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config.md: suggestions from teor

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Nick Mathewson 2019-11-21 08:26:12 -05:00
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src/lib/conf/config.md
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@ -48,12 +48,12 @@ usage, see crypto_options.inc or mainloop_state.inc.
After using those macros, you must tell the subsystem management
code about your module's configuration/state.
If you're writing configuration code, you'll need a function that
receives the configuration object, and acts upon it. This function
needs to be safe to call multiple times, since Tor will reconfigure
its subsystems whenever it, or whenever it restarts in process.
This function goes in your subsystem's subsys_fns_t.set_options
field.
If you're writing configuration code, you'll need a function that receives
the configuration object, and acts upon it. This function needs to be safe
to call multiple times, since Tor will reconfigure its subsystems whenever it
re-reads the torrc, gets a configuration change from a controller, or
restarts in process. This function goes in your subsystem's
subsys_fns_t.set_options field.
If you're writing state code, you'll need a function that receives
state (subsys_fns_t.set_state), and a function that flushes the
@ -89,10 +89,10 @@ subsystem manager code (subsysmgr.c) to pass the corresponding
configuration or state objects to each module that has one.
Note that the top level code does not have easy access to the
configuration objects used by the sub-modules. This is by design.
A module _may_ expose its configuration or state object, if it
likes, but if it does not, that object should be considered
module-local.
configuration objects used by the sub-modules. This is by design. A
module _may_ expose some or all of its configuration or state object via
accessor functions, if it likes, but if it does not, that object should
be considered module-local.
## Adding new types
@ -113,8 +113,8 @@ used with the macros in confdecl.h.
## Legacy configuration and state
As of this writing, most of the configuration and state is still
handled directly in config.c and statefile.c, and stored in the
As of this writing (November 2019), most of the configuration and state is
still handled directly in config.c and statefile.c, and stored in the
monolithic structures or_options_t and or_state_t respectively.
These top-level structures are accessed with get_options() and