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1d15821acb
TODO: Need to ensure child shmat()s its own utcb after a fork (possibly in libposix/fork.c)
61 lines
1.8 KiB
C
61 lines
1.8 KiB
C
/*
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* Copyright (C) 2007, 2008 Bahadir Balban
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*
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* This file contains ipc definitions that are needed for server tasks
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* to communicate with each other. For example common shared memory ids
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* between two servers, or common ipc tags used between two servers are
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* defined here.
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*/
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#ifndef __IPCDEFS_H__
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#define __IPCDEFS_H__
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#include <l4/api/ipc.h>
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/* SHMID used betweeen FS0 and BLKDEV0 servers */
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#define FS_BLKDEV_SHMID 0
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/*** IPC Tags used between server tasks ***/
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/* For ping ponging */
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#define L4_IPC_TAG_WAIT 3
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/* To obtain utcb address */
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#define L4_IPC_TAG_UTCB 4
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/* XXX: unused */
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#define L4_IPC_TAG_GRANT 5
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/* Posix system call tags */
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#define L4_IPC_TAG_SHMGET 6
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#define L4_IPC_TAG_SHMAT 7
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#define L4_IPC_TAG_SHMDT 8
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#define L4_IPC_TAG_MMAP 9
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#define L4_IPC_TAG_MUNMAP 10
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#define L4_IPC_TAG_MSYNC 11
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#define L4_IPC_TAG_OPEN 12
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#define L4_IPC_TAG_READ 13
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#define L4_IPC_TAG_WRITE 14
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#define L4_IPC_TAG_LSEEK 15
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#define L4_IPC_TAG_CLOSE 16
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#define L4_IPC_TAG_BRK 17
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#define L4_IPC_TAG_READDIR 18
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#define L4_IPC_TAG_MKDIR 19
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#define L4_IPC_TAG_MMAP2 20
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#define L4_IPC_TAG_CHDIR 21
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#define L4_IPC_TAG_FORK 22
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#define L4_IPC_TAG_STAT 23
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#define L4_IPC_TAG_FSTAT 24
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#define L4_IPC_TAG_FSYNC 25 /* Pager notifies vfs of file close */
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/* Tags for ipc between fs0 and mm0 */
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#define L4_IPC_TAG_TASKDATA 40
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#define L4_IPC_TAG_PAGER_OPEN 41 /* vfs sends the pager open file data. */
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#define L4_IPC_TAG_PAGER_READ 42 /* Pager reads file contents from vfs */
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#define L4_IPC_TAG_PAGER_WRITE 43 /* Pager writes file contents to vfs */
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#define L4_IPC_TAG_PAGER_CLOSE 44 /* Pager notifies vfs of file close */
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#define L4_IPC_TAG_PAGER_UPDATE_STATS 45 /* Pager updates file stats in vfs */
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#define L4_IPC_TAG_NOTIFY_FORK 46 /* Pager notifies vfs of process fork */
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#endif /* __IPCDEFS_H__ */
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