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50 lines
1.9 KiB
50 lines
1.9 KiB
From 8c81776212d0aa44f5ae20635079bd6ce76d16ac Mon Sep 17 00:00:00 2001
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From: Daan De Meyer <daan.j.demeyer@gmail.com>
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Date: Tue, 19 Oct 2021 10:45:48 +0100
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Subject: [PATCH] core: Delay start rate limit check when starting a unit
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Doing start rate limit checks before doing condition checks made
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condition check failures count towards the start rate limit which
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broke existing assumptions (see #21025). Run the rate limit checks
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after the condition checks again to restore the previous behaviour.
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(cherry picked from commit ce2146f5256659c7fb53a7d5b9dc551252e27e7e)
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Related: #2065322
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---
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src/core/unit.c | 14 +++++++-------
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1 file changed, 7 insertions(+), 7 deletions(-)
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diff --git a/src/core/unit.c b/src/core/unit.c
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index 4fd9af87b7..b825e2418c 100644
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--- a/src/core/unit.c
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+++ b/src/core/unit.c
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@@ -1729,13 +1729,6 @@ int unit_start(Unit *u) {
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assert(u);
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- /* Check our ability to start early so that failure conditions don't cause us to enter a busy loop. */
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- if (UNIT_VTABLE(u)->can_start) {
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- r = UNIT_VTABLE(u)->can_start(u);
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- if (r < 0)
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- return r;
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- }
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-
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/* If this is already started, then this will succeed. Note that this will even succeed if this unit
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* is not startable by the user. This is relied on to detect when we need to wait for units and when
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* waiting is finished. */
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@@ -1790,6 +1783,13 @@ int unit_start(Unit *u) {
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return unit_start(following);
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}
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+ /* Check start rate limiting early so that failure conditions don't cause us to enter a busy loop. */
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+ if (UNIT_VTABLE(u)->can_start) {
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+ r = UNIT_VTABLE(u)->can_start(u);
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+ if (r < 0)
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+ return r;
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+ }
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+
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/* If it is stopped, but we cannot start it, then fail */
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if (!UNIT_VTABLE(u)->start)
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return -EBADR;
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