#include "cdprocs.h"

Include dependency graph for resrcsup.c:

Macros
#define	BugCheckFileId (CDFS_BUG_CHECK_RESRCSUP)

Functions
	_Requires_lock_held_ (_Global_critical_region_)

BOOLEAN NTAPI	CdNoopAcquire (_In_ PVOID Fcb, _In_ BOOLEAN Wait)

VOID NTAPI	CdNoopRelease (_In_ PVOID Fcb)

	_Function_class_ (FAST_IO_RELEASE_FILE)

Macro Definition Documentation

◆ BugCheckFileId

#define BugCheckFileId (CDFS_BUG_CHECK_RESRCSUP)

Definition at line 22 of file resrcsup.c.

Function Documentation

◆ _Function_class_()

_Function_class_ ( FAST_IO_RELEASE_FILE )

Definition at line 366 of file resrcsup.c.

 {
     PAGED_CODE();
 
     //
     //  Release the resources.
     //
 
     ExReleaseResourceLite( &((PFCB) FileObject->FsContext)->FcbNonpaged->FcbResource );
     ExReleaseResourceLite( ((PFCB) FileObject->FsContext)->Resource);
 }

◆ _Requires_lock_held_()

_Requires_lock_held_ ( _Global_critical_region_ )

Definition at line 36 of file resrcsup.c.

 {
     BOOLEAN Wait = FALSE;
     BOOLEAN Acquired;
     PAGED_CODE();
 
     //
     //  We look first at the IgnoreWait flag, next at the flag in the Irp
     //  Context to decide how to acquire this resource.
     //
 
     if (!IgnoreWait && FlagOn( IrpContext->Flags, IRP_CONTEXT_FLAG_WAIT )) {
 
         Wait = TRUE;
     }
 
     //
     //  Attempt to acquire the resource either shared or exclusively.
     //
 
     switch (Type) {
         case AcquireExclusive:
 
 #ifdef _MSC_VER
 #pragma prefast( suppress:28137, "prefast believes Wait should be a constant, but this is ok for CDFS" )
 #endif
             Acquired = ExAcquireResourceExclusiveLite( Resource, Wait );
             break;
 
         case AcquireShared:
 
             Acquired = ExAcquireResourceSharedLite( Resource, Wait );
             break;
 
         case AcquireSharedStarveExclusive:
 
             Acquired = ExAcquireSharedStarveExclusive( Resource, Wait );
             break;
 
         default:
             Acquired = FALSE;
             NT_ASSERT( FALSE );
     }
 
     //
     //  If not acquired and the user didn't specifiy IgnoreWait then
     //  raise CANT_WAIT.
     //
 
     if (!Acquired && !IgnoreWait) {
 
         CdRaiseStatus( IrpContext, STATUS_CANT_WAIT );
     }
 
     return Acquired;
 }

◆ CdNoopAcquire()

BOOLEAN NTAPI CdNoopAcquire	(	_In_ PVOID	Fcb,
		_In_ BOOLEAN	Wait
	)

Definition at line 218 of file resrcsup.c.

 {
     PAGED_CODE();
 
     UNREFERENCED_PARAMETER( Fcb );
     UNREFERENCED_PARAMETER( Wait );
 
     return TRUE;
 }

Referenced by CdInitializeGlobalData().

◆ CdNoopRelease()

VOID NTAPI CdNoopRelease ( _In_ PVOID Fcb )

Definition at line 254 of file resrcsup.c.

 {
     PAGED_CODE();
 
     UNREFERENCED_PARAMETER( Fcb );
 }