fpsend function
Send data through socket.
Declaration
function fpsend(s: cint; msg: pointer; len: size_t; flags: cint)
: ssize_tDescription
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
An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.
