ipc.h

一个操作系统的源代码

/** ipc.h
 **
 ** Original Author: Guido de Jong
 ** Date: 01/06/99
 **
 ** Description:
 ** Interprocess Communication
 ** 
 ** This program is free software, you can redistribute it and/or
 ** modify it under the terms of the GNU General Public License
 ** as published by the Free Software Foundation; either version
 ** 2 of the License, or (at your option) any later version.
 **
 ** This program is distributed in the hope that it will be
 ** useful, but WITHOUT ANY WARRANTY; without even the implied
 ** warranty or MERCHANTABILITY or FITNESS FOR A PARTICULAR
 ** PURPOSE.  See the GNU General Public License for more
 ** details.
 **
 ** You should have received a copy of the GNU General Public
 ** License along with this program; if not, write to the
 ** Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 ** Boston, MA 02111-1307 USA
 **
 *********************************************************Apostle OS**/

#ifndef __IPC_H_
#define __IPC_H_

#include <address_space.h>
#include <process.h>

/* IPC option types */
/* Send options */
#define IPC_SND_WAIT4EVER 0x0001
#define IPC_SND_REGISTERS 0x0002
#define IPC_SND_MEMORY    0x0004
#define IPC_SND_IO        0x0008
/* only applicable for type memory */
#define IPC_SND_MAPPING   0x0010
#define IPC_SND_GRANTING  0x0020
#define IPC_SND_READ_ONLY 0x0040
#define IPC_SND_NO_ACCESS 0x0080
/* Receive options */
#define IPC_RCV_WAIT4EVER 0x0100
#define IPC_RCV_REGISTERS 0x0200
#define IPC_RCV_MEMORY    0x0400
#define IPC_RCV_IO        0x0800
/* only applicable for type memory */
#define IPC_RCV_MAPPING   0x1000
#define IPC_RCV_GRANTING  0x2000
#define IPC_RCV_READ_ONLY 0x4000
#define IPC_RCV_NO_ACCESS 0x8000

#define IPC_CALL_REMOTE   0x80000000

/* convert send & receive options
 * NOTE: WAIT4EVER is always cleared! */
#define IPC_SND_RCV(x) ((x & 0xfe) << 8)
#define IPC_RCV_SND(x) ((x >> 8) & 0xfe)

/* IPC return values */
#define IPC_REGISTERS_OK 0x01
#define IPC_MEMORY_OK    0x02
#define IPC_IO_OK        0x04
#define IPC_CALL_OK      0x08

/* Assign options */
#define ASSIGN_MAPPING   0x0001
#define ASSIGN_GRANTING  0x0002
#define ASSIGN_READ_ONLY 0x0004
#define ASSIGN_NO_ACCESS 0x0008

/* Unmap options */
#define UNMAP_PARTIAL 0x01
#define UNMAP_METOO   0x02

typedef dword IPC_Options;

int SendTo(dword eax, dword edx, dword ecx, dword ebx,
           dword ebp, dword esi, dword edi);
int ReceiveFrom(dword eax, dword edx, dword ecx, dword ebx,
                dword ebp, dword esi, dword edi);
int CallRemote(dword eax, dword edx, dword ecx, dword ebx,
               dword ebp, dword esi, dword edi);
int SendReceive(dword eax, dword edx, dword ecx, dword ebx,
                dword ebp, dword esi, dword edi);

#endif /* __IPC_H_ */