add malloc_usable_size for musl

jjl · jjl · commit f5d7ab8a8c8c · 2022-05-02T15:32:04.000+02:00
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! {

Original file line number	Diff line number	Diff line change
`@@ -751,6 +751,7 @@ extern "C" {`
`751`	`751`
`752`	`752`	`pub fn memfd_create(name: *const ::c_char, flags: ::c_uint) -> ::c_int;`
`753`	`753`	`pub fn mlock2(addr: *const ::c_void, len: ::size_t, flags: ::c_uint) -> ::c_int;`
	`754`	`+ pub fn malloc_usable_size(ptr: *mut ::c_void) -> ::size_t;`
`754`	`755`	`}`
`755`	`756`
`756`	`757`	`cfg_if! {`