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6d7e8eda | 1 | /* Copyright (C) 1997-2023 Free Software Foundation, Inc. |
f21acc89 | 2 | This file is part of the GNU C Library. |
f21acc89 UD |
3 | |
4 | The GNU C Library is free software; you can redistribute it and/or | |
41bdb6e2 AJ |
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. | |
f21acc89 UD |
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 | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
f21acc89 | 13 | |
41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 15 | License along with the GNU C Library; if not, see |
5a82c748 | 16 | <https://www.gnu.org/licenses/>. */ |
f21acc89 UD |
17 | |
18 | #ifndef _UTMPX_H | |
19 | #define _UTMPX_H 1 | |
20 | ||
21 | #include <features.h> | |
26262bc2 | 22 | #include <sys/time.h> |
f21acc89 | 23 | |
26262bc2 | 24 | /* Required according to Unix98. */ |
7df789e0 | 25 | #ifndef __pid_t_defined |
26262bc2 | 26 | typedef __pid_t pid_t; |
7df789e0 | 27 | # define __pid_t_defined |
26262bc2 | 28 | #endif |
f21acc89 UD |
29 | |
30 | /* Get system dependent values and data structures. */ | |
31 | #include <bits/utmpx.h> | |
32 | ||
8619129f UD |
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 | ||
26262bc2 UD |
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 | ||
2c008571 | 49 | /* Open user accounting database. |
f21acc89 | 50 | |
2c008571 UD |
51 | This function is a possible cancellation point and therefore not |
52 | marked with __THROW. */ | |
53 | extern void setutxent (void); | |
f21acc89 | 54 | |
2c008571 | 55 | /* Close user accounting database. |
f21acc89 | 56 | |
2c008571 UD |
57 | This function is a possible cancellation point and therefore not |
58 | marked with __THROW. */ | |
59 | extern void endutxent (void); | |
f21acc89 | 60 | |
2c008571 | 61 | /* Get the next entry from the user accounting database. |
f21acc89 | 62 | |
2c008571 UD |
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. */ | |
a784e502 | 71 | extern struct utmpx *getutxid (const struct utmpx *__id); |
2c008571 UD |
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. */ | |
a784e502 | 77 | extern struct utmpx *getutxline (const struct utmpx *__line); |
2c008571 UD |
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. */ | |
a784e502 | 83 | extern struct utmpx *pututxline (const struct utmpx *__utmpx); |
26262bc2 | 84 | |
f21acc89 | 85 | |
8619129f | 86 | #ifdef __USE_GNU |
2c008571 UD |
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. */ | |
a784e502 | 93 | extern int utmpxname (const char *__file); |
2c008571 UD |
94 | |
95 | /* Append entry UTMP to the wtmpx-like file WTMPX_FILE. | |
8619129f | 96 | |
2c008571 UD |
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. */ | |
a784e502 UD |
101 | extern void updwtmpx (const char *__wtmpx_file, |
102 | const struct utmpx *__utmpx); | |
6eb857c7 | 103 | |
26262bc2 | 104 | |
2c008571 UD |
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. */ | |
a784e502 | 111 | extern void getutmp (const struct utmpx *__utmpx, |
2c008571 UD |
112 | struct utmp *__utmp); |
113 | ||
114 | /* Copy the information in UTMP to UTMPX. | |
6eb857c7 | 115 | |
2c008571 UD |
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. */ | |
a784e502 | 120 | extern void getutmpx (const struct utmp *__utmp, struct utmpx *__utmpx); |
8619129f UD |
121 | #endif |
122 | ||
f21acc89 UD |
123 | __END_DECLS |
124 | ||
125 | #endif /* utmpx.h */ |