peri4
398d760ba9
PIWaitEvent::sleep() method PITimer thread imp wait optimization, migrate to interruptable sleeps
68 lines
1.5 KiB
C++
68 lines
1.5 KiB
C++
/*
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PIP - Platform Independent Primitives
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Private PIP wait object
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Ivan Pelipenko peri4ko@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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#ifndef PIWAITEVENT_P_H
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#define PIWAITEVENT_P_H
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#include "pibase.h"
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#ifdef WINDOWS
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# include <stdarg.h>
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# include <windef.h>
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# include <winbase.h>
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#else
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# include <unistd.h>
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# include <sys/select.h>
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#endif
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class PIP_EXPORT PIWaitEvent {
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public:
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~PIWaitEvent();
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enum CheckRole { // UNIX only
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CheckRead,
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CheckWrite,
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CheckExeption
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};
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void create();
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void destroy();
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bool wait(int fd = -1, CheckRole role = CheckRead);
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bool sleep(int us); // return if sleep done
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void interrupt();
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bool isCreate() const;
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void * getEvent() const; // WINDOWS only
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private:
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#ifdef WINDOWS
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void * event = nullptr;
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#else
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int pipe_fd[2] = {0, 0};
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fd_set fds[3];
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enum {
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ReadEnd = 0,
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WriteEnd = 1
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};
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#endif
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};
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#endif // PIWAITEVENT_P_H
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