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From 7419222d3811d60c0a8f5ea27778108a1ca8ee71 Mon Sep 17 00:00:00 2001
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From: Yu Watanabe <watanabe.yu+github@gmail.com>
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Date: Tue, 15 Jun 2021 00:51:33 +0900
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Subject: [PATCH] sd-event: use CMP() macro
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(cherry picked from commit 06e131477d82b83c5d516e66d6e413affd7c774a)
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Related: #1968528
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---
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src/libsystemd/sd-event/sd-event.c | 37 ++++++++++++++----------------
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1 file changed, 17 insertions(+), 20 deletions(-)
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diff --git a/src/libsystemd/sd-event/sd-event.c b/src/libsystemd/sd-event/sd-event.c
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index 2b0b76aa1c..6a20b658e4 100644
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--- a/src/libsystemd/sd-event/sd-event.c
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+++ b/src/libsystemd/sd-event/sd-event.c
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@@ -358,10 +358,9 @@ static int pending_prioq_compare(const void *a, const void *b) {
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assert(y->pending);
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/* Enabled ones first */
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- if (x->enabled != SD_EVENT_OFF && y->enabled == SD_EVENT_OFF)
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- return -1;
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- if (x->enabled == SD_EVENT_OFF && y->enabled != SD_EVENT_OFF)
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- return 1;
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+ r = CMP(x->enabled == SD_EVENT_OFF, y->enabled == SD_EVENT_OFF);
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+ if (r != 0)
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+ return r;
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/* Non rate-limited ones first. */
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r = CMP(!!x->ratelimited, !!y->ratelimited);
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@@ -385,10 +384,9 @@ static int prepare_prioq_compare(const void *a, const void *b) {
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assert(y->prepare);
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/* Enabled ones first */
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- if (x->enabled != SD_EVENT_OFF && y->enabled == SD_EVENT_OFF)
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- return -1;
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- if (x->enabled == SD_EVENT_OFF && y->enabled != SD_EVENT_OFF)
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- return 1;
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+ r = CMP(x->enabled == SD_EVENT_OFF, y->enabled == SD_EVENT_OFF);
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+ if (r != 0)
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+ return r;
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/* Non rate-limited ones first. */
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r = CMP(!!x->ratelimited, !!y->ratelimited);
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@@ -455,18 +453,17 @@ static bool event_source_timer_candidate(const sd_event_source *s) {
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static int time_prioq_compare(const void *a, const void *b, usec_t (*time_func)(const sd_event_source *s)) {
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const sd_event_source *x = a, *y = b;
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+ int r;
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/* Enabled ones first */
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- if (x->enabled != SD_EVENT_OFF && y->enabled == SD_EVENT_OFF)
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- return -1;
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- if (x->enabled == SD_EVENT_OFF && y->enabled != SD_EVENT_OFF)
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- return 1;
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+ r = CMP(x->enabled == SD_EVENT_OFF, y->enabled == SD_EVENT_OFF);
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+ if (r != 0)
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+ return r;
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/* Order "non-pending OR ratelimited" before "pending AND not-ratelimited" */
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- if (event_source_timer_candidate(x) && !event_source_timer_candidate(y))
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- return -1;
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- if (!event_source_timer_candidate(x) && event_source_timer_candidate(y))
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- return 1;
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+ r = CMP(!event_source_timer_candidate(x), !event_source_timer_candidate(y));
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+ if (r != 0)
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+ return r;
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/* Order by time */
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return CMP(time_func(x), time_func(y));
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@@ -482,15 +479,15 @@ static int latest_time_prioq_compare(const void *a, const void *b) {
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static int exit_prioq_compare(const void *a, const void *b) {
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const sd_event_source *x = a, *y = b;
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+ int r;
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assert(x->type == SOURCE_EXIT);
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assert(y->type == SOURCE_EXIT);
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/* Enabled ones first */
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- if (x->enabled != SD_EVENT_OFF && y->enabled == SD_EVENT_OFF)
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- return -1;
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- if (x->enabled == SD_EVENT_OFF && y->enabled != SD_EVENT_OFF)
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- return 1;
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+ r = CMP(x->enabled == SD_EVENT_OFF, y->enabled == SD_EVENT_OFF);
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+ if (r != 0)
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+ return r;
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/* Lower priority values first */
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if (x->priority < y->priority)
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