4.104.114.84.95
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1 | /* |
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2 | * 3.3.3 Manipulate Signal Sets, P1003.1b-1993, p. 69 |
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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 | |
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15 | #include <pthread.h> |
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16 | #include <errno.h> |
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17 | |
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18 | #include <rtems/system.h> |
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19 | #include <rtems/posix/pthread.h> |
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20 | #include <rtems/posix/psignal.h> |
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21 | #include <rtems/posix/seterr.h> |
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22 | |
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23 | int sigismember( |
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24 | const sigset_t *set, |
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25 | int signo |
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26 | ) |
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27 | { |
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28 | if ( !set ) |
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29 | set_errno_and_return_minus_one( EINVAL ); |
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30 | |
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31 | if ( !signo ) |
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32 | return 0; |
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33 | |
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34 | if ( !is_valid_signo(signo) ) |
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35 | set_errno_and_return_minus_one( EINVAL ); |
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36 | |
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37 | if ( *set & signo_to_mask(signo) ) |
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38 | return 1; |
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39 | |
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40 | return 0; |
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41 | } |
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42 | |
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