ExInitializeResourceLite routine
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ExInitializeResourceLite routine
ExInitializeResourceLite routine 初始化一个资源变量。
Syntax
NTSTATUS ExInitializeResourceLite(
_Out_ PERESOURCE Resource
);
Parameters
Resource [out]
指向一个调用者自定义的储存空间,它的大小至少是 sizeof(ERESOURCE)用于资源变量的初始化。储存空间必须在32为平台上4字节对齐,在64位系统上必须是8字节对其。
Return value
ExInitializeResourceLite返回STATUS_SUCCESS.
Remarks
ERESOURCE 的内存必须从nonpaged 内存池中申请。
资源变量能被一些线程用于同步操作。即使调用者提供了资源变量的内存空间,但是ERESOURCE 结构是不透明的:换句话说,它的成员是为系统使用保留的。
在释放资源的内存前先调用ExDeleteResourceLite 。
Requirements
Target platform
Universal
Version
Available starting with Windows 2000.
Header
Wdm.h (include Wdm.h, Ntddk.h, or Ntifs.h)
Library
NtosKrnl.lib
DLL
NtosKrnl.exe
IRQL
<= DISPATCH_LEVEL
DDI compliance rules
HwStorPortProhibitedDDIs
See also
ExAcquireResourceExclusiveLite
ExAcquireResourceSharedLite
ExAcquireSharedStarveExclusive
ExAcquireSharedWaitForExclusive
ExConvertExclusiveToSharedLite
ExDeleteResourceLite
ExIsResourceAcquiredExclusiveLite
ExIsResourceAcquiredSharedLite
ExReinitializeResourceLite
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