signal.h

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#ifndef _SIGNAL_H_
#define _SIGNAL_H_
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef char sig_atomic_t;
 
// Originally from the Public Domain C Library (PDCLib).
 
/* These are the values used by Linux. */
 
/* Abnormal termination / abort() */
#define SIGABRT 6
/* Arithmetic exception / division by zero / overflow */
#define SIGFPE 8
/* Illegal instruction */
#define SIGILL 4
/* Interactive attention signal */
#define SIGINT 2
/* Invalid memory access */
#define SIGSEGV 11
/* Termination request */
#define SIGTERM 15
 
/* The following should be defined to pointer values that could NEVER point to
   a valid signal handler function. (They are used as special arguments to
   signal().) Again, these are the values used by Linux.
*/
#define SIG_DFL ((void (*)(int))0)
#define SIG_ERR ((void (*)(int))-1)
#define SIG_IGN ((void (*)(int))1)
 
void (*signal(int sig, void (*func)(int)))(int);
int raise(int sig);
 
#ifdef __cplusplus
}
#endif
 
#endif // not _SIGNAL_H_