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Avoid __cxa_thread_atexit_impl on Emscripten #106779

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Merged
merged 2 commits into from
Jan 26, 2023
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Avoid __cxa_thread_atexit_impl on Emscripten #106779

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6155b9a
Avoid __cxa_thread_atexit_impl on Emscripten
RReverser Jan 12, 2023
a41c5f9
Re-add #[allow(unused)] attr
RReverser Jan 14, 2023
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11 changes: 3 additions & 8 deletions library/std/src/sys/unix/thread_local_dtor.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -11,13 +11,7 @@
// Note, however, that we run on lots older linuxes, as well as cross
// compiling from a newer linux to an older linux, so we also have a
// fallback implementation to use as well.
#[cfg(any(
target_os = "linux",
target_os = "fuchsia",
target_os = "redox",
target_os = "emscripten"
))]
#[cfg_attr(target_family = "wasm", allow(unused))] // might remain unused depending on target details (e.g. wasm32-unknown-emscripten)
#[cfg(any(target_os = "linux", target_os = "fuchsia", target_os = "redox"))]
pub unsafe fn register_dtor(t: *mut u8, dtor: unsafe extern "C" fn(*mut u8)) {
use crate::mem;
use crate::sys_common::thread_local_dtor::register_dtor_fallback;
Expand Down Expand Up @@ -94,7 +88,8 @@ pub unsafe fn register_dtor(t: *mut u8, dtor: unsafe extern "C" fn(*mut u8)) {
}
}

#[cfg(any(target_os = "vxworks", target_os = "horizon"))]
#[cfg(any(target_os = "vxworks", target_os = "horizon", target_os = "emscripten"))]
#[cfg_attr(target_family = "wasm", allow(unused))] // might remain unused depending on target details (e.g. wasm32-unknown-emscripten)
pub unsafe fn register_dtor(t: *mut u8, dtor: unsafe extern "C" fn(*mut u8)) {
use crate::sys_common::thread_local_dtor::register_dtor_fallback;
register_dtor_fallback(t, dtor);
Expand Down