I've seen this done on Windows using CreateProcess, although I believe it wasn't specifically for anti-debugging purposes but instead a process that wanted to reinitialise itself from the beginning.
A far more effective actual anti-debugging technique is to have the parent become the debugger of the child, preventing any other debugger from attaching to it.
A far more effective actual anti-debugging technique is to have the parent become the debugger of the child, preventing any other debugger from attaching to it.