Move all cleanup to sys::cleanup

library/std/src/sys/hermit/mod.rs

@@ -102,7 +102,9 @@ pub unsafe fn init() {
 }
 
 // SAFETY: must be called only once during runtime cleanup.
-pub unsafe fn cleanup() {}
+pub unsafe fn cleanup() {
+    args::cleanup();
+}
 
 #[cfg(not(test))]
 #[no_mangle]

library/std/src/sys/hermit/stack_overflow.rs

@@ -1,5 +1,2 @@
 #[inline]
 pub unsafe fn init() {}
-
-#[inline]
-pub unsafe fn cleanup() {}

library/std/src/sys/sgx/args.rs

@@ -22,8 +22,6 @@ pub unsafe fn init(argc: isize, argv: *const *const u8) {
     }
 }
 
-pub unsafe fn cleanup() {}
-
 pub fn args() -> Args {
     let args = unsafe { (ARGS.load(Ordering::Relaxed) as *const ArgsStore).as_ref() };
     if let Some(args) = args { Args(args.iter()) } else { Args([].iter()) }

library/std/src/sys/sgx/stack_overflow.rs

@@ -1,4 +1,2 @@
 #[cfg_attr(test, allow(dead_code))]
 pub unsafe fn init() {}
-
-pub unsafe fn cleanup() {}

library/std/src/sys/unix/mod.rs

@@ -126,7 +126,10 @@ pub unsafe fn init() {
 }
 
 // SAFETY: must be called only once during runtime cleanup.
-pub unsafe fn cleanup() {}
+pub unsafe fn cleanup() {
+    args::cleanup();
+    stack_overflow::cleanup();
+}
 
 #[cfg(target_os = "android")]
 pub use crate::sys::android::signal;

library/std/src/sys/unsupported/args.rs

@@ -1,7 +1,6 @@
 use crate::ffi::OsString;
 
 pub unsafe fn init(_argc: isize, _argv: *const *const u8) {}
-pub unsafe fn cleanup() {}
 
 pub struct Args {}
 

library/std/src/sys/unsupported/stack_overflow.rs

@@ -1,3 +1 @@
 pub unsafe fn init() {}
-
-pub unsafe fn cleanup() {}

library/std/src/sys/wasi/args.rs

@@ -7,8 +7,6 @@ use crate::vec;
 
 pub unsafe fn init(_argc: isize, _argv: *const *const u8) {}
 
-pub unsafe fn cleanup() {}
-
 pub struct Args {
     iter: vec::IntoIter<OsString>,
     _dont_send_or_sync_me: PhantomData<*mut ()>,

library/std/src/sys/wasm/args.rs

@@ -6,8 +6,6 @@ pub unsafe fn init(_argc: isize, _argv: *const *const u8) {
     // On wasm these should always be null, so there's nothing for us to do here
 }
 
-pub unsafe fn cleanup() {}
-
 pub fn args() -> Args {
     Args { iter: Vec::new().into_iter(), _dont_send_or_sync_me: PhantomData }
 }

library/std/src/sys/windows/args.rs

@@ -16,8 +16,6 @@ use core::iter;
 
 pub unsafe fn init(_argc: isize, _argv: *const *const u8) {}
 
-pub unsafe fn cleanup() {}
-
 pub fn args() -> Args {
     unsafe {
         let lp_cmd_line = c::GetCommandLineW();

library/std/src/sys/windows/stack_overflow.rs

@@ -37,5 +37,3 @@ pub unsafe fn init() {
     // Set the thread stack guarantee for the main thread.
     let _h = Handler::new();
 }
-
-pub unsafe fn cleanup() {}

library/std/src/sys/windows/stack_overflow_uwp.rs

@@ -9,5 +9,3 @@ impl Handler {
 }
 
 pub unsafe fn init() {}
-
-pub unsafe fn cleanup() {}

library/std/src/sys_common/rt.rs

@@ -36,8 +36,6 @@ pub fn cleanup() {
     CLEANUP.call_once(|| unsafe {
         // SAFETY: Only called once during runtime cleanup.
         sys::cleanup();
-        sys::args::cleanup();
-        sys::stack_overflow::cleanup();
         // Flush stdout and disable buffering.
         crate::io::cleanup();
     });