Auto merge of #2777 - jjl:musl-malloc_usable_size, r=Amanieu

add malloc_usable_size for musl
rust-lang · May 5, 2022 · 78d6835 · 78d6835
2 parents 7b5afd2 + f5d7ab8
commit 78d6835
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/unix/linux_like/linux/musl/mod.rs b/src/unix/linux_like/linux/musl/mod.rs
@@ -751,6 +751,7 @@ extern "C" {
 
     pub fn memfd_create(name: *const ::c_char, flags: ::c_uint) -> ::c_int;
     pub fn mlock2(addr: *const ::c_void, len: ::size_t, flags: ::c_uint) -> ::c_int;
+    pub fn malloc_usable_size(ptr: *mut ::c_void) -> ::size_t;
 }
 
 cfg_if! {