| xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame^] | 1 | /* Copyright (C) 1997-2016 Free Software Foundation, Inc. |
| 2 | This file is part of the GNU C Library. |
| 3 | |
| 4 | The GNU C Library is free software; you can redistribute it and/or |
| 5 | modify it under the terms of the GNU Lesser General Public |
| 6 | License as published by the Free Software Foundation; either |
| 7 | version 2.1 of the License, or (at your option) any later version. |
| 8 | |
| 9 | The GNU C Library is distributed in the hope that it will be useful, |
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | Lesser General Public License for more details. |
| 13 | |
| 14 | You should have received a copy of the GNU Lesser General Public |
| 15 | License along with the GNU C Library; if not, see |
| 16 | <http://www.gnu.org/licenses/>. */ |
| 17 | |
| 18 | #ifndef _UTMPX_H |
| 19 | #define _UTMPX_H 1 |
| 20 | |
| 21 | #include <features.h> |
| 22 | #include <sys/time.h> |
| 23 | |
| 24 | /* Required according to Unix98. */ |
| 25 | #ifndef __pid_t_defined |
| 26 | typedef __pid_t pid_t; |
| 27 | # define __pid_t_defined |
| 28 | #endif |
| 29 | |
| 30 | /* Get system dependent values and data structures. */ |
| 31 | #include <bits/utmpx.h> |
| 32 | |
| 33 | #ifdef __USE_GNU |
| 34 | /* Compatibility names for the strings of the canonical file names. */ |
| 35 | # define UTMPX_FILE _PATH_UTMPX |
| 36 | # define UTMPX_FILENAME _PATH_UTMPX |
| 37 | # define WTMPX_FILE _PATH_WTMPX |
| 38 | # define WTMPX_FILENAME _PATH_WTMPX |
| 39 | #endif |
| 40 | |
| 41 | /* For the getutmp{,x} functions we need the `struct utmp'. */ |
| 42 | #ifdef __USE_GNU |
| 43 | struct utmp; |
| 44 | #endif |
| 45 | |
| 46 | |
| 47 | __BEGIN_DECLS |
| 48 | |
| 49 | /* Open user accounting database. |
| 50 | |
| 51 | This function is a possible cancellation point and therefore not |
| 52 | marked with __THROW. */ |
| 53 | extern void setutxent (void); |
| 54 | |
| 55 | /* Close user accounting database. |
| 56 | |
| 57 | This function is a possible cancellation point and therefore not |
| 58 | marked with __THROW. */ |
| 59 | extern void endutxent (void); |
| 60 | |
| 61 | /* Get the next entry from the user accounting database. |
| 62 | |
| 63 | This function is a possible cancellation point and therefore not |
| 64 | marked with __THROW. */ |
| 65 | extern struct utmpx *getutxent (void); |
| 66 | |
| 67 | /* Get the user accounting database entry corresponding to ID. |
| 68 | |
| 69 | This function is a possible cancellation point and therefore not |
| 70 | marked with __THROW. */ |
| 71 | extern struct utmpx *getutxid (const struct utmpx *__id); |
| 72 | |
| 73 | /* Get the user accounting database entry corresponding to LINE. |
| 74 | |
| 75 | This function is a possible cancellation point and therefore not |
| 76 | marked with __THROW. */ |
| 77 | extern struct utmpx *getutxline (const struct utmpx *__line); |
| 78 | |
| 79 | /* Write the entry UTMPX into the user accounting database. |
| 80 | |
| 81 | This function is a possible cancellation point and therefore not |
| 82 | marked with __THROW. */ |
| 83 | extern struct utmpx *pututxline (const struct utmpx *__utmpx); |
| 84 | |
| 85 | |
| 86 | #ifdef __USE_GNU |
| 87 | /* Change name of the utmpx file to be examined. |
| 88 | |
| 89 | This function is not part of POSIX and therefore no official |
| 90 | cancellation point. But due to similarity with an POSIX interface |
| 91 | or due to the implementation it is a cancellation point and |
| 92 | therefore not marked with __THROW. */ |
| 93 | extern int utmpxname (const char *__file); |
| 94 | |
| 95 | /* Append entry UTMP to the wtmpx-like file WTMPX_FILE. |
| 96 | |
| 97 | This function is not part of POSIX and therefore no official |
| 98 | cancellation point. But due to similarity with an POSIX interface |
| 99 | or due to the implementation it is a cancellation point and |
| 100 | therefore not marked with __THROW. */ |
| 101 | extern void updwtmpx (const char *__wtmpx_file, |
| 102 | const struct utmpx *__utmpx); |
| 103 | |
| 104 | |
| 105 | /* Copy the information in UTMPX to UTMP. |
| 106 | |
| 107 | This function is not part of POSIX and therefore no official |
| 108 | cancellation point. But due to similarity with an POSIX interface |
| 109 | or due to the implementation it is a cancellation point and |
| 110 | therefore not marked with __THROW. */ |
| 111 | extern void getutmp (const struct utmpx *__utmpx, |
| 112 | struct utmp *__utmp); |
| 113 | |
| 114 | /* Copy the information in UTMP to UTMPX. |
| 115 | |
| 116 | This function is not part of POSIX and therefore no official |
| 117 | cancellation point. But due to similarity with an POSIX interface |
| 118 | or due to the implementation it is a cancellation point and |
| 119 | therefore not marked with __THROW. */ |
| 120 | extern void getutmpx (const struct utmp *__utmp, struct utmpx *__utmpx); |
| 121 | #endif |
| 122 | |
| 123 | __END_DECLS |
| 124 | |
| 125 | #endif /* utmpx.h */ |