defined. Automatically define this macro for OpenBSD and QNX. Other
systems are likely to be added to the disabled list over time.
FossilOrigin-Name: 8a4314a398c6c6efb25e6993c826b7e60d9bb1f9
existing limit if called with no arguments. Report the default mmap_limit
as part of PRAGMA compile_options. Set the default mmmap_limit to 0 for
all systems other than linux, mac, windows, and solaris.
FossilOrigin-Name: 2d9f1327fe79e40435ce1e2594d7cd9a5aea0ef2
used to issue a hint to the VFS to limit mmap space to N bytes. The VFS
is free to ignore that hint if desired. However, if "PRAGMA mmap_limit(0)"
is used, xFetch is never called.
FossilOrigin-Name: 1b37c4effdd03aa2ea938a71b4f22ed27391689b
