process-cpp
3.0.0
A simple convenience library for handling processes in C++11.
cross_process_sync.h
Go to the documentation of this file.
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/*
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* Copyright © 2013 Canonical Ltd.
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*
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* This program is free software: you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 3,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* Authored by: Thomas Voss <thomas.voss@canonical.com>
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*/
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#ifndef CORE_TESTING_CROSS_PROCESS_SYNC_H_
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#define CORE_TESTING_CROSS_PROCESS_SYNC_H_
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#include <
core/posix/visibility.h
>
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#include <cstdint>
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#include <chrono>
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#include <stdexcept>
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namespace
core
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{
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namespace
testing
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{
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class
CORE_POSIX_DLL_PUBLIC
CrossProcessSync
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{
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public
:
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struct
Error
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{
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Error
() =
delete
;
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~
Error
() =
delete
;
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struct
Timeout
:
public
std::runtime_error
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{
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Timeout
() :
std
::runtime_error(
"Timeout while waiting for event to happen."
)
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{
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}
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};
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};
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CrossProcessSync
();
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CrossProcessSync
(
const
CrossProcessSync
& rhs);
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~
CrossProcessSync
() noexcept;
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CrossProcessSync
& operator=(
const
CrossProcessSync
& rhs);
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void
try_signal_ready_for(
const
std::chrono::milliseconds& duration);
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std::uint32_t wait_for_signal_ready_for(
const
std::chrono::milliseconds& duration);
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private
:
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int
fds[2];
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std::uint32_t counter;
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};
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}
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}
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#endif // CORE_TESTING_CROSS_PROCESS_SYNC_H_
CORE_POSIX_DLL_PUBLIC
#define CORE_POSIX_DLL_PUBLIC
Definition:
visibility.h:26
core
Definition:
child_process.h:31
std
STL namespace.
core::testing::CrossProcessSync
A cross-process synchronization primitive that supports simple wait-condition-like scenarios...
Definition:
cross_process_sync.h:36
visibility.h
core::testing::CrossProcessSync::Error::Timeout::Timeout
Timeout()
Definition:
cross_process_sync.h:49
core::testing::CrossProcessSync::Error
Definition:
cross_process_sync.h:39
core::testing::CrossProcessSync::Error::Timeout
Thrown if any of the *_for functions times out.
Definition:
cross_process_sync.h:47
include
core
testing
cross_process_sync.h
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