| /* You may need to adjust the definition of signal1 to supply a */ |
| /* cast to the correct argument type. This detail is system- and */ |
| /* compiler-dependent. The #define below assumes signal.h declares */ |
| /* type SIG_PF for the signal function's second argument. */ |
| |
| /* For some C++ compilers, "#define Sigarg_t ..." may be appropriate. */ |
| |
| #include <signal.h> |
| |
| #ifndef Sigret_t |
| #define Sigret_t void |
| #endif |
| #ifndef Sigarg_t |
| #define Sigarg_t int |
| #endif /*Sigarg_t */ |
| |
| #ifdef USE_SIG_PF /* compile with -DUSE_SIG_PF under IRIX */ |
| #define sig_pf SIG_PF |
| #else |
| typedef Sigret_t (*sig_pf) (Sigarg_t); |
| #endif |
| |
| #define signal1(a,b) signal(a,(sig_pf)b) |
| |
| #define Sigarg int n |
| #define Use_Sigarg n = n /* shut up compiler warning */ |
