Last change
on this file since 3398 was 2725, checked in by Bruno Cornec, 14 years ago |
- Update mindi-busybox to 1.18.3 to avoid problems with the tar command which is now failing on recent versions with busybox 1.7.3
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File size:
641 bytes
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1 | /* vi: set sw=4 ts=4: */
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2 | /*
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3 | * Utility routines.
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4 | *
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5 | * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
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6 | *
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7 | * Licensed under GPLv2 or later, see file LICENSE in this source tree.
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8 | */
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9 |
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10 | #include "libbb.h"
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11 |
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12 | /* try to open up the specified device */
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13 | int FAST_FUNC device_open(const char *device, int mode)
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14 | {
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15 | int m, f, fd;
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16 |
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17 | m = mode | O_NONBLOCK;
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18 |
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19 | /* Retry up to 5 times */
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20 | /* TODO: explain why it can't be considered insane */
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21 | for (f = 0; f < 5; f++) {
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22 | fd = open(device, m, 0600);
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23 | if (fd >= 0)
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24 | break;
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25 | }
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26 | if (fd < 0)
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27 | return fd;
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28 | /* Reset original flags. */
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29 | if (m != mode)
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30 | fcntl(fd, F_SETFL, mode);
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31 | return fd;
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32 | }
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