/*COPYRIGHT (C) 1999  Paolo Mantegazza (mantegazza@aero.polimi.it)This library is free software; you can redistribute it and/ormodify it under the terms of the GNU Lesser General PublicLicense as published by the Free Software Foundation; eitherversion 2 of the License, or (at your option) any later version.This library is distributed in the hope that it will be useful,but WITHOUT ANY WARRANTY; without even the implied warranty ofMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNULesser General Public License for more details.You should have received a copy of the GNU Lesser General PublicLicense along with this library; if not, write to the Free SoftwareFoundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.*/#define REAL_SIZE(x) (((x) - 1) & PAGE_MASK) + PAGE_SIZEextern void *rtai_kmalloc_f(int name, int size, unsigned long pid);#define rtai_kmalloc(x, y)  rtai_kmalloc_f((x), (y), (unsigned long)(&(__this_module)));extern void rtai_kfree_f(int name, unsigned long pid);#define rtai_kfree(x)    rtai_kfree_f((x), (unsigned long)(&(__this_module)));static inline unsigned long nam2num(const char *name){	int i = 0;	union { struct { long num; char eos; } num; char name[5]; } retval;	if (!name[0]) {	   return 0x454e4f4e;  // "NULL"	}	retval.num.eos = 0;	while (i < 4 && (retval.name[i] = name[i])) { i++; }	return retval.num.num;}static inline void num2nam(unsigned long num, char *name){	int i = 0;	union { struct { long num; char eos; } num; char name[5]; } retval;	retval.num.num = num;	retval.num.eos = 0;	while (i < 4 && (name[i] = retval.name[i])) { i++; }}#ifndef MODULE#include <asm/page.h>static void *rtai_malloc(unsigned long name, int size){	void *adr;	int hook;	struct { unsigned long name, size; } arg;	if (size <= 0) {		return 0;	}	if ((hook = open("/dev/rtai_shm", O_RDWR)) < 0) {		return 0;	}	arg.name = name;	arg.size = size;	if (!(size = ioctl(hook, 1, (unsigned long)(&arg)))) {		return 0;	}	adr = mmap(NULL, size, PROT_WRITE|PROT_READ, MAP_SHARED|MAP_FILE, hook, 0);	close(hook);	return adr;}static inline void rtai_free(int name, void *adr){	int size, hook;	if ((size = ioctl(hook = open("/dev/rtai_shm", O_RDWR), 2, name))) {		munmap(adr, size);		ioctl(hook, 3, name);	}	close(hook);}#endif