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1998-10-29 Roland McGrath <roland@baalperazim.frob.com>

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* sysdeps/unix/sysv/linux/bits/sem.h, 
sysdeps/unix/sysv/linux/bits/ipc.h, 
sysdeps/unix/sysv/linux/bits/shm.h, 
sysdeps/unix/sysv/linux/bits/msq.h: Moved to ... 
* sysdeps/gnu/bits/sem.h, sysdeps/gnu/bits/ipc.h, 
sysdeps/gnu/bits/shm.h, sysdeps/gnu/bits/msq.h: ... here, 
so the same bits will be used for the Hurd.
This commit is contained in:
Roland McGrath
1998-10-29 11:51:58 +00:00
parent f3c1143bcf
commit 5a0f23f9d5
4 changed files with 0 additions and 0 deletions
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72
sysdeps/unix/sysv/linux/bits/ipc.h
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/* Copyright (C) 1995, 1996, 1997, 1998 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifndef _SYS_IPC_H
# error "Never use <bits/ipc.h> directly; include <sys/ipc.h> instead."
#endif
#include <sys/types.h>
/* Mode bits for `msgget', `semget', and `shmget'. */
#define IPC_CREAT 01000 /* Create key if key does not exist. */
#define IPC_EXCL 02000 /* Fail if key exists. */
#define IPC_NOWAIT 04000 /* Return error on wait. */
/* Control commands for `msgctl', `semctl', and `shmctl'. */
#define IPC_RMID 0 /* Remove identifier. */
#define IPC_SET 1 /* Set `ipc_perm' options. */
#define IPC_STAT 2 /* Get `ipc_perm' options. */
#define IPC_INFO 3 /* See ipcs. */
/* Special key values. */
#define IPC_PRIVATE ((__key_t) 0) /* Private key. */
/* Data structure used to pass permission information to IPC operations. */
struct ipc_perm
{
__key_t __key; /* Key. */
unsigned short int uid; /* Owner's user ID. */
unsigned short int gid; /* Owner's group ID. */
unsigned short int cuid; /* Creator's user ID. */
unsigned short int cgid; /* Creator's group ID. */
unsigned short int mode; /* Read/write permission. */
unsigned short int __seq; /* Sequence number. */
};
__BEGIN_DECLS
/* The actual system call: all functions are multiplexed by this. */
extern int __ipc __P ((int __call, int __first, int __second, int __third,
void *__ptr));
__END_DECLS
/* The codes for the functions to use the multiplexer `__ipc'. */
#define IPCOP_semop 1
#define IPCOP_semget 2
#define IPCOP_semctl 3
#define IPCOP_msgsnd 11
#define IPCOP_msgrcv 12
#define IPCOP_msgget 13
#define IPCOP_msgctl 14
#define IPCOP_shmat 21
#define IPCOP_shmdt 22
#define IPCOP_shmget 23
#define IPCOP_shmctl 24

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sysdeps/unix/sysv/linux/bits/msq.h
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/* Copyright (C) 1995, 1996, 1997 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifndef _SYS_MSG_H
# error "Never use <bits/msq.h> directly; include <sys/msg.h> instead."
#endif
#include <sys/types.h>
/* Define options for message queue functions. */
#define MSG_NOERROR 010000 /* no error if message is too big */
#define MSG_EXCEPT 020000 /* recv any msg except of specified type */
/* Structure of record for one message inside the kernel.
The type `struct msg' is opaque. */
struct msqid_ds
{
struct ipc_perm msg_perm; /* structure describing operation permission */
struct msg *__msg_first; /* pointer to first message on queue */
struct msg *__msg_last; /* pointer to last message on queue */
__time_t msg_stime; /* time of last msgsnd command */
__time_t msg_rtime; /* time of last msgrcv command */
__time_t msg_ctime; /* time of last change */
struct wait_queue *__wwait; /* ??? */
struct wait_queue *__rwait; /* ??? */
unsigned short int __msg_cbytes;/* current number of bytes on queue */
unsigned short int msg_qnum; /* number of messages currently on queue */
unsigned short int msg_qbytes;/* max number of bytes allowed on queue */
__ipc_pid_t msg_lspid; /* pid of last msgsnd() */
__ipc_pid_t msg_lrpid; /* pid of last msgrcv() */
};
#ifdef __USE_MISC
# define msg_cbytes __msg_cbytes
/* ipcs ctl commands */
# define MSG_STAT 11
# define MSG_INFO 12
/* buffer for msgctl calls IPC_INFO, MSG_INFO */
struct msginfo
{
int msgpool;
int msgmap;
int msgmax;
int msgmnb;
int msgmni;
int msgssz;
int msgtql;
unsigned short int msgseg;
};
#endif /* __USE_MISC */

88
sysdeps/unix/sysv/linux/bits/sem.h
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/* Copyright (C) 1995, 1996, 1997, 1998 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. 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>
/* 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 */
__time_t sem_ctime; /* last time changed by semctl() */
struct sem *__sembase; /* ptr to first semaphore in array */
struct sem_queue *__sem_pending; /* pending operations */
struct sem_queue *__sem_pending_last; /* last pending operation */
struct sem_undo *__undo; /* ondo requests on this array */
unsigned short int sem_nsems; /* number of semaphores in set */
};
/* 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 */

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sysdeps/unix/sysv/linux/bits/shm.h
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/* Copyright (C) 1995, 1996, 1997 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifndef _SYS_SHM_H
# error "Never include <bits/shm.h> directly; use <sys/shm.h> instead."
#endif
#include <sys/types.h>
/* Permission flag for shmget. */
#define SHM_R 0400 /* or S_IRUGO from <linux/stat.h> */
#define SHM_W 0200 /* or S_IWUGO from <linux/stat.h> */
/* Flags for `shmat'. */
#define SHM_RDONLY 010000 /* attach read-only else read-write */
#define SHM_RND 020000 /* round attach address to SHMLBA */
#define SHM_REMAP 040000 /* take-over region on attach */
/* Commands for `shmctl'. */
#define SHM_LOCK 11 /* lock segment (root only) */
#define SHM_UNLOCK 12 /* unlock segment (root only) */
/* Data structure describing a set of semaphores. */
struct shmid_ds
{
struct ipc_perm shm_perm; /* operation permission struct */
int shm_segsz; /* size of segment in bytes */
__time_t shm_atime; /* time of last shmat() */
__time_t shm_dtime; /* time of last shmdt() */
__time_t shm_ctime; /* time of last change by shmctl() */
__ipc_pid_t shm_cpid; /* pid of creator */
__ipc_pid_t shm_lpid; /* pid of last shmop */
unsigned short int shm_nattch; /* number of current attaches */
unsigned short int __shm_npages; /* size of segment (pages) */
unsigned long int *__shm_pages; /* array of ptrs to frames -> SHMMAX */
struct vm_area_struct *__attaches; /* descriptors for attaches */
};
#ifdef __USE_MISC
/* ipcs ctl commands */
# define SHM_STAT 13
# define SHM_INFO 14
/* shm_mode upper byte flags */
# define SHM_DEST 01000 /* segment will be destroyed on last detach */
# define SHM_LOCKED 02000 /* segment will not be swapped */
struct shminfo
{
int shmmax;
int shmmin;
int shmmni;
int shmseg;
int shmall;
};
struct shm_info
{
int used_ids;
unsigned long int shm_tot; /* total allocated shm */
unsigned long int shm_rss; /* total resident shm */
unsigned long int shm_swp; /* total swapped shm */
unsigned long int swap_attempts;
unsigned long int swap_successes;
};
#endif /* __USE_MISC */