S60 3rd Edition API Reference: param.h File Reference

#define __FreeBSD_version 600034

#define BKVAMASK (BKVASIZE-1)

#define BKVASIZE 16384

#define BLKDEV_IOSIZE PAGE_SIZE

#define BSD 199506

#define BSD4_3 1

#define BSD4_4 1

#define btoc

(

x

)

(((vm_offset_t)(x)+PAGE_MASK)>>PAGE_SHIFT)

#define btodb

(

bytes

)

Value:

/* calculates (bytes / DEV_BSIZE) */ \
        (sizeof (bytes) > sizeof(long) \
         ? (daddr_t)((unsigned long long)(bytes) >> DEV_BSHIFT) \
         : (daddr_t)((unsigned long)(bytes) >> DEV_BSHIFT))

#define CBLOCK 128

#define CBQSIZE (CBLOCK/NBBY)

#define CBSIZE (CBLOCK - sizeof(struct cblock *) - CBQSIZE)

#define clrbit	(	a,
		i		)	((a)[(i)/NBBY] &= ~(1<<((i)%NBBY)))

#define CMASK 022

#define CROUND (CBLOCK - 1)

#define ctob

(

x

)

((x)<<PAGE_SHIFT)

#define ctodb

(

db

)

Value:

/* calculates pages to devblks */ \
        ((db) << (PAGE_SHIFT - DEV_BSHIFT))

#define dbtob

(

db

)

Value:

/* calculates (db * DEV_BSIZE) */ \
        ((off_t)(db) << DEV_BSHIFT)

#define dbtoc

(

db

)

Value:

/* calculates devblks to pages */ \
        ((db + (ctodb(1) - 1)) >> (PAGE_SHIFT - DEV_BSHIFT))

#define DEV_BSHIFT 9

#define DEV_BSIZE (1<<DEV_BSHIFT)

#define DFLTPHYS (64 * 1024)

#define FSCALE (1<<FSHIFT)

#define FSHIFT 11

#define howmany	(	x,
		y		)	(((x)+((y)-1))/(y))

#define isclr	(	a,
		i		)	(((a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0)

#define isset	(	a,
		i		)	((a)[(i)/NBBY] & (1<<((i)%NBBY)))

#define MAX	(	a,
		b		)	(((a)>(b))?(a):(b))

#define MAXALLOCSAVE (2 * PAGE_SIZE)

#define MAXBSIZE 65536

#define MAXCOMLEN 19

#define MAXDUMPPGS (DFLTPHYS/PAGE_SIZE)

#define MAXHOSTNAMELEN 256

#define MAXINTERP 32

#define MAXLOGNAME 17

#define MAXPATHLEN PATH_MAX

#define MAXPHYS (128 * 1024)

#define MAXSYMLINKS 32

#define MAXUPRC CHILD_MAX

#define MCLBYTES (1 << MCLSHIFT)

#define MCLSHIFT 11

#define MIN	(	a,
		b		)	(((a)<(b))?(a):(b))

#define MINBUCKET 4

#define MSIZE 256

#define NBBY 8

#define NBPW sizeof(int)

#define NCARGS ARG_MAX

#define NGROUPS NGROUPS_MAX

#define NODEV (dev_t)(-1)

#define NOFILE OPEN_MAX

#define NOGROUP 65535

#define NZERO 0

#define PCATCH 0x100

#define PDROP 0x200

#define powerof2

(

x

)

((((x)-1)&(x))==0)

#define PRIMASK 0x0ff

#define rounddown	(	x,
		y		)	(((x)/(y))*(y))

#define roundup	(	x,
		y		)	((((x)+((y)-1))/(y))*(y))

#define roundup2	(	x,
		y		)	(((x)+((y)-1))&(~((y)-1)))

#define setbit	(	a,
		i		)	((a)[(i)/NBBY] \|= 1<<((i)%NBBY))

#define SPECNAMELEN 63

sys/param.h File Reference

Defines

Define Documentation


Defines
#define	BSD 199506
#define	BSD4_3 1
#define	BSD4_4 1
#define	__FreeBSD_version 600034
#define	MAXCOMLEN 19
#define	MAXINTERP 32
#define	MAXLOGNAME 17
#define	MAXUPRC CHILD_MAX
#define	NCARGS ARG_MAX
#define	NGROUPS NGROUPS_MAX
#define	NOFILE OPEN_MAX
#define	NOGROUP 65535
#define	MAXHOSTNAMELEN 256
#define	SPECNAMELEN 63
#define	DEV_BSHIFT 9
#define	DEV_BSIZE (1<<DEV_BSHIFT)
#define	BLKDEV_IOSIZE PAGE_SIZE
#define	DFLTPHYS (64 * 1024)
#define	MAXPHYS (128 * 1024)
#define	MAXDUMPPGS (DFLTPHYS/PAGE_SIZE)
#define	MSIZE 256
#define	MCLSHIFT 11
#define	MCLBYTES (1 << MCLSHIFT)
#define	ctob(x) ((x)<<PAGE_SHIFT)
#define	btoc(x) (((vm_offset_t)(x)+PAGE_MASK)>>PAGE_SHIFT)
#define	btodb(bytes)
#define	dbtob(db)
#define	PRIMASK 0x0ff
#define	PCATCH 0x100
#define	PDROP 0x200
#define	NZERO 0
#define	NBBY 8
#define	NBPW sizeof(int)
#define	CMASK 022
#define	NODEV (dev_t)(-1)
#define	CBLOCK 128
#define	CBQSIZE (CBLOCK/NBBY)
#define	CBSIZE (CBLOCK - sizeof(struct cblock *) - CBQSIZE)
#define	CROUND (CBLOCK - 1)
#define	MAXBSIZE 65536
#define	BKVASIZE 16384
#define	BKVAMASK (BKVASIZE-1)
#define	MAXPATHLEN PATH_MAX
#define	MAXSYMLINKS 32
#define	setbit(a, i) ((a)[(i)/NBBY] \|= 1<<((i)%NBBY))
#define	clrbit(a, i) ((a)[(i)/NBBY] &= ~(1<<((i)%NBBY)))
#define	isset(a, i) ((a)[(i)/NBBY] & (1<<((i)%NBBY)))
#define	isclr(a, i) (((a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0)
#define	howmany(x, y) (((x)+((y)-1))/(y))
#define	rounddown(x, y) (((x)/(y))*(y))
#define	roundup(x, y) ((((x)+((y)-1))/(y))*(y))
#define	roundup2(x, y) (((x)+((y)-1))&(~((y)-1)))
#define	powerof2(x) ((((x)-1)&(x))==0)
#define	MIN(a, b) (((a)<(b))?(a):(b))
#define	MAX(a, b) (((a)>(b))?(a):(b))
#define	MINBUCKET 4
#define	MAXALLOCSAVE (2 * PAGE_SIZE)
#define	FSHIFT 11
#define	FSCALE (1<<FSHIFT)
#define	dbtoc(db)
#define	ctodb(db)