more progress on code 2

code2/host/host.odin

@@ -0,0 +1,73 @@
+package host
+
+// TODO(Ed): Remove this
+import "core:mem"
+
+Path_Logs :: "../logs"
+when ODIN_OS == .Windows
+{
+	Path_Sectr_Module        :: "sectr.dll"
+	Path_Sectr_Live_Module   :: "sectr_live.dll"
+	Path_Sectr_Debug_Symbols :: "sectr.pdb"
+}
+
+// Only static memory host has.
+host_memory: HostMemory
+
+@(thread_local)
+thread_memory: ThreadMemory
+
+master_prepper_proc :: proc(thread: ^SysThread) {}
+main :: proc()
+{
+	// TODO(Ed): Change this
+	host_scratch: mem.Arena; mem.arena_init(& host_scratch, host_memory.host_scratch[:])
+	context.allocator = mem.arena_allocator(& host_scratch)
+	context.temp_allocator = context.allocator
+
+	thread_memory.index = .Master_Prepper
+	thread_id := thread_current_id()
+	{
+		using thread_memory
+		system_ctx.creation_allocator = {}
+		system_ctx.procedure = master_prepper_proc
+		when ODIN_OS == .Windows {
+			// system_ctx.win32_thread    = w32_get_current_thread()
+			// system_ctx.win32_thread_id = w32_get_current_thread_id()
+			system_ctx.id = cast(int) system_ctx.win32_thread_id
+		}
+	}
+
+	write_time, result := file_last_write_time_by_name("sectr.dll")
+	if result != OS_ERROR_NONE {
+		panic_contextless( "Could not resolve the last write time for sectr")
+	}
+
+	thread_sleep( Millisecond * 100 )
+
+	live_file := Path_Sectr_Live_Module
+	file_copy_sync( Path_Sectr_Module, live_file, allocator = context.temp_allocator )
+	{
+		lib, load_result := os_lib_load( live_file )
+		if ! load_result {
+			panic( "Failed to load the sectr module." )
+		}
+
+		startup    := cast( type_of( host_memory.client_api.startup   )) os_lib_get_proc(lib, "startup")
+		hot_reload := cast( type_of( host_memory.client_api.hot_reload)) os_lib_get_proc(lib, "hot_reload")
+		if startup    == nil do panic("Failed to load sectr.startup symbol" )
+		if hot_reload == nil do panic("Failed to load sectr.reload symbol" )
+
+		host_memory.client_api.lib        = lib
+		host_memory.client_api.startup    = startup
+		host_memory.client_api.hot_reload = hot_reload
+	}
+	host_memory.host_api.sync_client_module = sync_client_api
+	host_memory.client_api.startup(& host_memory, & thread_memory)
+}
+
+@export
+sync_client_api :: proc()
+{
+	// Fill out detection and reloading of client api.
+}