--- src/util.cc	2026-01-13 04:11:20.000000000 +0800
+++ src/util.cc	2026-01-13 10:54:45.000000000 +0800
@@ -1765,8 +1765,9 @@
 #endif
 
 #ifdef HAVE_DARWIN
+#ifdef MACH_TASK_BASIC_INFO
     struct mach_task_basic_info t_info;
-    mach_msg_type_number_t t_info_count = MACH_TASK_BASIC_INFO;
+    mach_msg_type_number_t t_info_count = MACH_TASK_BASIC_INFO_COUNT;
 
     if ( KERN_SUCCESS !=
          task_info(mach_task_self(), MACH_TASK_BASIC_INFO, reinterpret_cast<task_info_t>(&t_info), &t_info_count) )
@@ -1774,6 +1775,16 @@
     else
         ret_total = t_info.resident_size;
 #else
+    struct task_basic_info t_info;
+    mach_msg_type_number_t t_info_count = TASK_BASIC_INFO_COUNT;
+
+    if ( KERN_SUCCESS !=
+         task_info(mach_task_self(), TASK_BASIC_INFO, reinterpret_cast<task_info_t>(&t_info), &t_info_count) )
+        ret_total = 0;
+    else
+        ret_total = t_info.resident_size;
+#endif
+#else
     struct rusage r;
     getrusage(RUSAGE_SELF, &r);