| 1 | #ifndef __sigval_t_defined |
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| 2 | #define __sigval_t_defined |
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| 3 | |
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| 4 | #include <bits/types/__sigval_t.h> |
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| 5 | |
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| 6 | /* To avoid sigval_t (not a standard type name) having C++ name |
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| 7 | mangling depending on whether the selected standard includes union |
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| 8 | sigval, it should not be defined at all when using a standard for |
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| 9 | which the sigval name is not reserved; in that case, headers should |
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| 10 | not include <bits/types/sigval_t.h> and should use only the |
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| 11 | internal __sigval_t name. */ |
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| 12 | #ifndef __USE_POSIX199309 |
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| 13 | # error "sigval_t defined for standard not including union sigval" |
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| 14 | #endif |
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| 15 | |
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| 16 | typedef __sigval_t sigval_t; |
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| 17 | |
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| 18 | #endif |
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| 19 | |
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