NtAddAtom - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers 
#ifndef _NTEXAPI_H
#if (PHNT_MODE != PHNT_MODE_KERNEL)

// Global atoms

NTSYSCALLAPI
NTSTATUS
NTAPI
NtAddAtom(
    _In_reads_bytes_opt_(Length) PCWSTR AtomName,
    _In_ ULONG Length,
    _Out_opt_ PRTL_ATOM Atom
    );

#endif
#endif

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#ifndef _NTZWAPI_H

NTSYSCALLAPI
NTSTATUS
NTAPI
ZwAddAtom(
    _In_reads_bytes_opt_(Length) PCWSTR AtomName,
    _In_ ULONG Length,
    _Out_opt_ PRTL_ATOM Atom
    );

#endif

View code on GitHub

Function NtAddAtom creates new Atom in Global Atom Table. If Atom with the same name already exist, internal Atom counter is incremented.

AtomName

UNICODE Atom name.

Atom

Result of call - pointer to RTL_ATOM.

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See also

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