1 /* 2 * Copyright (c) 2023 Institute of Parallel And Distributed Systems (IPADS), Shanghai Jiao Tong University (SJTU) 3 * Licensed under the Mulan PSL v2. 4 * You can use this software according to the terms and conditions of the Mulan PSL v2. 5 * You may obtain a copy of Mulan PSL v2 at: 6 * http://license.coscl.org.cn/MulanPSL2 7 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR 8 * IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR 9 * PURPOSE. 10 * See the Mulan PSL v2 for more details. 11 */ 12 13 #ifndef SYS_FILEIO_H 14 #define SYS_FILEIO_H 15 16 #include <stdint.h> 17 #include <stddef.h> 18 #include <fcntl.h> 19 20 #define TAFS_MOUNTPOINT "/tafs" 21 22 int32_t fileio_init(void); 23 int32_t open(const char *pathname, int32_t flags, ...); 24 int32_t close(int32_t fd); 25 ssize_t read(int32_t fd, void *buf, size_t count); 26 ssize_t write(int32_t fd, const void *buf, size_t count); 27 int32_t ftruncate(int32_t fd, int64_t length); 28 int32_t unlink(const char *pathname); 29 int32_t vfs_rename(int32_t fd, const char *new_name); 30 void *vfs_mmap(int32_t fd, uint64_t size, uint64_t off); 31 32 #endif 33