63 lines
1.7 KiB
Plaintext
63 lines
1.7 KiB
Plaintext
[/
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/ Copyright (c) 2003-2013 Christopher M. Kohlhoff (chris at kohlhoff dot com)
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/
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/ Distributed under the Boost Software License, Version 1.0. (See accompanying
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/ file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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/]
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[section:GettableSocketOption Gettable socket option requirements]
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In the table below, `X` denotes a socket option class, `a` denotes a value of
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`X`, `p` denotes a value that meets the [link boost_asio.reference.Protocol
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protocol] requirements, and `u` denotes an identifier.
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[table GettableSocketOption requirements
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[[expression] [type] [assertion/note\npre/post-conditions]]
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[
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[`a.level(p);`]
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[`int`]
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[
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Returns a value suitable for passing as the /level/ argument to __POSIX__
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__getsockopt__ (or equivalent).
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]
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]
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[
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[`a.name(p);`]
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[`int`]
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[
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Returns a value suitable for passing as the /option_name/ argument to
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__POSIX__ __getsockopt__ (or equivalent).
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]
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]
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[
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[`a.data(p);`]
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[a pointer, convertible to `void*`]
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[
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Returns a pointer suitable for passing as the /option_value/ argument to
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__POSIX__ __getsockopt__ (or equivalent).
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]
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]
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[
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[`a.size(p);`]
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[`size_t`]
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[
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Returns a value suitable for passing as the /option_len/ argument to
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__POSIX__ __getsockopt__ (or equivalent), after appropriate
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integer conversion has been performed.
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]
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]
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[
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[`a.resize(p, s);`]
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[]
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[
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post: `a.size(p) == s`.\n
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Passed the value contained in the /option_len/ argument to __POSIX__
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__getsockopt__ (or equivalent) after successful completion of the
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function. Permitted to throw an exception if the socket option object `a`
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does not support the specified size.
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]
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]
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]
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[endsect]
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