z/OS V1R9.0 UNIX System Services Command ... - Christian Grothoff

dbx: readwritelock
readwritelock holder
6. To display all read/write lock objects without holders, enter:
mutex noholders
record subcommand for dbx: Append user’s commands to a file
Format
record filename
Description
The record subcommand appends the user’s command lines to the specified file
until a record command is entered with no parameters.
The record subcommand is started by specifying a file name on the record
command. A second record command with no parameters will stop the current
record process and close the file.
Usage notes
The record subcommand can be run only while the dbx debug program is running.
Examples
1. To start recording the dbx commands to file /tmp/mycmds, enter:
record /tmp/mycmds
2. To stop the previous recording to file /tmp/mycmds, enter:
record
Related Information
The source subcommand.
registers subcommand for dbx: Display the value of registers
Format
registers [>file]
Description
The registers subcommand displays the values of general-purpose registers,
system control registers, floating-point registers, and the current instruction register,
such as the program status word (PSW) for z/OS.
v General-purpose registers are denoted by the $rnumber variable, where the
number argument indicates the number of the register.
v Floating-point registers are denoted by the $frnumber variable. By default, the
floating-point registers are not displayed. To display the floating-point registers,
use the unset $noflregs dbx subcommand.
Option
>file Redirects output to the specified file.
Usage Note
The registers subcommand can be run only while the dbx debug program is
running.
Example
To display the registers, enter:
registers
212 z/OS V1R9.0 UNIX System Services Command Reference