On Sat, Nov 11, 2023 at 02:24:31PM +0100, Willy Tarreau wrote: > Hello, > > On Sat, Nov 11, 2023 at 01:51:26PM +0100, York Jasper Niebuhr wrote: > > Adds a system call to flag a process' resources to be cleared on > > exit (or, in the case of memory, on free). Currently, only zeroing > > memory is implemented. > (...) > > IMHO it does not make sense to add a syscall for this, please have a > look at prctl(2) instead, which is already used for similar settings. Another reason to use prctl() is there are other cases when you'd want to zero a process's memory. For example, if the process gets killed to some kind of signal, or when it gets OOM killed (where there is no system call which forces the process to exit). Also, if you want to zero memory when the process exits, you'd want to zero the process memory on an exec(2). Cheers, - Ted
