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28 #ifndef _CLOUDABI_UTIL_H_
29 #define _CLOUDABI_UTIL_H_
31 #include <compat/cloudabi/cloudabi_syscalldefs.h>
37 /* Fetches the time value of a clock. */
38 int cloudabi_clock_time_get(struct thread *, cloudabi_clockid_t,
39 cloudabi_timestamp_t *);
41 /* Converts a FreeBSD errno to a CloudABI errno. */
42 cloudabi_errno_t cloudabi_convert_errno(int);
44 /* Converts a file descriptor to a CloudABI file descriptor type. */
45 cloudabi_filetype_t cloudabi_convert_filetype(const struct file *);
47 /* Converts a struct timespec to a CloudABI timestamp. */
48 int cloudabi_convert_timespec(const struct timespec *, cloudabi_timestamp_t *);
51 * Blocking futex functions.
53 * These functions are called by CloudABI's polling system calls to
54 * sleep on a lock or condition variable.
56 int cloudabi_futex_condvar_wait(struct thread *, cloudabi_condvar_t *,
57 cloudabi_mflags_t, cloudabi_lock_t *, cloudabi_mflags_t, cloudabi_clockid_t,
58 cloudabi_timestamp_t, cloudabi_timestamp_t);
59 int cloudabi_futex_lock_rdlock(struct thread *, cloudabi_lock_t *,
60 cloudabi_mflags_t, cloudabi_clockid_t, cloudabi_timestamp_t,
61 cloudabi_timestamp_t);
62 int cloudabi_futex_lock_wrlock(struct thread *, cloudabi_lock_t *,
63 cloudabi_mflags_t, cloudabi_clockid_t, cloudabi_timestamp_t,
64 cloudabi_timestamp_t);