use geteuid syscall as well

trapexit · Jun 23, 2014 · 3b6c748 · 3b6c748
1 parent f385f02
commit 3b6c748
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/src/ugid_linux.hpp b/src/ugid_linux.hpp
@@ -36,10 +36,10 @@ namespace mergerfs
       SetResetGuard(const uid_t _newuid,
                     const gid_t _newgid)
       {
-        olduid   = ::geteuid();
-        oldgid   = ::getegid();
-        newuid   = _newuid;
-        newgid   = _newgid;
+        olduid = ::syscall(SYS_geteuid);
+        oldgid = ::syscall(SYS_getegid);
+        newuid = _newuid;
+        newgid = _newgid;
 
         if(newgid != oldgid)
           ::syscall(SYS_setregid,-1,newgid);