/usr/share/doc/libapache2-mod-perl2-dev/examples/code/debug-modperl-init is in libapache2-mod-perl2-dev 2.0.8+httpd24-r1449661-6ubuntu2.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 | # This gdb startup script breaks at the modperl_hook_init() function,
# which is useful for debug things at the modperl init phase.
#
# Invoke as:
# gdb -command=.debug-modperl-init
#
# see ADJUST notes for things that may need to be adjusted
# ADJUST: the path to the httpd executable if needed
file ~/httpd/worker/bin/httpd
handle SIGPIPE nostop
handle SIGPIPE pass
set auto-solib-add 0
define myrun
tbreak main
break ap_run_pre_config
# ADJUST: the httpd.conf file's path if needed
# ADJUST: add -DPERL_USEITHREADS to debug threaded mpms
run -d `pwd`/t -f `pwd`/t/conf/httpd.conf -DONE_PROCESS -DAPACHE2
continue
end
define modperl_init
sharedlibrary mod_perl
b modperl_hook_init
continue
end
define sharedap
# ADJUST: uncomment next line to debug threaded mpms
#sharedlibrary libpthread
sharedlibrary apr
sharedlibrary aprutil
#sharedlibrary mod_ssl.so
continue
end
define sharedperl
sharedlibrary libperl
end
# start the server and run till modperl_hook_init on start
myrun
modperl_init
# ADJUST: uncomment to reach modperl_hook_init on restart
#continue
#continue
# ADJUST: uncomment if you need to step through the code in apr libs
#sharedap
# ADJUST: uncomment if you need to step through the code in perlib
#sharedperl
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