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Last change
on this file since 80 was 2, checked in by bird, 23 years ago |
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Initial revision
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Property cvs2svn:cvs-rev
set to
1.1
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Property svn:eol-style
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native
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Property svn:executable
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*
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File size:
842 bytes
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| 1 | /* You may need to adjust the definition of signal1 to supply a */
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| 2 | /* cast to the correct argument type. This detail is system- and */
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| 3 | /* compiler-dependent. The #define below assumes signal.h declares */
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| 4 | /* type SIG_PF for the signal function's second argument. */
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| 5 |
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| 6 | /* For some C++ compilers, "#define Sigarg_t ..." may be appropriate. */
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| 7 |
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| 8 | #include <signal.h>
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| 9 |
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| 10 | #ifndef Sigret_t
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| 11 | #define Sigret_t void
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| 12 | #endif
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| 13 | #ifndef Sigarg_t
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| 14 | #ifdef KR_headers
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| 15 | #define Sigarg_t
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| 16 | #else
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| 17 | #define Sigarg_t int
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| 18 | #endif
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| 19 | #endif /*Sigarg_t*/
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| 20 |
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| 21 | #ifdef USE_SIG_PF /* compile with -DUSE_SIG_PF under IRIX */
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| 22 | #define sig_pf SIG_PF
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| 23 | #else
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| 24 | typedef Sigret_t (*sig_pf)(Sigarg_t);
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| 25 | #endif
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| 26 |
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| 27 | #define signal1(a,b) signal(a,(sig_pf)b)
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| 28 |
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| 29 | #ifdef __cplusplus
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| 30 | #define Sigarg ...
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| 31 | #define Use_Sigarg
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| 32 | #else
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| 33 | #define Sigarg Int n
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| 34 | #define Use_Sigarg n = n /* shut up compiler warning */
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| 35 | #endif
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