diff options
Diffstat (limited to 'libc/sysdeps/linux/powerpc/bits/shm.h')
-rw-r--r-- | libc/sysdeps/linux/powerpc/bits/shm.h | 92 |
1 files changed, 51 insertions, 41 deletions
diff --git a/libc/sysdeps/linux/powerpc/bits/shm.h b/libc/sysdeps/linux/powerpc/bits/shm.h index c7070595b..be7173c8f 100644 --- a/libc/sysdeps/linux/powerpc/bits/shm.h +++ b/libc/sysdeps/linux/powerpc/bits/shm.h @@ -1,82 +1,92 @@ -/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc. +/* Copyright (C) 1995, 1996, 1997, 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 Library General Public License as - published by the Free Software Foundation; either version 2 of the - License, or (at your option) any later version. + 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 - Library General Public License for more details. + Lesser 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. */ + 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_SHM_H # 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_W 0200 /* or S_IWUGO from <linux/stat.h> */ +#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 */ +#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) */ +#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 */ - __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 */ + struct ipc_perm shm_perm; /* operation permission struct */ + unsigned int __unused1; + __time_t shm_atime; /* time of last shmat() */ + unsigned int __unused2; + __time_t shm_dtime; /* time of last shmdt() */ + unsigned int __unused3; + __time_t shm_ctime; /* time of last change by shmctl() */ + unsigned int __unused4; + size_t shm_segsz; /* size of segment in bytes */ + __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 __unused5; + unsigned long __unused6; }; #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 */ +# 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; - 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 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; }; |