ReactOS 0.4.15-dev-8131-g4988de4
fxtagtracker.cpp File Reference
#include "fxobjectpch.hpp"
Include dependency graph for fxtagtracker.cpp:

Go to the source code of this file.

Functions

 _Success_ (return !=0) USHORT STDCALL RtlCaptureStackBackTrace(_In_ ULONG FramesToSkip
 
_In_ ULONG _Out_writes_to_ (FramesToCapture, return) PVOID *BackTrace
 

Variables

_In_ ULONG FramesToCapture
 
_In_ ULONG _Out_opt_ PULONG BackTraceHash
 

Function Documentation

◆ _Out_writes_to_()

_In_ ULONG _Out_writes_to_ ( FramesToCapture  ,
return   
)

◆ _Success_()

_Success_ ( return = 0)

Definition at line 1028 of file fsctrl.c.

3189{
3191
3192 PVPB Vpb = Vcb->Vpb;
3193 PVPB OldVpb;
3194
3195 BOOLEAN Remount = FALSE;
3196
3197 PAGED_CODE();
3198
3199 UNREFERENCED_PARAMETER( IrpContext );
3200
3201 //
3202 // Check whether we are looking for a device only Mvcb.
3203 //
3204
3205 for (Link = CdData.VcbQueue.Flink;
3206 Link != &CdData.VcbQueue;
3207 Link = Link->Flink) {
3208
3209 *OldVcb = CONTAINING_RECORD( Link, VCB, VcbLinks );
3210
3211 //
3212 // Skip ourselves.
3213 //
3214
3215 if (Vcb == *OldVcb) { continue; }
3216
3217 //
3218 // Look at the Vpb and state of the previous Vcb.
3219 //
3220
3221 OldVpb = (*OldVcb)->Vpb;
3222
3223 if ((OldVpb != Vpb) &&
3224 (OldVpb->RealDevice == Vpb->RealDevice) &&
3225 ((*OldVcb)->VcbCondition == VcbNotMounted)) {
3226
3227 //
3228 // If the current disk is a raw disk then it can match a previous music or
3229 // raw disk.
3230 //
3231
3232 if (FlagOn( Vcb->VcbState, VCB_STATE_AUDIO_DISK)) {
3233
3234 if (FlagOn( (*OldVcb)->VcbState, VCB_STATE_AUDIO_DISK )) {
3235
3236 //
3237 // If we have both TOC then fail the remount if the lengths
3238 // are different or they don't match.
3239 //
3240
3241 if ((Vcb->TocLength != (*OldVcb)->TocLength) ||
3242 ((Vcb->TocLength != 0) &&
3243 !RtlEqualMemory( Vcb->CdromToc,
3244 (*OldVcb)->CdromToc,
3245 Vcb->TocLength ))) {
3246
3247 continue;
3248 }
3249
3250 Remount = TRUE;
3251 break;
3252 }
3253
3254 //
3255 // The current disk is not a raw disk. Go ahead and compare
3256 // serial numbers, volume label and TOC.
3257 //
3258
3259 }
3260 else if ((OldVpb->SerialNumber == Vpb->SerialNumber) &&
3261 (Vcb->TocLength == (*OldVcb)->TocLength) &&
3262 ((Vcb->TocLength == 0) || RtlEqualMemory( Vcb->CdromToc,
3263 (*OldVcb)->CdromToc,
3264 Vcb->TocLength )) &&
3265 (Vpb->VolumeLabelLength == OldVpb->VolumeLabelLength) &&
3266 (RtlEqualMemory( OldVpb->VolumeLabel,
3267 Vpb->VolumeLabel,
3268 Vpb->VolumeLabelLength ))) {
3269 //
3270 // Remember the old Vcb. Then set the return value to
3271 // TRUE and break.
3272 //
3273
3274 Remount = TRUE;
3275 break;
3276 }
3277 }
3278 }
3279
3280 return Remount;
3281}
#define PAGED_CODE()
unsigned char BOOLEAN
CD_DATA CdData
Definition: cddata.c:42
#define VCB_STATE_AUDIO_DISK
Definition: cdstruc.h:712
@ VcbNotMounted
Definition: cdstruc.h:490
#define TRUE
Definition: types.h:120
#define FALSE
Definition: types.h:117
#define FlagOn(_F, _SF)
Definition: ext2fs.h:179
IN OUT PVCB IN PDEVICE_OBJECT IN PVPB Vpb
Definition: fatprocs.h:1675
#define RtlEqualMemory(a, b, c)
Definition: kdvm.h:18
#define UNREFERENCED_PARAMETER(P)
Definition: ntbasedef.h:317
#define Vcb
Definition: cdprocs.h:1415
LIST_ENTRY VcbQueue
Definition: cdstruc.h:334
Definition: typedefs.h:120
struct _LIST_ENTRY * Flink
Definition: typedefs.h:121
Definition: cdstruc.h:498
Definition: iotypes.h:189
WCHAR VolumeLabel[MAXIMUM_VOLUME_LABEL_LENGTH/sizeof(WCHAR)]
Definition: iotypes.h:198
USHORT VolumeLabelLength
Definition: iotypes.h:193
ULONG SerialNumber
Definition: iotypes.h:196
struct _DEVICE_OBJECT * RealDevice
Definition: iotypes.h:195
#define CONTAINING_RECORD(address, type, field)
Definition: typedefs.h:260
static int Link(const char **args)
Definition: vfdcmd.c:2414

Variable Documentation

◆ BackTraceHash

◆ FramesToCapture

_In_ ULONG FramesToCapture

Definition at line 45 of file fxtagtracker.cpp.

Referenced by KeRosCaptureUserStackBackTrace(), and RtlCaptureStackBackTrace().