param.h

来自「ARM 嵌入式 系统 设计与实例开发 实验教材 二源码」· C头文件 代码 · 共 38 行

#ifndef _ASM_ALPHA_PARAM_H
#define _ASM_ALPHA_PARAM_H

/* ??? Gross.  I don't want to parameterize this, and supposedly the
   hardware ignores reprogramming.  We also need userland buy-in to the 
   change in HZ, since this is visible in the wait4 resources etc.  */

#include <linux/config.h>

#ifndef HZ
# ifndef CONFIG_ALPHA_RAWHIDE
#  define HZ	1024
# else
#  define HZ	1200
# endif
#ifdef __KERNEL__
# define hz_to_std(a) (a)
#endif
#endif

#define EXEC_PAGESIZE	8192

#ifndef NGROUPS
#define NGROUPS		32
#endif

#ifndef NOGROUP
#define NOGROUP		(-1)
#endif

#define MAXHOSTNAMELEN	64	/* max length of hostname */

#ifdef __KERNEL__
# define CLOCKS_PER_SEC	HZ	/* frequency at which times() counts */
#endif

#endif /* _ASM_ALPHA_PARAM_H */