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Implement minetest.ipc_poll()

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sfan5 2024-05-28 23:04:08 +02:00
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doc/lua_api.md
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@ -7077,6 +7077,15 @@ minetest.ipc_get("test:foo") -- returns an empty table
* `old_value`: value compared to using `==` (`nil` compares equal for non-existing keys)
* `new_value`: value that will be set
* returns: true on success, false otherwise
* `minetest.ipc_poll(key, timeout)`:
* Do a blocking wait until a value (other than `nil`) is present at the key.
* **IMPORTANT**: You usually don't need this function. Use this as a last resort
if nothing else can satisfy your use case! None of the Lua environments the
engine has are safe to block for extended periods, especially on the main
thread any delays directly translate to lag felt by players.
* `key`: as above
* `timeout`: maximum wait time, in milliseconds (positive values only)
* returns: true on success, false on timeout
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