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From 0ace07115f14a57c81afbc9a7e947778a743870e Mon Sep 17 00:00:00 2001
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From: Lennart Poettering <lennart@poettering.net>
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Date: Fri, 29 Apr 2016 11:18:53 +0200
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Subject: [PATCH] core: rerun GC logic for a unit that loses a reference
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Let's make sure when we drop a reference to a unit, that we run the GC queue on
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it again.
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This (together with the previous commit) should deal with the GC issues pointed
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out in:
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https://github.com/systemd/systemd/pull/2993#issuecomment-215331189
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(cherry picked from commit b75102e5bf4cf249052d42be955d403e3e03b47c)
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Related: #1718953
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---
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src/core/unit.c | 4 ++++
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1 file changed, 4 insertions(+)
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diff --git a/src/core/unit.c b/src/core/unit.c
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index 1dff541ac3..b004aa8fcd 100644
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--- a/src/core/unit.c
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+++ b/src/core/unit.c
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@@ -3145,6 +3145,10 @@ void unit_ref_unset(UnitRef *ref) {
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if (!ref->unit)
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return;
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+ /* We are about to drop a reference to the unit, make sure the garbage collection has a look at it as it might
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+ * be unreferenced now. */
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+ unit_add_to_gc_queue(ref->unit);
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+
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LIST_REMOVE(refs, ref->unit->refs, ref);
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ref->unit = NULL;
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}
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