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commit 48c2d30efef24270ea94fa133945b8ecd3a015e3
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Author: Tomas Korbar <tkorbar@redhat.com>
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Date: Wed May 20 15:28:10 2020 +0200
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Do not join lru and slab maintainer threads if they do not exist
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If no_modern option was supplied then these threads did not run
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but memcached still attempted to join them, which resulted in a
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segfault.
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resolve #685
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diff --git a/thread.c b/thread.c
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index f162d26..abbfca1 100644
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--- a/thread.c
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+++ b/thread.c
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@@ -226,12 +226,16 @@ void stop_threads(void) {
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stop_item_crawler_thread(CRAWLER_WAIT);
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if (settings.verbose > 0)
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fprintf(stderr, "stopped lru crawler\n");
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- stop_lru_maintainer_thread();
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- if (settings.verbose > 0)
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- fprintf(stderr, "stopped maintainer\n");
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- stop_slab_maintenance_thread();
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- if (settings.verbose > 0)
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- fprintf(stderr, "stopped slab mover\n");
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+ if (settings.lru_maintainer_thread) {
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+ stop_lru_maintainer_thread();
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+ if (settings.verbose > 0)
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+ fprintf(stderr, "stopped maintainer\n");
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+ }
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+ if (settings.slab_reassign) {
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+ stop_slab_maintenance_thread();
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+ if (settings.verbose > 0)
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+ fprintf(stderr, "stopped slab mover\n");
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+ }
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logger_stop();
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if (settings.verbose > 0)
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fprintf(stderr, "stopped logger thread\n");
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