[c9db0f5] | 1 | /** |
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| 2 | * @file |
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| 3 | * |
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| 4 | * @ingroup rtems_bsd_rtems |
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| 5 | * |
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| 6 | * @brief TODO. |
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| 7 | */ |
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| 8 | |
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| 9 | /* |
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| 10 | * Copyright (c) 2013 embedded brains GmbH. All rights reserved. |
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| 11 | * |
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| 12 | * embedded brains GmbH |
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| 13 | * Dornierstr. 4 |
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| 14 | * 82178 Puchheim |
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| 15 | * Germany |
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| 16 | * <rtems@embedded-brains.de> |
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| 17 | * |
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| 18 | * Redistribution and use in source and binary forms, with or without |
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| 19 | * modification, are permitted provided that the following conditions |
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| 20 | * are met: |
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| 21 | * 1. Redistributions of source code must retain the above copyright |
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| 22 | * notice, this list of conditions and the following disclaimer. |
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| 23 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 24 | * notice, this list of conditions and the following disclaimer in the |
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| 25 | * documentation and/or other materials provided with the distribution. |
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| 26 | * |
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| 27 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
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| 28 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 29 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 30 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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| 31 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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| 32 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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| 33 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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| 34 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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| 35 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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| 36 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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| 37 | * SUCH DAMAGE. |
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| 38 | */ |
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| 39 | |
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[f244de9] | 40 | #include <machine/rtems-bsd-kernel-space.h> |
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[c9db0f5] | 41 | |
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[9f87c45] | 42 | #include <sys/types.h> |
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[c9db0f5] | 43 | #include <sys/file.h> |
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| 44 | |
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| 45 | struct file * |
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| 46 | rtems_bsd_get_file(int fd) |
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| 47 | { |
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| 48 | struct file *fp; |
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| 49 | |
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| 50 | if ((uint32_t) fd < rtems_libio_number_iops) { |
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[894c965] | 51 | unsigned int flags; |
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| 52 | |
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[c9db0f5] | 53 | fp = rtems_bsd_fd_to_fp(fd); |
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[894c965] | 54 | flags = rtems_libio_iop_hold(&fp->f_io); |
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| 55 | |
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| 56 | if ((flags & LIBIO_FLAGS_OPEN) == 0) { |
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| 57 | rtems_libio_iop_drop(&fp->f_io); |
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[c9db0f5] | 58 | fp = NULL; |
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| 59 | } |
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| 60 | } else { |
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| 61 | fp = NULL; |
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| 62 | } |
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| 63 | |
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| 64 | return fp; |
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| 65 | } |
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