include/signal.h

   1 #ifndef _SIGNAL_H_
   2 #ifdef __cplusplus
   3 extern "C" {
   4 #endif
   5 #define _SIGNAL_H_
   6
   7 #include "_ansi.h"
   8 #include <sys/signal.h>
   9
  10 typedef int     sig_atomic_t;           /* Atomic entity type (ANSI) */
  11
  12 #if defined(__STDC__) || defined(__cplusplus)
  13 #define SIG_DFL ((void (*)(int))0)      /* Default action */
  14 #define SIG_IGN ((void (*)(int))1)      /* Ignore action */
  15 #define SIG_ERR ((void (*)(int))-1)     /* Error return */
  16 #else
  17 #define SIG_DFL ((void (*)())0)         /* Default action */
  18 #define SIG_IGN ((void (*)())1)         /* Ignore action */
  19 #define SIG_ERR ((void (*)())-1)        /* Error return */
  20 #endif
  21
  22 typedef void (*_sig_func_ptr) (int);
  23
  24 struct _reent;
  25
  26 _sig_func_ptr _EXFUN(_signal_r, (struct _reent *, int, _sig_func_ptr));
  27 int     _EXFUN(_raise_r, (struct _reent *, int));
  28
  29 #ifndef _REENT_ONLY
  30 _sig_func_ptr _EXFUN(signal, (int, _sig_func_ptr));
  31 int     _EXFUN(raise, (int));
  32 #endif
  33
  34 #ifdef __cplusplus
  35 }
  36 #endif
  37 #endif /* _SIGNAL_H_ */