diff options
Diffstat (limited to 'sysdeps/unix/sysv/solaris2/kopensolaris-gnu/bits/shm.h')
-rw-r--r-- | sysdeps/unix/sysv/solaris2/kopensolaris-gnu/bits/shm.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/solaris2/kopensolaris-gnu/bits/shm.h b/sysdeps/unix/sysv/solaris2/kopensolaris-gnu/bits/shm.h new file mode 100644 index 0000000000..04ccac481c --- /dev/null +++ b/sysdeps/unix/sysv/solaris2/kopensolaris-gnu/bits/shm.h @@ -0,0 +1,77 @@ +/* Copyright (C) 1995, 1996, 1997, 2000, 2002, 2004, 2008 + 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_SHM_H +# error "Never include <bits/shm.h> directly; use <sys/shm.h> instead." +#endif + +#include <bits/types.h> +#include <bits/wordsize.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 */ +#define SHM_PAGEABLE 0100000 /*pageable ISM */ + +/* Commands for `shmctl'. */ +#define SHM_LOCK 3 /* lock segment (root only) */ +#define SHM_UNLOCK 4 /* unlock segment (root only) */ + +__BEGIN_DECLS + +/* Segment low boundary address multiple. */ +#define SHMLBA (__getpagesize ()) +extern int __getpagesize (void) __THROW __attribute__ ((__const__)); + + +/* 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 */ + size_t shm_segsz; /* size of segment in bytes */ + void *shm_amp; /* segment anon_map pointer */ + unsigned short shm_lkcnt; /* number of times it is being locked */ + __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 shm_cnattch; /* number of ISM attaches */ + __time_t shm_atime; /* time of last shmat() */ +#if __WORDSIZE == 32 + __int32_t shm_pad1; +#endif + __time_t shm_dtime; /* time of last shmdt() */ +#if __WORDSIZE == 32 + __int32_t shm_pad2; +#endif + __time_t shm_ctime; /* time of last change by shmctl() */ +#if __WORDSIZE == 32 + __int32_t shm_pad3; + __int32_t shm_pad4[4]; +#endif + }; + +__END_DECLS |