Roland McGrath wrote: > In NPTL-supporting Linux kernels (2.6), I think we can just use the clone > syscall with CLONE_VFORK|CLONE_CHILD_SETTID. No. There is a reason why a vfork syscall was introduced. There aren't enough registers to use clone and hold the return address. -- â§ Ulrich Drepper â§ Red Hat, Inc. â§ 444 Castro St â§ Mountain View, CA â