tag
4 posts
Use FreeBSD minherit(2) to choose whether forked children share, copy, omit, or zero selected mappings, and test the consequences safely.
Use FreeBSD MAP_GUARD for explicit virtual-address reservations, then replace only ranges your process owns and release them with munmap.
Use Haiku POSIX mmap safely: separate file size from mapping length, coordinate truncation, avoid unsafe MAP_FIXED replacement, and unmap deliberately.
Separate filesystem DAX from device DAX, inspect the active S_DAX state, understand mount and inode policy, and avoid treating mmap access as a durability guarantee.