Require `@(init)` and `@(fini)` to be `proc "contextless" ()`

base/runtime/default_allocators_nil.odin

@@ -23,7 +23,7 @@ nil_allocator_proc :: proc(allocator_data: rawptr, mode: Allocator_Mode,
 	return nil, .None
 }
 
-nil_allocator :: proc() -> Allocator {
+nil_allocator :: proc "contextless" () -> Allocator {
 	return Allocator{
 		procedure = nil_allocator_proc,
 		data = nil,

base/runtime/default_temp_allocator_arena.odin

@@ -52,10 +52,13 @@ memory_block_alloc :: proc(allocator: Allocator, capacity: uint, alignment: uint
 	return
 }
 
-memory_block_dealloc :: proc(block_to_free: ^Memory_Block, loc := #caller_location) {
+memory_block_dealloc :: proc "contextless" (block_to_free: ^Memory_Block, loc := #caller_location) {
 	if block_to_free != nil {
+
 		allocator := block_to_free.allocator
 		// sanitizer.address_unpoison(block_to_free.base, block_to_free.capacity)
+		context = default_context()
+		context.allocator = allocator
 		mem_free(block_to_free, allocator, loc)
 	}
 }
@@ -172,7 +175,7 @@ arena_free_all :: proc(arena: ^Arena, loc := #caller_location) {
 	arena.total_used = 0
 }
 
-arena_destroy :: proc(arena: ^Arena, loc := #caller_location) {
+arena_destroy :: proc "contextless" (arena: ^Arena, loc := #caller_location) {
 	for arena.curr_block != nil {
 		free_block := arena.curr_block
 		arena.curr_block = free_block.prev

base/runtime/default_temporary_allocator.odin

@@ -8,7 +8,7 @@ when NO_DEFAULT_TEMP_ALLOCATOR {
 	
 	default_temp_allocator_init :: proc(s: ^Default_Temp_Allocator, size: int, backing_allocator := context.allocator) {}
 	
-	default_temp_allocator_destroy :: proc(s: ^Default_Temp_Allocator) {}
+	default_temp_allocator_destroy :: proc "contextless" (s: ^Default_Temp_Allocator) {}
 	
 	default_temp_allocator_proc :: nil_allocator_proc
 
@@ -28,7 +28,7 @@ when NO_DEFAULT_TEMP_ALLOCATOR {
 		_ = arena_init(&s.arena, uint(size), backing_allocator)
 	}
 
-	default_temp_allocator_destroy :: proc(s: ^Default_Temp_Allocator) {
+	default_temp_allocator_destroy :: proc "contextless" (s: ^Default_Temp_Allocator) {
 		if s != nil {
 			arena_destroy(&s.arena)
 			s^ = {}
@@ -56,7 +56,7 @@ when NO_DEFAULT_TEMP_ALLOCATOR {
 	}
 
 	@(fini, private)
-	_destroy_temp_allocator_fini :: proc() {
+	_destroy_temp_allocator_fini :: proc "contextless" () {
 		default_temp_allocator_destroy(&global_default_temp_allocator_data)
 	}
 }

base/runtime/thread_management.odin

@@ -1,10 +1,14 @@
 package runtime
 
-Thread_Local_Cleaner :: #type proc "odin" ()
+Thread_Local_Cleaner_Odin :: #type proc "odin" ()
+Thread_Local_Cleaner_Contextless :: #type proc "contextless" ()
+
+Thread_Local_Cleaner :: union #shared_nil {Thread_Local_Cleaner_Odin, Thread_Local_Cleaner_Contextless}
 
 @(private="file")
 thread_local_cleaners: [8]Thread_Local_Cleaner
 
+
 // Add a procedure that will be run at the end of a thread for the purpose of
 // deallocating state marked as `thread_local`.
 //
@@ -29,6 +33,9 @@ run_thread_local_cleaners :: proc "odin" () {
 		if p == nil {
 			break
 		}
-		p()
+		switch v in p {
+		case Thread_Local_Cleaner_Odin:        v()
+		case Thread_Local_Cleaner_Contextless: v()
+		}
 	}
 }

core/encoding/cbor/tags.odin

@@ -82,14 +82,16 @@ _tag_implementations_id: map[string]Tag_Implementation
 _tag_implementations_type: map[typeid]Tag_Implementation
 
 // Register a custom tag implementation to be used when marshalling that type and unmarshalling that tag number.
-tag_register_type :: proc(impl: Tag_Implementation, nr: Tag_Number, type: typeid) {
+tag_register_type :: proc "contextless" (impl: Tag_Implementation, nr: Tag_Number, type: typeid) {
+	context = runtime.default_context()
 	_tag_implementations_nr[nr] = impl
 	_tag_implementations_type[type] = impl
 }
 
 // Register a custom tag implementation to be used when marshalling that tag number or marshalling
 // a field with the struct tag `cbor_tag:"nr"`.
-tag_register_number :: proc(impl: Tag_Implementation, nr: Tag_Number, id: string) {
+tag_register_number :: proc "contextless" (impl: Tag_Implementation, nr: Tag_Number, id: string) {
+	context = runtime.default_context()
 	_tag_implementations_nr[nr] = impl
 	_tag_implementations_id[id] = impl
 }
@@ -98,13 +100,13 @@ tag_register_number :: proc(impl: Tag_Implementation, nr: Tag_Number, id: string
 INITIALIZE_DEFAULT_TAGS :: #config(CBOR_INITIALIZE_DEFAULT_TAGS, !ODIN_DEFAULT_TO_PANIC_ALLOCATOR && !ODIN_DEFAULT_TO_NIL_ALLOCATOR)
 
 @(private, init, disabled=!INITIALIZE_DEFAULT_TAGS)
-tags_initialize_defaults :: proc() {
+tags_initialize_defaults :: proc "contextless" () {
 	tags_register_defaults()
 }
 
 // Registers tags that have implementations provided by this package.
 // This is done by default and can be controlled with the `CBOR_INITIALIZE_DEFAULT_TAGS` define.
-tags_register_defaults :: proc() {
+tags_register_defaults :: proc "contextless" () {
 	tag_register_number({nil, tag_time_unmarshal,   tag_time_marshal},   TAG_EPOCH_TIME_NR, TAG_EPOCH_TIME_ID)
 	tag_register_number({nil, tag_base64_unmarshal, tag_base64_marshal}, TAG_BASE64_NR,     TAG_BASE64_ID)
 	tag_register_number({nil, tag_cbor_unmarshal,   tag_cbor_marshal},   TAG_CBOR_NR,       TAG_CBOR_ID)

core/image/bmp/bmp.odin

@@ -741,6 +741,6 @@ destroy :: proc(img: ^Image) {
 }
 
 @(init, private)
-_register :: proc() {
+_register :: proc "contextless" () {
 	image.register(.BMP, load_from_bytes, destroy)
 }

core/image/general.odin

@@ -10,13 +10,13 @@ Destroy_Proc :: #type proc(img: ^Image)
 _internal_loaders: [Which_File_Type]Loader_Proc
 _internal_destroyers: [Which_File_Type]Destroy_Proc
 
-register :: proc(kind: Which_File_Type, loader: Loader_Proc, destroyer: Destroy_Proc) {
-	assert(loader != nil)
-	assert(destroyer != nil)
-	assert(_internal_loaders[kind] == nil)
+register :: proc "contextless" (kind: Which_File_Type, loader: Loader_Proc, destroyer: Destroy_Proc) {
+	assert_contextless(loader != nil)
+	assert_contextless(destroyer != nil)
+	assert_contextless(_internal_loaders[kind] == nil)
 	_internal_loaders[kind] = loader
 
-	assert(_internal_destroyers[kind] == nil)
+	assert_contextless(_internal_destroyers[kind] == nil)
 	_internal_destroyers[kind] = destroyer
 }
 

core/image/netpbm/netpbm.odin

@@ -720,7 +720,7 @@ autoselect_pbm_format_from_image :: proc(img: ^Image, prefer_binary := true, for
 }
 
 @(init, private)
-_register :: proc() {
+_register :: proc "contextless" () {
 	loader :: proc(data: []byte, options: image.Options, allocator: mem.Allocator) -> (img: ^Image, err: Error) {
 		return load_from_bytes(data, allocator)
 	}

core/image/png/png.odin

@@ -1611,6 +1611,6 @@ defilter :: proc(img: ^Image, filter_bytes: ^bytes.Buffer, header: ^image.PNG_IH
 }
 
 @(init, private)
-_register :: proc() {
+_register :: proc "contextless" () {
 	image.register(.PNG, load_from_bytes, destroy)
 }

core/image/qoi/qoi.odin

@@ -371,6 +371,6 @@ qoi_hash :: #force_inline proc(pixel: RGBA_Pixel) -> (index: u8) {
 }
 
 @(init, private)
-_register :: proc() {
+_register :: proc "contextless" () {
 	image.register(.QOI, load_from_bytes, destroy)
 }

core/image/tga/tga.odin

@@ -406,6 +406,6 @@ IMAGE_DESCRIPTOR_RIGHT_MASK :: 1<<4
 IMAGE_DESCRIPTOR_TOP_MASK   :: 1<<5
 
 @(init, private)
-_register :: proc() {
+_register :: proc "contextless" () {
 	image.register(.TGA, load_from_bytes, destroy)
 }

core/log/file_console_logger.odin

@@ -43,12 +43,14 @@ File_Console_Logger_Data :: struct {
 @(private) global_subtract_stderr_options: Options
 
 @(init, private)
-init_standard_stream_status :: proc() {
+init_standard_stream_status :: proc "contextless" () {
 	// NOTE(Feoramund): While it is technically possible for these streams to
 	// be redirected during the runtime of the program, the cost of checking on
 	// every single log message is not worth it to support such an
 	// uncommonly-used feature.
 	if terminal.color_enabled {
+		context = runtime.default_context()
+
 		// This is done this way because it's possible that only one of these
 		// streams could be redirected to a file.
 		if !terminal.is_terminal(os.stdout) {

core/math/big/helpers.odin

@@ -7,6 +7,7 @@
 package math_big
 
 import "base:intrinsics"
+import "base:runtime"
 import rnd "core:math/rand"
 
 /*
@@ -778,22 +779,23 @@ int_from_bytes_little_python :: proc(a: ^Int, buf: []u8, signed := false, alloca
 INT_ONE, INT_ZERO, INT_MINUS_ONE, INT_INF, INT_MINUS_INF, INT_NAN := &Int{}, &Int{}, &Int{}, &Int{}, &Int{}, &Int{}
 
 @(init, private)
-_init_constants :: proc() {
+_init_constants :: proc "contextless" () {
 	initialize_constants()
 }
 
-initialize_constants :: proc() -> (res: int) {
-	internal_set(     INT_ZERO,  0);      INT_ZERO.flags = {.Immutable}
-	internal_set(      INT_ONE,  1);       INT_ONE.flags = {.Immutable}
-	internal_set(INT_MINUS_ONE, -1); INT_MINUS_ONE.flags = {.Immutable}
+initialize_constants :: proc "contextless" () -> (res: int) {
+	context = runtime.default_context()
+	internal_int_set_from_integer(     INT_ZERO,  0);      INT_ZERO.flags = {.Immutable}
+	internal_int_set_from_integer(      INT_ONE,  1);       INT_ONE.flags = {.Immutable}
+	internal_int_set_from_integer(INT_MINUS_ONE, -1); INT_MINUS_ONE.flags = {.Immutable}
 
 	/*
 		We set these special values to -1 or 1 so they don't get mistake for zero accidentally.
 		This allows for shortcut tests of is_zero as .used == 0.
 	*/
-	internal_set(      INT_NAN,  1);       INT_NAN.flags = {.Immutable, .NaN}
-	internal_set(      INT_INF,  1);       INT_INF.flags = {.Immutable, .Inf}
-	internal_set(INT_MINUS_INF, -1); INT_MINUS_INF.flags = {.Immutable, .Inf}
+	internal_int_set_from_integer(      INT_NAN,  1);       INT_NAN.flags = {.Immutable, .NaN}
+	internal_int_set_from_integer(      INT_INF,  1);       INT_INF.flags = {.Immutable, .Inf}
+	internal_int_set_from_integer(INT_MINUS_INF, -1); INT_MINUS_INF.flags = {.Immutable, .Inf}
 
 	return _DEFAULT_MUL_KARATSUBA_CUTOFF
 }

core/math/big/internal.odin

@@ -27,10 +27,11 @@
 
 package math_big
 
-import "core:mem"
+import "base:builtin"
 import "base:intrinsics"
+import "base:runtime"
+import "core:mem"
 import rnd "core:math/rand"
-import "base:builtin"
 
 /*
 	Low-level addition, unsigned. Handbook of Applied Cryptography, algorithm 14.7.
@@ -2885,12 +2886,12 @@ internal_clear_if_uninitialized_multi :: proc(args: ..^Int, allocator := context
 }
 internal_clear_if_uninitialized :: proc {internal_clear_if_uninitialized_single, internal_clear_if_uninitialized_multi, }
 
-internal_error_if_immutable_single :: proc(arg: ^Int) -> (err: Error) {
+internal_error_if_immutable_single :: proc "contextless" (arg: ^Int) -> (err: Error) {
 	if arg != nil && .Immutable in arg.flags { return .Assignment_To_Immutable }
 	return nil
 }
 
-internal_error_if_immutable_multi :: proc(args: ..^Int) -> (err: Error) {
+internal_error_if_immutable_multi :: proc "contextless" (args: ..^Int) -> (err: Error) {
 	for i in args {
 		if i != nil && .Immutable in i.flags { return .Assignment_To_Immutable }
 	}

core/mem/virtual/virtual.odin

@@ -9,7 +9,7 @@ _ :: runtime
 DEFAULT_PAGE_SIZE := uint(4096)
 
 @(init, private)
-platform_memory_init :: proc() {
+platform_memory_init :: proc "contextless" () {
 	_platform_memory_init()
 }
 

core/mem/virtual/virtual_linux.odin

@@ -43,10 +43,10 @@ _protect :: proc "contextless" (data: rawptr, size: uint, flags: Protect_Flags)
 	return errno == .NONE
 }
 
-_platform_memory_init :: proc() {
+_platform_memory_init :: proc "contextless" () {
 	DEFAULT_PAGE_SIZE = 4096
 	// is power of two
-	assert(DEFAULT_PAGE_SIZE != 0 && (DEFAULT_PAGE_SIZE & (DEFAULT_PAGE_SIZE-1)) == 0)
+	assert_contextless(DEFAULT_PAGE_SIZE != 0 && (DEFAULT_PAGE_SIZE & (DEFAULT_PAGE_SIZE-1)) == 0)
 }
 
 

core/mem/virtual/virtual_other.odin

@@ -25,7 +25,7 @@ _protect :: proc "contextless" (data: rawptr, size: uint, flags: Protect_Flags)
 	return false
 }
 
-_platform_memory_init :: proc() {
+_platform_memory_init :: proc "contextless" () {
 }
 
 _map_file :: proc "contextless" (fd: uintptr, size: i64, flags: Map_File_Flags) -> (data: []byte, error: Map_File_Error) {

core/mem/virtual/virtual_posix.odin

@@ -28,13 +28,13 @@ _protect :: proc "contextless" (data: rawptr, size: uint, flags: Protect_Flags)
 	return posix.mprotect(data, size, transmute(posix.Prot_Flags)flags) == .OK
 }
 
-_platform_memory_init :: proc() {
+_platform_memory_init :: proc "contextless" () {
 	// NOTE: `posix.PAGESIZE` due to legacy reasons could be wrong so we use `sysconf`.
 	size := posix.sysconf(._PAGESIZE)
 	DEFAULT_PAGE_SIZE = uint(max(size, posix.PAGESIZE))
 
 	// is power of two
-	assert(DEFAULT_PAGE_SIZE != 0 && (DEFAULT_PAGE_SIZE & (DEFAULT_PAGE_SIZE-1)) == 0)
+	assert_contextless(DEFAULT_PAGE_SIZE != 0 && (DEFAULT_PAGE_SIZE & (DEFAULT_PAGE_SIZE-1)) == 0)
 }
 
 _map_file :: proc "contextless" (fd: uintptr, size: i64, flags: Map_File_Flags) -> (data: []byte, error: Map_File_Error) {

core/mem/virtual/virtual_windows.odin

@@ -146,13 +146,13 @@ _protect :: proc "contextless" (data: rawptr, size: uint, flags: Protect_Flags)
 
 
 @(no_sanitize_address)
-_platform_memory_init :: proc() {
+_platform_memory_init :: proc "contextless" () {
 	sys_info: SYSTEM_INFO
 	GetSystemInfo(&sys_info)
 	DEFAULT_PAGE_SIZE = max(DEFAULT_PAGE_SIZE, uint(sys_info.dwPageSize))
 	
 	// is power of two
-	assert(DEFAULT_PAGE_SIZE != 0 && (DEFAULT_PAGE_SIZE & (DEFAULT_PAGE_SIZE-1)) == 0)
+	assert_contextless(DEFAULT_PAGE_SIZE != 0 && (DEFAULT_PAGE_SIZE & (DEFAULT_PAGE_SIZE-1)) == 0)
 }
 
 

core/net/socket_windows.odin

@@ -79,7 +79,7 @@ Shutdown_Manner :: enum c.int {
 }
 
 @(init, private)
-ensure_winsock_initialized :: proc() {
+ensure_winsock_initialized :: proc "contextless" () {
 	win.ensure_winsock_initialized()
 }
 

core/os/os2/allocators.odin

@@ -16,7 +16,7 @@ MAX_TEMP_ARENA_COLLISIONS :: MAX_TEMP_ARENA_COUNT - 1
 global_default_temp_allocator_arenas: [MAX_TEMP_ARENA_COUNT]runtime.Arena
 
 @(fini, private)
-temp_allocator_fini :: proc() {
+temp_allocator_fini :: proc "contextless" () {
 	for &arena in global_default_temp_allocator_arenas {
 		runtime.arena_destroy(&arena)
 	}
@@ -69,6 +69,6 @@ _temp_allocator_end :: proc(tmp: runtime.Arena_Temp) {
 }
 
 @(init, private)
-init_thread_local_cleaner :: proc() {
+init_thread_local_cleaner :: proc "contextless" () {
 	runtime.add_thread_local_cleaner(temp_allocator_fini)
 }

core/os/os2/file_posix.odin

@@ -25,8 +25,8 @@ File_Impl :: struct {
 }
 
 @(init)
-init_std_files :: proc() {
-	new_std :: proc(impl: ^File_Impl, fd: posix.FD, name: cstring) -> ^File {
+init_std_files :: proc "contextless" () {
+	new_std :: proc "contextless" (impl: ^File_Impl, fd: posix.FD, name: cstring) -> ^File {
 		impl.file.impl = impl
 		impl.fd = fd
 		impl.allocator = runtime.nil_allocator()

core/os/os2/file_wasi.odin

@@ -30,8 +30,8 @@ Preopen :: struct {
 preopens: []Preopen
 
 @(init)
-init_std_files :: proc() {
-	new_std :: proc(impl: ^File_Impl, fd: wasi.fd_t, name: string) -> ^File {
+init_std_files :: proc "contextless" () {
+	new_std :: proc "contextless" (impl: ^File_Impl, fd: wasi.fd_t, name: string) -> ^File {
 		impl.file.impl = impl
 		impl.allocator = runtime.nil_allocator()
 		impl.fd = fd

core/os/os2/file_windows.odin

@@ -43,8 +43,8 @@ File_Impl :: struct {
 }
 
 @(init)
-init_std_files :: proc() {
-	new_std :: proc(impl: ^File_Impl, code: u32, name: string) -> ^File {
+init_std_files :: proc "contextless" () {
+	new_std :: proc "contextless" (impl: ^File_Impl, code: u32, name: string) -> ^File {
 		impl.file.impl = impl
 
 		impl.allocator = runtime.nil_allocator()
@@ -77,7 +77,7 @@ init_std_files :: proc() {
 	stderr = new_std(&files[2], win32.STD_ERROR_HANDLE,  "<stderr>")
 }
 
-_handle :: proc(f: ^File) -> win32.HANDLE {
+_handle :: proc "contextless" (f: ^File) -> win32.HANDLE {
 	return win32.HANDLE(_fd(f))
 }
 
@@ -234,7 +234,7 @@ _clone :: proc(f: ^File) -> (clone: ^File, err: Error) {
 	return _new_file(uintptr(clonefd), name(f), file_allocator())
 }
 
-_fd :: proc(f: ^File) -> uintptr {
+_fd :: proc "contextless" (f: ^File) -> uintptr {
 	if f == nil || f.impl == nil {
 		return INVALID_HANDLE
 	}

core/os/os2/path_windows.odin

@@ -160,7 +160,7 @@ _get_executable_path :: proc(allocator: runtime.Allocator) -> (path: string, err
 can_use_long_paths: bool
 
 @(init)
-init_long_path_support :: proc() {
+init_long_path_support :: proc "contextless" () {
 	can_use_long_paths = false
 
 	key: win32.HKEY

core/os/os_darwin.odin

@@ -1226,7 +1226,8 @@ _processor_core_count :: proc() -> int {
 }
 
 @(private, require_results)
-_alloc_command_line_arguments :: proc() -> []string {
+_alloc_command_line_arguments :: proc "contextless" () -> []string {
+	context = runtime.default_context()
 	res := make([]string, len(runtime.args__))
 	for _, i in res {
 		res[i] = string(runtime.args__[i])
@@ -1235,7 +1236,8 @@ _alloc_command_line_arguments :: proc() -> []string {
 }
 
 @(private, fini)
-_delete_command_line_arguments :: proc() {
+_delete_command_line_arguments :: proc "contextless" () {
+	context = runtime.default_context()
 	delete(args)
 }
 

core/os/os_freebsd.odin

@@ -965,7 +965,8 @@ _processor_core_count :: proc() -> int {
 
 
 @(private, require_results)
-_alloc_command_line_arguments :: proc() -> []string {
+_alloc_command_line_arguments :: proc "contextless" () -> []string {
+	context = runtime.default_context()
 	res := make([]string, len(runtime.args__))
 	for _, i in res {
 		res[i] = string(runtime.args__[i])
@@ -974,6 +975,7 @@ _alloc_command_line_arguments :: proc() -> []string {
 }
 
 @(private, fini)
-_delete_command_line_arguments :: proc() {
+_delete_command_line_arguments :: proc "contextless" () {
+	context = runtime.default_context()
 	delete(args)
 }

core/os/os_haiku.odin

@@ -317,7 +317,8 @@ file_size :: proc(fd: Handle) -> (i64, Error) {
 args := _alloc_command_line_arguments()
 
 @(private, require_results)
-_alloc_command_line_arguments :: proc() -> []string {
+_alloc_command_line_arguments :: proc "contextless" () -> []string {
+	context = runtime.default_context()
 	res := make([]string, len(runtime.args__))
 	for arg, i in runtime.args__ {
 		res[i] = string(arg)
@@ -326,7 +327,8 @@ _alloc_command_line_arguments :: proc() -> []string {
 }
 
 @(private, fini)
-_delete_command_line_arguments :: proc() {
+_delete_command_line_arguments :: proc "contextless" () {
+	context = runtime.default_context()
 	delete(args)
 }
 

core/os/os_linux.odin

@@ -1098,7 +1098,8 @@ _processor_core_count :: proc() -> int {
 }
 
 @(private, require_results)
-_alloc_command_line_arguments :: proc() -> []string {
+_alloc_command_line_arguments :: proc "contextless" () -> []string {
+	context = runtime.default_context()
 	res := make([]string, len(runtime.args__))
 	for _, i in  res {
 		res[i] = string(runtime.args__[i])
@@ -1107,7 +1108,8 @@ _alloc_command_line_arguments :: proc() -> []string {
 }
 
 @(private, fini)
-_delete_command_line_arguments :: proc() {
+_delete_command_line_arguments :: proc "contextless" () {
+	context = runtime.default_context()
 	delete(args)
 }
 

core/os/os_netbsd.odin

@@ -1015,7 +1015,8 @@ _processor_core_count :: proc() -> int {
 }
 
 @(private, require_results)
-_alloc_command_line_arguments :: proc() -> []string {
+_alloc_command_line_arguments :: proc "contextless" () -> []string {
+	context = runtime.default_context()
 	res := make([]string, len(runtime.args__))
 	for _, i in res {
 		res[i] = string(runtime.args__[i])
@@ -1024,6 +1025,7 @@ _alloc_command_line_arguments :: proc() -> []string {
 }
 
 @(private, fini)
-_delete_command_line_arguments :: proc() {
+_delete_command_line_arguments :: proc "contextless" () {
+	context = runtime.default_context()
 	delete(args)
 }

core/os/os_openbsd.odin

@@ -915,7 +915,8 @@ _processor_core_count :: proc() -> int {
 }
 
 @(private, require_results)
-_alloc_command_line_arguments :: proc() -> []string {
+_alloc_command_line_arguments :: proc "contextless" () -> []string {
+	context = runtime.default_context()
 	res := make([]string, len(runtime.args__))
 	for _, i in res {
 		res[i] = string(runtime.args__[i])
@@ -924,6 +925,7 @@ _alloc_command_line_arguments :: proc() -> []string {
 }
 
 @(private, fini)
-_delete_command_line_arguments :: proc() {
+_delete_command_line_arguments :: proc "contextless" () {
+	context = runtime.default_context()
 	delete(args)
 }

core/os/os_wasi.odin

@@ -28,16 +28,18 @@ stderr: Handle = 2
 args := _alloc_command_line_arguments()
 
 @(private, require_results)
-_alloc_command_line_arguments :: proc() -> (args: []string) {
-	args = make([]string, len(runtime.args__))
+_alloc_command_line_arguments :: proc "contextless" () -> []string {
+	context = runtime.default_context()
+	args := make([]string, len(runtime.args__))
 	for &arg, i in args {
 		arg = string(runtime.args__[i])
 	}
-	return
+	return args
 }
 
 @(private, fini)
-_delete_command_line_arguments :: proc() {
+_delete_command_line_arguments :: proc "contextless" () {
+	context = runtime.default_context()
 	delete(args)
 }
 

core/os/os_windows.odin

@@ -194,7 +194,8 @@ current_thread_id :: proc "contextless" () -> int {
 
 
 @(private, require_results)
-_alloc_command_line_arguments :: proc() -> []string {
+_alloc_command_line_arguments :: proc "contextless" () -> []string {
+	context = runtime.default_context()
 	arg_count: i32
 	arg_list_ptr := win32.CommandLineToArgvW(win32.GetCommandLineW(), &arg_count)
 	arg_list := make([]string, int(arg_count))
@@ -216,7 +217,8 @@ _alloc_command_line_arguments :: proc() -> []string {
 }
 
 @(private, fini)
-_delete_command_line_arguments :: proc() {
+_delete_command_line_arguments :: proc "contextless" () {
+	context = runtime.default_context()
 	for s in args {
 		delete(s)
 	}

core/sys/info/cpu_intel.odin

@@ -52,7 +52,7 @@ CPU :: struct {
 cpu: CPU
 
 @(init, private)
-init_cpu_features :: proc "c" () {
+init_cpu_features :: proc "contextless" () {
 	is_set :: #force_inline proc "c" (bit: u32, value: u32) -> bool {
 		return (value>>bit) & 0x1 != 0
 	}
@@ -156,7 +156,7 @@ init_cpu_features :: proc "c" () {
 _cpu_name_buf: [72]u8
 
 @(init, private)
-init_cpu_name :: proc "c" () {
+init_cpu_name :: proc "contextless" () {
 	number_of_extended_ids, _, _, _ := cpuid(0x8000_0000, 0)
 	if number_of_extended_ids < 0x8000_0004 {
 		return

core/sys/info/cpu_linux_arm.odin

@@ -2,11 +2,13 @@
 #+build linux
 package sysinfo
 
+import "base:runtime"
 import "core:sys/linux"
 import "core:strings"
 
 @(init, private)
-init_cpu_features :: proc() {
+init_cpu_features :: proc "contextless" () {
+	context = runtime.default_context()
 	fd, err := linux.open("/proc/cpuinfo", {})
 	if err != .NONE { return }
 	defer linux.close(fd)

core/sys/info/cpu_linux_intel.odin

@@ -2,12 +2,15 @@
 #+build linux
 package sysinfo
 
+import "base:runtime"
 import "core:sys/linux"
 import "core:strings"
 import "core:strconv"
 
 @(init, private)
-init_cpu_core_count :: proc() {
+init_cpu_core_count :: proc "contextless" () {
+	context = runtime.default_context()
+
 	fd, err := linux.open("/proc/cpuinfo", {})
 	if err != .NONE { return }
 	defer linux.close(fd)

core/sys/info/cpu_windows.odin

@@ -2,9 +2,12 @@ package sysinfo
 
 import sys "core:sys/windows"
 import "base:intrinsics"
+import "base:runtime"
 
 @(init, private)
-init_cpu_core_count :: proc() {
+init_cpu_core_count :: proc "contextless" () {
+	context = runtime.default_context()
+
 	infos: []sys.SYSTEM_LOGICAL_PROCESSOR_INFORMATION
 	defer delete(infos)
 

core/sys/info/platform_darwin.odin

@@ -1,5 +1,7 @@
 package sysinfo
 
+import "base:runtime"
+
 import    "core:strconv"
 import    "core:strings"
 import    "core:sys/unix"
@@ -9,7 +11,8 @@ import NS "core:sys/darwin/Foundation"
 version_string_buf: [1024]u8
 
 @(init, private)
-init_platform :: proc() {
+init_platform :: proc "contextless" () {
+	context = runtime.default_context()
 	ws :: strings.write_string
 	wi :: strings.write_int
 

core/sys/info/platform_linux.odin

@@ -1,6 +1,7 @@
 package sysinfo
 
 import "base:intrinsics"
+import "base:runtime"
 
 import "core:strconv"
 import "core:strings"
@@ -10,7 +11,9 @@ import "core:sys/linux"
 version_string_buf: [1024]u8
 
 @(init, private)
-init_os_version :: proc () {
+init_os_version :: proc "contextless" () {
+	context = runtime.default_context()
+
 	os_version.platform = .Linux
 
 	b := strings.builder_from_bytes(version_string_buf[:])
@@ -91,11 +94,11 @@ init_os_version :: proc () {
 }
 
 @(init, private)
-init_ram :: proc() {
+init_ram :: proc "contextless" () {
 	// Retrieve RAM info using `sysinfo`
 	sys_info: linux.Sys_Info
 	errno := linux.sysinfo(&sys_info)
-	assert(errno == .NONE, "Good luck to whoever's debugging this, something's seriously cucked up!")
+	assert_contextless(errno == .NONE, "Good luck to whoever's debugging this, something's seriously cucked up!")
 	ram = RAM{
 		total_ram  = int(sys_info.totalram)  * int(sys_info.mem_unit),
 		free_ram   = int(sys_info.freeram)   * int(sys_info.mem_unit),

core/sys/info/platform_windows.odin

@@ -12,7 +12,9 @@ import "base:runtime"
 version_string_buf: [1024]u8
 
 @(init, private)
-init_os_version :: proc () {
+init_os_version :: proc "contextless" () {
+	context = runtime.default_context()
+
 	/*
 		NOTE(Jeroen):
 			`GetVersionEx`  will return 6.2 for Windows 10 unless the program is manifested for Windows 10.
@@ -43,6 +45,7 @@ init_os_version :: proc () {
 	os_version.minor    = int(osvi.dwMinorVersion)
 	os_version.build[0] = int(osvi.dwBuildNumber)
 
+
 	b := strings.builder_from_bytes(version_string_buf[:])
 	strings.write_string(&b, "Windows ")
 
@@ -259,7 +262,7 @@ init_os_version :: proc () {
 }
 
 @(init, private)
-init_ram :: proc() {
+init_ram :: proc "contextless" () {
 	state: sys.MEMORYSTATUSEX
 
 	state.dwLength = size_of(state)
@@ -276,10 +279,11 @@ init_ram :: proc() {
 }
 
 @(init, private)
-init_gpu_info :: proc() {
-
+init_gpu_info :: proc "contextless" () {
 	GPU_INFO_BASE :: "SYSTEM\\ControlSet001\\Control\\Class\\{4d36e968-e325-11ce-bfc1-08002be10318}\\"
 
+	context = runtime.default_context()
+
 	gpu_list: [dynamic]GPU
 	gpu_index: int
 

core/sys/windows/util.odin

@@ -628,7 +628,7 @@ run_as_user :: proc(username, password, application, commandline: string, pi: ^P
 	}
 }
 
-ensure_winsock_initialized :: proc() {
+ensure_winsock_initialized :: proc "contextless" () {
 	@static gate := false
 	@static initted := false
 
@@ -644,7 +644,7 @@ ensure_winsock_initialized :: proc() {
 	unused_info: WSADATA
 	version_requested := WORD(2) << 8 | 2
 	res := WSAStartup(version_requested, &unused_info)
-	assert(res == 0, "unable to initialized Winsock2")
+	assert_contextless(res == 0, "unable to initialized Winsock2")
 
 	initted = true
 }

core/terminal/internal.odin

@@ -1,6 +1,7 @@
 #+private
 package terminal
 
+import "base:runtime"
 import "core:os"
 import "core:strings"
 
@@ -68,9 +69,11 @@ get_environment_color :: proc() -> Color_Depth {
 }
 
 @(init)
-init_terminal :: proc() {
+init_terminal :: proc "contextless" () {
 	_init_terminal()
 
+	context = runtime.default_context()
+
 	// We respect `NO_COLOR` specifically as a color-disabler but not as a
 	// blanket ban on any terminal manipulation codes, hence why this comes
 	// after `_init_terminal` which will allow Windows to enable Virtual
@@ -81,6 +84,6 @@ init_terminal :: proc() {
 }
 
 @(fini)
-fini_terminal :: proc() {
+fini_terminal :: proc "contextless" () {
 	_fini_terminal()
 }

core/terminal/terminal_js.odin

@@ -4,12 +4,12 @@ package terminal
 
 import "core:os"
 
-_is_terminal :: proc(handle: os.Handle) -> bool {
+_is_terminal :: proc "contextless" (handle: os.Handle) -> bool {
 	return true
 }
 
-_init_terminal :: proc() {
+_init_terminal :: proc "contextless" () {
 	color_depth = .None
 }
 
-_fini_terminal :: proc() { }
+_fini_terminal :: proc "contextless" () { }

core/terminal/terminal_posix.odin

@@ -2,15 +2,17 @@
 #+build linux, darwin, netbsd, openbsd, freebsd, haiku
 package terminal
 
+import "base:runtime"
 import "core:os"
 import "core:sys/posix"
 
-_is_terminal :: proc(handle: os.Handle) -> bool {
+_is_terminal :: proc "contextless" (handle: os.Handle) -> bool {
 	return bool(posix.isatty(posix.FD(handle)))
 }
 
-_init_terminal :: proc() {
+_init_terminal :: proc "contextless" () {
+	context = runtime.default_context()
 	color_depth = get_environment_color()
 }
 
-_fini_terminal :: proc() { }
+_fini_terminal :: proc "contextless" () { }

core/terminal/terminal_windows.odin

@@ -1,10 +1,11 @@
 #+private
 package terminal
 
+import "base:runtime"
 import "core:os"
 import "core:sys/windows"
 
-_is_terminal :: proc(handle: os.Handle) -> bool {
+_is_terminal :: proc "contextless" (handle: os.Handle) -> bool {
 	is_tty := windows.GetFileType(windows.HANDLE(handle)) == windows.FILE_TYPE_CHAR
 	return is_tty
 }
@@ -18,7 +19,7 @@ old_modes: [2]struct{
 }
 
 @(init)
-_init_terminal :: proc() {
+_init_terminal :: proc "contextless" () {
 	vtp_enabled: bool
 
 	for &v in old_modes {
@@ -42,13 +43,15 @@ _init_terminal :: proc() {
 		// This color depth is available on Windows 10 since build 10586.
 		color_depth = .Four_Bit
 	} else {
+		context = runtime.default_context()
+
 		// The user may be on a non-default terminal emulator.
 		color_depth = get_environment_color()
 	}
 }
 
 @(fini)
-_fini_terminal :: proc() {
+_fini_terminal :: proc "contextless" () {
 	for v in old_modes {
 		handle := windows.GetStdHandle(v.handle)
 		if handle == windows.INVALID_HANDLE || handle == nil {

src/checker.cpp

@@ -2675,6 +2675,10 @@ gb_internal void generate_minimum_dependency_set_internal(Checker *c, Entity *st
 					is_init = false;
 				}
 
+				if (t->Proc.calling_convention != ProcCC_Contextless) {
+					error(e->token, "@(init) procedures must be declared as \"contextless\"");
+				}
+
 				if ((e->scope->flags & (ScopeFlag_File|ScopeFlag_Pkg)) == 0) {
 					error(e->token, "@(init) procedures must be declared at the file scope");
 					is_init = false;
@@ -2689,6 +2693,7 @@ gb_internal void generate_minimum_dependency_set_internal(Checker *c, Entity *st
 					error(e->token, "An @(init) procedure must not use a blank identifier as its name");
 				}
 
+
 				if (is_init) {
 					add_dependency_to_set(c, e);
 					array_add(&c->info.init_procedures, e);
@@ -2706,6 +2711,10 @@ gb_internal void generate_minimum_dependency_set_internal(Checker *c, Entity *st
 					is_fini = false;
 				}
 
+				if (t->Proc.calling_convention != ProcCC_Contextless) {
+					error(e->token, "@(fini) procedures must be declared as \"contextless\"");
+				}
+
 				if ((e->scope->flags & (ScopeFlag_File|ScopeFlag_Pkg)) == 0) {
 					error(e->token, "@(fini) procedures must be declared at the file scope");
 					is_fini = false;

vendor/miniaudio/common.odin

@@ -25,7 +25,7 @@ BINDINGS_VERSION          :: [3]u32{BINDINGS_VERSION_MAJOR, BINDINGS_VERSION_MIN
 BINDINGS_VERSION_STRING   :: "0.11.22"
 
 @(init)
-version_check :: proc() {
+version_check :: proc "contextless" () {
 	v: [3]u32
 	version(&v.x, &v.y, &v.z)
 	if v != BINDINGS_VERSION {
@@ -43,7 +43,7 @@ version_check :: proc() {
 			n += copy(buf[n:], "and executing `make`")
 		}
 
-		panic(string(buf[:n]))
+		panic_contextless(string(buf[:n]))
 	}
 }