2 * Copyright (c) 2015 Nuxi, https://nuxi.nl/
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
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.
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
28 #ifndef _CLOUDABI_UTIL_H_
29 #define _CLOUDABI_UTIL_H_
31 #include <sys/socket.h>
33 #include <compat/cloudabi/cloudabi_syscalldefs.h>
39 /* Fetches the time value of a clock. */
40 int cloudabi_clock_time_get(struct thread *, cloudabi_clockid_t,
41 cloudabi_timestamp_t *);
43 /* Converts a FreeBSD errno to a CloudABI errno. */
44 cloudabi_errno_t cloudabi_convert_errno(int);
46 /* Converts FreeBSD's struct sockaddr to CloudABI's cloudabi_sockaddr_t. */
47 void cloudabi_convert_sockaddr(const struct sockaddr *, socklen_t,
48 cloudabi_sockaddr_t *);
50 /* Converts a file descriptor to a CloudABI file descriptor type. */
51 cloudabi_filetype_t cloudabi_convert_filetype(const struct file *);
53 /* Converts CloudABI rights to a set of Capsicum capabilities. */
54 int cloudabi_convert_rights(cloudabi_rights_t, cap_rights_t *);
56 /* Removes rights that conflict with the file descriptor type. */
57 void cloudabi_remove_conflicting_rights(cloudabi_filetype_t,
58 cloudabi_rights_t *, cloudabi_rights_t *);
60 /* Converts a struct timespec to a CloudABI timestamp. */
61 int cloudabi_convert_timespec(const struct timespec *, cloudabi_timestamp_t *);
64 * Blocking futex functions.
66 * These functions are called by CloudABI's polling system calls to
67 * sleep on a lock or condition variable.
69 int cloudabi_futex_condvar_wait(struct thread *, cloudabi_condvar_t *,
70 cloudabi_mflags_t, cloudabi_lock_t *, cloudabi_mflags_t, cloudabi_clockid_t,
71 cloudabi_timestamp_t, cloudabi_timestamp_t);
72 int cloudabi_futex_lock_rdlock(struct thread *, cloudabi_lock_t *,
73 cloudabi_mflags_t, cloudabi_clockid_t, cloudabi_timestamp_t,
74 cloudabi_timestamp_t);
75 int cloudabi_futex_lock_wrlock(struct thread *, cloudabi_lock_t *,
76 cloudabi_mflags_t, cloudabi_clockid_t, cloudabi_timestamp_t,
77 cloudabi_timestamp_t);