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xiehan
beecf7caf4
* stddef.h is required by offsetof() Co-authored-by: XieHan <XieHan@sogou-inc.com>
104 lines
2.0 KiB
C
104 lines
2.0 KiB
C
/*
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Copyright (c) 2019 Sogou, Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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Author: Xie Han (xiehan@sogou-inc.com)
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*/
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#include <stddef.h>
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#include <stdlib.h>
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#include "poller.h"
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#include "mpoller.h"
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static int __mpoller_create(const struct poller_params *params,
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mpoller_t *mpoller)
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{
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unsigned int i;
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for (i = 0; i < mpoller->nthreads; i++)
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{
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mpoller->poller[i] = poller_create(params);
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if (!mpoller->poller[i])
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break;
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}
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if (i == mpoller->nthreads)
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return 0;
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while (i > 0)
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poller_destroy(mpoller->poller[--i]);
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return -1;
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}
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mpoller_t *mpoller_create(const struct poller_params *params, size_t nthreads)
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{
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mpoller_t *mpoller;
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size_t size;
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if (nthreads == 0)
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nthreads = 1;
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size = offsetof(mpoller_t, poller) + nthreads * sizeof (void *);
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mpoller = (mpoller_t *)malloc(size);
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if (mpoller)
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{
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mpoller->nthreads = (unsigned int)nthreads;
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if (__mpoller_create(params, mpoller) >= 0)
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return mpoller;
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free(mpoller);
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}
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return NULL;
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}
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int mpoller_start(mpoller_t *mpoller)
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{
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size_t i;
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for (i = 0; i < mpoller->nthreads; i++)
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{
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if (poller_start(mpoller->poller[i]) < 0)
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break;
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}
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if (i == mpoller->nthreads)
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return 0;
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while (i > 0)
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poller_stop(mpoller->poller[--i]);
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return -1;
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}
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void mpoller_stop(mpoller_t *mpoller)
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{
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size_t i;
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for (i = 0; i < mpoller->nthreads; i++)
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poller_stop(mpoller->poller[i]);
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}
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void mpoller_destroy(mpoller_t *mpoller)
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{
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size_t i;
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for (i = 0; i < mpoller->nthreads; i++)
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poller_destroy(mpoller->poller[i]);
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free(mpoller);
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}
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