-/* Copyright (C) 1995, 96, 97, 98, 99, 2000 Free Software Foundation, Inc.
+/* Copyright (C) 1995, 96, 97, 98, 99, 2000, 2001 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
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
+ 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. */
+ 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>
+#include <bits/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_EXCL 02000 /* Fail if key exists. */
#define IPC_NOWAIT 04000 /* Return error on wait. */
/* Control commands for `msgctl', `semctl', and `shmctl'. */
# define IPC_INFO 3 /* See ipcs. */
#endif
-/* Special key values. */
-#define IPC_PRIVATE ((__key_t) 0) /* Private key. */
+/* 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. */
- long int uid; /* Owner's user ID. */
- long int gid; /* Owner's group ID. */
- long int cuid; /* Creator's user ID. */
- long int cgid; /* Creator's group ID. */
- unsigned long int mode; /* Read/write permission. */
+ unsigned int uid; /* Owner's user ID. */
+ unsigned int gid; /* Owner's group ID. */
+ unsigned int cuid; /* Creator's user ID. */
+ unsigned int cgid; /* Creator's group ID. */
+ unsigned 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 (int __call, int __first, int __second, int __third,
- void *__ptr) __THROW;
-
-__END_DECLS
-
-#ifdef __USE_GNU
-/* 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
-#endif
+ unsigned short int __pad1;
+ unsigned long int __unused1;
+ unsigned long int __unused2;
+};
--- /dev/null
+/* Copyright (C) 1995, 1996, 1997, 1998, 2000, 2001 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() */
+ 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 */
-/* Copyright (C) 1995, 1996, 1997, 2000 Free Software Foundation, Inc.
+/* Copyright (C) 1995, 1996, 1997, 2000, 2001 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
# error "Never include <bits/shm.h> directly; use <sys/shm.h> instead."
#endif
-#include <sys/types.h>
+#include <bits/types.h>
/* Permission flag for shmget. */
#define SHM_R 0400 /* or S_IRUGO from <linux/stat.h> */
#define SHM_LOCK 11 /* lock segment (root only) */
#define SHM_UNLOCK 12 /* unlock segment (root only) */
+/* Type to count number of attaches. */
+typedef unsigned long int shmatt_t;
/* 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 */
+ size_t 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() */
- long int shm_cpid; /* pid of creator */
- long int 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 *__unbounded __shm_pages; /* array of ptrs to frames -> SHMMAX */
- struct vm_area_struct *__unbounded __attaches; /* descriptors for attaches */
+ __pid_t shm_cpid; /* pid of creator */
+ __pid_t shm_lpid; /* pid of last shmop */
+ shmatt_t shm_nattch; /* number of current attaches */
+ unsigned long int __unused1;
+ unsigned long int __unused2;
};
#ifdef __USE_MISC
/* ipcs ctl commands */
-# define SHM_STAT 13
-# define SHM_INFO 14
+# 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
+struct shminfo
{
- int shmmax;
- int shmmin;
- int shmmni;
- int shmseg;
- int shmall;
+ unsigned long int shmmax;
+ unsigned long int shmmin;
+ unsigned long int shmmni;
+ unsigned long int shmseg;
+ unsigned long int shmall;
+ unsigned long int __unused1;
+ unsigned long int __unused2;
+ unsigned long int __unused3;
+ unsigned long int __unused4;
};
struct shm_info
{
- int used_ids;
- ulong shm_tot; /* total allocated shm */
- ulong shm_rss; /* total resident shm */
- ulong shm_swp; /* total swapped shm */
- ulong swap_attempts;
- ulong swap_successes;
+ 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 */
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