about summary refs log tree commit diff
path: root/sysvipc/test-sysvipc.h
blob: 9a801afd2179c078590bd8b2796bbc146c97d71e (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
/* Basic definition for Sysv IPC test functions.
   Copyright (C) 2020-2023 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <https://www.gnu.org/licenses/>.  */

#ifndef _TEST_SYSV_H
#define _TEST_SYSV_H

#include <sys/ipc.h>
#include <sys/sem.h>
#include <sys/msg.h>
#include <sys/shm.h>
#include <include/array_length.h>

/* Return the first invalid SysV IPC command from common shared
   between message queue, shared memory, and semaphore.  */
static inline int
first_common_invalid_cmd (void)
{
  const int common_cmds[] = {
    IPC_RMID,
    IPC_SET,
    IPC_STAT,
    IPC_INFO,
  };

  int invalid = 0;
  for (int i = 0; i < array_length (common_cmds); i++)
    {
      if (invalid == common_cmds[i])
	{
	  invalid++;
	  i = 0;
        }
    }

  return invalid;
}

/* Return the first invalid SysV IPC command for semaphore.  */
static inline int
first_sem_invalid_cmd (void)
{
  const int sem_cmds[] = {
    GETPID,
    GETVAL,
    GETALL,
    GETNCNT,
    GETZCNT,
    SETVAL,
    SETALL,
    SEM_STAT,
    SEM_INFO,
#ifdef SEM_STAT_ANY
    SEM_STAT_ANY,
#endif
  };

  int invalid = first_common_invalid_cmd ();
  for (int i = 0; i < array_length (sem_cmds); i++)
    {
      if (invalid == sem_cmds[i])
	{
	  invalid++;
	  i = 0;
	}
    }

  return invalid;
}

/* Return the first invalid SysV IPC command for message queue.  */
static inline int
first_msg_invalid_cmd (void)
{
  const int msg_cmds[] = {
    MSG_STAT,
    MSG_INFO,
#ifdef MSG_STAT_ANY
    MSG_STAT_ANY,
#endif
  };

  int invalid = first_common_invalid_cmd ();
  for (int i = 0; i < array_length (msg_cmds); i++)
    {
      if (invalid == msg_cmds[i])
	{
	  invalid++;
	  i = 0;
	}
    }

  return invalid;
}

/* Return the first invalid SysV IPC command for shared memory.  */
static inline int
first_shm_invalid_cmd (void)
{
  const int shm_cmds[] = {
    SHM_STAT,
    SHM_INFO,
#ifdef SHM_STAT_ANY
    SHM_STAT_ANY,
#endif
    SHM_LOCK,
    SHM_UNLOCK
  };

  int invalid = first_common_invalid_cmd ();
  for (int i = 0; i < array_length (shm_cmds); i++)
    {
      if (invalid == shm_cmds[i])
	{
	  invalid++;
	  i = 0;
	}
    }

  return invalid;
}

#endif /* _TEST_SYSV_H  */