1 /* Basic definition for Sysv IPC test functions.
2 Copyright (C) 2020-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19 #ifndef _TEST_SYSV_H
20 #define _TEST_SYSV_H
21
22 #include <sys/ipc.h>
23 #include <sys/sem.h>
24 #include <sys/msg.h>
25 #include <sys/shm.h>
26 #include <include/array_length.h>
27
28 /* Return the first invalid SysV IPC command from common shared
29 between message queue, shared memory, and semaphore. */
30 static inline int
first_common_invalid_cmd(void)31 first_common_invalid_cmd (void)
32 {
33 const int common_cmds[] = {
34 IPC_RMID,
35 IPC_SET,
36 IPC_STAT,
37 IPC_INFO,
38 };
39
40 int invalid = 0;
41 for (int i = 0; i < array_length (common_cmds); i++)
42 {
43 if (invalid == common_cmds[i])
44 {
45 invalid++;
46 i = 0;
47 }
48 }
49
50 return invalid;
51 }
52
53 /* Return the first invalid SysV IPC command for semaphore. */
54 static inline int
first_sem_invalid_cmd(void)55 first_sem_invalid_cmd (void)
56 {
57 const int sem_cmds[] = {
58 GETPID,
59 GETVAL,
60 GETALL,
61 GETNCNT,
62 GETZCNT,
63 SETVAL,
64 SETALL,
65 SEM_STAT,
66 SEM_INFO,
67 #ifdef SEM_STAT_ANY
68 SEM_STAT_ANY,
69 #endif
70 };
71
72 int invalid = first_common_invalid_cmd ();
73 for (int i = 0; i < array_length (sem_cmds); i++)
74 {
75 if (invalid == sem_cmds[i])
76 {
77 invalid++;
78 i = 0;
79 }
80 }
81
82 return invalid;
83 }
84
85 /* Return the first invalid SysV IPC command for message queue. */
86 static inline int
first_msg_invalid_cmd(void)87 first_msg_invalid_cmd (void)
88 {
89 const int msg_cmds[] = {
90 MSG_STAT,
91 MSG_INFO,
92 #ifdef MSG_STAT_ANY
93 MSG_STAT_ANY,
94 #endif
95 };
96
97 int invalid = first_common_invalid_cmd ();
98 for (int i = 0; i < array_length (msg_cmds); i++)
99 {
100 if (invalid == msg_cmds[i])
101 {
102 invalid++;
103 i = 0;
104 }
105 }
106
107 return invalid;
108 }
109
110 /* Return the first invalid SysV IPC command for shared memory. */
111 static inline int
first_shm_invalid_cmd(void)112 first_shm_invalid_cmd (void)
113 {
114 const int shm_cmds[] = {
115 SHM_STAT,
116 SHM_INFO,
117 #ifdef SHM_STAT_ANY
118 SHM_STAT_ANY,
119 #endif
120 SHM_LOCK,
121 SHM_UNLOCK
122 };
123
124 int invalid = first_common_invalid_cmd ();
125 for (int i = 0; i < array_length (shm_cmds); i++)
126 {
127 if (invalid == shm_cmds[i])
128 {
129 invalid++;
130 i = 0;
131 }
132 }
133
134 return invalid;
135 }
136
137 #endif /* _TEST_SYSV_H */
138