cloudabi_util.h revision 302408
1/*- 2 * Copyright (c) 2015 Nuxi, https://nuxi.nl/ 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 AND CONTRIBUTORS ``AS IS'' AND 14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16 * ARE 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 19 * OR 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 * $FreeBSD: stable/11/sys/compat/cloudabi/cloudabi_util.h 297468 2016-03-31 18:50:06Z ed $ 26 */ 27 28#ifndef _CLOUDABI_UTIL_H_ 29#define _CLOUDABI_UTIL_H_ 30 31#include <sys/socket.h> 32 33#include <contrib/cloudabi/cloudabi_types_common.h> 34 35struct file; 36struct thread; 37struct timespec; 38 39/* Fetches the time value of a clock. */ 40int cloudabi_clock_time_get(struct thread *, cloudabi_clockid_t, 41 cloudabi_timestamp_t *); 42 43/* Converts a FreeBSD errno to a CloudABI errno. */ 44cloudabi_errno_t cloudabi_convert_errno(int); 45 46/* Converts FreeBSD's struct sockaddr to CloudABI's cloudabi_sockaddr_t. */ 47void cloudabi_convert_sockaddr(const struct sockaddr *, socklen_t, 48 cloudabi_sockaddr_t *); 49 50/* Converts a file descriptor to a CloudABI file descriptor type. */ 51cloudabi_filetype_t cloudabi_convert_filetype(const struct file *); 52 53/* Converts CloudABI rights to a set of Capsicum capabilities. */ 54int cloudabi_convert_rights(cloudabi_rights_t, cap_rights_t *); 55 56/* Removes rights that conflict with the file descriptor type. */ 57void cloudabi_remove_conflicting_rights(cloudabi_filetype_t, 58 cloudabi_rights_t *, cloudabi_rights_t *); 59 60/* Converts a struct timespec to a CloudABI timestamp. */ 61int cloudabi_convert_timespec(const struct timespec *, cloudabi_timestamp_t *); 62 63/* 64 * Blocking futex functions. 65 * 66 * These functions are called by CloudABI's polling system calls to 67 * sleep on a lock or condition variable. 68 */ 69int cloudabi_futex_condvar_wait(struct thread *, cloudabi_condvar_t *, 70 cloudabi_scope_t, cloudabi_lock_t *, cloudabi_scope_t, cloudabi_clockid_t, 71 cloudabi_timestamp_t, cloudabi_timestamp_t); 72int cloudabi_futex_lock_rdlock(struct thread *, cloudabi_lock_t *, 73 cloudabi_scope_t, cloudabi_clockid_t, cloudabi_timestamp_t, 74 cloudabi_timestamp_t); 75int cloudabi_futex_lock_wrlock(struct thread *, cloudabi_lock_t *, 76 cloudabi_scope_t, cloudabi_clockid_t, cloudabi_timestamp_t, 77 cloudabi_timestamp_t); 78 79#endif 80