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Date: Wed, 14 Oct 2020 16:29:39 +0300
From: Cyrill Gorcunov <gorcunov@gmail.com>
Message-ID: <20201014132939.GA173841@grain>
References: <cover.1602631481.git.v.shpilevoy@tarantool.org>
 <f903a2b8f33583e7567e4f374da241e1c2cfe77b.1602631481.git.v.shpilevoy@tarantool.org>
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In-Reply-To: <f903a2b8f33583e7567e4f374da241e1c2cfe77b.1602631481.git.v.shpilevoy@tarantool.org>
Subject: Re: [Tarantool-patches] [PATCH 2/6] raft: factor out the code to
 wakeup worker fiber
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To: Vladislav Shpilevoy <v.shpilevoy@tarantool.org>
Cc: tarantool-patches@dev.tarantool.org

On Wed, Oct 14, 2020 at 01:28:28AM +0200, Vladislav Shpilevoy wrote:
> -raft_schedule_broadcast(void)
> +raft_worker_wakeup(void)
>  {
> -	raft.is_broadcast_scheduled = true;
> +	if (raft.worker == NULL) {
> +		raft.worker = fiber_new("raft_worker", raft_worker_f);
> +		fiber_set_joinable(raft.worker, true);
> +	}

When fiber_new return NULL you'll get nil dereference in fiber_set_joinable.