path: root/man3/LIBAXL_REQUEST_NO_OPERATION.3

.TH LIBAXL_REQUEST_NO_OPERATION 3 libaxl
.SH NAME
LIBAXL_REQUEST_NO_OPERATION - Do nothing
.SH SYNOPSIS
.nf
#include <libaxl.h>

#define LIBAXL_REQUEST_NO_OPERATION 127
struct libaxl_request_no_operation {
        uint8_t     \fIopcode\fP;
        uint8_t     \fI__pad\fP;
        uint16_t    \fIrequest_length\fP;
};
.fi
.SH DESCRIPTION
The display server shall consume but ignore the
request. The display server shall not generate
any request or any response or take any action.
.PP
This request is not generally useful.
.PP
The value of the
.I opcode
field shall be
.I LIBAXL_REQUEST_NO_OPERATION
to signify that the request is of the request
described in this document.
.PP
The value of the
.I request_length
field shall be set to any positive value. The
sent message will be this number times 4 bytes
in size. The minimum value of this field is
useful where the client finds it convient to
add padding to force requests to begin on
64-bit boundaries.
.PP
Other fields are filled in automatically by the
.BR libaxl_send_request (3)
function.
.SH ERRORS
None.
.SH REPLIES
None.
.SH SEE ALSO
.BR libaxl_send_request (3)