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Document poll(2) logic changes.

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See #1206, #1213
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michael-grunder 2023-07-25 10:38:00 -07:00
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README.md
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@ -23,6 +23,17 @@ Redis version >= 1.2.0.
The library comes with multiple APIs. There is the
*synchronous API*, the *asynchronous API* and the *reply parsing API*.
## Upgrading to > 1.2.0 (**PRERELEASE**)
* After v1.2.0 we modified how we invoke `poll(2)` to wait for connections to complete, such that we will now retry
the call if it is interrupted by a signal until:
a) The connection succeeds or fails.
b) The overall connection timeout is reached.
In previous versions, an interrupted `poll(2)` call would cause the connection to fail
with `c->err` set to `REDIS_ERR_IO` and `c->errstr` set to `poll(2): Interrupted system call`.
## Upgrading to `1.1.0`
Almost all users will simply need to recompile their applications against the newer version of hiredis.