xref: /freebsd/sys/sys/syscallsubr.h (revision 6d2efbb34fdb59facbe6d83374ef4ab69d395866)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2002 Ian Dowse.  All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  */
27 
28 #ifndef _SYS_SYSCALLSUBR_H_
29 #define _SYS_SYSCALLSUBR_H_
30 
31 #include <sys/signal.h>
32 #include <sys/socket.h>
33 #include <sys/mac.h>
34 #include <sys/mount.h>
35 #include <sys/_cpuset.h>
36 #include <sys/_domainset.h>
37 #include <sys/_uio.h>
38 
39 struct __wrusage;
40 struct cpuset_copy_cb;
41 struct file;
42 struct filecaps;
43 enum idtype;
44 struct itimerval;
45 struct image_args;
46 struct jail;
47 struct kevent;
48 struct kevent_copyops;
49 struct kld_file_stat;
50 struct ksiginfo;
51 struct mbuf;
52 struct mq_attr;
53 struct msghdr;
54 struct msqid_ds;
55 struct pollfd;
56 struct ogetdirentries_args;
57 struct rlimit;
58 struct rusage;
59 struct sched_param;
60 struct sembuf;
61 union semun;
62 struct sockaddr;
63 struct spacectl_range;
64 struct stat;
65 struct thr_param;
66 struct timex;
67 struct uio;
68 struct vm_map;
69 struct vmspace;
70 
71 typedef int (*mmap_check_fp_fn)(struct file *, int, int, int);
72 
73 struct mmap_req {
74 	vm_offset_t		mr_hint;
75 	vm_size_t		mr_len;
76 	int			mr_prot;
77 	int			mr_flags;
78 	int			mr_fd;
79 	off_t			mr_pos;
80 	mmap_check_fp_fn	mr_check_fp_fn;
81 };
82 
83 uint64_t at2cnpflags(u_int at_flags, u_int mask);
84 int	kern___getcwd(struct thread *td, char *buf, enum uio_seg bufseg,
85 	    size_t buflen, size_t path_max);
86 int	kern_abort2(struct thread *td, const char *why, int nargs,
87 	    void **uargs);
88 int	kern_accept(struct thread *td, int s, struct sockaddr *sa,
89 	    struct file **fp);
90 int	kern_accept4(struct thread *td, int s, struct sockaddr *sa,
91 	    int flags, struct file **fp);
92 int	kern_accessat(struct thread *td, int fd, const char *path,
93 	    enum uio_seg pathseg, int flags, int mode);
94 int	kern_adjtime(struct thread *td, struct timeval *delta,
95 	    struct timeval *olddelta);
96 int	kern_bindat(struct thread *td, int dirfd, int fd, struct sockaddr *sa);
97 int	kern_break(struct thread *td, uintptr_t *addr);
98 int	kern_cap_ioctls_limit(struct thread *td, int fd, u_long *cmds,
99 	    size_t ncmds);
100 int	kern_cap_rights_limit(struct thread *td, int fd, cap_rights_t *rights);
101 int	kern_chdir(struct thread *td, const char *path, enum uio_seg pathseg);
102 int	kern_clock_getcpuclockid2(struct thread *td, id_t id, int which,
103 	    clockid_t *clk_id);
104 int	kern_clock_getres(struct thread *td, clockid_t clock_id,
105 	    struct timespec *ts);
106 int	kern_clock_gettime(struct thread *td, clockid_t clock_id,
107 	    struct timespec *ats);
108 int	kern_clock_nanosleep(struct thread *td, clockid_t clock_id, int flags,
109 	    const struct timespec *rqtp, struct timespec *rmtp);
110 int	kern_clock_settime(struct thread *td, clockid_t clock_id,
111 	    struct timespec *ats);
112 void	kern_thread_cputime(struct thread *targettd, struct timespec *ats);
113 void	kern_process_cputime(struct proc *targetp, struct timespec *ats);
114 int	kern_close_range(struct thread *td, int flags, u_int lowfd, u_int highfd);
115 int	kern_close(struct thread *td, int fd);
116 int	kern_connectat(struct thread *td, int dirfd, int fd,
117 	    struct sockaddr *sa);
118 int	kern_copy_file_range(struct thread *td, int infd, off_t *inoffp,
119 	    int outfd, off_t *outoffp, size_t len, unsigned int flags);
120 int	user_cpuset_getaffinity(struct thread *td, cpulevel_t level,
121 	    cpuwhich_t which, id_t id, size_t cpusetsize, cpuset_t *maskp,
122 	    const struct cpuset_copy_cb *cb);
123 int	kern_cpuset_getaffinity(struct thread *td, cpulevel_t level,
124 	    cpuwhich_t which, id_t id, size_t cpusetsize, cpuset_t *mask);
125 int	kern_cpuset_setaffinity(struct thread *td, cpulevel_t level,
126 	    cpuwhich_t which, id_t id, cpuset_t *maskp);
127 int	user_cpuset_setaffinity(struct thread *td, cpulevel_t level,
128 	    cpuwhich_t which, id_t id, size_t cpusetsize,
129 	    const cpuset_t *maskp, const struct cpuset_copy_cb *cb);
130 int	kern_cpuset_getdomain(struct thread *td, cpulevel_t level,
131 	    cpuwhich_t which, id_t id, size_t domainsetsize,
132 	    domainset_t *maskp, int *policyp, const struct cpuset_copy_cb *cb);
133 int	kern_cpuset_setdomain(struct thread *td, cpulevel_t level,
134 	    cpuwhich_t which, id_t id, size_t domainsetsize,
135 	    const domainset_t *maskp, int policy, const struct cpuset_copy_cb *cb);
136 int	kern_cpuset_getid(struct thread *td, cpulevel_t level,
137 	    cpuwhich_t which, id_t id, cpusetid_t *setid);
138 int	kern_cpuset_setid(struct thread *td, cpuwhich_t which,
139 	    id_t id, cpusetid_t setid);
140 int	kern_dup(struct thread *td, u_int mode, int flags, int old, int new);
141 int	kern_execve(struct thread *td, struct image_args *args,
142 	    struct mac *mac_p, struct vmspace *oldvmspace);
143 int	kern_extattr_delete_fd(struct thread *td, int fd, int attrnamespace,
144 	    const char *attrname);
145 int	kern_extattr_delete_path(struct thread *td, const char *path,
146 	    int attrnamespace, const char *attrname, int follow,
147 	    enum uio_seg pathseg);
148 int	kern_extattr_get_fd(struct thread *td, int fd, int attrnamespace,
149 	    const char *attrname, void *data, size_t nbytes);
150 int	kern_extattr_get_path(struct thread *td, const char *path,
151 	    int attrnamespace, const char *attrname, void *data,
152 	    size_t nbytes, int follow, enum uio_seg pathseg);
153 int	kern_extattr_list_fd(struct thread *td, int fd, int attrnamespace,
154 	    struct uio *auiop);
155 int	kern_extattr_list_path(struct thread *td, const char *path,
156 	    int attrnamespace, struct uio *auiop, int follow,
157 	    enum uio_seg pathseg);
158 int	kern_extattr_set_fd(struct thread *td, int fd, int attrnamespace,
159 	    const char *attrname, void *data, size_t nbytes);
160 int	kern_extattr_set_path(struct thread *td, const char *path,
161 	    int attrnamespace, const char *attrname, void *data,
162 	    size_t nbytes, int follow, enum uio_seg pathseg);
163 int	kern_fchmodat(struct thread *td, int fd, const char *path,
164 	    enum uio_seg pathseg, mode_t mode, int flag);
165 int	kern_fchownat(struct thread *td, int fd, const char *path,
166 	    enum uio_seg pathseg, int uid, int gid, int flag);
167 int	kern_fcntl(struct thread *td, int fd, int cmd, intptr_t arg);
168 int	kern_fcntl_freebsd(struct thread *td, int fd, int cmd, intptr_t arg);
169 int	kern_fhopen(struct thread *td, const struct fhandle *u_fhp, int flags);
170 int	kern_fhstat(struct thread *td, fhandle_t fh, struct stat *buf);
171 int	kern_fhstatfs(struct thread *td, fhandle_t fh, struct statfs *buf);
172 int	kern_fpathconf(struct thread *td, int fd, int name, long *valuep);
173 int	kern_freebsd11_getfsstat(struct thread *td,
174 	    struct freebsd11_statfs *ubuf, long bufsize, int mode);
175 int	kern_fstat(struct thread *td, int fd, struct stat *sbp);
176 int	kern_fstatfs(struct thread *td, int fd, struct statfs *buf);
177 int	kern_fsync(struct thread *td, int fd, bool fullsync);
178 int	kern_ftruncate(struct thread *td, int fd, off_t length);
179 int	kern_futimes(struct thread *td, int fd, const struct timeval *tptr,
180 	    enum uio_seg tptrseg);
181 int	kern_futimens(struct thread *td, int fd, const struct timespec *tptr,
182 	    enum uio_seg tptrseg);
183 int	kern_getdirentries(struct thread *td, int fd, char *buf, size_t count,
184 	    off_t *basep, ssize_t *residp, enum uio_seg bufseg);
185 int	kern_getfhat(struct thread *td, int flags, int fd, const char *path,
186 	    enum uio_seg pathseg, fhandle_t *fhp, enum uio_seg fhseg);
187 int	kern_getfsstat(struct thread *td, struct statfs **buf, size_t bufsize,
188 	    size_t *countp, enum uio_seg bufseg, int mode);
189 int	kern_getitimer(struct thread *, u_int, struct itimerval *);
190 int	kern_getppid(struct thread *);
191 int	kern_getpeername(struct thread *td, int fd, struct sockaddr *sa);
192 int	kern_getpriority(struct thread *td, int which, int who);
193 int	kern_getrusage(struct thread *td, int who, struct rusage *rup);
194 int	kern_getsid(struct thread *td, pid_t pid);
195 int	kern_getsockname(struct thread *td, int fd, struct sockaddr *sa);
196 int	kern_getsockopt(struct thread *td, int s, int level, int name,
197 	    void *optval, enum uio_seg valseg, socklen_t *valsize);
198 int	kern_ioctl(struct thread *td, int fd, u_long com, caddr_t data);
199 int	kern_jail(struct thread *td, struct jail *j);
200 int	kern_jail_get(struct thread *td, struct uio *options, int flags);
201 int	kern_jail_set(struct thread *td, struct uio *options, int flags);
202 int	kern_kcmp(struct thread *td, pid_t pid1, pid_t pid2, int type,
203 	    uintptr_t idx1, uintptr_t idx2);
204 int	kern_kevent(struct thread *td, int fd, int nchanges, int nevents,
205 	    struct kevent_copyops *k_ops, const struct timespec *timeout);
206 int	kern_kevent_anonymous(struct thread *td, int nevents,
207 	    struct kevent_copyops *k_ops);
208 int	kern_kevent_fp(struct thread *td, struct file *fp, int nchanges,
209 	    int nevents, struct kevent_copyops *k_ops,
210 	    const struct timespec *timeout);
211 int	kern_kill(struct thread *td, pid_t pid, int signum);
212 int	kern_kqueue(struct thread *td, int flags, struct filecaps *fcaps);
213 int	kern_kldload(struct thread *td, const char *file, int *fileid);
214 int	kern_kldstat(struct thread *td, int fileid, struct kld_file_stat *stat);
215 int	kern_kldunload(struct thread *td, int fileid, int flags);
216 int	kern_kmq_notify(struct thread *, int, struct sigevent *);
217 int	kern_kmq_open(struct thread *, const char *, int, mode_t,
218 		const struct mq_attr *);
219 int	kern_kmq_setattr(struct thread *, int, const struct mq_attr *,
220 		struct mq_attr *);
221 int	kern_kmq_timedreceive(struct thread *, int, char *,
222 		size_t, unsigned int *, const struct timespec *);
223 int	kern_kmq_timedsend(struct thread *td, int, const char *,
224 		size_t, unsigned int, const struct timespec *);
225 int	kern_linkat(struct thread *td, int fd1, int fd2, const char *path1,
226 	    const char *path2, enum uio_seg segflg, int flag);
227 int	kern_listen(struct thread *td, int s, int backlog);
228 int	kern_lseek(struct thread *td, int fd, off_t offset, int whence);
229 int	kern_lutimes(struct thread *td, const char *path, enum uio_seg pathseg,
230 	    const struct timeval *tptr, enum uio_seg tptrseg);
231 int	kern_madvise(struct thread *td, uintptr_t addr, size_t len, int behav);
232 int	kern_membarrier(struct thread *td, int cmd, unsigned flags,
233 	    int cpu_id);
234 int	kern_mincore(struct thread *td, uintptr_t addr, size_t len, char *vec);
235 int	kern_minherit(struct thread *td, uintptr_t addr, size_t len,
236 	    int inherit);
237 int	kern_mkdirat(struct thread *td, int fd, const char *path,
238 	    enum uio_seg segflg, int mode);
239 int	kern_mkfifoat(struct thread *td, int fd, const char *path,
240 	    enum uio_seg pathseg, int mode);
241 int	kern_mknodat(struct thread *td, int fd, const char *path,
242 	    enum uio_seg pathseg, int mode, dev_t dev);
243 int	kern_mlock(struct proc *proc, struct ucred *cred, uintptr_t addr,
244 	    size_t len);
245 int	kern_mmap(struct thread *td, const struct mmap_req *mrp);
246 int	kern_mmap_racct_check(struct thread *td, struct vm_map *map,
247 	    vm_size_t size);
248 int	kern_mmap_maxprot(struct proc *p, int prot);
249 int	kern_mprotect(struct thread *td, uintptr_t addr, size_t size,
250 	    int prot, int flags);
251 int	kern_msgctl(struct thread *, int, int, struct msqid_ds *);
252 int	kern_msgrcv(struct thread *, int, void *, size_t, long, int, long *);
253 int	kern_msgsnd(struct thread *, int, const void *, size_t, int, long);
254 int	kern_msync(struct thread *td, uintptr_t addr, size_t size, int flags);
255 int	kern_munlock(struct thread *td, uintptr_t addr, size_t size);
256 int	kern_munmap(struct thread *td, uintptr_t addr, size_t size);
257 int     kern_nanosleep(struct thread *td, struct timespec *rqt,
258 	    struct timespec *rmt);
259 int	kern_ntp_adjtime(struct thread *td, struct timex *ntv, int *retvalp);
260 int	kern_ogetdirentries(struct thread *td, struct ogetdirentries_args *uap,
261 	    long *ploff);
262 int	kern_ommap(struct thread *td, uintptr_t hint, int len, int oprot,
263 	    int oflags, int fd, long pos);
264 int	kern_openat(struct thread *td, int dirfd, const char *path,
265 	    enum uio_seg pathseg, int flags, int mode);
266 int	kern_openatfp(struct thread *td, int dirfd, const char *path,
267 	    enum uio_seg pathseg, int flags, int mode, struct file **fpp);
268 int	kern_pathconf(struct thread *td, const char *path,
269 	    enum uio_seg pathseg, int name, u_long flags, long *valuep);
270 int	kern_pipe(struct thread *td, int fildes[2], int flags,
271 	    struct filecaps *fcaps1, struct filecaps *fcaps2);
272 int	kern_poll(struct thread *td, struct pollfd *fds, u_int nfds,
273 	    struct timespec *tsp, sigset_t *uset);
274 int	kern_poll_kfds(struct thread *td, struct pollfd *fds, u_int nfds,
275 	    struct timespec *tsp, sigset_t *uset);
276 bool	kern_poll_maxfds(u_int nfds);
277 int	kern_posix_error(struct thread *td, int error);
278 int	kern_posix_fadvise(struct thread *td, int fd, off_t offset, off_t len,
279 	    int advice);
280 int	kern_posix_fallocate(struct thread *td, int fd, off_t offset,
281 	    off_t len);
282 int	kern_fspacectl(struct thread *td, int fd, int cmd,
283 	    const struct spacectl_range *, int flags, struct spacectl_range *);
284 int	kern_procctl(struct thread *td, enum idtype idtype, id_t id, int com,
285 	    void *data);
286 int	kern_pread(struct thread *td, int fd, void *buf, size_t nbyte,
287 	    off_t offset);
288 int	kern_preadv(struct thread *td, int fd, struct uio *auio, off_t offset);
289 int	kern_pselect(struct thread *td, int nd, fd_set *in, fd_set *ou,
290 	    fd_set *ex, struct timeval *tvp, sigset_t *uset, int abi_nfdbits);
291 int	kern_ptrace(struct thread *td, int req, pid_t pid, void *addr,
292 	    int data);
293 int	kern_pwrite(struct thread *td, int fd, const void *buf, size_t nbyte,
294 	    off_t offset);
295 int	kern_pwritev(struct thread *td, int fd, struct uio *auio, off_t offset);
296 int	kern_readlinkat(struct thread *td, int fd, const char *path,
297 	    enum uio_seg pathseg, char *buf, enum uio_seg bufseg, size_t count);
298 int	kern_readv(struct thread *td, int fd, struct uio *auio);
299 int	kern_recvit(struct thread *td, int s, struct msghdr *mp,
300 	    enum uio_seg fromseg, struct mbuf **controlp);
301 int	kern_renameat(struct thread *td, int oldfd, const char *old, int newfd,
302 	    const char *new, enum uio_seg pathseg);
303 int	kern_frmdirat(struct thread *td, int dfd, const char *path, int fd,
304 	    enum uio_seg pathseg, int flag);
305 int	kern_sched_getparam(struct thread *td, struct thread *targettd,
306 	    struct sched_param *param);
307 int	kern_sched_getscheduler(struct thread *td, struct thread *targettd,
308 	    int *policy);
309 int	kern_sched_setparam(struct thread *td, struct thread *targettd,
310 	    struct sched_param *param);
311 int	kern_sched_setscheduler(struct thread *td, struct thread *targettd,
312 	    int policy, struct sched_param *param);
313 int	kern_sched_rr_get_interval(struct thread *td, pid_t pid,
314 	    struct timespec *ts);
315 int	kern_sched_rr_get_interval_td(struct thread *td, struct thread *targettd,
316 	    struct timespec *ts);
317 int	kern_semctl(struct thread *td, int semid, int semnum, int cmd,
318 	    union semun *arg, register_t *rval);
319 int	kern_select(struct thread *td, int nd, fd_set *fd_in, fd_set *fd_ou,
320 	    fd_set *fd_ex, struct timeval *tvp, int abi_nfdbits);
321 int	kern_sendit(struct thread *td, int s, struct msghdr *mp, int flags,
322 	    struct mbuf *control, enum uio_seg segflg);
323 int	kern_setgroups(struct thread *td, int *ngrpp, gid_t *groups);
324 int	kern_setitimer(struct thread *, u_int, struct itimerval *,
325 	    struct itimerval *);
326 int	kern_setpriority(struct thread *td, int which, int who, int prio);
327 int	kern_setrlimit(struct thread *, u_int, struct rlimit *);
328 int	kern_setsockopt(struct thread *td, int s, int level, int name,
329 	    const void *optval, enum uio_seg valseg, socklen_t valsize);
330 int	kern_settimeofday(struct thread *td, struct timeval *tv,
331 	    struct timezone *tzp);
332 int	kern_shm_open(struct thread *td, const char *userpath, int flags,
333 	    mode_t mode, struct filecaps *fcaps);
334 int	kern_shm_open2(struct thread *td, const char *path, int flags,
335 	    mode_t mode, int shmflags, struct filecaps *fcaps,
336 	    const char *name);
337 int	kern_shmat(struct thread *td, int shmid, const void *shmaddr,
338 	    int shmflg);
339 int	kern_shmctl(struct thread *td, int shmid, int cmd, void *buf,
340 	    size_t *bufsz);
341 int	kern_shutdown(struct thread *td, int s, int how);
342 int	kern_sigaction(struct thread *td, int sig, const struct sigaction *act,
343 	    struct sigaction *oact, int flags);
344 int	kern_sigaltstack(struct thread *td, stack_t *ss, stack_t *oss);
345 int	kern_sigprocmask(struct thread *td, int how,
346 	    sigset_t *set, sigset_t *oset, int flags);
347 int	kern_sigsuspend(struct thread *td, sigset_t mask);
348 int	kern_sigtimedwait(struct thread *td, sigset_t waitset,
349 	    struct ksiginfo *ksi, struct timespec *timeout);
350 int	kern_sigqueue(struct thread *td, pid_t pid, int signum,
351 	    union sigval *value);
352 int	kern_socket(struct thread *td, int domain, int type, int protocol);
353 int	kern_statat(struct thread *td, int flag, int fd, const char *path,
354 	    enum uio_seg pathseg, struct stat *sbp);
355 int	kern_specialfd(struct thread *td, int type, void *arg);
356 int	kern_statfs(struct thread *td, const char *path, enum uio_seg pathseg,
357 	    struct statfs *buf);
358 int	kern_symlinkat(struct thread *td, const char *path1, int fd,
359 	    const char *path2, enum uio_seg segflg);
360 int	kern_sync(struct thread *td);
361 int	kern_ktimer_create(struct thread *td, clockid_t clock_id,
362 	    struct sigevent *evp, int *timerid, int preset_id);
363 int	kern_ktimer_delete(struct thread *, int);
364 int	kern_ktimer_settime(struct thread *td, int timer_id, int flags,
365 	    struct itimerspec *val, struct itimerspec *oval);
366 int	kern_ktimer_gettime(struct thread *td, int timer_id,
367 	    struct itimerspec *val);
368 int	kern_ktimer_getoverrun(struct thread *td, int timer_id);
369 int	kern_semop(struct thread *td, int usemid, struct sembuf *usops,
370 	    size_t nsops, struct timespec *timeout);
371 int	kern_thr_alloc(struct proc *, int pages, struct thread **);
372 int	kern_thr_exit(struct thread *td);
373 int	kern_thr_new(struct thread *td, struct thr_param *param);
374 int	kern_thr_suspend(struct thread *td, struct timespec *tsp);
375 int	kern_timerfd_create(struct thread *td, int clockid, int flags);
376 int	kern_timerfd_gettime(struct thread *td, int fd,
377 	    struct itimerspec *curr_value);
378 int	kern_timerfd_settime(struct thread *td, int fd, int flags,
379 	    const struct itimerspec *new_value, struct itimerspec *old_value);
380 int	kern_truncate(struct thread *td, const char *path,
381 	    enum uio_seg pathseg, off_t length);
382 int	kern_funlinkat(struct thread *td, int dfd, const char *path, int fd,
383 	    enum uio_seg pathseg, int flag, ino_t oldinum);
384 int	kern_utimesat(struct thread *td, int fd, const char *path,
385 	    enum uio_seg pathseg, const struct timeval *tptr,
386 	    enum uio_seg tptrseg);
387 int	kern_utimensat(struct thread *td, int fd, const char *path,
388 	    enum uio_seg pathseg, const struct timespec *tptr,
389 	    enum uio_seg tptrseg, int flag);
390 int	kern_wait(struct thread *td, pid_t pid, int *status, int options,
391 	    struct rusage *rup);
392 int	kern_wait6(struct thread *td, enum idtype idtype, id_t id, int *status,
393 	    int options, struct __wrusage *wrup, siginfo_t *sip);
394 int	kern_writev(struct thread *td, int fd, struct uio *auio);
395 int	kern_socketpair(struct thread *td, int domain, int type, int protocol,
396 	    int *rsv);
397 int	kern_unmount(struct thread *td, const char *path, int flags);
398 
399 /* flags for kern_sigaction */
400 #define	KSA_OSIGSET	0x0001	/* uses osigact_t */
401 #define	KSA_FREEBSD4	0x0002	/* uses ucontext4 */
402 
403 struct freebsd11_dirent;
404 
405 int	freebsd11_kern_getdirentries(struct thread *td, int fd, char *ubuf, u_int
406 	    count, long *basep, void (*func)(struct freebsd11_dirent *));
407 
408 #endif /* !_SYS_SYSCALLSUBR_H_ */
409