Re: [RFC PATCH glibc v2 26/34] hurd: Remove __hurd_local_reply_port

[Samuel Thibault]

Sergey Bugaev, le sam. 15 avril 2023 10:34:46 +0300, a ecrit:
> If you really want to deallocate and reset the current reply port, you
> need to do the dance like sigreturn does:
> 
> mach_port_t reply_port = THREAD_GETMEM (THREAD_SELF, reply_port);
> THREAD_SETMEM (THREAD_SELF, MACH_PORT_DEAD);
> (void) __mach_port_mod_refs (... reply_port ...);
> THREAD_SETMEM (THREAD_SELF, MACH_PORT_NULL);

Ok.

> Maybe there should be a build step that checks that nothing unexpected
> gets pulled in, and that nothing system-dependent is ever accessed
> other than through dl-sysdep.

That can be best, yes.

Samuel