1/*- 2 * Copyright (c) 2015-2017 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 * $FreeBSD$ 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 sysentvec; 37struct thread; 38struct timespec; 39 40/* Fetches the time value of a clock. */ 41int cloudabi_clock_time_get(struct thread *, cloudabi_clockid_t, 42 cloudabi_timestamp_t *); 43 44/* Converts a FreeBSD errno to a CloudABI errno. */ 45cloudabi_errno_t cloudabi_convert_errno(int); 46 47/* Converts a file descriptor to a CloudABI file descriptor type. */ 48cloudabi_filetype_t cloudabi_convert_filetype(const struct file *); 49 50/* Converts CloudABI rights to a set of Capsicum capabilities. */ 51int cloudabi_convert_rights(cloudabi_rights_t, cap_rights_t *); 52 53/* Removes rights that conflict with the file descriptor type. */ 54void cloudabi_remove_conflicting_rights(cloudabi_filetype_t, 55 cloudabi_rights_t *, cloudabi_rights_t *); 56 57/* Converts a struct timespec to a CloudABI timestamp. */ 58int cloudabi_convert_timespec(const struct timespec *, cloudabi_timestamp_t *); 59 60/* 61 * Blocking futex functions. 62 * 63 * These functions are called by CloudABI's polling system calls to 64 * sleep on a lock or condition variable. 65 */ 66int cloudabi_futex_condvar_wait(struct thread *, cloudabi_condvar_t *, 67 cloudabi_scope_t, cloudabi_lock_t *, cloudabi_scope_t, cloudabi_clockid_t, 68 cloudabi_timestamp_t, cloudabi_timestamp_t, bool); 69int cloudabi_futex_lock_rdlock(struct thread *, cloudabi_lock_t *, 70 cloudabi_scope_t, cloudabi_clockid_t, cloudabi_timestamp_t, 71 cloudabi_timestamp_t, bool); 72int cloudabi_futex_lock_wrlock(struct thread *, cloudabi_lock_t *, 73 cloudabi_scope_t, cloudabi_clockid_t, cloudabi_timestamp_t, 74 cloudabi_timestamp_t, bool); 75 76/* Socket operations. */ 77int cloudabi_sock_recv(struct thread *, cloudabi_fd_t, struct iovec *, size_t, 78 cloudabi_fd_t *, size_t, cloudabi_riflags_t, size_t *, size_t *, 79 cloudabi_roflags_t *); 80int cloudabi_sock_send(struct thread *, cloudabi_fd_t, struct iovec *, size_t, 81 const cloudabi_fd_t *, size_t, size_t *); 82 83/* vDSO setup and teardown. */ 84void cloudabi_vdso_init(struct sysentvec *, char *, char *); 85void cloudabi_vdso_destroy(struct sysentvec *); 86 87#endif 88