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Document that subsystem callbacks are optional.

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This commit is contained in:
Nick Mathewson 2018-11-09 10:58:20 -05:00
parent 4fe4bcf8a1
commit 61695e3d62
1 changed files with 5 additions and 1 deletions
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6
src/lib/subsys/subsys.h
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@ -14,7 +14,11 @@ struct dispatch_connector_t;
* A subsystem is a part of Tor that is initialized, shut down, configured, * A subsystem is a part of Tor that is initialized, shut down, configured,
* and connected to other parts of Tor. * and connected to other parts of Tor.
* *
* Subsystems * All callbacks are optional -- if a callback is set to NULL, the subsystem
* manager will treat it as a no-op.
*
* You should use c99 named-field initializers with this structure: we
* will be adding more fields, often in the middle of the structure.
**/ **/
typedef struct subsys_fns_t { typedef struct subsys_fns_t {
/** /**