to: mac support

Author: CjiW

vm/src/libcwrap/mod.rs

@@ -98,7 +98,7 @@ impl LibC {
     }
 }
 
-#[cfg(not(target_os = "windows"))]
+#[cfg(target_os = "linux")]
 fn getrandom_inner(
     buf: *mut libc::c_void,
     buflen: libc::size_t,
@@ -107,6 +107,15 @@ fn getrandom_inner(
     unsafe { libc::syscall(libc::SYS_getrandom, buf, buflen, flags) as libc::ssize_t }
 }
 
+#[cfg(target_os = "macos")]
+fn getrandom_inner(
+    buf: *mut libc::c_void,
+    buflen: libc::size_t,
+    _flags: libc::c_uint,
+) -> libc::ssize_t {
+    unsafe { libc::getentropy(buf, buflen) as libc::ssize_t }
+}
+
 #[cfg(target_os = "windows")]
 fn getrandom_inner(
     buf: *mut libc::c_void,