Revision 18474,
931 bytes
checked in by ghudson, 21 years ago
(diff) |
This commit was generated by cvs2svn to compensate for changes in r18473,
which included commits to RCS files with non-trunk default branches.
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1 | /* Version of sigsetmask.c |
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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 | |
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6 | /* |
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7 | |
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8 | @deftypefn Supplemental int sigsetmask (int @var{set}) |
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9 | |
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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 | |
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14 | @end deftypefn |
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15 | |
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16 | */ |
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17 | |
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18 | #define _POSIX_SOURCE |
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19 | #include <ansidecl.h> |
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20 | /* Including <sys/types.h> seems to be needed by ISC. */ |
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21 | #include <sys/types.h> |
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22 | #include <signal.h> |
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23 | |
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24 | extern void abort PARAMS ((void)) ATTRIBUTE_NORETURN; |
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25 | |
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26 | #ifdef SIG_SETMASK |
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27 | int |
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28 | DEFUN(sigsetmask,(set), |
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29 | int set) |
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30 | { |
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31 | sigset_t new; |
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32 | sigset_t old; |
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33 | |
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34 | sigemptyset (&new); |
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35 | if (set != 0) { |
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36 | abort(); /* FIXME, we don't know how to translate old mask to new */ |
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37 | } |
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38 | sigprocmask(SIG_SETMASK, &new, &old); |
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39 | return 1; /* FIXME, we always return 1 as old value. */ |
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40 | } |
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41 | #endif |
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