TCPIP Services, Programming Interfaces, Sockets API, $QIO
*Conan The Librarian (sorry for the slow response - running on an old VAX)
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/sys$common/syshlp/helplib.hlb TCPIP Services, Programming Interfaces, Sockets API, $QIO *Conan The Librarian (sorry for the slow response - running on an old VAX) |
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Queues an I/O request to a channel associated with a network
pseudodevice.
The $QIO service is completed asynchronously; that is, it returns
to the caller immediately after queuing the I/O request, without
waiting for the I/O operation to be completed. )
For synchronous completion, use the Queue I/O Request and Wait
($QIOW) service. The $QIOW service is identical to the $QIO
service, except the $QIOW returns to the caller after the I/O
operation has completed.
On Alpha systems, this service accepts 64-bit addresses.
Format
SYS$QIO [efn],chan,func, [iosb],[astadr],[astprm],
[p1],[p2],[p3],[p4], [p5],[p6]
C Prototype
int sys$qio (unsigned int efn, unsigned short int chan,
unsigned int func, struct _iosb *iosb, void
(*astadr)(__unknown_params), __int64 astprm, void
*p1, __int64 p2, __int64 p3, __int64 p4, __int64
p5, __int64 p6);
Returns
OpenVMS usage:cond_value
type: longword (unsigned)
access: write only
mechanism: by value
Longword condition value. All system services return (by
immediate value) a condition value in R0. Condition values that
can be returned by this service are listed under Condition Values
Returned.
Additional Information (explode) :
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