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Diffstat (limited to 'Doc/library/pdb.rst')
| -rw-r--r-- | Doc/library/pdb.rst | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/Doc/library/pdb.rst b/Doc/library/pdb.rst index a0304edddf6..f4b51664545 100644 --- a/Doc/library/pdb.rst +++ b/Doc/library/pdb.rst @@ -80,7 +80,7 @@ The debugger's prompt is ``(Pdb)``, which is the indicator that you are in debug You can also invoke :mod:`pdb` from the command line to debug other scripts. For example:: - python -m pdb [-c command] (-m module | pyfile) [args ...] + python -m pdb [-c command] (-m module | -p pid | pyfile) [args ...] When invoked as a module, pdb will automatically enter post-mortem debugging if the program being debugged exits abnormally. After post-mortem debugging (or @@ -104,6 +104,24 @@ useful than quitting the debugger upon program's exit. .. versionchanged:: 3.7 Added the ``-m`` option. +.. option:: -p, --pid <pid> + + Attach to the process with the specified PID. + + .. versionadded:: 3.14 + + +To attach to a running Python process for remote debugging, use the ``-p`` or +``--pid`` option with the target process's PID:: + + python -m pdb -p 1234 + +.. note:: + + Attaching to a process that is blocked in a system call or waiting for I/O + will only work once the next bytecode instruction is executed or when the + process receives a signal. + Typical usage to execute a statement under control of the debugger is:: >>> import pdb |