Fix #1606 (Call `runtime._cleanup_runtime_contextless()` for `os.exit`)

core/os/os_darwin.odin

@@ -680,6 +680,7 @@ make_directory :: proc(path: string, mode: u32 = 0o775) -> Errno {
 }
 
 exit :: proc "contextless" (code: int) -> ! {
+	runtime._cleanup_runtime_contextless()
 	_unix_exit(i32(code))
 }
 

core/os/os_freebsd.odin

@@ -419,6 +419,7 @@ set_current_directory :: proc(path: string) -> (err: Errno) {
 }
 
 exit :: proc "contextless" (code: int) -> ! {
+	runtime._cleanup_runtime_contextless()
 	_unix_exit(c.int(code))
 }
 

core/os/os_linux.odin

@@ -802,6 +802,7 @@ set_current_directory :: proc(path: string) -> (err: Errno) {
 }
 
 exit :: proc "contextless" (code: int) -> ! {
+	runtime._cleanup_runtime_contextless()
 	_unix_exit(c.int(code))
 }
 

core/os/os_openbsd.odin

@@ -5,6 +5,7 @@ foreign import libc "system:c"
 import "core:runtime"
 import "core:strings"
 import "core:c"
+import "core:runtime"
 
 Handle    :: distinct i32
 Pid       :: distinct i32
@@ -658,6 +659,7 @@ set_current_directory :: proc(path: string) -> (err: Errno) {
 }
 
 exit :: proc "contextless" (code: int) -> ! {
+	runtime._cleanup_runtime_contextless()
 	_unix_exit(c.int(code))
 }
 

core/os/os_wasi.odin

@@ -1,6 +1,7 @@
 package os
 
 import "core:sys/wasm/wasi"
+import "core:runtime"
 
 Handle :: distinct i32
 Errno :: distinct i32
@@ -93,5 +94,6 @@ heap_free :: proc(ptr: rawptr) {
 
 
 exit :: proc "contextless" (code: int) -> ! {
+	runtime._cleanup_runtime_contextless()
 	wasi.proc_exit(wasi.exitcode_t(code))
 }

core/os/os_windows.odin

@@ -2,6 +2,7 @@
 package os
 
 import win32 "core:sys/windows"
+import "core:runtime"
 
 Handle    :: distinct uintptr
 File_Time :: distinct u64
@@ -128,6 +129,7 @@ get_page_size :: proc() -> int {
 
 
 exit :: proc "contextless" (code: int) -> ! {
+	runtime._cleanup_runtime_contextless()
 	win32.ExitProcess(win32.DWORD(code))
 }
 

core/runtime/core.odin

@@ -459,6 +459,11 @@ _cleanup_runtime :: proc() {
 	default_temp_allocator_destroy(&global_default_temp_allocator_data)
 }
 
+_cleanup_runtime_contextless :: proc "contextless" () {
+	context = default_context()
+	_cleanup_runtime()
+}
+
 
 /////////////////////////////
 /////////////////////////////