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64fff5224437060dcd1ba253a3e1b40994433e1d
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1278 Commits

Author SHA1 Message Date
Christopher Kohlhoff
64fff52244 Only use io_uring for descriptors if it's the default backend. 2021-10-29 20:50:25 +11:00
Christopher Kohlhoff
8929b99528 Add missing documentation for parameter. 2021-10-27 13:50:32 +11:00
Christopher Kohlhoff
028630b0f8 Add support for portable pipes. 
This change add supports for pipes on POSIX and Windows (when I/O
completion ports are available). For example, to create and use a
connected pair of pipe objects:

  asio::readable_pipe read_end;
  asio::writable_pipe write_end;
  asio::connect_pipe(read_end, write_end);

  write_end.async_write_some(my_write_buffer,
      [](error_code e, size_t n)
      {
        // ...
      });

  read_end.async_read_some(my_read_buffer,
      [](error_code e, size_t n)
      {
        // ...
      });
 2021-10-27 13:47:03 +11:00
Christopher Kohlhoff
c6b9f33dcf Add support for files. 
This change adds support for stream-oriented and random-access files.
For example, to write to a newly created stream-oriented file:

  asio::stream_file file(
      my_io_context, "/path/to/file",
      asio::stream_file::write_only
        | asio::stream_file::create
        | asio::stream_file::truncate);

  file.async_write_some(my_buffer,
      [](error_code e, size_t n)
      {
        // ...
      });

or to read from a random-access file:

  asio::random_access_file file(
      my_io_context, "/path/to/file",
      asio::random_access_file::read_only);

  file.async_read_some_at(1234, my_buffer,
      [](error_code e, size_t n)
      {
        // ...
      });

This feature currently supports I/O completion ports on Windows, and
io_uring on Linux (define BOOST_ASIO_HAS_IO_URING to enable).
 2021-10-25 12:15:08 +11:00
Christopher Kohlhoff
292dcdcb94 Add io_uring backend. 
Added support for using io_uring as the backend for all I/O objects,
including sockets, timers, and posix descriptors.

This backend is disabled by default, and must be enabled by defining
both BOOST_ASIO_HAS_IO_URING and BOOST_ASIO_DISABLE_EPOLL.

(Note: Simply defining BOOST_ASIO_HAS_IO_URING alone will enable the
backend without using it for the existing I/O objects. This allows it
to be used for I/O objects that require io_uring support, such as
files.)

This support depends on the liburing library at both compile and link
time. Add '-luring' to your list of libraries for linking.
 2021-10-25 12:12:43 +11:00
Christopher Kohlhoff
70d12f5ebf Decouple the scheduler from the concrete task type. 2021-10-25 11:58:37 +11:00
Christopher Kohlhoff
f6186d659c Revert "Don't use shared_ptr in basic_socket_streambuf implementation." 2021-10-25 11:58:19 +11:00
Christopher Kohlhoff
7324fd94db Increase small object buffer size for any_executor. 2021-10-25 11:58:01 +11:00
Christopher Kohlhoff
4e405c2018 Reduce size of io_context executors to a single pointer. 2021-10-25 11:57:14 +11:00
Christopher Kohlhoff
f90ce170d5 Fix multi-signature handling when variadic templates are disabled. 2021-10-17 11:10:23 +11:00
Christopher Kohlhoff
9e220ac0c9 Add execution::is_executor<> specialisations for non-executors. 2021-10-17 11:09:57 +11:00
Christopher Kohlhoff
66ae046410 Add empty explicit specialisation of is_valid_target_executor<int, ...>. 2021-10-17 11:09:33 +11:00
Christopher Kohlhoff
a6c9608985 Enable separate compilation for cancellation_signal/slot. 2021-10-17 11:09:20 +11:00
Christopher Kohlhoff
98f58eec1f Enable separate compilation for any_io_executor. 2021-10-17 11:08:58 +11:00
Christopher Kohlhoff
737a2a0aa9 Don't use shared_ptr in basic_socket_streambuf implementation. 2021-10-17 11:05:21 +11:00
Christopher Kohlhoff
676b450e41 Add empty explicit specialisation composed_work_guard<system_executor>. 2021-10-17 11:04:48 +11:00
Christopher Kohlhoff
58050a2036 Enable ASIO_HAS_STD_INVOKE_RESULT with libc++13. 
In c++20 mode std::result_of has been retired as per the standard,
causing compile errors.
 2021-10-17 11:04:33 +11:00
Christopher Kohlhoff
bb05560d61 Disable non-virtual destructor warning on MSVC. 2021-10-17 11:04:17 +11:00
Christopher Kohlhoff
a8b564de46 Fix the initialisation order of members. 
Reorder the constructor list in `win_iocp_socket_accept_op`, so that
`proxy_op` comes before `cancel_requested`, matching the order in which
these members are declared.

This addresses a warning that members are constructed out-of-order.
 2021-10-17 11:03:58 +11:00
Christopher Kohlhoff
38e4883c21 Fix typo in io_context documentation (overlaod -> overload). 2021-10-17 11:03:31 +11:00
Christopher Kohlhoff
e2c30f4455 Fix compilation on Solaris. 2021-10-17 11:02:55 +11:00
Christopher Kohlhoff
138ff6f68f Fix defence against macros defined by Qt on MSVC. 2021-10-17 11:02:39 +11:00
Christopher Kohlhoff
290ccf5a73 Use declval in is_legacy_connect_condition check. 
gcc 11.2 at -O3 rejects:

error: 'this' pointer is null [-Werror=nonnull]
   77 |         (*static_cast<legacy_connect_condition_helper<T, Iterator>*>(0))(
      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
   78 |           *static_cast<const asio::error_code*>(0),
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   79 |           *static_cast<const Iterator*>(0)))) != 1;
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 2021-10-17 11:01:58 +11:00
Christopher Kohlhoff
a6f695ae55 More doc fixes for per-operation cancellation. 2021-08-05 11:23:31 +10:00
Christopher Kohlhoff
51583924ba Revert accidental code change in b12ae3da40. 2021-08-05 10:53:29 +10:00
Christopher Kohlhoff
b12ae3da40 Document per-operation cancellation for coroutines. 2021-08-05 10:31:54 +10:00
Christopher Kohlhoff
87f74576b9 Version bump. 2021-08-04 22:18:50 +10:00
Christopher Kohlhoff
d38deaa771 Add documentation for parallel_group. 2021-08-04 22:15:51 +10:00
Klemens
9369dbb269 Gcc fixes for promise & coro. 2021-08-03 17:56:56 +10:00
Christopher Kohlhoff
b0c59119b7 Ensure parallel_group respects operations' associated executors. 2021-08-01 18:30:53 +10:00
Christopher Kohlhoff
eda851faa9 Fix typo. 2021-08-01 18:26:49 +10:00
Christopher Kohlhoff
2c20ef0da1 Add missing move of executor. 2021-07-31 19:29:02 +10:00
Christopher Kohlhoff
0938b4e425 Fix posix::basic_stream_descriptor move operations. 
They were only working when using the default executor.
 2021-07-31 19:28:50 +10:00
Christopher Kohlhoff
1580a27777 Fix handler type requirements checking to reflect rvalue completion handler invocation. 2021-07-20 17:44:15 +10:00
Christopher Kohlhoff
318fee3a20 Fix compilation errors when dev_poll_reactor backend is used. 2021-07-20 17:43:27 +10:00
Christopher Kohlhoff
0ed8cce777 Enable 'expression SFINAE' for recent MSVC using /std:c++latest. 2021-07-20 17:43:11 +10:00
Christopher Kohlhoff
23246bec20 Use c++20 / coroutines with gcc10 build. 2021-07-17 12:59:04 +10:00
Christopher Kohlhoff
20ff7b2c1a Clean up memory recycling to ensure the cache size is used consistently. 2021-07-17 12:58:45 +10:00
Christopher Kohlhoff
2bfe4e9bf4 Fix argument evaluation order issue with a potentially moved-from variable. 2021-07-15 12:04:47 +10:00
Christopher Kohlhoff
31b21a0347 Add missing push/pop_options includes. 2021-07-15 12:04:39 +10:00
Christopher Kohlhoff
dc65ef1bfd Add tag to disambiguate deferred constructors. 2021-07-15 12:04:27 +10:00
Christopher Kohlhoff
9ee3a1673e Add missing lvalue-qualified overloads for operator(). 2021-07-15 12:04:16 +10:00
Christopher Kohlhoff
d70f7e4440 Add missing 'boost_' prefix to namespaces during boostification. 2021-07-15 12:04:02 +10:00
Christopher Kohlhoff
ada04ca76f Defend against macros defined by Qt. 2021-07-15 12:03:40 +10:00
Christopher Kohlhoff
e7f8e5eea5 Make awaitable_tag memory recycling use the configurable cache size. 2021-07-15 12:03:29 +10:00
Christopher Kohlhoff
f6d3a8c2ef Version bump. 2021-07-15 12:03:16 +10:00
Christopher Kohlhoff
a51b9b8198 Ensure un-cancelled ops are correctly placed back in the queue. 2021-07-11 22:03:29 +10:00
Christopher Kohlhoff
aafa4c6471 Document supported cancellation types. 2021-07-11 19:12:44 +10:00
Christopher Kohlhoff
2f207559f0 Fix compatibility with recent LibreSSL when OPENSSL_NO_SSL_INTERN is defined. 2021-07-11 16:45:55 +10:00
Christopher Kohlhoff
455729198e Disable coroutines support for the clang shipped with MSVC. 2021-07-11 16:45:42 +10:00