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diff --git a/xpa/man/man3/xpamacros.3 b/xpa/man/man3/xpamacros.3 new file mode 100644 index 0000000..c9a6ab5 --- /dev/null +++ b/xpa/man/man3/xpamacros.3 @@ -0,0 +1,180 @@ +.\" Automatically generated by Pod::Man 2.22 (Pod::Simple 3.13) +.\" +.\" Standard preamble: +.\" ======================================================================== +.de Sp \" Vertical space (when we can't use .PP) +.if t .sp .5v +.if n .sp +.. +.de Vb \" Begin verbatim text +.ft CW +.nf +.ne \\$1 +.. +.de Ve \" End verbatim text +.ft R +.fi +.. +.\" Set up some character translations and predefined strings. \*(-- will +.\" give an unbreakable dash, \*(PI will give pi, \*(L" will give a left +.\" double quote, and \*(R" will give a right double quote. \*(C+ will +.\" give a nicer C++. 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Always turn off hyphenation; it makes +.\" way too many mistakes in technical documents. +.if n .ad l +.nh +.SH "NAME" +\&\fB\s-1XPA\s0 Server Callback Macros\fR +.SH "SYNOPSIS" +.IX Header "SYNOPSIS" +.Vb 1 +\& #include <xpa.h> +\& +\& xpa_class, xpa_name, xpa_method, xpa_cmdfd, xpa_datafd, +\& xpa_sendian, xpa_cendian +.Ve +.SH "DESCRIPTION" +.IX Header "DESCRIPTION" +Server routines have access to information about the \s-1XPA\s0 being called via +the following macros (each of which takes the xpa handle as an argument): +.PP +.Vb 9 +\& macro explanation +\& \-\-\-\-\-\- \-\-\-\-\-\-\-\-\-\-\- +\& xpa_class class of this xpa +\& xpa_name name of this xpa +\& xpa_method method string (inet or local connect info) +\& xpa_cmdfd fd of command socket +\& xpa_datafd fd of data socket +\& xpa_sendian endian\-ness of server ("little" or "big") +\& xpa_cendian endian\-ness of client ("little" or "big" +.Ve +.PP +The argument to these macros is the call_data pointer that is passed +to the server procedure. This pointer should be type case to \s-1XPA\s0 +in the server routine: +.PP +.Vb 1 +\& XPA xpa = (XPA)call_data; +.Ve +.PP +The most important of these macros is \fIxpa_datafd()\fR. A server routine +that sets \*(L"fillbuf=false\*(R" in receive_mode or send_mode can use this +macro to perform I/O directly to/from the client, rather than using +buf. +.PP +The xpa_cendian and xpa_sendian macros can be used together to determine +if the data transferred from the client is byte swapped with respect +to the server. Values for these macros are: \*(L"little\*(R", \*(L"big\*(R", or \*(L"?\*(R". +In order to do a proper conversion, you still need to know the format +of the data (i.e., byte swapping is dependent on the size of the data +element being converted). +.SH "SEE ALSO" +.IX Header "SEE ALSO" +See xpa(n) for a list of \s-1XPA\s0 help pages |