Older musl doesn't have getrandom()

Author: josephlr

src/unix/linux_like/linux/gnu/mod.rs

@@ -967,6 +967,11 @@ extern {
                         tz: *mut ::timezone) -> ::c_int;
     pub fn statx(dirfd: ::c_int, pathname: *const c_char, flags: ::c_int,
                  mask: ::c_uint, statxbuf: *mut statx) -> ::c_int;
+    pub fn getrandom(
+        buf: *mut ::c_void,
+        buflen: ::size_t,
+        flags: ::c_uint,
+    ) -> ::ssize_t;
 }
 
 #[link(name = "util")]

src/unix/linux_like/linux/mod.rs

@@ -2666,11 +2666,6 @@ extern {
     pub fn inotify_add_watch(fd: ::c_int,
                              path: *const ::c_char,
                              mask: u32) -> ::c_int;
-    pub fn getrandom(
-        buf: *mut ::c_void,
-        buflen: ::size_t,
-        flags: ::c_uint,
-    ) -> ::ssize_t;
 }
 
 cfg_if! {