We need to look into Pth to find a portable way for finding the used values for
Werner Koch <firstname.lastname@example.org> added the comment:
--with=fdsetsize and use that as an upper limit.
Do you happen to know what sycconf (_SC_OPEN_MAX) returns on AIX? The current
code only uses sysconf if getrlimit failed. This seems to be the wrong
approach; I think using the minimum of values is better.