Public/winfsp
1
0
Fork 0
mirror of https://github.com/winfsp/winfsp.git synced 2025-07-03 09:22:57 -05:00
Code Issues Packages Projects Releases Wiki Activity

sys: FspFileNodeCopyActiveList, FspFileNodeCopyOpenList

Browse Source
This commit is contained in:
Bill Zissimopoulos
2017-01-03 23:14:33 -08:00
parent 95bbb584eb
commit 638e5a20b6
5 changed files with 81 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

47
src/sys/device.c
View File

@ -43,6 +43,8 @@ VOID FspFsvolDeviceFileRenameRelease(PDEVICE_OBJECT DeviceObject);
VOID FspFsvolDeviceFileRenameReleaseOwner(PDEVICE_OBJECT DeviceObject, PVOID Owner);
VOID FspFsvolDeviceLockContextTable(PDEVICE_OBJECT DeviceObject);
VOID FspFsvolDeviceUnlockContextTable(PDEVICE_OBJECT DeviceObject);
NTSTATUS FspFsvolDeviceCopyContextList(PDEVICE_OBJECT DeviceObject,
PVOID **PContexts, PULONG PContextCount);
NTSTATUS FspFsvolDeviceCopyContextByNameList(PDEVICE_OBJECT DeviceObject,
PVOID **PContexts, PULONG PContextCount);
VOID FspFsvolDeviceDeleteContextList(PVOID *Contexts, ULONG ContextCount);
@ -80,6 +82,7 @@ VOID FspDeviceDeleteAll(VOID);
#pragma alloc_text(PAGE, FspFsvolDeviceFileRenameReleaseOwner)
#pragma alloc_text(PAGE, FspFsvolDeviceLockContextTable)
#pragma alloc_text(PAGE, FspFsvolDeviceUnlockContextTable)
#pragma alloc_text(PAGE, FspFsvolDeviceCopyContextList)
#pragma alloc_text(PAGE, FspFsvolDeviceCopyContextByNameList)
#pragma alloc_text(PAGE, FspFsvolDeviceDeleteContextList)
#pragma alloc_text(PAGE, FspFsvolDeviceEnumerateContextByName)
@ -587,6 +590,50 @@ VOID FspFsvolDeviceUnlockContextTable(PDEVICE_OBJECT DeviceObject)
ExReleaseResourceLite(&FsvolDeviceExtension->ContextTableResource);
}
NTSTATUS FspFsvolDeviceCopyContextList(PDEVICE_OBJECT DeviceObject,
PVOID **PContexts, PULONG PContextCount)
{
PAGED_CODE();
FSP_FSVOL_DEVICE_EXTENSION *FsvolDeviceExtension = FspFsvolDeviceExtension(DeviceObject);
PVOID *Contexts;
ULONG ContextCount, Index;
*PContexts = 0;
*PContextCount = 0;
ContextCount = 0;
for (
PLIST_ENTRY Head = &FsvolDeviceExtension->ContextList, Entry = Head->Flink;
Head != Entry;
Entry = Entry->Flink)
{
ContextCount++;
}
/* if ContextCount == 0 allocate an empty Context list */
Contexts = FspAlloc(sizeof(PVOID) * (0 != ContextCount ? ContextCount : 1));
if (0 == Contexts)
return STATUS_INSUFFICIENT_RESOURCES;
Index = 0;
for (
PLIST_ENTRY Head = &FsvolDeviceExtension->ContextList, Entry = Head->Flink;
Head != Entry;
Entry = Entry->Flink)
{
ASSERT(Index < ContextCount);
Contexts[Index++] = CONTAINING_RECORD(Entry, FSP_FILE_NODE, ActiveEntry);
/* assume that Contexts can only be FSP_FILE_NODE's */
}
ASSERT(Index == ContextCount);
*PContexts = Contexts;
*PContextCount = Index;
return STATUS_SUCCESS;
}
NTSTATUS FspFsvolDeviceCopyContextByNameList(PDEVICE_OBJECT DeviceObject,
PVOID **PContexts, PULONG PContextCount)
{