gdb-attach   [plain text]

#! /bin/bash

PROG=${PROG:-/usr/sbin/smbd}
GDBSCRIPT=/tmp/.$(basename $0).$$

cat > $GDBSCRIPT <<GDB
# USR1 is used for samba messaging, we rarely want to know about it
handle SIGUSR1 nostop
# TERM is used for exiting messaging, we rarely want to know about it
handle SIGTERM nostop

# Always break on malloc errors
break malloc_printf
break malloc_error_break

define errno
    print *(int*)__error()
end

document errno
Print the value of the global variable "errno".
end

define getegid
    print (gid_t)getegid()
end

define geteuid
    print (uid_t)geteuid()
end

document geteuid
Print the result of geteuid()
end

document getegid
Print the result of getegid()
end

GDB

trap "rm -f $GDBSCRIPT" 0 1 2 3 15
gdb -x $GDBSCRIPT $PROG "$@"