A common problem is the desire to have an action run at a scheduled interval, but only if it is needed. For example, instead of having every web request result in a new getCurrentTime call, we’d like to have a single worker thread run every second, updating an IORef. However, if the request frequency is less than once per second, this is a pessimization, and worse, kills idle GC. This library allows you to define actions which will either be performed by a dedicated thread or, in times of low volume, will be executed by the calling thread.
13 lines
428 B
Makefile
13 lines
428 B
Makefile
# $NetBSD: buildlink3.mk,v 1.1 2021/05/05 12:13:42 pho Exp $
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BUILDLINK_TREE+= hs-auto-update
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.if !defined(HS_AUTO_UPDATE_BUILDLINK3_MK)
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HS_AUTO_UPDATE_BUILDLINK3_MK:=
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BUILDLINK_API_DEPENDS.hs-auto-update+= hs-auto-update>=0.1.6
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BUILDLINK_ABI_DEPENDS.hs-auto-update+= hs-auto-update>=0.1.6
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BUILDLINK_PKGSRCDIR.hs-auto-update?= ../../devel/hs-auto-update
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.endif # HS_AUTO_UPDATE_BUILDLINK3_MK
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BUILDLINK_TREE+= -hs-auto-update
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