misc.h File Reference

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Macros
#define	__MOTR_LIB_USER_SPACE_MISC_H__
#define	offsetof(typ, memb)   __builtin_offsetof(typ, memb)
#define	container_of(ptr, type, member)   ((type *)((char *)(ptr)-(char *)(&((type *)0)->member)))
#define	NULL   ((void *)0)
#define	ARRAY_SIZE(a)   ((sizeof (a)) / (sizeof (a)[0]))

Functions
M0_INTERNAL int	m0_host_resolve (const char *name, char *buf, size_t bufsiz)
M0_INTERNAL void	m0_performance_counters (char *buf, size_t buf_len)

Macro Definition Documentation

__MOTR_LIB_USER_SPACE_MISC_H__

#define __MOTR_LIB_USER_SPACE_MISC_H__

Definition at line 26 of file misc.h.

ARRAY_SIZE

#define ARRAY_SIZE

(

a

)

((sizeof (a)) / (sizeof (a)[0]))

size of array

Definition at line 45 of file misc.h.

container_of

#define container_of	(		ptr,
			type,
			member
	)		((type *)((char *)(ptr)-(char *)(&((type *)0)->member)))

Definition at line 33 of file misc.h.

NULL

#define NULL   ((void *)0)

Definition at line 38 of file misc.h.

offsetof

#define offsetof	(		typ,
			memb
	)		__builtin_offsetof(typ, memb)

Definition at line 29 of file misc.h.

Function Documentation

m0_host_resolve()

M0_INTERNAL int m0_host_resolve	(	const char *	name,
		char *	buf,
		size_t	bufsiz
	)

Resolve hostname.

Resolve a hostname to a stringified IP address

Definition at line 49 of file umisc.c.

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m0_performance_counters()

M0_INTERNAL void m0_performance_counters	(	char *	buf,
		size_t	buf_len
	)

Print performance counters: getrusage(), /proc/self/io.

All errors (can't open file etc.) are silently ignored.

Definition at line 82 of file umisc.c.

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