGER, INTENT(IN) :: nw !< |
|---|
| 636 | |
|---|
| 637 | REAL(KIND=wp), INTENT(INOUT), TARGET, DIMENSION(:,:) :: data !< |
|---|
| 638 | |
|---|
| 639 | TYPE(C_PTR) :: buf !< |
|---|
| 640 | |
|---|
| 641 | |
|---|
| 642 | nr_byte = nw * wp |
|---|
| 643 | buf = C_LOC( data ) |
|---|
| 644 | |
|---|
| 645 | CALL posix_write( fid, buf, nr_byte ) |
|---|
| 646 | |
|---|
| 647 | END SUBROUTINE posix_write_real_2d |
|---|
| 648 | |
|---|
| 649 | |
|---|
| 650 | |
|---|
| 651 | SUBROUTINE posix_write_real_3d( fid, data, nw ) |
|---|
| 652 | |
|---|
| 653 | IMPLICIT NONE |
|---|
| 654 | |
|---|
| 655 | INTEGER :: nr_byte !< |
|---|
| 656 | INTEGER, INTENT(IN) :: fid !< |
|---|
| 657 | INTEGER, INTENT(IN) :: nw !< |
|---|
| 658 | |
|---|
| 659 | REAL(KIND=wp), INTENT(INOUT), TARGET, DIMENSION(:,:,:) :: data !< |
|---|
| 660 | |
|---|
| 661 | TYPE(C_PTR) :: buf !< |
|---|
| 662 | |
|---|
| 663 | |
|---|
| 664 | nr_byte = nw * wp |
|---|
| 665 | buf = C_LOC( data ) |
|---|
| 666 | |
|---|
| 667 | CALL posix_write( fid, buf, nr_byte ) |
|---|
| 668 | |
|---|
| 669 | END SUBROUTINE posix_write_real_3d |
|---|
| 670 | |
|---|
| 671 | |
|---|
| 672 | |
|---|
| 673 | SUBROUTINE posix_write( fid, buf, nb ) |
|---|
| 674 | |
|---|
| 675 | IMPLICIT NONE |
|---|
| 676 | |
|---|
| 677 | INTEGER, INTENT(IN) :: fid !< |
|---|
| 678 | INTEGER , INTENT(IN) :: nb !< |
|---|
| 679 | INTEGER(KIND=C_INT) :: my_fid !< |
|---|
| 680 | INTEGER(KIND=C_SIZE_T) :: nr_byte !< |
|---|
| 681 | INTEGER(KIND=C_SIZE_T) :: retval !< |
|---|
| 682 | |
|---|
| 683 | TYPE(C_PTR) :: buf !< |
|---|
| 684 | |
|---|
| 685 | |
|---|
| 686 | my_fid = fid |
|---|
| 687 | nr_byte = nb |
|---|
| 688 | |
|---|
| 689 | retval = C_WRITE( my_fid, buf, nr_byte ) |
|---|
| 690 | |
|---|
| 691 | IF ( retval /= nr_byte ) THEN |
|---|
| 692 | WRITE( 6, * ) 'Number of bytes to write does not match the number of requested bytes' |
|---|
| 693 | CALL abort |
|---|
| 694 | ENDIF |
|---|
| 695 | |
|---|
| 696 | END SUBROUTINE posix_write |
|---|
| 697 | |
|---|
| 698 | |
|---|
| 699 | |
|---|
| 700 | SUBROUTINE posix_write_char_array( fid, data ) |
|---|
| 701 | |
|---|
| 702 | IMPLICIT NONE |
|---|
| 703 | |
|---|
| 704 | CHARACTER(LEN=*), DIMENSION(:) :: data !< |
|---|
| 705 | CHARACTER(LEN=LEN(data)+1), TARGET :: data_buf !< |
|---|
| 706 | |
|---|
| 707 | INTEGER :: i !< |
|---|
| 708 | INTEGER, INTENT(IN) :: fid !< |
|---|
| 709 | INTEGER(KIND=C_INT) :: my_fid !< |
|---|
| 710 | INTEGER(KIND=C_SIZE_T) :: name_len !< |
|---|
| 711 | INTEGER(KIND=C_SIZE_T) :: retval !< |
|---|
| 712 | |
|---|
| 713 | TYPE(C_PTR) :: ptr !< |
|---|
| 714 | |
|---|
| 715 | |
|---|
| 716 | my_fid = fid |
|---|
| 717 | |
|---|
| 718 | DO i = 1, SIZE( data ) |
|---|
| 719 | data_buf = data(i) // CHAR( 0 ) |
|---|
| 720 | name_len = LEN( data(i) ) |
|---|
| 721 | ptr = C_LOC( data_buf(1:1) ) |
|---|
| 722 | retval = C_WRITE( my_fid, ptr, name_len ) |
|---|
| 723 | ENDDO |
|---|
| 724 | |
|---|
| 725 | END SUBROUTINE posix_write_char_array |
|---|
| 726 | |
|---|
| 727 | |
|---|
| 728 | |
|---|
| 729 | SUBROUTINE posix_close( fid ) |
|---|
| 730 | |
|---|
| 731 | IMPLICIT NONE |
|---|
| 732 | |
|---|
| 733 | INTEGER, INTENT(IN) :: fid !< |
|---|
| 734 | INTEGER(KIND=C_INT) :: my_fid !< |
|---|
| 735 | INTEGER(KIND=C_INT) :: retval !< |
|---|
| 736 | |
|---|
| 737 | |
|---|
| 738 | my_fid = fid |
|---|
| 739 | |
|---|
| 740 | retval = C_CLOSE( my_fid ) |
|---|
| 741 | |
|---|
| 742 | END SUBROUTINE posix_close |
|---|
| 743 | |
|---|
| 744 | |
|---|
| 745 | END MODULE posix_interface |
|---|
