mirror of
https://gitlab.rtems.org/rtems/rtos/rtems.git
synced 2026-08-29 01:06:15 +08:00
Joel Sherrill
73f6236bc0
IO handlers scheme that was implemented originally just to support sockets. The file system IO switch is more general and works fine.
39 lines
802 B
C
39 lines
802 B
C
/*
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* fsync() - POSIX 1003.1b 6.6.1 - Synchronize the State of a File
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*
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* COPYRIGHT (c) 1989-1998.
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* On-Line Applications Research Corporation (OAR).
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* Copyright assigned to U.S. Government, 1994.
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.OARcorp.com/rtems/license.html.
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*
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* $Id$
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*/
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#include <unistd.h>
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#include "libio_.h"
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int fsync(
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int fd
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)
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{
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rtems_libio_t *iop;
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rtems_libio_check_fd( fd );
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iop = rtems_libio_iop( fd );
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rtems_libio_check_is_open(iop);
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rtems_libio_check_permissions( iop, LIBIO_FLAGS_WRITE );
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/*
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* Now process the fsync().
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*/
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if ( !iop->handlers->fsync )
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set_errno_and_return_minus_one( ENOTSUP );
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return (*iop->handlers->fsync)( iop );
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}
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