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Sergey Lyubka 2021-08-28 11:16:45 +01:00
parent 0de83157dc
commit 7d91885413
1 changed files with 6 additions and 1 deletions
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docs/README.md
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@ -100,7 +100,12 @@ static void fn(struct mg_connection *c, int ev, void *ev_data, void *fn_data) {
described for each event. Protocol-specific events usually have `ev_data`
pointing to structures that hold protocol-specific information
- `void *fn_data` - a user-defined pointer for the connection, which is a
placeholder for application-specific data
placeholder for application-specific data. This `fn_data` pointer is set
during the `*_listen()` or `*_connect()` call, and it is stored in the
`c->fn_data`. Listening connections copy the value of `c->fn_data` to the
newly accepted connection, so all accepted connections initially share the
same `fn_data` pointer. It is fine to update/replace that pointer for
any connection at any time by setting `c->fn_data = new_value;`
## Events