/usr/include/proton/event_loop.hpp is in libqpid-proton-cpp8-dev 0.14.0-5.1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 | #ifndef PROTON_EVENT_LOOP_HPP
#define PROTON_EVENT_LOOP_HPP
/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
#include "./internal/config.hpp"
#include "./function.hpp"
#include <functional>
#if PN_CPP_HAS_CPP11
#include <future>
#include <type_traits>
#endif
struct pn_connection_t;
struct pn_session_t;
struct pn_link_t;
namespace proton {
/// **Experimental** - A handler for injected code.
///
/// @deprecated use void_function0.
class inject_handler : public void_function0 {
public:
virtual ~inject_handler() {}
virtual void on_inject() = 0;
void operator()() { on_inject(); }
};
/// **Experimental** - A serial execution context.
///
/// Event handler functions associated with a single proton::connection are called in sequence.
/// The connection's @ref event_loop allows you to "inject" extra work from any thread,
/// and have it executed in the same sequence.
///
class PN_CPP_CLASS_EXTERN event_loop {
public:
virtual ~event_loop() {}
/// Arrange to have f() called in the event_loop's sequence: possibly
/// deferred, possibly in another thread.
///
/// @return true if f() has or will be called, false if the event_loop is ended
/// and f() cannot be injected.
virtual bool inject(void_function0& f) = 0;
#if PN_CPP_HAS_STD_FUNCTION
/// @copydoc inject(void_function0&)
virtual bool inject(std::function<void()> f) = 0;
#endif
protected:
event_loop() {}
private:
PN_CPP_EXTERN static event_loop* get(pn_connection_t*);
PN_CPP_EXTERN static event_loop* get(pn_session_t*);
PN_CPP_EXTERN static event_loop* get(pn_link_t*);
/// @cond INTERNAL
friend class connection;
template <class T> friend class thread_safe;
/// @endcond
};
} // proton
#endif // PROTON_EVENT_LOOP_HPP
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