94 lines
2.1 KiB
C
94 lines
2.1 KiB
C
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/***************************************************************************
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Copyright 2013 Intel Corporation. All Rights Reserved.
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the
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"Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sub license, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice (including the
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next paragraph) shall be included in all copies or substantial portions
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of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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IN NO EVENT SHALL INTEL, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
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DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
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THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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**************************************************************************/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <fcntl.h>
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#include <unistd.h>
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#include <misc.h> /* MAXCLIENTS */
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#include "fd.h"
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int fd_move_cloexec(int fd)
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{
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int newfd;
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newfd = fcntl(fd,
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#ifdef F_DUPFD_CLOEXEC
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F_DUPFD_CLOEXEC,
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#else
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F_DUPFD,
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#endif
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MAXCLIENTS);
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if (newfd < 0)
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return fd;
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#ifndef F_DUPFD_CLOEXEC
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newfd = fd_set_cloexec(newfd);
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#endif
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close(fd);
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return newfd;
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}
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int fd_set_cloexec(int fd)
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{
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int flags;
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if (fd == -1)
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return fd;
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#ifdef FD_CLOEXEC
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flags = fcntl(fd, F_GETFD);
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if (flags != -1) {
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flags |= FD_CLOEXEC;
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fcntl(fd, F_SETFD, flags);
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}
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#endif
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return fd;
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}
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int fd_set_nonblock(int fd)
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{
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int flags;
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if (fd == -1)
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return fd;
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flags = fcntl(fd, F_GETFL);
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if (flags != -1) {
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flags |= O_NONBLOCK;
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fcntl(fd, F_SETFL, flags);
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}
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return fd;
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}
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