1998-02-01 09:37:08 +08:00
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/* You may need to adjust the definition of signal1 to supply a */
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/* cast to the correct argument type. This detail is system- and */
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/* compiler-dependent. The #define below assumes signal.h declares */
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/* type SIG_PF for the signal function's second argument. */
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1999-03-17 16:21:44 +08:00
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/* For some C++ compilers, "#define Sigarg_t ..." may be appropriate. */
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1998-02-01 09:37:08 +08:00
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#include <signal.h>
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#ifndef Sigret_t
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#define Sigret_t void
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#endif
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#ifndef Sigarg_t
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#ifdef KR_headers
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#define Sigarg_t
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#else
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#define Sigarg_t int
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#endif
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#endif /*Sigarg_t*/
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#ifdef USE_SIG_PF /* compile with -DUSE_SIG_PF under IRIX */
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#define sig_pf SIG_PF
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#else
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typedef Sigret_t (*sig_pf)(Sigarg_t);
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#endif
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#define signal1(a,b) signal(a,(sig_pf)b)
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1998-05-19 18:52:03 +08:00
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#ifdef __cplusplus
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#define Sigarg ...
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#define Use_Sigarg
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#else
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#define Sigarg Int n
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#define Use_Sigarg n = n /* shut up compiler warning */
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#endif
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