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Diffstat (limited to 'sysvipc/test-sysvipc.h')
-rw-r--r-- | sysvipc/test-sysvipc.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/sysvipc/test-sysvipc.h b/sysvipc/test-sysvipc.h new file mode 100644 index 0000000000..d7ed496511 --- /dev/null +++ b/sysvipc/test-sysvipc.h @@ -0,0 +1,85 @@ +/* Basic definition for Sysv IPC test functions. + Copyright (C) 2020 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 command 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 command 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; +} + +#endif /* _TEST_SYSV_H */ |