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author | H.J. Lu <hjl.tools@gmail.com> | 2012-05-31 16:04:12 -0700 |
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committer | H.J. Lu <hjl.tools@gmail.com> | 2012-05-31 16:04:12 -0700 |
commit | a254b8c9cb0e2ab9d135af53e20f77512736d69f (patch) | |
tree | 0c0eb124000d4c4f576c40bb733891c8ce48cae9 /sysdeps/unix/sysv/linux/x86/bits/sem.h | |
parent | b8dfdd92c7857fbb4a2418b9903b825b49d689c0 (diff) | |
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Use x86-64 bits/{msq,sem,shm}.h for i386 and x86-64
Diffstat (limited to 'sysdeps/unix/sysv/linux/x86/bits/sem.h')
-rw-r--r-- | sysdeps/unix/sysv/linux/x86/bits/sem.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/x86/bits/sem.h b/sysdeps/unix/sysv/linux/x86/bits/sem.h new file mode 100644 index 0000000000..92bbceff98 --- /dev/null +++ b/sysdeps/unix/sysv/linux/x86/bits/sem.h @@ -0,0 +1,86 @@ +/* Copyright (C) 2002-2012 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 + <http://www.gnu.org/licenses/>. */ + +#ifndef _SYS_SEM_H +# error "Never include <bits/sem.h> directly; use <sys/sem.h> instead." +#endif + +#include <sys/types.h> + +/* Flags for `semop'. */ +#define SEM_UNDO 0x1000 /* undo the operation on exit */ + +/* Commands for `semctl'. */ +#define GETPID 11 /* get sempid */ +#define GETVAL 12 /* get semval */ +#define GETALL 13 /* get all semval's */ +#define GETNCNT 14 /* get semncnt */ +#define GETZCNT 15 /* get semzcnt */ +#define SETVAL 16 /* set semval */ +#define SETALL 17 /* set all semval's */ + + +/* Data structure describing a set of semaphores. */ +struct semid_ds +{ + struct ipc_perm sem_perm; /* operation permission struct */ + __time_t sem_otime; /* last semop() time */ + __syscall_ulong_t __unused1; + __time_t sem_ctime; /* last time changed by semctl() */ + __syscall_ulong_t __unused2; + __syscall_ulong_t sem_nsems; /* number of semaphores in set */ + __syscall_ulong_t __unused3; + __syscall_ulong_t __unused4; +}; + +/* The user should define a union like the following to use it for arguments + for `semctl'. + + union semun + { + int val; <= value for SETVAL + struct semid_ds *buf; <= buffer for IPC_STAT & IPC_SET + unsigned short int *array; <= array for GETALL & SETALL + struct seminfo *__buf; <= buffer for IPC_INFO + }; + + Previous versions of this file used to define this union but this is + incorrect. One can test the macro _SEM_SEMUN_UNDEFINED to see whether + one must define the union or not. */ +#define _SEM_SEMUN_UNDEFINED 1 + +#ifdef __USE_MISC + +/* ipcs ctl cmds */ +# define SEM_STAT 18 +# define SEM_INFO 19 + +struct seminfo +{ + int semmap; + int semmni; + int semmns; + int semmnu; + int semmsl; + int semopm; + int semume; + int semusz; + int semvmx; + int semaem; +}; + +#endif /* __USE_MISC */ |