gnbd_macros.h

来自「openGFS , a kind of file system.」· C头文件 代码 · 共 60 行

/*
 *
 *    Copyright 1999 Regents of the University of Minnesota
 *    Portions Copyright 1999-2001 Sistina Software, Inc.
 *
 *    This is free software released under the GNU General Public License.
 *    There is no warranty for this software.  See the file COPYING for
 *    details.
 *
 *    See the file AUTHORS for a list of contributors.
 *
 */
#ifndef _GNBD_MACROS_H
#define _GNBD_MACROS_H

/*
 * Macros to help debugging
 */
#undef printd			/* undef it, just in case */
#ifdef DEBUG
# define printd(fmt, args...) printk( KERN_DEBUG "gnbd %d : " fmt, \
                                     (int)current->pid , ## args)
#else
# define printd(fmt, args...)	/* not debugging: nothing */
#endif

#undef printdd
#define printdd(fmt, args...)	/* nothing: it's a placeholder */

/* Easy way to print out errs.*/
#undef printe
#define printe(fmt, args...) printk(KERN_ERR "gnbd %d : " fmt, \
                                    (int)current->pid , ## args)

/* Easy way to print out warns.*/
#undef printw
#define printw(fmt, args...) printk(KERN_WARNING "gnbd %d : " fmt, \
                                    (int)current->pid , ## args)

/* Easy way to print out basic stuff.*/
#undef printi
#define printi(fmt, args...) printk("gnbd %d : " fmt, \
                                    (int)current->pid , ## args)

#define PTICK printi("tick.\n")

#define ASSERT(x)							  \
do {									  \
	if ((x))							  \
		break;							  \
        printk(KERN_EMERG "\n\nYou've found a bug in gnbd!\n\n");	  \
        printk(KERN_EMERG "Please copy down the following line and send " \
			"it to [e-mail]\n\n"); \
        panic("gnbd:  Assertion \"%s\" failed on line %d of file %s\n",	  \
			#x, __LINE__, __FILE__);			  \
} while (0)


#endif /* _GNBD_MACROS_H */