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reactos/ntoskrnl/fsrtl/fsrtlpc.c
Timo Kreuzer 6afbc8f483 Hopefully create a branch and not destroy the svn repository. 
svn path=/branches/reactos-yarotows/; revision=45219
2010-01-23 23:25:04 +00:00

210 lines
12 KiB
C
Raw Blame History

/*
* PROJECT: ReactOS Kernel
* LICENSE: GPL - See COPYING in the top level directory
* FILE: ntoskrnl/fsrtl/fsrtlpc.c
* PURPOSE: Contains initialization and support code for the FsRtl
* PROGRAMMERS: Alex Ionescu (alex.ionescu@reactos.org)
*/
/* INCLUDES ******************************************************************/
#include <ntoskrnl.h>
#define NDEBUG
#include <debug.h>
/* GLOBALS *******************************************************************/
PERESOURCE FsRtlPagingIoResources;
ULONG FsRtlPagingIoResourceSelector;
static UCHAR LegalAnsiCharacterArray[] =
{
0, /* CTRL+@, 0x00 */
0, /* CTRL+A, 0x01 */
0, /* CTRL+B, 0x02 */
0, /* CTRL+C, 0x03 */
0, /* CTRL+D, 0x04 */
0, /* CTRL+E, 0x05 */
0, /* CTRL+F, 0x06 */
0, /* CTRL+G, 0x07 */
0, /* CTRL+H, 0x08 */
0, /* CTRL+I, 0x09 */
0, /* CTRL+J, 0x0a */
0, /* CTRL+K, 0x0b */
0, /* CTRL+L, 0x0c */
0, /* CTRL+M, 0x0d */
0, /* CTRL+N, 0x0e */
0, /* CTRL+O, 0x0f */
0, /* CTRL+P, 0x10 */
0, /* CTRL+Q, 0x11 */
0, /* CTRL+R, 0x12 */
0, /* CTRL+S, 0x13 */
0, /* CTRL+T, 0x14 */
0, /* CTRL+U, 0x15 */
0, /* CTRL+V, 0x16 */
0, /* CTRL+W, 0x17 */
0, /* CTRL+X, 0x18 */
0, /* CTRL+Y, 0x19 */
0, /* CTRL+Z, 0x1a */
0, /* CTRL+[, 0x1b */
0, /* CTRL+\, 0x1c */
0, /* CTRL+], 0x1d */
0, /* CTRL+^, 0x1e */
0, /* CTRL+_, 0x1f */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* ` ', 0x20 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `!', 0x21 */
FSRTL_WILD_CHARACTER, /* `"', 0x22 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `#', 0x23 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `$', 0x24 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `%', 0x25 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `&', 0x26 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `'', 0x27 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `(', 0x28 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `)', 0x29 */
FSRTL_WILD_CHARACTER, /* `*', 0x2a */
FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `+', 0x2b */
FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `,', 0x2c */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `-', 0x2d */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `.', 0x2e */
0, /* `/', 0x2f */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `0', 0x30 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `1', 0x31 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `2', 0x32 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `3', 0x33 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `4', 0x34 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `5', 0x35 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `6', 0x36 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `7', 0x37 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `8', 0x38 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `9', 0x39 */
FSRTL_NTFS_LEGAL, /* `:', 0x3a */
FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `;', 0x3b */
FSRTL_WILD_CHARACTER, /* `<', 0x3c */
FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `=', 0x3d */
FSRTL_WILD_CHARACTER, /* `>', 0x3e */
FSRTL_WILD_CHARACTER, /* `?', 0x3f */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `@', 0x40 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `A', 0x41 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `B', 0x42 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `C', 0x43 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `D', 0x44 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `E', 0x45 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `F', 0x46 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `G', 0x47 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `H', 0x48 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `I', 0x49 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `J', 0x4a */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `K', 0x4b */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `L', 0x4c */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `M', 0x4d */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `N', 0x4e */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `O', 0x4f */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `P', 0x50 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `Q', 0x51 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `R', 0x52 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `S', 0x53 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `T', 0x54 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `U', 0x55 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `V', 0x56 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `W', 0x57 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `X', 0x58 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `Y', 0x59 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `Z', 0x5a */
FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `[', 0x5b */
0, /* `\', 0x5c */
FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `]', 0x5d */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `^', 0x5e */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `_', 0x5f */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* ``', 0x60 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `a', 0x61 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `b', 0x62 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `c', 0x63 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `d', 0x64 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `e', 0x65 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `f', 0x66 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `g', 0x67 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `h', 0x68 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `i', 0x69 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `j', 0x6a */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `k', 0x6b */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `l', 0x6c */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `m', 0x6d */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `n', 0x6e */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `o', 0x6f */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `p', 0x70 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `q', 0x71 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `r', 0x72 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `s', 0x73 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `t', 0x74 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `u', 0x75 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `v', 0x76 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `w', 0x77 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `x', 0x78 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `y', 0x79 */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `z', 0x7a */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `{', 0x7b */
0, /* `|', 0x7c */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `}', 0x7d */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `~', 0x7e */
FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL /* 0x7f */
};
PUCHAR FsRtlLegalAnsiCharacterArray = LegalAnsiCharacterArray;
/* PRIVATE FUNCTIONS *********************************************************/
BOOLEAN
NTAPI
FsRtlInitSystem(VOID)
{
ULONG i;
/* Initialize the list for granted locks */
ExInitializePagedLookasideList(&FsRtlFileLockLookasideList,
NULL,
NULL,
0,
sizeof(FILE_LOCK),
IFS_POOL_TAG,
0);
/* Allocate the Resource Buffer */
FsRtlPagingIoResources = FsRtlAllocatePoolWithTag(NonPagedPool,
FSRTL_MAX_RESOURCES *
sizeof(ERESOURCE),
'eRsF');
/* Initialize the Resources */
for (i = 0; i < FSRTL_MAX_RESOURCES; i++)
{
ExInitializeResource(&FsRtlPagingIoResources[i]);
}
return TRUE;
}
/* PUBLIC FUNCTIONS **********************************************************/
/*++
* @name FsRtlAllocateResource
* @implemented NT 4.0
*
* The FsRtlAllocateResource routine returns a pre-initialized ERESOURCE
* for use by a File System Driver.
*
* @return A Pointer to a pre-initialized ERESOURCE.
*
* @remarks The File System Library only provides up to 16 Resources.
*
*--*/
PERESOURCE
NTAPI
FsRtlAllocateResource(VOID)
{
PAGED_CODE();
/* Return a preallocated ERESOURCE */
return &FsRtlPagingIoResources[FsRtlPagingIoResourceSelector++ %
FSRTL_MAX_RESOURCES];
}
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