| /* Copyright (C) 2020 Free Software Foundation, Inc. |
| Contributed by Nicolas Koenig |
| |
| This file is part of the GNU Fortran Native Coarray Library (libnca). |
| |
| Libnca 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. |
| |
| Libnca 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 UTIL_HDR |
| #define UTIL_HDR |
| |
| #include <pthread.h> |
| #include <limits.h> |
| #include <assert.h> |
| #include <sys/types.h> |
| #include <unistd.h> |
| |
| #define CAS_DEBUG_PR(str, ...) dprintf(2, "Image %d (pid %ld):\t" str "\n", this_image.image_num, (unsigned long) getpid(), ##__VA_ARGS__) |
| |
| #define PTR_BITS (CHAR_BIT*sizeof(void *)) |
| |
| size_t alignto (size_t, size_t); |
| internal_proto (alignto); |
| |
| size_t round_to_pagesize (size_t); |
| internal_proto (round_to_pagesize); |
| |
| size_t next_power_of_two (size_t); |
| internal_proto (next_power_of_two); |
| |
| int get_shmem_fd (void); |
| internal_proto (get_shmem_fd); |
| |
| void initialize_shared_mutex (pthread_mutex_t *); |
| internal_proto (initialize_shared_mutex); |
| |
| void initialize_shared_condition (pthread_cond_t *); |
| internal_proto (initialize_shared_condition); |
| |
| extern size_t pagesize; |
| internal_proto (pagesize); |
| |
| /* Usage: |
| pack_info pi; |
| packed = pack_array_prepare (&pi, source); |
| |
| // Awesome allocation of destptr using pi.num_elem |
| if (packed) |
| memcpy (...); |
| else |
| pack_array_finish (&pi, source, destptr); |
| |
| This could also be used in in_pack_generic.c. Additionally, since |
| pack_array_prepare is the same for all type sizes, we would only have to |
| specialize pack_array_finish, saving on code size. */ |
| |
| typedef struct |
| { |
| index_type num_elem; |
| index_type extent[GFC_MAX_DIMENSIONS]; |
| index_type stride[GFC_MAX_DIMENSIONS]; /* Stride is byte-based. */ |
| } pack_info; |
| |
| bool pack_array_prepare (pack_info *restrict, const gfc_array_char * restrict); |
| internal_proto (pack_array_prepare); |
| |
| void pack_array_finish (pack_info * const restrict, const gfc_array_char * const restrict, |
| char * restrict); |
| |
| internal_proto (pack_array_finish); |
| |
| void unpack_array_finish (pack_info * const restrict, const gfc_array_char * const, |
| const char * restrict); |
| internal_proto (unpack_array_finish); |
| |
| #endif |