mirror of https://github.com/F-Stack/f-stack.git
68 lines
2.4 KiB
C
68 lines
2.4 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _FD_MAN_H_
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#define _FD_MAN_H_
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#include <stdint.h>
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#include <pthread.h>
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#define MAX_FDS 1024
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typedef void (*fd_cb)(int fd, void *dat, int *remove);
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struct fdentry {
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int fd; /* -1 indicates this entry is empty */
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fd_cb rcb; /* callback when this fd is readable. */
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fd_cb wcb; /* callback when this fd is writeable.*/
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void *dat; /* fd context */
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int busy; /* whether this entry is being used in cb. */
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};
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struct fdset {
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struct fdentry fd[MAX_FDS];
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pthread_mutex_t fd_mutex;
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int num; /* current fd number of this fdset */
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};
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void fdset_init(struct fdset *pfdset);
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int fdset_add(struct fdset *pfdset, int fd,
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fd_cb rcb, fd_cb wcb, void *dat);
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void *fdset_del(struct fdset *pfdset, int fd);
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void fdset_event_dispatch(struct fdset *pfdset);
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#endif
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