1 #ifndef _SIGNAL_H_
2 #define _SIGNAL_H_
3 
4 #include "_ansi.h"
5 #include <sys/cdefs.h>
6 #include <sys/signal.h>
7 
8 _BEGIN_STD_C
9 
10 typedef int	sig_atomic_t;		/* Atomic entity type (ANSI) */
11 #if __BSD_VISIBLE
12 typedef _sig_func_ptr sig_t;		/* BSD naming */
13 #endif
14 #if __GNU_VISIBLE
15 typedef _sig_func_ptr sighandler_t;	/* glibc naming */
16 #endif
17 
18 #define SIG_DFL ((_sig_func_ptr)0)	/* Default action */
19 #define SIG_IGN ((_sig_func_ptr)1)	/* Ignore action */
20 #define SIG_ERR ((_sig_func_ptr)-1)	/* Error return */
21 
22 #ifndef _REENT_ONLY
23 _sig_func_ptr signal (int, _sig_func_ptr);
24 int	raise (int);
25 void	psignal (int, const char *);
26 #endif
27 
28 _END_STD_C
29 
30 #endif /* _SIGNAL_H_ */
31