| Dileep Marchya | de0339e | 2015-06-12 18:14:21 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2015, The Linux Foundation. All rights reserved. |
| 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without modification, are permitted |
| 5 | * provided that the following conditions are met: |
| 6 | * * Redistributions of source code must retain the above copyright notice, this list of |
| 7 | * conditions and the following disclaimer. |
| 8 | * * Redistributions in binary form must reproduce the above copyright notice, this list of |
| 9 | * conditions and the following disclaimer in the documentation and/or other materials provided |
| 10 | * with the distribution. |
| 11 | * * Neither the name of The Linux Foundation nor the names of its contributors may be used to |
| 12 | * endorse or promote products derived from this software without specific prior written |
| 13 | * permission. |
| 14 | * |
| 15 | * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 16 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 17 | * NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE |
| 18 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| 19 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
| 20 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| 21 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 22 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 23 | */ |
| 24 | |
| 25 | #ifndef __SYS_H__ |
| 26 | #define __SYS_H__ |
| 27 | |
| 28 | #include <stdio.h> |
| 29 | #include <stdlib.h> |
| 30 | #include <poll.h> |
| 31 | |
| 32 | namespace sdm { |
| 33 | |
| 34 | class Sys { |
| 35 | public: |
| 36 | // Pointers to system calls which are either mapped to actual system call or virtual driver. |
| 37 | typedef int (*ioctl)(int, int, ...); |
| 38 | typedef int (*open)(const char *, int, ...); |
| 39 | typedef int (*close)(int); |
| 40 | typedef int (*poll)(struct pollfd *, nfds_t, int); |
| 41 | typedef ssize_t (*pread)(int, void *, size_t, off_t); |
| 42 | typedef ssize_t (*pwrite)(int, const void *, size_t, off_t); |
| 43 | typedef FILE* (*fopen)( const char *fname, const char *mode); |
| 44 | typedef int (*fclose)(FILE* fileptr); |
| 45 | typedef ssize_t (*getline)(char **lineptr, size_t *linelen, FILE *stream); |
| 46 | |
| 47 | static ioctl ioctl_; |
| 48 | static open open_; |
| 49 | static close close_; |
| 50 | static poll poll_; |
| 51 | static pread pread_; |
| 52 | static pwrite pwrite_; |
| 53 | static fopen fopen_; |
| 54 | static fclose fclose_; |
| 55 | static getline getline_; |
| 56 | }; |
| 57 | |
| 58 | } // namespace sdm |
| 59 | |
| 60 | #endif // __SYS_H__ |