Hallo, dies ist ein Test.

PWD: /www/data-lst1/unixsoft/unixsoft/kaempfer/.public_html

Running in File Mode
Relative path: ./../../../../../../usr/include/sys/klog_impl.h
Real path: /usr/include/sys/klog_impl.h
Zurück

/*
 * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.
 */

#ifndef _SYS_KLOG_IMPL_H
#define	_SYS_KLOG_IMPL_H

#include <sys/types.h>
#include <sys/modctl.h>
#include <sys/param.h>
#include <sys/list.h>
#include <sys/klog.h>

#ifdef __cplusplus
extern "C" {
#endif

/*
 * All klog implementation private data structures and functions are
 * declared in this file.
 *
 * Default locking order:
 * (klog_instance_mutex, klog_buf::kb_mutex, klog::l_mutex)
 */

/*
 * Maximal length in bytes per log entry.
 *
 * NOTE: currently KLOG_ELEM_MSG_LEN can't be changed without
 * breaking the ability of newer Solaris bits to successfully
 * run ::klog against older core files.
 */
#define	KLOG_ELEM_MSG_LEN	120

/*
 * klog elements, each element denotes a single log entry.
 */
typedef struct klog_elem {
	/*
	 * Fields below are protected by the klog buffer lock.
	 */
	timespec_t		ke_ts;
	hrtime_t		ke_hrts;
	klog_t			*ke_log;

/*
	 * ke_mutex is to protect ke_msg output buffer.
	 */
	kmutex_t		ke_mutex;
	char			ke_msg[KLOG_ELEM_MSG_LEN];
} klog_elem_t;

/*
 * Kernel log buffer, can be shared by multiple kernel log
 * instances to minimize the memory footprint.
 */
struct klog_buf {
	uint32_t	kb_nelem;
	klog_elem_t	*kb_rbuf;
	kmutex_t	kb_mutex;
	uint32_t	kb_idx;		/* pointer to the next log entry. */
	list_t		kb_log_list;
};

/*
 * Kernel logging instance data structure.
 */
struct klog {
	char		l_name[MAXNAMELEN];
	uint64_t	l_flags;
	uint32_t	l_iflags;
	klog_buf_t	*l_buf;
	/*
	 * The length of the index buffer is implictly defined by its
	 * associated klog buffer.
	 */
	uint32_t	*l_ibuf;
	kmutex_t	l_mutex;
	uint32_t	l_head;		/* head of the index ring buffer */
	uint32_t	l_tail;		/* tail of the index ring buffer */
	uint32_t	l_cnt;		/* # of items in the ring buffer */
	list_node_t	l_lnode;
	uint32_t	l_ref;
};

#ifdef __cplusplus
}
#endif

#endif /* _SYS_KLOG_IMPL_H */