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Rev | Author | Line No. | Line |
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5191 | serge | 1 | /* Version of sigsetmask.c |
2 | Written by Steve Chamberlain (sac@cygnus.com). |
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3 | Contributed by Cygnus Support. |
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4 | This file is in the public doamin. */ |
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5 | |||
6 | /* |
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7 | |||
8 | @deftypefn Supplemental int sigsetmask (int @var{set}) |
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9 | |||
10 | Sets the signal mask to the one provided in @var{set} and returns |
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11 | the old mask (which, for libiberty's implementation, will always |
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12 | be the value @code{1}). |
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13 | |||
14 | @end deftypefn |
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15 | |||
16 | */ |
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17 | |||
18 | #include |
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19 | /* Including |
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20 | #include |
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21 | #include |
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22 | |||
23 | extern void abort (void) ATTRIBUTE_NORETURN; |
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24 | |||
25 | #ifdef SIG_SETMASK |
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26 | int |
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27 | sigsetmask (int set) |
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28 | { |
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29 | sigset_t new_sig; |
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30 | sigset_t old_sig; |
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31 | |||
32 | sigemptyset (&new_sig); |
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33 | if (set != 0) { |
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34 | abort(); /* FIXME, we don't know how to translate old mask to new */ |
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35 | } |
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36 | sigprocmask(SIG_SETMASK, &new_sig, &old_sig); |
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37 | return 1; /* FIXME, we always return 1 as old value. */ |
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38 | } |
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39 | #endif |