| 1 | /* |
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| 2 | * stat.h - User side file stat related syscalls definition. |
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| 3 | * |
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| 4 | * Author Alain Greiner (2016,2017,2018) |
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| 5 | * |
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| 6 | * Copyright (c) UPMC Sorbonne Universites |
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| 7 | * |
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| 8 | * This file is part of ALMOS-MKH. |
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| 9 | * |
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| 10 | * ALMOS-MKH is free software; you can redistribute it and/or modify it |
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| 11 | * under the terms of the GNU General Public License as published by |
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| 12 | * the Free Software Foundation; version 2.0 of the License. |
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| 13 | * |
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| 14 | * ALMOS-MKH is distributed in the hope that it will be useful, but |
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| 15 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 17 | * General Public License for more details. |
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| 18 | * |
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| 19 | * You should have received a copy of the GNU General Public License |
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| 20 | * along with ALMOS-MKH; if not, write to the Free Software Foundation, |
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| 21 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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| 22 | */ |
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| 23 | |
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| 24 | #ifndef _STAT_H_ |
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| 25 | #define _STAT_H_ |
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| 26 | |
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| 27 | /***************************************************************************************** |
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| 28 | * This file defines the stat related library. |
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| 29 | * All these functions make a system call to access kernel structures. |
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| 30 | * The user/kernel shared structures and mnemonics are defined in |
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| 31 | * the <syscalls/shared_include/shared_stat.h> file. |
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| 32 | ****************************************************************************************/ |
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| 33 | |
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| 34 | #include <shared_stat.h> |
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| 35 | |
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| 36 | /***************************************************************************************** |
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| 37 | * This function creates a new directory in file system. |
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| 38 | ***************************************************************************************** |
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| 39 | * @ pathname : pathname (can be relative or absolute). |
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| 40 | * @ mode : access rights (as defined in chmod). |
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| 41 | * @ return 0 if success / returns -1 if failure. |
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| 42 | ****************************************************************************************/ |
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| 43 | int mkdir( const char * pathname, |
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| 44 | int mode ); |
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| 45 | |
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| 46 | /***************************************************************************************** |
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| 47 | * This function creates a named FIFO file in the calling thread cluster. |
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| 48 | * The associated read and write file descriptors mut be be explicitely created |
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| 49 | * using the open() system call. |
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| 50 | ***************************************************************************************** |
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| 51 | * @ pathname : pathname (can be relative or absolute). |
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| 52 | * @ mode : access rights (as defined in chmod). |
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| 53 | * @ return 0 if success / returns -1 if failure. |
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| 54 | ****************************************************************************************/ |
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| 55 | int mkfifo( const char * pathname, |
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| 56 | int mode ); |
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| 57 | |
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| 58 | /***************************************************************************************** |
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| 59 | * This function change the acces rights for the file/dir identified by the |
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| 60 | * pathname argument. |
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| 61 | ***************************************************************************************** |
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| 62 | * @ pathname : pathname (can be relative or absolute). |
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| 63 | * @ rights : acces rights. |
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| 64 | * @ return 0 if success / returns -1 if failure. |
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| 65 | ****************************************************************************************/ |
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| 66 | int chmod( char * pathname, |
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| 67 | unsigned int rights ); |
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| 68 | |
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| 69 | /***************************************************************************************** |
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| 70 | * This function returns in the <stat> structure, defined in the "shared_syscalls.h" |
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| 71 | * file, various informations on the file/directory identified by the <pathname> argument. |
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| 72 | ***************************************************************************************** |
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| 73 | * @ pathname : user pointer on file pathname. |
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| 74 | * @ stat : user pointer on the stat structure. |
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| 75 | * @ returns O if success / returns -1 if failure. |
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| 76 | ****************************************************************************************/ |
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| 77 | int stat( const char * pathname, |
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| 78 | struct stat * stat ); |
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| 79 | #endif /* _SYS_STAT_H_ */ |
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