Reorganize the folder structure and delete the Xcode build files

src/PlatformThreads.h

@@ -0,0 +1,52 @@
+#pragma once
+
+#include "Limelight.h"
+#include "Platform.h"
+
+typedef void(*ThreadEntry)(void* context);
+
+#if defined(LC_WINDOWS)
+typedef HANDLE PLT_MUTEX;
+typedef HANDLE PLT_EVENT;
+typedef struct _PLT_THREAD {
+    HANDLE handle;
+    int cancelled;
+} PLT_THREAD;
+#elif defined (LC_POSIX)
+typedef pthread_mutex_t PLT_MUTEX;
+typedef struct _PLT_EVENT {
+    pthread_mutex_t mutex;
+    pthread_cond_t cond;
+    int signalled;
+} PLT_EVENT;
+typedef struct _PLT_THREAD {
+    pthread_t thread;
+    int cancelled;
+} PLT_THREAD;
+#else
+#error Unsupported platform
+#endif
+
+int PltCreateMutex(PLT_MUTEX* mutex);
+void PltDeleteMutex(PLT_MUTEX* mutex);
+void PltLockMutex(PLT_MUTEX* mutex);
+void PltUnlockMutex(PLT_MUTEX* mutex);
+
+int PltCreateThread(ThreadEntry entry, void* context, PLT_THREAD*thread);
+void PltCloseThread(PLT_THREAD*thread);
+void PltInterruptThread(PLT_THREAD*thread);
+int PltIsThreadInterrupted(PLT_THREAD*thread);
+void PltJoinThread(PLT_THREAD*thread);
+
+int PltCreateEvent(PLT_EVENT* event);
+void PltCloseEvent(PLT_EVENT* event);
+void PltSetEvent(PLT_EVENT* event);
+void PltClearEvent(PLT_EVENT* event);
+int PltWaitForEvent(PLT_EVENT* event);
+
+void PltRunThreadProc(void);
+
+#define PLT_WAIT_SUCCESS 0
+#define PLT_WAIT_INTERRUPTED 1
+
+void PltSleepMs(int ms);