* Alexey Dobriyan: > Some aren't -- PF_FORKNOEXEC. However it is silly for userspace to query it > because programs knows if it forked but didn't exec without external help.
Libraries typically lack that knowledge, and may have reasons to detect forks. But there are probably better ways than this flag, like a MADV_WIPEONFORK mapping, or comparing counters in MAP_PRIVATE and MAP_SHARED mappings.
