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* Copyright © 2012 Canonical Ltd.
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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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* 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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* 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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* Authored by: Thomas Voss <thomas.voss@canonical.com>
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#ifndef MIR_TEST_FRAMEWORK_CROSS_PROCESS_SYNC_H_
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#define MIR_TEST_FRAMEWORK_CROSS_PROCESS_SYNC_H_
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namespace mir_test_framework
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// A cross-process synchronization primitive that supports simple
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// wait-condition-like scenarios.
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class 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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// Try to signal the other side that we are ready for at most duration milliseconds.
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// Throws a std::runtime_error if not successful.
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void try_signal_ready_for(
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const std::chrono::milliseconds& duration = std::chrono::milliseconds(2000));
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// Wait for the other sides to signal readiness for at most duration milliseconds.
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// Returns the number of ready signals that have been collected since creation.
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// Throws std::runtime_error if not successful.
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unsigned int wait_for_signal_ready_for(
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const std::chrono::milliseconds& duration = std::chrono::milliseconds(2000));
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#endif // MIR_TEST_FRAMEWORK_CROSS_PROCESS_SYNC_H_