117 lines
3.1 KiB
C
117 lines
3.1 KiB
C
/*
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Copyright (c) 2016-2020 Chung, Hyung-Hwan. All rights reserved.
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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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1. 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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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT 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 OF
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THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "sys-prv.h"
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int hio_sys_init (hio_t* hio)
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{
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int log_inited = 0;
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int mux_inited = 0;
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int time_inited = 0;
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hio->sysdep = (hio_sys_t*)hio_callocmem(hio, HIO_SIZEOF(*hio->sysdep));
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if (!hio->sysdep) return -1;
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if (hio->_features & HIO_FEATURE_LOG)
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{
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if (hio_sys_initlog(hio) <= -1) goto oops;
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log_inited = 1;
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}
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if (hio->_features & HIO_FEATURE_MUX)
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{
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if (hio_sys_initmux(hio) <= -1) goto oops;
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mux_inited = 1;
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}
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if (hio_sys_inittime(hio) <= -1) goto oops;
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time_inited = 1;
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return 0;
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oops:
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if (time_inited) hio_sys_finitime (hio);
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if (mux_inited) hio_sys_finimux (hio);
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if (log_inited) hio_sys_finilog (hio);
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if (hio->sysdep)
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{
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hio_freemem (hio, hio->sysdep);
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hio->sysdep = HIO_NULL;
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}
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return -1;
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}
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void hio_sys_fini (hio_t* hio)
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{
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hio_sys_finitime (hio);
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if (hio->_features & HIO_FEATURE_MUX) hio_sys_finimux (hio);
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if (hio->_features & HIO_FEATURE_LOG) hio_sys_finilog (hio);
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hio_freemem (hio, hio->sysdep);
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hio->sysdep = HIO_NULL;
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}
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/* TODO: migrate these functions */
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#include <fcntl.h>
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#include <errno.h>
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int hio_makesyshndasync (hio_t* hio, hio_syshnd_t hnd)
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{
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#if defined(F_GETFL) && defined(F_SETFL) && defined(O_NONBLOCK)
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int flags;
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if ((flags = fcntl(hnd, F_GETFL, 0)) <= -1 ||
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fcntl(hnd, F_SETFL, flags | O_NONBLOCK) <= -1)
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{
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hio_seterrwithsyserr (hio, 0, errno);
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return -1;
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}
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return 0;
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#else
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hio_seterrnum (hio, HIO_ENOIMPL);
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return -1;
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#endif
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}
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int hio_makesyshndcloexec (hio_t* hio, hio_syshnd_t hnd)
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{
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#if defined(F_GETFL) && defined(F_SETFL) && defined(FD_CLOEXEC)
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int flags;
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if ((flags = fcntl(hnd, F_GETFD, 0)) <= -1 ||
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fcntl(hnd, F_SETFD, flags | FD_CLOEXEC) <= -1)
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{
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hio_seterrwithsyserr (hio, 0, errno);
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return -1;
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}
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return 0;
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#else
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hio_seterrnum (hio, HIO_ENOIMPL);
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return -1;
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#endif
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}
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