- output callstacks from crash using cdb debugger which is part
of "Debugging Tools for Windows". Output other interesting
information - function parameters, possibly source code fragment
and other goodies of "!analyze" cdb extension.
SIGABRT is sent to relevant processes after a timeout
client/mysqltest.cc:
Fixed signal handlers to mysqltest actually dumps core
mysql-test/lib/My/CoreDump.pm:
Added support for dbx
mysql-test/lib/My/SafeProcess.pm:
Added dump_core to force process to dump core
mysql-test/lib/My/SafeProcess/safe_process.cc:
Traps SIGABRT and sends this on to child
mysql-test/mysql-test-run.pl:
When test times out, force core dumps on mysqltest and servers
Post-push fixes making it work on pushbuild's valgrind host, and clarifying the output.
mysql-test/lib/My/CoreDump.pm:
- Improved parsing of mtr output so that it works on pushbuild's "valgrind" host.
- Added stack trace for the thread that coredumped, to make output more readable when there are many threads.
- Added explanation of what the output consists of.
- Added early removal of temp file.
