1/*- 2 * Copyright (c) 2013 Antti Kantee. All Rights Reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 14 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 16 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 19 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23 * SUCH DAMAGE. 24 */ 25 26#include <bmk-core/errno.h> 27#include <bmk-core/memalloc.h> 28#include <bmk-core/null.h> 29#include <bmk-core/platform.h> 30#include <bmk-core/sched.h> 31#include <bmk-core/string.h> 32 33#include <bmk-rumpuser/core_types.h> 34#include <bmk-rumpuser/rumpuser.h> 35 36int 37rumpuser_clock_gettime(int which, int64_t *sec, long *nsec) 38{ 39 bmk_time_t time; 40 41 time = bmk_platform_cpu_clock_monotonic(); 42 43 switch (which) { 44 case RUMPUSER_CLOCK_RELWALL: 45 time += bmk_platform_cpu_clock_epochoffset(); 46 break; 47 case RUMPUSER_CLOCK_ABSMONO: 48 break; 49 } 50 51 *sec = time / (1000*1000*1000ULL); 52 *nsec = time % (1000*1000*1000ULL); 53 54 return 0; 55} 56 57int 58rumpuser_clock_sleep(int enum_rumpclock, int64_t sec, long nsec) 59{ 60 enum rumpclock rclk = enum_rumpclock; 61 bmk_time_t deadline = 0; 62 int nlocks; 63 64 rumpkern_unsched(&nlocks, NULL); 65 switch (rclk) { 66 case RUMPUSER_CLOCK_RELWALL: 67 deadline = bmk_platform_cpu_clock_monotonic(); 68 break; 69 case RUMPUSER_CLOCK_ABSMONO: 70 break; 71 } 72 deadline += sec * 1000*1000*1000 + nsec; 73 bmk_sched_blockprepare_timeout(deadline); 74 bmk_sched_block(); 75 rumpkern_sched(nlocks, NULL); 76 77 return 0; 78} 79