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Update mg_broadcast.md

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Evelyn 2016-07-22 14:36:13 +01:00 committed by GitHub
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docs/c-api/net.h/mg_broadcast.md
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@ -6,14 +6,14 @@ signature: |
void mg_broadcast(struct mg_mgr *, mg_event_handler_t func, void *, size_t);
---
Pass a message of a given length to all connections.
Passes a message of a given length to all connections.
Must be called from a thread that does NOT call `mg_mgr_poll()`.
Note that `mg_broadcast()` is the only function
that can be, and must be, called from a different (non-IO) thread.
`func` callback function will be called by the IO thread for each
connection. When called, event would be `MG_EV_POLL`, and message will
be passed as `ev_data` pointer. Maximum message size is capped
connection. When called, the event will be `MG_EV_POLL`, and a message will
be passed as the `ev_data` pointer. Maximum message size is capped
by `MG_CTL_MSG_MESSAGE_SIZE` which is set to 8192 bytes.