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Reference for unit 'Sockets' (#rtl)

fpsend

Send data through socket

Declaration

Source position: socketsh.inc line 158

function fpsend(

s: cint;

msg: pointer;

len: size_t;

flags: cint

Description

fpSend sends Len bytes starting from address Msg to socket S. S must be in a connected state. Options can be passed in Flags.

The function returns the number of bytes sent, or -1 if a detectable error occurred.

Flags can be one of the following:

1: Process out-of band data.
4: Bypass routing, use a direct interface.

Errors

Errors are reported in SocketError, and include the following:

ESockEBADF: The socket descriptor is invalid.
ESockENOTSOCK: The descriptor is not a socket.
ESockEFAULT: The address is outside your address space.
ESockEMSGSIZE: The message cannot be sent atomically.
ESockEWOULDBLOCK: The requested operation would block the process.
ESockENOBUFS: The system doesn't have enough free buffers available.

See also

Receive data on socket