signal.h

用SPCE061A控制两个电机画任意直线的程序。

#ifndef _SIGNAL_H_
#define _SIGNAL_H_

#include "_ansi.h"
#include <sys/signal.h>

typedef int	sig_atomic_t;		/* Atomic entity type (ANSI) */

#if defined(__STDC__) || defined(__cplusplus)
#define SIG_DFL ((void (*)(int))0)	/* Default action */
#define SIG_IGN ((void (*)(int))1)	/* Ignore action */
#define SIG_ERR ((void (*)(int))-1)	/* Error return */
#else
#define SIG_DFL ((void (*)())0)		/* Default action */
#define SIG_IGN ((void (*)())1)		/* Ignore action */
#define SIG_ERR ((void (*)())-1)	/* Error return */
#endif

typedef void (*_sig_func_ptr) (int);

struct _reent;

_sig_func_ptr _signal_r(struct _reent *, int, _sig_func_ptr);
int _raise_r(struct _reent *, int);

#ifndef _REENT_ONLY
_sig_func_ptr signal(int, _sig_func_ptr);
int raise(int);
#endif

#endif /* _SIGNAL_H_ */