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28 #ifndef _CLOUDABI_UTIL_H_
29 #define _CLOUDABI_UTIL_H_
31 #include <sys/socket.h>
33 #include <contrib/cloudabi/cloudabi_types_common.h>
40 /* Fetches the time value of a clock. */
41 int cloudabi_clock_time_get(struct thread *, cloudabi_clockid_t,
42 cloudabi_timestamp_t *);
44 /* Converts a FreeBSD errno to a CloudABI errno. */
45 cloudabi_errno_t cloudabi_convert_errno(int);
47 /* Converts a file descriptor to a CloudABI file descriptor type. */
48 cloudabi_filetype_t cloudabi_convert_filetype(const struct file *);
50 /* Converts CloudABI rights to a set of Capsicum capabilities. */
51 int cloudabi_convert_rights(cloudabi_rights_t, cap_rights_t *);
53 /* Removes rights that conflict with the file descriptor type. */
54 void cloudabi_remove_conflicting_rights(cloudabi_filetype_t,
55 cloudabi_rights_t *, cloudabi_rights_t *);
57 /* Converts a struct timespec to a CloudABI timestamp. */
58 int cloudabi_convert_timespec(const struct timespec *, cloudabi_timestamp_t *);
61 * Blocking futex functions.
63 * These functions are called by CloudABI's polling system calls to
64 * sleep on a lock or condition variable.
66 int 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);
69 int cloudabi_futex_lock_rdlock(struct thread *, cloudabi_lock_t *,
70 cloudabi_scope_t, cloudabi_clockid_t, cloudabi_timestamp_t,
71 cloudabi_timestamp_t, bool);
72 int cloudabi_futex_lock_wrlock(struct thread *, cloudabi_lock_t *,
73 cloudabi_scope_t, cloudabi_clockid_t, cloudabi_timestamp_t,
74 cloudabi_timestamp_t, bool);
76 /* Socket operations. */
77 int 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 *);
80 int cloudabi_sock_send(struct thread *, cloudabi_fd_t, struct iovec *, size_t,
81 const cloudabi_fd_t *, size_t, size_t *);
83 /* vDSO setup and teardown. */
84 void cloudabi_vdso_init(struct sysentvec *, char *, char *);
85 void cloudabi_vdso_destroy(struct sysentvec *);