4.104.114.84.95
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1 | /* |
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2 | * fsync() - POSIX 1003.1b 6.6.1 - Synchronize the State of a File |
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3 | * |
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4 | * COPYRIGHT (c) 1989-1999. |
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5 | * On-Line Applications Research Corporation (OAR). |
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6 | * |
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7 | * The license and distribution terms for this file may be |
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8 | * found in the file LICENSE in this distribution or at |
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9 | * http://www.OARcorp.com/rtems/license.html. |
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10 | * |
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11 | * $Id$ |
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12 | */ |
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13 | |
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14 | #include <unistd.h> |
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15 | |
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16 | #include "libio_.h" |
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17 | |
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18 | int fsync( |
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19 | int fd |
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20 | ) |
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21 | { |
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22 | rtems_libio_t *iop; |
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23 | |
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24 | rtems_libio_check_fd( fd ); |
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25 | iop = rtems_libio_iop( fd ); |
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26 | rtems_libio_check_is_open(iop); |
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27 | rtems_libio_check_permissions( iop, LIBIO_FLAGS_WRITE ); |
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28 | |
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29 | /* |
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30 | * Now process the fsync(). |
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31 | */ |
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32 | |
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33 | if ( !iop->handlers->fsync ) |
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34 | set_errno_and_return_minus_one( ENOTSUP ); |
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35 | |
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36 | return (*iop->handlers->fsync)( iop ); |
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37 | } |
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