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shm.d
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shm.d
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/**
* D header file for POSIX.
*
* Copyright: Copyright Sean Kelly 2005 - 2009.
* License: $(WEB www.boost.org/LICENSE_1_0.txt, Boost License 1.0).
* Authors: Sean Kelly
* Standards: The Open Group Base Specifications Issue 6, IEEE Std 1003.1, 2004 Edition
*/
/* Copyright Sean Kelly 2005 - 2009.
* Distributed under the Boost Software License, Version 1.0.
* (See accompanying file LICENSE or copy at
* http://www.boost.org/LICENSE_1_0.txt)
*/
module core.sys.posix.sys.shm;
private import core.sys.posix.config;
public import core.sys.posix.sys.types; // for pid_t, time_t, key_t, size_t
public import core.sys.posix.sys.ipc;
version (Posix):
extern (C) nothrow @nogc:
//
// XOpen (XSI)
//
/*
SHM_RDONLY
SHM_RND
SHMLBA
shmatt_t
struct shmid_ds
{
ipc_perm shm_perm;
size_t shm_segsz;
pid_t shm_lpid;
pid_t shm_cpid;
shmatt_t shm_nattch;
time_t shm_atime;
time_t shm_dtime;
time_t shm_ctime;
}
void* shmat(int, in void*, int);
int shmctl(int, int, shmid_ds*);
int shmdt(in void*);
int shmget(key_t, size_t, int);
*/
version( linux )
{
enum SHM_RDONLY = 0x01000; // 010000
enum SHM_RND = 0x02000; // 020000
int __getpagesize();
alias __getpagesize SHMLBA;
alias c_ulong shmatt_t;
/* For any changes, please check /usr/include/bits/shm.h */
struct shmid_ds
{
ipc_perm shm_perm;
size_t shm_segsz;
time_t shm_atime;
version( X86_64 ) {} else c_ulong __unused1;
time_t shm_dtime;
version( X86_64 ) {} else c_ulong __unused2;
time_t shm_ctime;
version( X86_64 ) {} else c_ulong __unused3;
pid_t shm_cpid;
pid_t shm_lpid;
shmatt_t shm_nattch;
c_ulong __unused4;
c_ulong __unused5;
}
void* shmat(int, in void*, int);
int shmctl(int, int, shmid_ds*);
int shmdt(in void*);
int shmget(key_t, size_t, int);
}
else version( FreeBSD )
{
enum SHM_RDONLY = 0x01000; // 010000
enum SHM_RND = 0x02000; // 020000
enum SHMLBA = 1 << 12; // PAGE_SIZE = (1<<PAGE_SHIFT)
alias c_ulong shmatt_t;
struct shmid_ds_old // <= FreeBSD7
{
ipc_perm_old shm_perm;
int shm_segsz;
pid_t shm_lpid;
pid_t shm_cpid;
short shm_nattch;
time_t shm_atime;
time_t shm_dtime;
time_t shm_ctime;
void* shm_internal;
}
struct shmid_ds
{
ipc_perm shm_perm;
int shm_segsz;
pid_t shm_lpid;
pid_t shm_cpid;
short shm_nattch;
time_t shm_atime;
time_t shm_dtime;
time_t shm_ctime;
}
void* shmat(int, in void*, int);
int shmctl(int, int, shmid_ds*);
int shmdt(in void*);
int shmget(key_t, size_t, int);
}
else version( OSX )
{
}