NtAcceptConnectPort function is used in LPC communication by server process for establish connection with client. It should be called after NtListenPort completes.

ServerPortHandle

Result of call - HANDLE to Port Object for established connection.

AlternativeReceivePortHandle

ConnectionReply

Pointer to LPC_MESSAGE structure received from NtListenPort.

AcceptConnection

If not set, connection on client's side will be refused.

ServerSharedMemory

If connection uses large data buffers, and a HANDLE to Section Object for shared memory window is created on server side, server process shout set this parameter to pointer to LPC_SECTION_OWNER_MEMORY structure with filled SectionHandle member.

ClientSharedMemory

Similar to ServerSharedMemory, but when connection client create Section Object. In this case server doesn't know section's HANDLE, but shared memory window is automatically mapped to his address space. Size and base address of mapped memory are returned in LPC_SECTION_MEMORY structure.

This function returns HANDLE to newly created Port Object. All other LPC functions for currently accepted connection should use this HANDLE, not a base named port HANDLE created with NtCreatePort.

Documented by

• Tomasz Nowak
• Bo Branten

See also

• LPC_MESSAGE
• LPC_SECTION_MEMORY
• LPC_SECTION_OWNER_MEMORY
• NtCompleteConnectPort
• NtCreatePort
• NtListenPort