Maintenance Ruby 3.3 gets fixes, but no new features. Switch to Ruby 4.0 →
class method
Process::UID.sid_available?
Process::UID.sid_available? → true or false
process.c
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static VALUE
p_uid_have_saved_id(VALUE _)
{
#if defined(HAVE_SETRESUID) || defined(HAVE_SETEUID) || defined(_POSIX_SAVED_IDS)
return Qtrue;
#else
return Qfalse;
#endif
}
Returns true if the current platform has saved user ID functionality.