Misc adjustments/fixes to grime from a few nights ago

code2/grime/allocator_interface.odin

@@ -39,6 +39,11 @@ AllocatorOp :: enum u32 {
 	Rewind,
 	SavePoint,
 	Query, // Must always be implemented
+	Is_Owner,
+	Startup,
+	Shutdown,
+	Thread_Start,
+	Thread_Stop,
 }
 AllocatorQueryFlag :: enum u64 {
 	Alloc,
@@ -47,27 +52,29 @@ AllocatorQueryFlag :: enum u64 {
 
 	Shrink,
 	Grow, 
-	Resize, // Supports both grow and shrink
 
 	Rewind, // Ability to rewind to a save point (ex: arenas, stack), must also be able to save such a point
 
-	// Actually_Resize,
-	// Is_This_Yours,
+	Actually_Resize,
+	Multiple_Threads,
+	Is_Owner,
 
 	Hint_Fast_Bump,
 	Hint_General_Heap,
 	Hint_Per_Frame_Temporary,
 	Hint_Debug_Support,
 }
-AllocatorError :: Odin_AllocatorError
-// AllocatorError :: enum i32 {
-// 	None                 = 0,
-// 	Out_Of_Memory        = 1,
-// 	Invalid_Pointer      = 2,
-// 	Invalid_Argument     = 3,
-// 	Mode_Not_Implemented = 4,
-// }
 AllocatorQueryFlags :: bit_set[AllocatorQueryFlag; u64]
+
+// AllocatorError :: Odin_AllocatorError
+AllocatorError :: enum byte {
+	None                 = 0,
+	Out_Of_Memory        = 1,
+	Invalid_Pointer      = 2,
+	Invalid_Argument     = 3,
+	Mode_Not_Implemented = 4,
+	Owner                = 5,
+}
 AllocatorSP :: struct {
 	type_sig: AllocatorProc,
 	slot:     int,
@@ -177,9 +184,6 @@ odin_allocator_mode_to_allocator_op :: #force_inline proc "contextless" (mode: O
 	panic_contextless("Impossible path")
 }
 
-// TODO(Ed): Change to DEFAULT_ALIGNMENT
-MEMORY_ALIGNMENT_DEFAULT :: 2 * size_of(rawptr)
-
 allocatorinfo :: #force_inline proc(ainfo := context.allocator) -> AllocatorInfo  { return transmute(AllocatorInfo)  ainfo }
 allocator     :: #force_inline proc(ainfo: AllocatorInfo)       -> Odin_Allocator { return transmute(Odin_Allocator) ainfo }
 
@@ -202,11 +206,10 @@ mem_rewind :: proc(ainfo := context.allocator, save_point: AllocatorSP, loc := #
 }
 mem_save_point :: proc(ainfo := context.allocator, loc := #caller_location) -> AllocatorSP {
 	assert(ainfo.procedure != nil)
-	out: AllocatorProc_Out
-	resolve_allocator_proc(ainfo.procedure)({data = ainfo.data, op = .SavePoint, loc = loc}, & out)
+	out: AllocatorProc_Out; resolve_allocator_proc(ainfo.procedure)({data = ainfo.data, op = .SavePoint, loc = loc}, & out)
 	return out.save_point
 }
-mem_alloc :: proc(size: int, alignment: int = MEMORY_ALIGNMENT_DEFAULT, no_zero: bool = false, ainfo: $Type = context.allocator, loc := #caller_location) -> ([]byte, AllocatorError) {
+mem_alloc :: proc(size: int, alignment: int = DEFAULT_ALIGNMENT, no_zero: bool = false, ainfo: $Type = context.allocator, loc := #caller_location) -> ([]byte, AllocatorError) {
 	assert(ainfo.procedure != nil)
 	input := AllocatorProc_In {
 		data           = ainfo.data,
@@ -215,11 +218,10 @@ mem_alloc :: proc(size: int, alignment: int = MEMORY_ALIGNMENT_DEFAULT, no_zero:
 		alignment      = alignment,
 		loc            = loc,
 	}
-	output: AllocatorProc_Out
-	resolve_allocator_proc(ainfo.procedure)(input, & output)
+	output: AllocatorProc_Out; resolve_allocator_proc(ainfo.procedure)(input, & output)
 	return output.allocation, output.error
 }
-mem_grow :: proc(mem: []byte, size: int, alignment: int = MEMORY_ALIGNMENT_DEFAULT, no_zero: bool = false, ainfo := context.allocator, loc := #caller_location) -> ([]byte, AllocatorError) {
+mem_grow :: proc(mem: []byte, size: int, alignment: int = DEFAULT_ALIGNMENT, no_zero: bool = false, ainfo := context.allocator, loc := #caller_location) -> ([]byte, AllocatorError) {
 	assert(ainfo.procedure != nil)
 	input := AllocatorProc_In {
 		data           = ainfo.data,
@@ -229,11 +231,10 @@ mem_grow :: proc(mem: []byte, size: int, alignment: int = MEMORY_ALIGNMENT_DEFAU
 		old_allocation = mem,
 		loc            = loc,
 	}
-	output: AllocatorProc_Out
-	resolve_allocator_proc(ainfo.procedure)(input, & output)
+	output: AllocatorProc_Out; resolve_allocator_proc(ainfo.procedure)(input, & output)
 	return output.allocation, output.error
 }
-mem_resize :: proc(mem: []byte, size: int, alignment: int = MEMORY_ALIGNMENT_DEFAULT, no_zero: bool = false, ainfo := context.allocator, loc := #caller_location) -> ([]byte, AllocatorError) {
+mem_resize :: proc(mem: []byte, size: int, alignment: int = DEFAULT_ALIGNMENT, no_zero: bool = false, ainfo := context.allocator, loc := #caller_location) -> ([]byte, AllocatorError) {
 	assert(ainfo.procedure != nil)
 	input := AllocatorProc_In {
 		data           = ainfo.data,
@@ -243,11 +244,10 @@ mem_resize :: proc(mem: []byte, size: int, alignment: int = MEMORY_ALIGNMENT_DEF
 		old_allocation = mem,
 		loc            = loc,
 	}
-	output: AllocatorProc_Out
-	resolve_allocator_proc(ainfo.procedure)(input, & output)
+	output: AllocatorProc_Out; resolve_allocator_proc(ainfo.procedure)(input, & output)
 	return output.allocation, output.error
 }
-mem_shrink :: proc(mem: []byte, size: int, alignment: int = MEMORY_ALIGNMENT_DEFAULT, no_zero: bool = false, ainfo := context.allocator, loc := #caller_location) -> ([]byte, AllocatorError) {
+mem_shrink :: proc(mem: []byte, size: int, alignment: int = DEFAULT_ALIGNMENT, no_zero: bool = false, ainfo := context.allocator, loc := #caller_location) -> ([]byte, AllocatorError) {
 	assert(ainfo.procedure != nil)
 	input := AllocatorProc_In {
 		data           = ainfo.data,
@@ -257,12 +257,11 @@ mem_shrink :: proc(mem: []byte, size: int, alignment: int = MEMORY_ALIGNMENT_DEF
 		old_allocation = mem,
 		loc            = loc,
 	}
-	output: AllocatorProc_Out
-	resolve_allocator_proc(ainfo.procedure)(input, & output)
+	output: AllocatorProc_Out; resolve_allocator_proc(ainfo.procedure)(input, & output)
 	return output.allocation, output.error
 }
 
-alloc_type  :: proc($Type: typeid, alignment: int = MEMORY_ALIGNMENT_DEFAULT, no_zero: bool = false, ainfo := context.allocator, loc := #caller_location) -> (^Type, AllocatorError) {
+alloc_type  :: proc($Type: typeid, alignment: int = DEFAULT_ALIGNMENT, no_zero: bool = false, ainfo := context.allocator, loc := #caller_location) -> (^Type, AllocatorError) {
 	assert(ainfo.procedure != nil)
 	input := AllocatorProc_In {
 		data           = ainfo.data,
@@ -271,11 +270,10 @@ alloc_type  :: proc($Type: typeid, alignment: int = MEMORY_ALIGNMENT_DEFAULT, no
 		alignment      = alignment,
 		loc            = loc,
 	}
-	output: AllocatorProc_Out
-	resolve_allocator_proc(ainfo.procedure)(input, & output)
+	output: AllocatorProc_Out; resolve_allocator_proc(ainfo.procedure)(input, & output)
 	return transmute(^Type) raw_data(output.allocation), output.error
 }
-alloc_slice :: proc($SliceType: typeid / []$Type, num: int, alignment: int = MEMORY_ALIGNMENT_DEFAULT, no_zero: bool = false, ainfo := context.allocator, loc := #caller_location) -> ([]Type, AllocatorError) {
+alloc_slice :: proc($SliceType: typeid / []$Type, num: int, alignment: int = DEFAULT_ALIGNMENT, no_zero: bool = false, ainfo := context.allocator, loc := #caller_location) -> ([]Type, AllocatorError) {
 	assert(ainfo.procedure != nil)
 	input := AllocatorProc_In {
 		data           = ainfo.data,
@@ -284,7 +282,6 @@ alloc_slice :: proc($SliceType: typeid / []$Type, num: int, alignment: int = MEM
 		alignment      = alignment,
 		loc            = loc,
 	}
-	output: AllocatorProc_Out
-	resolve_allocator_proc(ainfo.procedure)(input, & output)
+	output: AllocatorProc_Out; resolve_allocator_proc(ainfo.procedure)(input, & output)
 	return transmute([]Type) slice(raw_data(output.allocation), num), output.error
 }

code2/grime/assert.odin

@@ -2,13 +2,13 @@ package grime
 
 // TODO(Ed): Below should be defined per-package?
 
-ensure :: #force_inline proc(condition: bool, msg: string, location := #caller_location) -> bool {
-	if condition do return true
+ensure :: #force_inline proc(condition: bool, msg := #caller_expression, location := #caller_location) -> bool {
+	if condition == false do return false
 	log_print( msg, LoggerLevel.Warning, location )
-	when ODIN_DEBUG == false do return false
+	when ODIN_DEBUG == false do return true
 	else {
 		debug_trap()
-		return false
+		return true
 	}
 }
 // TODO(Ed) : Setup exit codes!

code2/grime/dynamic_array.odin

@@ -79,8 +79,8 @@ array_set_capacity :: proc( self : ^Array( $ Type ), new_capacity: int) -> Alloc
 	header_size :: size_of(ArrayHeader(Type))
 	new_size := header_size + new_capacity  * size_of(Type)
 	old_size := header_size + self.capacity * size_of(Type)
-	new_mem, result_code := mem_resize( slice(transmute(^u8)self.header, old_size), new_size, MEMORY_ALIGNMENT_DEFAULT, ainfo = self.backing )
-	if ensure( result_code != AllocatorError.None, "Failed to allocate for new array capacity" ) {
+	new_mem, result_code := mem_resize( slice(transmute(^u8)self.header, old_size), new_size, DEFAULT_ALIGNMENT, ainfo = self.backing )
+	if ensure( result_code == AllocatorError.None, "Failed to allocate for new array capacity" ) {
 		log_print( "Failed to allocate for new array capacity", level = LoggerLevel.Warning )
 		return result_code
 	}
@@ -175,7 +175,7 @@ array_fill :: proc(self: Array($Type), begin, end: u64, value: Type) -> bool {
 }
 
 // Will push  value into the array (will not grow if at capacity, use append instead for when that matters)
-array_push_back :: #force_inline proc "contextless" (self: Array($Type)) -> bool {
+array_push :: #force_inline proc "contextless" (self: Array($Type)) -> bool {
 	if self.num == self.capacity { return false }
 	self.data[self.num] = value
 	self.num           += 1

code2/grime/fixed_arena.odin

@@ -17,7 +17,7 @@ farena_init :: proc "contextless" (arena: ^FArena, backing: []byte) {
 	arena.used = 0
 }
 @require_results
-farena_push :: proc "contextless" (arena: ^FArena, $Type: typeid, amount: int, alignment: int = MEMORY_ALIGNMENT_DEFAULT, loc := #caller_location) -> ([]Type, AllocatorError) {
+farena_push :: proc "contextless" (arena: ^FArena, $Type: typeid, amount: int, alignment: int = DEFAULT_ALIGNMENT, loc := #caller_location) -> ([]Type, AllocatorError) {
 	assert_contextless(arena != nil)
 	if amount == 0 {
 		return {}, .None
@@ -32,7 +32,7 @@ farena_push :: proc "contextless" (arena: ^FArena, $Type: typeid, amount: int, a
 	return slice(cursor(arena.mem)[arena.used:], amount), .None
 }
 @require_results
-farena_grow :: proc "contextless" (arena: ^FArena, old_allocation: []byte, requested_size: int, alignment: int = MEMORY_ALIGNMENT_DEFAULT, should_zero: bool = true, loc := #caller_location) -> (allocation: []byte, err: AllocatorError) {
+farena_grow :: proc "contextless" (arena: ^FArena, old_allocation: []byte, requested_size: int, alignment: int = DEFAULT_ALIGNMENT, should_zero: bool = true, loc := #caller_location) -> (allocation: []byte, err: AllocatorError) {
 	assert_contextless(arena != nil)
 	if len(old_allocation) == 0 {
 		return {}, .Invalid_Argument
@@ -58,7 +58,7 @@ farena_grow :: proc "contextless" (arena: ^FArena, old_allocation: []byte, reque
 	return
 }
 @require_results
-farena_shirnk :: proc "contextless" (arena: ^FArena, old_allocation: []byte, requested_size: int, alignment: int = MEMORY_ALIGNMENT_DEFAULT, loc := #caller_location) -> (allocation: []byte, err: AllocatorError) {
+farena_shirnk :: proc "contextless" (arena: ^FArena, old_allocation: []byte, requested_size: int, alignment: int = DEFAULT_ALIGNMENT, loc := #caller_location) -> (allocation: []byte, err: AllocatorError) {
 	assert_contextless(arena != nil)
 	if len(old_allocation) == 0 {
 		return {}, .Invalid_Argument
@@ -70,7 +70,7 @@ farena_shirnk :: proc "contextless" (arena: ^FArena, old_allocation: []byte, req
 		return old_allocation[:requested_size], .None
 	}
 	// Calculate shrinkage
-	aligned_original := align_pow2(len(old_allocation), MEMORY_ALIGNMENT_DEFAULT)
+	aligned_original := align_pow2(len(old_allocation), DEFAULT_ALIGNMENT)
 	aligned_new      := align_pow2(requested_size, alignment)
 	arena.used       -= (aligned_original - aligned_new)
 	return old_allocation[:requested_size], .None
@@ -85,6 +85,13 @@ farena_rewind :: #force_inline proc "contextless" (arena: ^FArena, save_point: A
 	arena.used = save_point.slot
 }
 farena_save :: #force_inline proc "contextless" (arena: FArena) -> AllocatorSP { return AllocatorSP { type_sig = farena_allocator_proc, slot = arena.used } }
+farena_is_owner :: #force_inline proc "contextless" (arena: FArena, memory: []byte) -> bool {
+		p0       := transmute(uintptr) cursor(memory)
+		p1       := transmute(uintptr) end(memory)
+		arena_p0 := transmute(uintptr) cursor(arena.mem)
+		arena_p1 := cast(uintptr) arena.used
+		return arena_p0 <= p0 && arena_p1 >= p1
+}
 farena_allocator_proc :: proc(input: AllocatorProc_In, output: ^AllocatorProc_Out) {
 	assert_contextless(output     != nil)
 	assert_contextless(input.data != nil)
@@ -115,12 +122,16 @@ farena_allocator_proc :: proc(input: AllocatorProc_In, output: ^AllocatorProc_Ou
 		output.save_point = farena_save(arena^)
 		return
 	case .Query:
-		output.features   = {.Alloc, .Reset, .Grow, .Shrink, .Rewind}
+		output.features   = {.Alloc, .Reset, .Grow, .Shrink, .Rewind, .Actually_Resize, .Is_Owner, .Hint_Fast_Bump}
 		output.max_alloc  = len(arena.mem) - arena.used
 		output.min_alloc  = 0
 		output.left       = output.max_alloc
 		output.save_point = farena_save(arena^)
 		return
+	case .Is_Owner:
+		output.error = farena_is_owner(arena ^, input.old_allocation) ? .Owner : .None
+	case .Startup, .Shutdown, .Thread_Start, .Thread_Stop:
+		output.error = .Mode_Not_Implemented
 	}
 	panic_contextless("Impossible path")
 }
@@ -132,40 +143,38 @@ farena_odin_allocator_proc :: proc(
 	old_memory     : rawptr,
 	old_size       : int,
 	location       : SourceCodeLocation = #caller_location
-) -> ( data : []byte, alloc_error : AllocatorError)
+) -> ( data : []byte, error : Odin_AllocatorError)
 {
+	error_: AllocatorError 
 	assert_contextless(allocator_data != nil)
 	arena := transmute(^FArena) allocator_data
 	switch mode {
 	case .Alloc, .Alloc_Non_Zeroed:
-		data, alloc_error = farena_push(arena, byte, size, alignment, location)
+		data, error_ = farena_push(arena, byte, size, alignment, location)
 		if mode == .Alloc {
 			zero(data)
 		}
-		return
 	case .Free:
 		return {}, .Mode_Not_Implemented
 	case .Free_All:
 		farena_reset(arena)
-		return
 	case .Resize, .Resize_Non_Zeroed:
-		if (size > old_size) do data, alloc_error = farena_grow  (arena, slice(cursor(old_memory), old_size), size, alignment, mode == .Resize)
-		else                 do data, alloc_error = farena_shirnk(arena, slice(cursor(old_memory), old_size), size, alignment)
-		return
+		if (size > old_size) do data, error_ = farena_grow  (arena, slice(cursor(old_memory), old_size), size, alignment, mode == .Resize)
+		else                 do data, error_ = farena_shirnk(arena, slice(cursor(old_memory), old_size), size, alignment)
 	case .Query_Features:
 		set := (^Odin_AllocatorModeSet)(old_memory)
 		if set != nil {
 			set^ = {.Alloc, .Alloc_Non_Zeroed, .Free_All, .Resize, .Resize_Non_Zeroed, .Query_Features, .Query_Info}
 		}
-		return
 	case .Query_Info:
 		info := (^Odin_AllocatorQueryInfo)(old_memory)
 		info.pointer   = transmute(rawptr) farena_save(arena^).slot
 		info.size      = len(arena.mem) - arena.used
-		info.alignment = MEMORY_ALIGNMENT_DEFAULT
+		info.alignment = DEFAULT_ALIGNMENT
 		return to_bytes(info), nil
 	}
-	panic_contextless("Impossible path")
+	error = transmute(Odin_AllocatorError) error_
+	return
 }
 when ODIN_DEBUG {
 	farena_ainfo     :: #force_inline proc "contextless" (arena: ^FArena) -> AllocatorInfo  { return                           AllocatorInfo{proc_id = .FArena, data = arena} }

code2/grime/key_table_inear.odin

@@ -31,7 +31,7 @@ ktl_populate_slice_a2_str :: #force_inline proc(kt: ^[]KTL_Slot(string), backing
 	raw_bytes, error := mem_alloc(size_of(KTL_Slot(string)) * len(values), ainfo = backing); assert(error == .None);
 	kt^               = slice( transmute([^]KTL_Slot(string)) cursor(raw_bytes), len(raw_bytes) / size_of(KTL_Slot(string)) )
 	for id in 0 ..< len(values) {
-		mem_copy_non_overlapping(& kt[id].value, & values[id][1], size_of(string))
+		mem_copy(& kt[id].value, & values[id][1], size_of(string))
 		hash64_fnv1a(& kt[id].key, transmute([]byte) values[id][0])
 	}
 }

code2/grime/pkg_mappings.odin

@@ -11,9 +11,9 @@ import "base:intrinsics"
 	// mem_copy             :: intrinsics.mem_copy_non_overlapping
 	// mem_copy_overlapping :: intrinsics.mem_copy
 
-mem_zero                 :: #force_inline proc "contextless" (data:     rawptr, len: int) { intrinsics.mem_zero                (data,     len) }
-mem_copy_non_overlapping :: #force_inline proc "contextless" (dst, src: rawptr, len: int) { intrinsics.mem_copy_non_overlapping(dst, src, len) }
-mem_copy                 :: #force_inline proc "contextless" (dst, src: rawptr, len: int) { intrinsics.mem_copy                (dst, src, len) }
+mem_zero             :: #force_inline proc "contextless" (data:     rawptr, len: int) { intrinsics.mem_zero                (data,     len) }
+mem_copy             :: #force_inline proc "contextless" (dst, src: rawptr, len: int) { intrinsics.mem_copy_non_overlapping(dst, src, len) }
+mem_copy_overlapping :: #force_inline proc "contextless" (dst, src: rawptr, len: int) { intrinsics.mem_copy                (dst, src, len) }
 
 import "base:runtime"
 	Assertion_Failure_Proc :: runtime.Assertion_Failure_Proc
@@ -40,6 +40,9 @@ import "core:log"
 	Logger_Full_Timestamp_Opts :: log.Full_Timestamp_Opts
 
 import "core:mem"
+	DEFAULT_ALIGNMENT :: mem.DEFAULT_ALIGNMENT
+	DEFAULT_PAGE_SIZE :: mem.DEFAULT_PAGE_SIZE
+
 	Odin_Allocator          :: mem.Allocator
 	Odin_AllocatorError     :: mem.Allocator_Error
 	Odin_AllocatorQueryInfo :: mem.Allocator_Query_Info
@@ -141,8 +144,8 @@ copy :: proc {
 	mem_copy,
 	slice_copy,
 }
-copy_non_overlapping :: proc {
-	mem_copy_non_overlapping,
+copy_overlapping :: proc {
+	mem_copy_overlapping,
 	slice_copy_overlapping,
 }
 fill :: proc {

code2/grime/virtual_arena.odin

@@ -22,7 +22,6 @@ VArenaFlags :: bit_set[VArenaFlag; u32]
 VArenaFlag  :: enum u32 {
 	No_Large_Pages,
 }
-
 VArena :: struct {
 	using vmem:  VirtualMemoryRegion,
 	commit_size: int,
@@ -41,18 +40,18 @@ varena_make :: proc(to_reserve, commit_size: int, base_address: uintptr, flags:
 	verify( to_reserve  >= commit_size, "Attempted to commit more than there is to reserve" )
 	vmem : VirtualMemoryRegion
 	vmem, alloc_error = virtual_reserve_and_commit( base_address, uint(to_reserve), uint(commit_size) )
-	if ensure(vmem.base_address == nil || alloc_error != .None, "Failed to allocate requested virtual memory for virtual arena") {
+	if ensure(vmem.base_address != nil && alloc_error == .None, "Failed to allocate requested virtual memory for virtual arena") {
 		return
 	}
 	arena = transmute(^VArena) vmem.base_address;
 	arena.vmem        = vmem
-	arena.commit_used = align_pow2(size_of(arena), MEMORY_ALIGNMENT_DEFAULT)
+	arena.commit_used = align_pow2(size_of(arena), DEFAULT_ALIGNMENT)
 	arena.flags       = flags
 	return
 }
 varena_alloc :: proc(self: ^VArena,
-	size:      int,
-	alignment: int = MEMORY_ALIGNMENT_DEFAULT,
+	size:        int,
+	alignment:   int = DEFAULT_ALIGNMENT,
 	zero_memory := true,
 	location    := #caller_location
 ) -> (data: []byte, alloc_error: AllocatorError)
@@ -60,7 +59,7 @@ varena_alloc :: proc(self: ^VArena,
 	verify( alignment & (alignment - 1) == 0, "Non-power of two alignment", location = location )
 	page_size      := uint(virtual_get_page_size())
 	requested_size := uint(size)
-	if ensure(requested_size == 0, "Requested 0 size") do return nil, .Invalid_Argument
+	if ensure(requested_size > 0, "Requested 0 size") do return nil, .Invalid_Argument
 	// ensure( requested_size > page_size, "Requested less than a page size, going to allocate a page size")
 	// requested_size = max(requested_size, page_size)
 
@@ -104,14 +103,14 @@ varena_alloc :: proc(self: ^VArena,
 	}
 	return
 }
-varena_grow :: #force_inline proc(self: ^VArena, old_memory: []byte, requested_size: int, alignment: int = MEMORY_ALIGNMENT_DEFAULT, should_zero := true, loc := #caller_location
+varena_grow :: #force_inline proc(self: ^VArena, old_memory: []byte, requested_size: int, alignment: int = DEFAULT_ALIGNMENT, zero_memory := true, loc := #caller_location
 ) -> (data: []byte, error: AllocatorError)
 {
-	if ensure(old_memory == nil, "Growing without old_memory?") {
-		data, error = varena_alloc(self, requested_size, alignment, should_zero, loc)
+	if ensure(old_memory != nil, "Growing without old_memory?") {
+		data, error = varena_alloc(self, requested_size, alignment, zero_memory, loc)
 		return
 	}
-	if ensure(requested_size == len(old_memory), "Requested grow when none needed") {
+	if ensure(requested_size != len(old_memory), "Requested grow when none needed") {
 		data = old_memory
 		return
 	}
@@ -137,19 +136,19 @@ varena_grow :: #force_inline proc(self: ^VArena, old_memory: []byte, requested_s
 	{
 		// Give it new memory and copy the old over. Old memory is unrecoverable until clear.
 		new_region : []byte
-		new_region, error = varena_alloc( self, requested_size, alignment, should_zero, loc )
-		if ensure(new_region == nil || error != .None, "Failed to grab new region") {
+		new_region, error = varena_alloc( self, requested_size, alignment, zero_memory, loc )
+		if ensure(new_region != nil && error == .None, "Failed to grab new region") {
 			data = old_memory
 			return
 		}
-		copy_non_overlapping( cursor(new_region), cursor(old_memory), len(old_memory) )
+		copy( cursor(new_region), cursor(old_memory), len(old_memory) )
 		data = new_region
 		// log_print_fmt("varena resize (new): old: %p %v new: %p %v", old_memory, old_size, (& data[0]), size)
 		return
 	}
 	new_region : []byte
-	new_region, error = varena_alloc( self, requested_size - len(old_memory), alignment, should_zero, loc)
-	if ensure(new_region == nil || error != .None, "Failed to grab new region") {
+	new_region, error = varena_alloc( self, requested_size - len(old_memory), alignment, zero_memory, loc)
+	if ensure(new_region != nil && error == .None, "Failed to grab new region") {
 		data = old_memory
 		return
 	}
@@ -159,7 +158,7 @@ varena_grow :: #force_inline proc(self: ^VArena, old_memory: []byte, requested_s
 }
 varena_shrink :: proc(self: ^VArena, memory: []byte, requested_size: int, loc := #caller_location) -> (data: []byte, error: AllocatorError) {
 	if requested_size == len(memory) { return memory, .None }
-	if ensure(memory == nil, "Shrinking without old_memory?") do return memory, .Invalid_Argument
+	if ensure(memory != nil, "Shrinking without old_memory?") do return memory, .Invalid_Argument
 	current_offset := self.reserve_start[self.commit_used:]
 	shrink_amount  := len(memory) - requested_size
 	if shrink_amount < 0 { return memory, .None }
@@ -205,12 +204,16 @@ varena_allocator_proc :: proc(input: AllocatorProc_In, output: ^AllocatorProc_Ou
 		varena_rewind(arena, input.save_point)
 	case .SavePoint:
 		output.save_point = varena_save(arena)
+	case .Is_Owner:
+		output.error = .Mode_Not_Implemented
 	case .Query:
-		output.features   = {.Alloc, .Reset, .Grow, .Shrink, .Rewind}
+		output.features   = {.Alloc, .Reset, .Grow, .Shrink, .Rewind, .Actually_Resize, .Hint_Fast_Bump, .Is_Owner}
 		output.max_alloc  = int(arena.reserved) - arena.commit_used
 		output.min_alloc  = 0
 		output.left       = output.max_alloc
 		output.save_point = varena_save(arena)
+	case .Startup, .Shutdown, .Thread_Start, .Thread_Stop:
+		output.error = .Mode_Not_Implemented
 	}
 }
 varena_odin_allocator_proc :: proc(
@@ -221,21 +224,21 @@ varena_odin_allocator_proc :: proc(
 	old_memory     : rawptr,
 	old_size       : int,
 	location       : SourceCodeLocation = #caller_location
-) -> (data: []byte, alloc_error: AllocatorError)
+) -> (data: []byte, error: Odin_AllocatorError)
 {
+	error_: AllocatorError
 	arena     := transmute( ^VArena) allocator_data
 	page_size := uint(virtual_get_page_size())
 	switch mode {
 	case .Alloc, .Alloc_Non_Zeroed:
-		data, alloc_error = varena_alloc( arena, size, alignment, (mode == .Alloc), location )
-		return
+		data, error_ = varena_alloc( arena, size, alignment, (mode == .Alloc), location )
 	case .Free:
-		alloc_error = .Mode_Not_Implemented
+		error = .Mode_Not_Implemented
 	case .Free_All:
 		varena_reset( arena )
 	case .Resize, .Resize_Non_Zeroed:
-		if size > old_size do varena_grow  (arena, slice(cursor(old_memory), old_size), size, alignment, (mode == .Alloc), location)
-		else               do varena_shrink(arena, slice(cursor(old_memory), old_size), size, location)
+		if size > old_size do data, error_ = varena_grow  (arena, slice(cursor(old_memory), old_size), size, alignment, (mode == .Alloc), location)
+		else               do data, error_ = varena_shrink(arena, slice(cursor(old_memory), old_size), size, location)
 	case .Query_Features:
 		set := cast( ^Odin_AllocatorModeSet) old_memory
 		if set != nil do (set ^) = {.Alloc, .Alloc_Non_Zeroed, .Free_All, .Resize, .Query_Features}
@@ -243,9 +246,10 @@ varena_odin_allocator_proc :: proc(
 		info := (^Odin_AllocatorQueryInfo)(old_memory)
 		info.pointer   = transmute(rawptr) varena_save(arena).slot
 		info.size      = cast(int) arena.reserved
-		info.alignment = MEMORY_ALIGNMENT_DEFAULT
+		info.alignment = DEFAULT_ALIGNMENT
 		return to_bytes(info), nil
 	}
+	error = transmute(Odin_AllocatorError) error_
 	return
 }
 
@@ -263,12 +267,12 @@ else {
 	varena_allocator :: #force_inline proc "contextless" (arena: ^VArena) -> Odin_Allocator { return transmute(Odin_Allocator) AllocatorInfo{procedure = varena_allocator_proc, data = arena} }
 }
 
-varena_push_item :: #force_inline proc(va: ^VArena, $Type: typeid, alignment: int = MEMORY_ALIGNMENT_DEFAULT, should_zero := true, location := #caller_location
+varena_push_item :: #force_inline proc(va: ^VArena, $Type: typeid, alignment: int = DEFAULT_ALIGNMENT, should_zero := true, location := #caller_location
 ) -> (^Type, AllocatorError) {
 	raw, error := varena_alloc(va, size_of(Type), alignment, should_zero, location)
 	return transmute(^Type) cursor(raw), error
 }
-varena_push_slice :: #force_inline proc(va: ^VArena, $Type: typeid, amount: int, alignment: int = MEMORY_ALIGNMENT_DEFAULT, should_zero := true, location := #caller_location
+varena_push_slice :: #force_inline proc(va: ^VArena, $Type: typeid, amount: int, alignment: int = DEFAULT_ALIGNMENT, should_zero := true, location := #caller_location
 ) -> ([]Type, AllocatorError) {
 	raw, error := varena_alloc(va, size_of(Type) * amount, alignment, should_zero, location)
 	return slice(transmute([^]Type) cursor(raw), len(raw) / size_of(Type)), error

code2/grime/virtual_chained_arena.odin

@@ -18,14 +18,12 @@ Arena :: struct {
 	flags:    ArenaFlags,
 }
 
-arena_make :: proc(reserve_size : int = Mega * 64, commit_size : int = Mega * 64, base_addr: uintptr = 0, flags: ArenaFlags = {}) -> ^Arena {
-	header_size    := align_pow2(size_of(Arena), MEMORY_ALIGNMENT_DEFAULT)
+arena_make :: proc(reserve_size : int = Mega * 64, commit_size : int = Mega * 64, base_addr: uintptr = 0, flags: ArenaFlags = {}) -> (^Arena, AllocatorError) {
+	header_size    := align_pow2(size_of(Arena), DEFAULT_ALIGNMENT)
 	current, error := varena_make(reserve_size, commit_size, base_addr, transmute(VArenaFlags) flags)
-	assert(error   == .None)
-	assert(current != nil)
+	if ensure(error == .None) do return nil, error
 	arena: ^Arena; arena, error = varena_push_item(current, Arena, 1)
-	assert(error == .None)
-	assert(arena != nil)
+	if ensure(error == .None) do return nil, error
 	arena^ = Arena {
 		backing  = current,
 		prev     = nil,
@@ -34,9 +32,9 @@ arena_make :: proc(reserve_size : int = Mega * 64, commit_size : int = Mega * 64
 		pos      = header_size,
 		flags    = flags,
 	}
-	return arena
+	return arena, .None
 }
-arena_alloc :: proc(arena: ^Arena, size: int, alignment: int = MEMORY_ALIGNMENT_DEFAULT) -> []byte {
+arena_alloc :: proc(arena: ^Arena, size: int, alignment: int = DEFAULT_ALIGNMENT, should_zero := true, loc := #caller_location) -> (allocation: []byte, error: AllocatorError) {
 	assert(arena != nil)
 	active         := arena.current
 	size_requested := size
@@ -46,19 +44,65 @@ arena_alloc :: proc(arena: ^Arena, size: int, alignment: int = MEMORY_ALIGNMENT_
 	reserved       := int(active.backing.reserved)
 	should_chain   := (.No_Chaining not_in arena.flags) && (reserved < pos_pst)	
 	if should_chain {
-		new_arena := arena_make(reserved, active.backing.commit_size, 0, transmute(ArenaFlags) active.backing.flags)
+		new_arena: ^Arena; new_arena, error = arena_make(reserved, active.backing.commit_size, 0, transmute(ArenaFlags) active.backing.flags)
+		if ensure(error == .None) do return
 		new_arena.base_pos = active.base_pos + reserved
 		sll_stack_push_n(& arena.current, & new_arena, & new_arena.prev)
 		new_arena.prev = active
 		active = arena.current
 	}
 	result_ptr     := transmute([^]byte) (uintptr(active) + uintptr(pos_pre))
-	vresult, error := varena_alloc(active.backing, size_aligned, alignment)
-	assert(error == .None)
-	slice_assert(vresult)
-	assert(raw_data(vresult) == result_ptr)
+	vresult: []byte; vresult, error  = varena_alloc(active.backing, size_aligned, alignment, should_zero)
+	if ensure(error == .None) do return
+	assert(cursor(vresult) == result_ptr)
 	active.pos = pos_pst
-	return slice(result_ptr, size)
+	allocation = slice(result_ptr, size)
+	return
+}
+arena_grow :: proc(arena: ^Arena, old_allocation: []byte, requested_size: int, alignment: int = DEFAULT_ALIGNMENT, zero_memory := true, loc := #caller_location
+) -> (allocation: []byte, error: AllocatorError) 
+{
+	active := arena.current
+	if len(old_allocation) == 0 { allocation = {}; return }
+	alloc_end := end(old_allocation)
+	arena_end := transmute([^]byte) (uintptr(active) + uintptr(active.pos))
+	if alloc_end == arena_end
+	{
+		// Can grow in place
+		grow_amount  := requested_size - len(old_allocation)
+		aligned_grow := align_pow2(grow_amount, alignment)
+		if active.pos + aligned_grow <= cast(int) active.backing.reserved
+		{
+			vresult: []byte; vresult, error = varena_alloc(active.backing, aligned_grow, alignment, zero_memory)
+			if ensure(error == .None) do return
+			active.pos += aligned_grow
+			allocation = slice(cursor(old_allocation), requested_size)
+			return
+		}
+	}
+	// Can't grow in place, allocate new
+	allocation, error = arena_alloc(arena, requested_size, alignment, false)
+	if ensure(error == .None) do return
+	copy(allocation, old_allocation)
+	zero(cursor(allocation)[len(old_allocation):], (requested_size - len(old_allocation)) * int(zero_memory))
+	return
+}
+arena_shrink :: proc(arena: ^Arena, old_allocation: []byte, requested_size, alignment: int, loc := #caller_location) -> (result: []byte, error: AllocatorError) {
+	active := arena.current
+	if ensure(len(old_allocation) != 0) { return }
+	alloc_end := end(old_allocation)
+	arena_end := transmute([^]byte) (uintptr(active) + uintptr(active.pos))
+	if alloc_end != arena_end {
+		// Not at the end, can't shrink but return adjusted size
+		result = old_allocation[:requested_size]
+	}
+	// Calculate shrinkage
+	aligned_original := align_pow2(len(old_allocation), DEFAULT_ALIGNMENT)
+	aligned_new      := align_pow2(requested_size, alignment)
+	pos_reduction    := aligned_original - aligned_new
+	active.pos       -= pos_reduction
+	result, error = varena_shrink(active.backing, old_allocation, aligned_new)
+	return
 }
 arena_release :: proc(arena: ^Arena) {
 	assert(arena != nil)
@@ -72,10 +116,10 @@ arena_release :: proc(arena: ^Arena) {
 arena_reset :: proc(arena: ^Arena) {
 	arena_rewind(arena, AllocatorSP { type_sig = arena_allocator_proc, slot = 0 })
 }
-arena_rewind :: proc(arena: ^Arena, save_point: AllocatorSP) {
+arena_rewind :: proc(arena: ^Arena, save_point: AllocatorSP, loc := #caller_location) {
 	assert(arena != nil)
 	assert(save_point.type_sig == arena_allocator_proc)
-	header_size := align_pow2(size_of(Arena), MEMORY_ALIGNMENT_DEFAULT)
+	header_size := align_pow2(size_of(Arena), DEFAULT_ALIGNMENT)
 	curr        := arena.current
 	big_pos     := max(header_size, save_point.slot)
 	// Release arenas that are beyond the save point
@@ -85,15 +129,43 @@ arena_rewind :: proc(arena: ^Arena, save_point: AllocatorSP) {
 		curr = prev
 	}
 	arena.current = curr
-	new_pos      := big_pos - curr.base_pos
-	assert(new_pos <= curr.pos)
+	new_pos      := big_pos - curr.base_pos; assert(new_pos <= curr.pos)
 	curr.pos = new_pos
 	varena_rewind(curr.backing, { type_sig = varena_allocator_proc, slot = curr.pos + size_of(VArena) })
 }
 arena_save :: #force_inline proc(arena: ^Arena) -> AllocatorSP { return { type_sig = arena_allocator_proc, slot = arena.base_pos + arena.current.pos } }
 
 arena_allocator_proc :: proc(input: AllocatorProc_In, output: ^AllocatorProc_Out) {
-	panic("not implemented")
+	assert(output     != nil)
+	assert(input.data != nil)
+	arena := transmute(^Arena) input.data
+	switch input.op {
+	case .Alloc, .Alloc_NoZero:
+		output.allocation, output.error = arena_alloc(arena, input.requested_size, input.alignment, input.op == .Alloc, input.loc)
+		return
+	case .Free: 
+		output.error = .Mode_Not_Implemented
+	case .Reset: 
+		arena_reset(arena)
+	case .Grow, .Grow_NoZero:
+		output.allocation, output.error = arena_grow(arena, input.old_allocation, input.requested_size, input.alignment, input.op == .Grow, input.loc)
+	case .Shrink:
+		output.allocation, output.error = arena_shrink(arena, input.old_allocation, input.requested_size, input.alignment, input.loc)
+	case .Rewind:
+		arena_rewind(arena, input.save_point, input.loc)
+	case .SavePoint:
+		output.save_point = arena_save(arena)
+	case .Query:
+		output.features   = {.Alloc, .Reset, .Grow, .Shrink, .Rewind, .Actually_Resize, .Is_Owner, .Hint_Fast_Bump }
+		output.max_alloc  = int(arena.backing.reserved)
+		output.min_alloc  = 0
+		output.left       = output.max_alloc
+		output.save_point = arena_save(arena)
+	case .Is_Owner:
+		output.error = .Mode_Not_Implemented
+	case .Startup, .Shutdown, .Thread_Start, .Thread_Stop:
+		output.error = .Mode_Not_Implemented
+	}
 }
 arena_odin_allocator_proc :: proc(
 	allocator_data : rawptr,
@@ -103,7 +175,7 @@ arena_odin_allocator_proc :: proc(
 	old_memory     : rawptr,
 	old_size       : int,
 	location       : SourceCodeLocation = #caller_location
-) -> (data: []byte, alloc_error: AllocatorError)
+) -> (data: []byte, alloc_error: Odin_AllocatorError)
 {
 	panic("not implemented")
 }

code2/grime/virtual_memory.odin

@@ -32,7 +32,7 @@ virtual_reserve_remaining :: proc "contextless" ( using vmem : VirtualMemoryRegi
 @(require_results)
 virtual_commit :: proc "contextless" ( using vmem : VirtualMemoryRegion, size : uint ) -> ( alloc_error : AllocatorError )
 {
-	if size < committed {
+	if size < committed { 
 		return .None
 	}
 
@@ -40,7 +40,7 @@ virtual_commit :: proc "contextless" ( using vmem : VirtualMemoryRegion, size :
 	page_size   := uint(virtual_get_page_size())
 	to_commit   := memory_align_formula( size, page_size )
 
-	alloc_error = core_virtual.commit( base_address, to_commit )
+	alloc_error = cast(AllocatorError) core_virtual.commit( base_address, to_commit )
 	if alloc_error != .None {
 		return alloc_error
 	}

code2/grime/virtual_pool.odin

@@ -24,5 +24,3 @@ pool_make :: proc() -> (pool: VPool, error: AllocatorError)
 	panic("not implemented")
 	// return
 }
-
-

code2/host/host.odin

@@ -14,9 +14,7 @@ load_client_api :: proc(version_id: int) -> (loaded_module: Client_API) {
 	using loaded_module
 	// Make sure we have a dll to work with
 	file_io_err: OS_Error; write_time, file_io_err = file_last_write_time_by_name("sectr.dll")
-	if file_io_err != OS_ERROR_NONE {
-		panic_contextless( "Could not resolve the last write time for sectr")
-	}
+	if file_io_err != OS_ERROR_NONE { panic_contextless( "Could not resolve the last write time for sectr") }
 	//TODO(Ed): Lets try to minimize this...
 	thread_sleep( Millisecond * 25 )
 	// Get the live dll loaded up
@@ -84,16 +82,12 @@ main :: proc()
 			startup_time     := time_now()
 			year, month, day := time_date( startup_time)
 			hour, min, sec   := time_clock_from_time( startup_time)
-
-			if ! os_is_directory( Path_Logs ) {
-				os_make_directory( Path_Logs )
-			}
+			if ! os_is_directory( Path_Logs ) { os_make_directory( Path_Logs ) }
 			timestamp                        := str_pfmt_tmp("%04d-%02d-%02d_%02d-%02d-%02d", year, month, day, hour, min, sec)
 			host_memory.path_logger_finalized = str_pfmt("%s/sectr_%v.log", Path_Logs, timestamp)
 		}
 		logger_init( & host_memory.host_logger, "Sectr Host", str_pfmt_tmp("%s/sectr.log", Path_Logs))
-		context.logger = to_odin_logger( & host_memory.host_logger )
-		{
+		context.logger = to_odin_logger( & host_memory.host_logger ); {
 			// Log System Context
 			builder := strbuilder_make_len(16 * Kilo, context.temp_allocator)
 			str_pfmt_builder( & builder, "Core Count: %v, ", os_core_count() )
@@ -103,8 +97,7 @@ main :: proc()
 		free_all(context.temp_allocator)
 	}
 	context.logger = to_odin_logger( & host_memory.host_logger )
-	// Load the Enviornment API for the first-time
-	{
+	/*Load the Enviornment API for the first-time*/{
 		host_memory.client_api = load_client_api( 1 )
 		verify( host_memory.client_api.lib_version != 0, "Failed to initially load the sectr module" )
 	}
@@ -120,7 +113,10 @@ main :: proc()
 			barrier_init(& host_memory.lane_sync, THREAD_TICK_LANES)
 			when THREAD_TICK_LANES > 1 {
 				for id in 1 ..= (THREAD_TICK_LANES - 1) {
-					launch_tick_lane_thread(cast(WorkerID) id)
+					lane_thread           := thread_create_ex(host_tick_lane_entrypoint, .High, enum_to_string(cast(WorkerID)id))
+					lane_thread.user_index = id
+					host_memory.threads[lane_thread.user_index] = lane_thread
+					thread_start(lane_thread)
 				}
 			}
 		}
@@ -136,7 +132,7 @@ main :: proc()
 			barrier_init(& host_memory.job_hot_reload_sync, THREAD_JOB_WORKERS + 1)
 			for id in THREAD_JOB_WORKER_ID_START ..< THREAD_JOB_WORKER_ID_END {
 				log_print_fmt("Spawned job worker: %v", cast(WorkerID) id)
-				worker_thread           := thread_create(host_job_worker_entrypoint, .Normal)
+				worker_thread           := thread_create_ex(host_job_worker_entrypoint, .Normal, enum_to_string(cast(WorkerID) id))
 				worker_thread.user_index = int(id)
 				host_memory.threads[worker_thread.user_index] = worker_thread
 				thread_start(worker_thread)
@@ -146,6 +142,7 @@ main :: proc()
 	}
 	free_all(context.temp_allocator)
 	host_tick_lane()
+	host_lane_shutdown()
 
 	profile_begin("Host Shutdown")
 	if thread_memory.id == .Master_Prepper {
@@ -165,14 +162,6 @@ main :: proc()
 	spall_buffer_destroy(& host_memory.spall_context, & thread_memory.spall_buffer)
 	spall_context_destroy( & host_memory.spall_context )
 }
-launch_tick_lane_thread :: proc(id : WorkerID) {
-	assert_contextless(thread_memory.id == .Master_Prepper)
-	// TODO(Ed): We need to make our own version of this that doesn't allocate memory.
-	lane_thread           := thread_create(host_tick_lane_entrypoint, .High)
-	lane_thread.user_index = int(id)
-	host_memory.threads[lane_thread.user_index] = lane_thread
-	thread_start(lane_thread)
-}
 
 host_tick_lane_entrypoint :: proc(lane_thread: ^SysThread) {
 	thread_memory.system_ctx = lane_thread
@@ -184,13 +173,12 @@ host_tick_lane_entrypoint :: proc(lane_thread: ^SysThread) {
 		grime_set_profiler_thread_buffer(& thread_memory.spall_buffer)
 	}
 	host_tick_lane()
+	host_lane_shutdown()
 }
 host_tick_lane :: proc()
 {
-	profile(#procedure)
 	delta_ns: Duration
 	host_tick := time_tick_now()
-
 	for ; sync_load(& host_memory.tick_running, .Relaxed);
 	{
 		profile("Host Tick")
@@ -207,7 +195,6 @@ host_tick_lane :: proc()
 		// Lanes are synced before doing running check..
 		sync_client_api()
 	}
-	host_lane_shutdown()
 }
 host_lane_shutdown :: proc()
 {
@@ -218,8 +205,8 @@ host_lane_shutdown :: proc()
 		for ; jobs_enqueued; {
 			jobs_enqueued  = false
 			jobs_enqueued |= host_memory.job_system.job_lists[.Normal].head != nil
-			jobs_enqueued |= host_memory.job_system.job_lists[.Low].head    != nil
-			jobs_enqueued |= host_memory.job_system.job_lists[.High].head   != nil
+			jobs_enqueued |= host_memory.job_system.job_lists[.Low   ].head != nil
+			jobs_enqueued |= host_memory.job_system.job_lists[.High  ].head != nil
 			// if jobs_enqueued == false do debug_trap()
 		} 
 		sync_store(& host_memory.job_system.running, false, .Release)
@@ -242,8 +229,8 @@ host_job_worker_entrypoint :: proc(worker_thread: ^SysThread)
 	}
 	jobs_enqueued := false
 	jobs_enqueued |= host_memory.job_system.job_lists[.Normal].head != nil
-	jobs_enqueued |= host_memory.job_system.job_lists[.Low].head    != nil
-	jobs_enqueued |= host_memory.job_system.job_lists[.High].head   != nil
+	jobs_enqueued |= host_memory.job_system.job_lists[.Low   ].head != nil
+	jobs_enqueued |= host_memory.job_system.job_lists[.High  ].head != nil
 	delta_ns: Duration
 	host_tick := time_tick_now()
 	for ; jobs_enqueued || sync_load(& host_memory.job_system.running, .Relaxed); 
@@ -251,15 +238,12 @@ host_job_worker_entrypoint :: proc(worker_thread: ^SysThread)
 		// profile("Host Job Tick")
 
 		host_memory.client_api.jobsys_worker_tick(duration_seconds(delta_ns), delta_ns)
-
 		delta_ns  = time_tick_lap_time( & host_tick )
 		host_tick = time_tick_now()
-
 		jobs_enqueued  = false
 		jobs_enqueued |= host_memory.job_system.job_lists[.Normal].head != nil
-		jobs_enqueued |= host_memory.job_system.job_lists[.Low].head    != nil
-		jobs_enqueued |= host_memory.job_system.job_lists[.High].head   != nil
-
+		jobs_enqueued |= host_memory.job_system.job_lists[.Low   ].head != nil
+		jobs_enqueued |= host_memory.job_system.job_lists[.High  ].head != nil
 		if jobs_enqueued == false && sync_load(& host_memory.client_api_hot_reloaded, .Acquire) {
 			// Signals to main hread when all jobs have drained.
 			leader :=barrier_wait(& host_memory.job_hot_reload_sync) 

code2/host/pkg_mappings.odin

@@ -43,6 +43,9 @@ import "core:prof/spall"
 	spall_buffer_create       :: spall.buffer_create
 	spall_buffer_destroy      :: spall.buffer_destroy
 
+import "core:reflect"
+	enum_to_string        :: reflect.enum_string
+
 import "core:strings"
 	strbuilder_from_bytes :: strings.builder_from_bytes
 	strbuilder_make_len   :: strings.builder_make_len
@@ -72,6 +75,7 @@ import "core:time"
 import "core:thread"
 	SysThread            :: thread.Thread
 	thread_create        :: thread.create
+	thread_create_ex     :: thread.create_ex
 	thread_start         :: thread.start
 	thread_destroy       :: thread.destroy
 	thread_join_multiple :: thread.join_multiple
@@ -93,8 +97,7 @@ import grime "codebase:grime"
 
 	// Need to have it with un-wrapped allocator
 	// file_copy_sync    :: grime.file_copy_sync
-	file_copy_sync :: proc( path_src, path_dst: string, allocator := context.allocator ) -> b32
-	{
+	file_copy_sync :: proc( path_src, path_dst: string, allocator := context.allocator ) -> b32 {
 		file_size : i64
 		{
 			path_info, result := file_status( path_src, allocator )
@@ -104,14 +107,12 @@ import grime "codebase:grime"
 			}
 			file_size = path_info.size
 		}
-
 		src_content, result := os.read_entire_file_from_filename( path_src, allocator )
 		if ! result {
 			log_print_fmt( "Failed to read file to copy: %v", path_src, LoggerLevel.Error )
 			debug_trap()
 			return false
 		}
-
 		result = os.write_entire_file( path_dst, src_content, false )
 		if ! result {
 			log_print_fmt( "Failed to copy file: %v", path_dst, LoggerLevel.Error )

code2/sectr/engine/host_api.odin

@@ -56,7 +56,7 @@ Host_API :: struct {
 }
 
 ThreadMemory :: struct {
-	using _:    ThreadWorkerContext,
+	using _: ThreadWorkerContext,
 
 	// Per-thread profiling
 	spall_buffer_backing: [SPALL_BUFFER_DEFAULT_SIZE]byte,

code2/sectr/pkg_mappings.odin

@@ -77,8 +77,8 @@ import "codebase:grime"
 	logger_init                 :: grime.logger_init
 	// Memory
 	mem_alloc                   :: grime.mem_alloc
+	mem_copy_overlapping        :: grime.mem_copy_overlapping
 	mem_copy                    :: grime.mem_copy
-	mem_copy_non_overlapping    :: grime.mem_copy_non_overlapping
 	mem_zero                    :: grime.mem_zero
 	slice_zero                  :: grime.slice_zero
 	// Ring Buffer