SeLockSubjectContext function (ntifs.h)

The SeLockSubjectContext routine locks the primary and impersonation tokens of a captured subject context.

Syntax

void SeLockSubjectContext(
  [in] PSECURITY_SUBJECT_CONTEXT SubjectContext
);

Parameters

[in] SubjectContext

Pointer to the SECURITY_SUBJECT_CONTEXT structure. This opaque structure is obtained from the operating system in a call to SeCaptureSubjectContextEx or SeCaptureSubjectContext.

Return value

None

Remarks

SeLockSubjectContext acquires read locks on the primary and impersonation tokens of a captured subject context. Each call to SeLockSubjectContext must be matched by a subsequent call to SeUnlockSubjectContext.

To capture a subject context, use SeCaptureSubjectContextEx or SeCaptureSubjectContext.

For more information about security and access control, see Windows security model for driver developers and the documentation on these topics in the Windows SDK.

Requirements

See also

SECURITY_SUBJECT_CONTEXT

SeCaptureSubjectContextEx

SeUnlockSubjectContext