92 lines
1.9 KiB
C++
92 lines
1.9 KiB
C++
/* cygserver_shm.h
|
|
|
|
Copyright 2001 Red Hat Inc.
|
|
Written by Robert Collins <rbtcollins@hotmail.com>
|
|
|
|
This file is part of Cygwin.
|
|
|
|
This software is a copyrighted work licensed under the terms of the
|
|
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
|
|
details. */
|
|
|
|
#include <sys/types.h>
|
|
#include "cygwin/cygserver_transport.h"
|
|
#include "cygwin/cygserver.h"
|
|
|
|
#define SHM_CREATE 0
|
|
#define SHM_REATTACH 1
|
|
#define SHM_ATTACH 2
|
|
#define SHM_DETACH 3
|
|
|
|
|
|
class client_request_shm : public client_request
|
|
{
|
|
public:
|
|
#ifndef __INSIDE_CYGWIN__
|
|
virtual void serve (transport_layer_base *conn, process_cache *cache);
|
|
#endif
|
|
client_request_shm (key_t, size_t, int, char psdbuf[4096], pid_t);
|
|
client_request_shm ();
|
|
client_request_shm (int, int, pid_t);
|
|
client_request_shm (int, int);
|
|
union {
|
|
struct {int type; pid_t pid; int shm_id; key_t key; size_t size; int shmflg; char sd_buf[4096];} in;
|
|
struct {int shm_id; HANDLE filemap; HANDLE attachmap; key_t key;} out;
|
|
} parameters;
|
|
};
|
|
|
|
#ifndef __INSIDE_CYGWIN__
|
|
class shm_cleanup : cleanup_routine
|
|
{
|
|
public:
|
|
virtual void cleanup (long winpid);
|
|
};
|
|
#endif
|
|
#if 0
|
|
class _shmattach {
|
|
public:
|
|
void *data;
|
|
class _shmattach *next;
|
|
};
|
|
|
|
class shmid_ds {
|
|
public:
|
|
struct 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;
|
|
HANDLE filemap;
|
|
HANDLE attachmap;
|
|
void *mapptr;
|
|
class _shmattach *attachhead;
|
|
};
|
|
|
|
class shmnode {
|
|
public:
|
|
class shmid_ds * shmid;
|
|
class shmnode *next;
|
|
key_t key;
|
|
};
|
|
//....
|
|
struct shmid_ds {
|
|
struct 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, const void *, int);
|
|
int shmctl(int, int, struct shmid_ds *);
|
|
int shmdt(const void *);
|
|
int shmget(key_t, size_t, int);
|
|
|
|
#endif
|