newlib/winsup/cygwin/cygserver_msg.h
Corinna Vinschen a6df500f7d * cygserver.h (client_request::request_code_t): Add
CYGSERVER_REQUEST_MSG and CYGSERVER_REQUEST_SEM.
	(admininstrator_group_sid): Add extern declaration.
	* cygserver_ipc.h: Rewrite.
	* cygserver_msg.h: New file.
	* cygserver_sem.h: New file.
	* cygserver_shm.h: More or less rewrite.
	* cygwin.din: Add msgctl, msgget, msgrcv, msgsnd, semctl, semget and
	semop.
	* msg.cc: Rewrite.
	* safe_memory.h: Remove.
	* sem.cc: Rewrite.
	* shm.cc: Rewrite.
	* include/cygwin/ipc.h: Use appropriate guard.
	(struct ipc_perm): Add seq.
	(IPCID_TO_IX): New define from BSD.
	(IPCID_TO_SEQ): Ditto.
	(IXSEQ_TO_IPCID): Ditto.
	(IPC_R): Ditto.
	(IPC_W): Ditto.
	(IPC_M): Ditto.
	* include/cygwin/msg.h: Use appropriate guard. #ifdef _KERNEL all stuff
	not explicitely defined by SUSv3. Use signed types in structs to match
	types used in BSD.
	(msgqnum_t): Define unsigned.
	(msglen_t): Ditto.
	(struct msqid_ds): Add msg_first and msg_last.
	(struct msginfo): Remove msgpool. Add msgssz and msgseg.
	* include/cygwin/sem.h: Use appropriate guard. #ifdef _KERNEL all stuff
	not explicitely defined by SUSv3. Use signed types in structs to match
	types used in BSD.
	(SEM_UNDO): Define appropriately.
	(struct semid_ds): Add sem_base.
	(struct seminfo): Add semmap and semusz.
	(SEM_A): New define from BSD.
	(SEM_R): Ditto.
	(SEM_ALLOC): Ditto.
	(union semun): Define.
	* include/cygwin/shm.h: Use appropriate guard. #ifdef _KERNEL all stuff
	not explicitely defined by SUSv3. Use signed types in structs to match
	types used in BSD.
	(SHMLBA): Define using cygwin_internal(CW_GET_SHMLBA) call.
	(struct shmid_ds): Add shm_internal.
	(struct shm_info): Rename shm_ids to used_ids as in BSD.  Add define
	for shm_ids.
	* include/cygwin/sysproto.h: New file.
	* include/cygwin/version.h: Bump API minor number.
	* include/sys/ipc.h: New file.
	* include/sys/msg.h: New file.
	* include/sys/queue.h: New file from BSD.
	* include/sys/sem.h: New file.
	* include/sys/shm.h: New file.
	* include/sys/sysproto.h: New file.
2003-11-19 18:50:23 +00:00

92 lines
1.9 KiB
C++

/* cygserver_msg.h: Single unix specification IPC interface for Cygwin.
Copyright 2003 Red Hat, Inc.
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. */
#ifndef __CYGSERVER_MSG_H__
#define __CYGSERVER_MSG_H__
#include <sys/types.h>
#include <sys/sysproto.h>
#ifndef _KERNEL
#define _KERNEL 1
#endif
#include <cygwin/msg.h>
#include "cygserver.h"
#include "cygserver_ipc.h"
#ifndef __INSIDE_CYGWIN__
class transport_layer_base;
class process_cache;
#endif
class client_request_msg : public client_request
{
friend class client_request;
public:
enum msgop_t
{
MSGOP_msgctl,
MSGOP_msgget,
MSGOP_msgrcv,
MSGOP_msgsnd
};
private:
union
{
struct
{
msgop_t msgop;
proc ipcblk;
union
{
struct msgctl_args ctlargs;
struct msgget_args getargs;
struct msgrcv_args rcvargs;
struct msgsnd_args sndargs;
};
} in;
union {
int ret;
ssize_t rcv;
} out;
} _parameters;
#ifndef __INSIDE_CYGWIN__
client_request_msg ();
virtual void serve (transport_layer_base *, process_cache *);
#endif
public:
#ifdef __INSIDE_CYGWIN__
client_request_msg (int, int, struct msqid_ds *); // msgctl
client_request_msg (key_t, int); // msgget
client_request_msg (int, void *, size_t, long, int); // msgrcv
client_request_msg (int, const void *, size_t, int); // msgsnd
#endif
int retval (void) const { return _parameters.out.ret; }
ssize_t rcvval (void) const { return _parameters.out.rcv; }
};
#ifndef __INSIDE_CYGWIN__
int msginit (void);
int msgunload (void);
int msgctl (struct thread *, struct msgctl_args *);
int msgget (struct thread *, struct msgget_args *);
int msgsnd (struct thread *, struct msgsnd_args *);
int msgrcv (struct thread *, struct msgrcv_args *);
#endif
#endif /* __CYGSERVER_MSG_H__ */