#27 test case for big txn and checkpoint blocking other commits
#27 test case for big txn and checkpoint blocking other commits
#27 bigtxn with checkpoints passes the bigtxn27 test
#27 rename the low priority multi operation checkpoint lock
#27 build on linux and osx
Refs Tokutek/ft-index#28 Add function to attach gdb to the running process and extract information.
Refs Tokutek/ft-index#28  Fix compile failure on systems that don't support PR_SET_PTRACER
Refs Tokutek/ft-index#28  Fix compile failure
Refs Tokutek/ft-index#28  Fix compile failure on machines without prctl
Refs Tokutek/ft-index#28  Use prctl (on any linux) even if it is too old for PR_SET_PTRACER.
Ignore any error caused by this
Merge branch 'master' into fastomt