m4_comment([$Id: linux.so,v 11.19 2004/10/18 20:10:41 bostic Exp $])m4_ref_title(Building m4_db for UNIX/POSIX systems,    Linux, @Linux, build_unix/irix, build_unix/macosx)m4_nlistbeginm4_nlist([dnlm4_bold([I can't compile and run multithreaded applications.])m4_p([dnlSpecial compile-time flags are required when compiling threadedapplications on Linux.  If you are compiling a threaded application, youmust compile with the _REENTRANT flag:])m4_indent([cc -D_REENTRANT ...])m4_p([dnlThe m4_db library will automatically build with the correct options.])])m4_nlist([dnlm4_bold([I see database corruption when accessing databases.])m4_p([dnlSome Linux filesystems do not support POSIX filesystem semantics.Specifically, ext2 and early releases of ReiserFS, and ext3 in someconfigurations, do not support "ordered data mode" and may insert randomdata into database or log files when systems crash.  m4_db files shouldnot be placed on a filesystem that does not support, or is notconfigured to support, POSIX semantics.])])m4_nlist([dnlm4_bold([What scheduler should I use?])m4_p([dnlIn some Linux kernels you can select schedulers, and the default is the"anticipatory" scheduler.  We recommend not using the "anticipatory"scheduler for transaction processing workloads.])])m4_nlistendm4_page_footer