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https://gitlab.isc.org/isc-projects/bind9
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dc878e3098
when more than one event was scheduled in the isc_aysnc queue, they were executed in reverse order. we need to pull events off the back of queue instead the front, so that uv_loop will run them in the right order. note that isc_job_run() has the same behavior, because it calls uv_idle_start() directly. in that case we just document it so it'll be less surprising in the future.
60 lines
1.4 KiB
C
60 lines
1.4 KiB
C
/*
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* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
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*
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* SPDX-License-Identifier: MPL-2.0
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, you can obtain one at https://mozilla.org/MPL/2.0/.
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*
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* See the COPYRIGHT file distributed with this work for additional
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* information regarding copyright ownership.
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*/
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#include <stdlib.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <isc/async.h>
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#include <isc/atomic.h>
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#include <isc/barrier.h>
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#include <isc/condition.h>
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#include <isc/job.h>
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#include <isc/list.h>
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#include <isc/loop.h>
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#include <isc/magic.h>
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#include <isc/mem.h>
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#include <isc/mutex.h>
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#include <isc/refcount.h>
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#include <isc/result.h>
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#include <isc/signal.h>
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#include <isc/strerr.h>
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#include <isc/thread.h>
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#include <isc/util.h>
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#include <isc/uv.h>
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#include <isc/work.h>
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#include "job_p.h"
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#include "loop_p.h"
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void
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isc_async_run(isc_loop_t *loop, isc_job_cb cb, void *cbarg) {
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int r;
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isc_job_t *job = NULL;
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REQUIRE(VALID_LOOP(loop));
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REQUIRE(cb != NULL);
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job = isc__job_new(loop, cb, cbarg);
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/*
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* Now send the half-initialized job to the loop queue.
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*/
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LOCK(&loop->queue_lock);
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ISC_LIST_APPEND(loop->queue_jobs, job, link);
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UNLOCK(&loop->queue_lock);
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r = uv_async_send(&loop->queue_trigger);
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UV_RUNTIME_CHECK(uv_async_send, r);
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}
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