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Re: libPQ -Canceling Blocking Calls - Mailing list pgsql-interfaces

From Tom Lane
Subject Re: libPQ -Canceling Blocking Calls
Date
Msg-id 14296.1215723927@sss.pgh.pa.us
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In response to libPQ -Canceling Blocking Calls  (Keary Suska <hierophant@pcisys.net>)
Responses Re: libPQ -Canceling Blocking Calls  (Keary Suska <hierophant@pcisys.net>)
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Keary Suska <hierophant@pcisys.net> writes:
> Is it possible to use PQcancel() to cancel a blocking call, such as a call
> to PQexec?

Sure.  Look at psql for an example.  You probably need to call PQcancel
from a signal handler, but there's a signal-safe variant for that.
        regards, tom lane

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