TN3270e Server Manual

ITI Communication Protocol

TN3270e Server Manual—422923-003

6-15

WRITEREAD [x] Procedure

A WRITEREAD procedure is processed by the TN3270e server as a WRITE request

followed by a READ request from the application process.

filenumber

INT:value

is the number of the file where the WRITE/READ is to occur.

buffer

is the information to be written to the file and, when returned, buffer contains the

information read from the file.

write-count

INT:value

is the number of bytes to be written.

read-count

INT:value

is the number of bytes to be read.

count-read

is for waited I/O operations only. It returns the number of bytes returned to buffer.

tag

INT(32):value

is for nowait I/O operations only. tag is a value that you specify which uniquely

identifies the operation associated with this WRITEREAD[x] procedure.

CALL WRITEREAD[x] (filenumber, buffer, write-count, read-

count

[, count-read ] [, tag ])

INT .ref:* (for WRITEREAD)

STRING .EXT:ref:* (for WRITEREAD[x])

INT .ref:1 (for WRITEREAD)

INT .EXT:ref:1 (for WRITEREAD[x])