40 lines
1.0 KiB
C++
40 lines
1.0 KiB
C++
/*
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PIP - Platform Independent Primitives
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Class for simply notify and wait in different threads
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Andrey Bychkov work.a.b@yandex.ru
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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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 Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser 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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#include "pithreadnotifier.h"
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PIThreadNotifier::PIThreadNotifier() : cnt(0) {}
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void PIThreadNotifier::wait() {
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m.lock();
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while (cnt == 0) v.wait(m);
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cnt--;
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m.unlock();
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}
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void PIThreadNotifier::notifyOnce() {
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m.lock();
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cnt++;
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v.notifyAll();
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m.unlock();
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}
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