annotate mod_debug_traceback/README.md @ 6514:668b1f0a4dc6

mod_c2s_limit_sessions: Fix check when it's the first connection Creation of the sessions[username] entry happens after the "pre-resource-bind" event, before the "resource-bind" event. Thus, for a users first connection, it may not exist. This led to an 'attempt to index a nil value' error, fixed here.
author Kim Alvefur <zash@zash.se>
date Wed, 08 Apr 2026 15:56:38 +0200
parents fe081789f7b5
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
4214
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
1 ---
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
2 labels:
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
3 - 'Stage-Alpha'
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
4 summary: Generate tracebacks on-demand
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
5 ---
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
6
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
7 # Introduction
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
8
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
9 This module writes out a traceback to a file when a chosen signal (by default
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
10 `SIGUSR1`) is received. It can be useful to diagnose cases where Prosody is
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
11 unresponsive.
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
12
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
13 # Configuration
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
14
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
15 `debug_traceback_filename`
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
16 : The name of the file to write the traceback to. Some variables
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
17 are supported, see [mod_log_ringbuffer] docs for more info. Defaults
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
18 to `{paths.data}/traceback-{pid}-{count}.log`.
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
19
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
20 `debug_traceback_signal`
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
21 : The name of the signal to listen for. Defaults to `SIGUSR1`.
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
22
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
23 # Compatibility
5841d54cb6c6 mod_debug_traceback: Descendent of mod_traceback with some additional features
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
24
5850
0358fcf14cd6 mod_debug_traceback: Remove direct POSIX signal handling, require Prosody 0.12+
Kim Alvefur <zash@zash.se>
parents: 4214
diff changeset
25 Prosody 0.12 or later.