initial upload

src/os/core/win32/os_core_win32.h

@@ -0,0 +1,91 @@
+// Copyright (c) 2024 Epic Games Tools
+// Licensed under the MIT license (https://opensource.org/license/mit/)
+
+#ifndef WIN32_H
+#define WIN32_H
+
+////////////////////////////////
+//~ NOTE(allen): Negotiate the windows header include order
+
+#if OS_FEATURE_SOCKET
+#include <WinSock2.h>
+#endif
+
+#include <Windows.h>
+#include <Shlobj.h>
+
+#if OS_FEATURE_GRAPHICAL
+#include <shellscalingapi.h>
+#endif
+
+#if OS_FEATURE_SOCKET
+#include <WS2tcpip.h>
+#include <Mswsock.h>
+#endif
+
+#include <processthreadsapi.h>
+
+////////////////////////////////
+//~ NOTE(allen): File Iterator
+
+typedef struct W32_FileIter W32_FileIter;
+struct W32_FileIter
+{
+  HANDLE handle;
+  WIN32_FIND_DATAW find_data;
+};
+StaticAssert(sizeof(Member(OS_FileIter, memory)) >= sizeof(W32_FileIter), file_iter_memory_size);
+
+////////////////////////////////
+//~ NOTE(allen): Threading Entities
+
+typedef enum W32_EntityKind
+{
+  W32_EntityKind_Null,
+  W32_EntityKind_Thread,
+  W32_EntityKind_Mutex,
+  W32_EntityKind_RWMutex,
+  W32_EntityKind_ConditionVariable,
+}
+W32_EntityKind;
+
+typedef struct W32_Entity W32_Entity;
+struct W32_Entity
+{
+  W32_Entity *next;
+  W32_EntityKind kind;
+  volatile U32 reference_mask;
+  union{
+    struct{
+      OS_ThreadFunctionType *func;
+      void *ptr;
+      HANDLE handle;
+      DWORD tid;
+    } thread;
+    CRITICAL_SECTION mutex;
+    SRWLOCK rw_mutex;
+    CONDITION_VARIABLE cv;
+  };
+};
+
+////////////////////////////////
+//~ rjf: Helpers
+
+//- rjf: files
+internal FilePropertyFlags w32_file_property_flags_from_dwFileAttributes(DWORD dwFileAttributes);
+internal void w32_file_properties_from_attributes(FileProperties *properties, WIN32_FILE_ATTRIBUTE_DATA *attributes);
+
+//- rjf: time
+internal void w32_date_time_from_system_time(DateTime *out, SYSTEMTIME *in);
+internal void w32_system_time_from_date_time(SYSTEMTIME *out, DateTime *in);
+internal void w32_dense_time_from_file_time(DenseTime *out, FILETIME *in);
+internal U32 w32_sleep_ms_from_endt_us(U64 endt_us);
+
+//- rjf: entities
+internal W32_Entity* w32_alloc_entity(W32_EntityKind kind);
+internal void w32_free_entity(W32_Entity *entity);
+
+//- rjf: threads
+internal DWORD w32_thread_base(void *ptr);
+
+#endif //WIN32_H