os: refactor/rewrite entire namespace.

libraries/libstratosphere/include/stratosphere/os/os_semaphore_api.hpp

@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+#include <vapours.hpp>
+
+namespace ams::os {
+
+    struct SemaphoreType;
+    struct WaitableHolderType;
+
+    void InitializeSemaphore(SemaphoreType *sema, s32 count, s32 max_count);
+    void FinalizeSemaphore(SemaphoreType *sema);
+
+    void AcquireSemaphore(SemaphoreType *sema);
+    bool TryAcquireSemaphore(SemaphoreType *sema);
+    bool TimedAcquireSemaphore(SemaphoreType *sema, TimeSpan timeout);
+
+    void ReleaseSemaphore(SemaphoreType *sema);
+    void ReleaseSemaphore(SemaphoreType *sema, s32 count);
+
+    s32 GetCurrentSemaphoreCount(const SemaphoreType *sema);
+
+    void InitializeWaitableHolder(WaitableHolderType *waitable_holder, SemaphoreType *sema);
+
+}