ui/winui/condvar.cpp

changeset 76
641dcc79e0ef
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ui/winui/condvar.cpp	Sun Nov 10 15:30:46 2024 +0100
@@ -0,0 +1,65 @@
+/*
+ * 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 = new 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;
+    std::unique_lock<std::mutex> lock(p->mutex);
+
+    if(!p->set) {
+        p->cond.wait(lock);
+    }
+    p->set = 0;
+}
+
+void ui_condvar_signal(UiCondVar *var, void *data, int intdata) {
+    UiWinCondVar *p = (UiWinCondVar*)var;
+    std::unique_lock<std::mutex> lock(p->mutex);
+    p->var.data = data;
+    p->var.intdata = intdata;
+    p->set = 1;
+    lock.unlock();
+    p->cond.notify_one();
+}
+
+void ui_condvar_destroy(UiCondVar *var) {
+    UiWinCondVar *p = (UiWinCondVar*)var;
+    delete p;
+}

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