1/*- 2 * Copyright (c) 2000 Mark R V Murray 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 9 unchanged lines hidden (view full) --- 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * |
26 * $FreeBSD: head/sys/dev/random/randomdev.c 63306 2000-07-17 12:23:04Z markm $ |
27 */ 28 29#include <sys/param.h> 30#include <sys/queue.h> 31#include <sys/systm.h> 32#include <sys/conf.h> 33#include <sys/fcntl.h> 34#include <sys/uio.h> --- 77 unchanged lines hidden (view full) --- 112 void *random_buf; 113 114 random_buf = (void *)malloc(PAGE_SIZE, M_TEMP, M_WAITOK); 115 while (uio->uio_resid > 0) { 116 c = min(uio->uio_resid, PAGE_SIZE); 117 error = uiomove(random_buf, c, uio); 118 if (error) 119 break; |
120 write_random(random_buf, c); |
121 } 122 free(random_buf, M_TEMP); 123 return error; 124} 125 126static int 127random_modevent(module_t mod, int type, void *data) 128{ --- 26 unchanged lines hidden --- |