Wed, 30 Oct 2024 11:07:52 +0100
implement windows condvar
/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright 2024 Olaf Wintermann. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include "pch.h" #include "condvar.h" UiCondVar* ui_condvar_create(void) { UiWinCondVar *var = (UiWinCondVar*)malloc(sizeof(UiWinCondVar)); var->var.data = NULL; var->var.intdata = 0; var->set = 0; return (UiCondVar*)var; } void ui_condvar_wait(UiCondVar *var) { UiWinCondVar *p = (UiWinCondVar*)var; p->mutex.lock(); if(!p->set) { std::unique_lock<std::mutex> lock(p->mutex); p->cond.wait(lock); } p->set = 0; p->mutex.unlock(); } void ui_condvar_signal(UiCondVar *var, void *data, int intdata) { UiWinCondVar *p = (UiWinCondVar*)var; p->mutex.lock(); p->var.data = data; p->var.intdata = intdata; p->set = 1; p->cond.notify_one(); p->mutex.unlock(); } void ui_condvar_destroy(UiCondVar *var) { UiWinCondVar *p = (UiWinCondVar*)var; free(p); }