Protocol_ReadData (changes)
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URL_Fetcher
» Protocol module interface
» Protocol_ReadData
Protocol_ReadData
(SWI SWI_base+2)
Read data pending from a request.
| Entry | ||
|---|---|---|
| R0 | Flags: all bits currently reserved (must be zero) | |
| R1 | Session identifier | |
| R2 | Address of client’s data buffer. | |
| R3 | Size of client’s data buffer. |
| Exit | |
|---|---|
| R0 | Protocol status word (see URL_Status for details) |
| R2 | As URL_ReadData |
| R3 | As URL_ReadData |
| R4 | As URL_ReadData |
| R5 | As URL_ReadData |
| All other registers preserved. | |
Interrupts
Interrupt status is protocol module dependent.
Re-entrancy
SWI re-entrancy is protocol module dependent.
Use
This SWI is used to read the data pending from a request, find out how much data has been read on this call and how much more there is remaining to be read for the request. The register usage and description is the same as for SWI URL_ReadData. The URL module calls this SWI in response to one of its clients calling SWI URL_ReadData.
See also
- URL_ReadData
- URL_ProtocolRegister
- URL_ProtocolDeregister
- Protocol_GetData
- Protocol_Stop
- HTTP_ReadData?
Related vectors
None
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