4.104.114.84.95
Last change
on this file since 95fbca1 was
4cc631db,
checked in by Joel Sherrill <joel.sherrill@…>, on 08/11/95 at 14:33:04
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Added functions to access the errno of the native system when using the
newlib C library.
Fixed bug where length did not take into account amount added
for alignment requirements.
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-
Property mode set to
100644
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File size:
951 bytes
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1 | /* |
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2 | * Routines to access a host errno |
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3 | * |
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4 | * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. |
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5 | * On-Line Applications Research Corporation (OAR). |
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6 | * All rights assigned to U.S. Government, 1994. |
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7 | * |
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8 | * This material may be reproduced by or for the U.S. Government pursuant |
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9 | * to the copyright license under the clause at DFARS 252.227-7013. This |
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10 | * notice must appear in all copies of this file and its derivatives. |
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11 | * |
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12 | */ |
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13 | |
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14 | #include <rtems.h> |
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15 | #include <errno.h> |
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16 | |
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17 | int host_errno(void); |
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18 | |
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19 | /* |
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20 | * copy host errno, if any to thread aware errno, if any |
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21 | */ |
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22 | |
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23 | void fix_syscall_errno(void) |
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24 | { |
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25 | errno = host_errno(); |
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26 | } |
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27 | |
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28 | /* |
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29 | * Get the host system errno, if any |
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30 | * When using newlib (or possibly other libc's) on top of UNIX |
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31 | * the errno returned by system calls may be unavailable due |
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32 | * to trickery of making errno thread aware. |
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33 | * This provides a kludge of getting at it. |
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34 | */ |
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35 | |
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36 | #undef errno |
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37 | extern int errno; |
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38 | int host_errno(void) |
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39 | { |
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40 | return errno; |
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41 | } |
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42 | |
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