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impl. register_finalizer, force_collect (#248)

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This commit is contained in:
Yutaka HARA
2023-05-14 16:12:16 +09:00
committed by GitHub
parent d7521be32f
commit 59fe9dfa47
1 changed files with 20 additions and 0 deletions
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20
src/lib.rs
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@@ -26,6 +26,14 @@ extern "C" {
fn GC_register_my_thread(stack_base: *const GcStackBase) -> c_int;
fn GC_set_stackbottom(thread: *const c_void, stack_bottom: *const GcStackBase);
fn GC_unregister_my_thread();
fn GC_gcollect();
fn GC_register_finalizer(
obj: *const c_void,
f: extern "C" fn(*mut c_void, *mut c_void),
client_data: *const c_void,
opt_old_f: *const c_void,
opt_old_cd: *const c_void,
) -> *mut c_void;
}
pub struct Allocator;
@@ -70,6 +78,18 @@ impl Allocator {
pub unsafe fn unregister_current_thread() {
GC_unregister_my_thread()
}
pub fn force_collect() {
unsafe { GC_gcollect() }
}
pub unsafe fn register_finalizer(
obj: *const c_void,
f: extern "C" fn(*mut c_void, *mut c_void),
client_data: *const c_void,
) {
GC_register_finalizer(obj, f, client_data, std::ptr::null(), std::ptr::null());
}
}
unsafe impl GlobalAlloc for Allocator {