From 665ce29c84a830259683fdb58c76da7efc00f890 Mon Sep 17 00:00:00 2001 From: David Schleef Date: Tue, 22 May 2001 14:32:43 +0000 Subject: Copied bits/*.h from Debian MIPS libc6-dev 2.2.2-4 package. --- libc/sysdeps/linux/mips/bits/shm.h | 84 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 84 insertions(+) create mode 100644 libc/sysdeps/linux/mips/bits/shm.h (limited to 'libc/sysdeps/linux/mips/bits/shm.h') diff --git a/libc/sysdeps/linux/mips/bits/shm.h b/libc/sysdeps/linux/mips/bits/shm.h new file mode 100644 index 000000000..31c65a91a --- /dev/null +++ b/libc/sysdeps/linux/mips/bits/shm.h @@ -0,0 +1,84 @@ +/* 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. + + 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 directly; use instead." +#endif + +#include + +/* Permission flag for shmget. */ +#define SHM_R 0400 /* or S_IRUGO from */ +#define SHM_W 0200 /* or S_IWUGO from */ + +/* 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() */ + 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 */ + }; + +#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; + ulong shm_tot; /* total allocated shm */ + ulong shm_rss; /* total resident shm */ + ulong shm_swp; /* total swapped shm */ + ulong swap_attempts; + ulong swap_successes; + }; + +#endif /* __USE_MISC */ -- cgit v1.2.3