diff options
Diffstat (limited to 'libc/sysdeps/linux/sparc')
| -rw-r--r-- | libc/sysdeps/linux/sparc/bits/sem.h | 92 | 
1 files changed, 92 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/sparc/bits/sem.h b/libc/sysdeps/linux/sparc/bits/sem.h new file mode 100644 index 000000000..a24c5673d --- /dev/null +++ b/libc/sysdeps/linux/sparc/bits/sem.h @@ -0,0 +1,92 @@ +/* Copyright (C) 1995, 1996, 1997, 1998, 2000 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, write to the Free +   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA +   02111-1307 USA.  */ + +#ifndef _SYS_SEM_H +# error "Never include <bits/sem.h> directly; use <sys/sem.h> instead." +#endif + +#include <sys/types.h> +#include <bits/wordsize.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 */ +#if __WORDSIZE == 32 +  unsigned int __pad1; +#endif +  __kernel_time_t sem_otime;		/* last semop() time */ +#if __WORDSIZE == 32 +  unsigned int __pad2; +#endif +  __kernel_time_t sem_ctime;		/* last time changed by semctl() */ +  unsigned long int sem_nsems;		/* number of semaphores in set */ +  unsigned long int __unused1; +  unsigned long int __unused2; +}; + +/* 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 */  | 
