The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/sys/syscallsubr.h

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    1 /*-
    2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    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  * $FreeBSD$
   28  */
   29 
   30 #ifndef _SYS_SYSCALLSUBR_H_
   31 #define _SYS_SYSCALLSUBR_H_
   32 
   33 #include <sys/signal.h>
   34 #include <sys/socket.h>
   35 #include <sys/mac.h>
   36 #include <sys/mount.h>
   37 #include <sys/_cpuset.h>
   38 #include <sys/_domainset.h>
   39 #include <sys/_uio.h>
   40 
   41 struct __wrusage;
   42 struct cpuset_copy_cb;
   43 struct file;
   44 struct filecaps;
   45 enum idtype;
   46 struct itimerval;
   47 struct image_args;
   48 struct jail;
   49 struct kevent;
   50 struct kevent_copyops;
   51 struct kld_file_stat;
   52 struct ksiginfo;
   53 struct mbuf;
   54 struct msghdr;
   55 struct msqid_ds;
   56 struct pollfd;
   57 struct ogetdirentries_args;
   58 struct rlimit;
   59 struct rusage;
   60 struct sched_param;
   61 union semun;
   62 struct sockaddr;
   63 struct stat;
   64 struct thr_param;
   65 struct timex;
   66 struct uio;
   67 struct vm_map;
   68 struct vmspace;
   69 
   70 typedef int (*mmap_check_fp_fn)(struct file *, int, int, int);
   71 
   72 int     kern___getcwd(struct thread *td, char *buf, enum uio_seg bufseg,
   73             size_t buflen, size_t path_max);
   74 int     kern_accept(struct thread *td, int s, struct sockaddr **name,
   75             socklen_t *namelen, struct file **fp);
   76 int     kern_accept4(struct thread *td, int s, struct sockaddr **name,
   77             socklen_t *namelen, int flags, struct file **fp);
   78 int     kern_accessat(struct thread *td, int fd, char *path,
   79             enum uio_seg pathseg, int flags, int mode);
   80 int     kern_adjtime(struct thread *td, struct timeval *delta,
   81             struct timeval *olddelta);
   82 int     kern_alternate_path(struct thread *td, const char *prefix, const char *path,
   83             enum uio_seg pathseg, char **pathbuf, int create, int dirfd);
   84 int     kern_bindat(struct thread *td, int dirfd, int fd, struct sockaddr *sa);
   85 int     kern_break(struct thread *td, uintptr_t *addr);
   86 int     kern_cap_ioctls_limit(struct thread *td, int fd, u_long *cmds,
   87             size_t ncmds);
   88 int     kern_cap_rights_limit(struct thread *td, int fd, cap_rights_t *rights);
   89 int     kern_chdir(struct thread *td, char *path, enum uio_seg pathseg);
   90 int     kern_clock_getcpuclockid2(struct thread *td, id_t id, int which,
   91             clockid_t *clk_id);
   92 int     kern_clock_getres(struct thread *td, clockid_t clock_id,
   93             struct timespec *ts);
   94 int     kern_clock_gettime(struct thread *td, clockid_t clock_id,
   95             struct timespec *ats);
   96 int     kern_clock_nanosleep(struct thread *td, clockid_t clock_id, int flags,
   97             const struct timespec *rqtp, struct timespec *rmtp);
   98 int     kern_clock_settime(struct thread *td, clockid_t clock_id,
   99             struct timespec *ats);
  100 void    kern_thread_cputime(struct thread *targettd, struct timespec *ats);
  101 void    kern_process_cputime(struct proc *targetp, struct timespec *ats);
  102 int     kern_close_range(struct thread *td, u_int lowfd, u_int highfd);
  103 int     kern_close(struct thread *td, int fd);
  104 int     kern_connectat(struct thread *td, int dirfd, int fd,
  105             struct sockaddr *sa);
  106 int     kern_cpuset_getaffinity(struct thread *td, cpulevel_t level,
  107             cpuwhich_t which, id_t id, size_t cpusetsize, cpuset_t *maskp,
  108             const struct cpuset_copy_cb *cb);
  109 int     kern_cpuset_setaffinity(struct thread *td, cpulevel_t level,
  110             cpuwhich_t which, id_t id, size_t cpusetsize,
  111             const cpuset_t *maskp, const struct cpuset_copy_cb *cb);
  112 int     kern_cpuset_getdomain(struct thread *td, cpulevel_t level,
  113             cpuwhich_t which, id_t id, size_t domainsetsize,
  114             domainset_t *maskp, int *policyp, const struct cpuset_copy_cb *cb);
  115 int     kern_cpuset_setdomain(struct thread *td, cpulevel_t level,
  116             cpuwhich_t which, id_t id, size_t domainsetsize,
  117             const domainset_t *maskp, int policy, const struct cpuset_copy_cb *cb);
  118 int     kern_cpuset_getid(struct thread *td, cpulevel_t level,
  119             cpuwhich_t which, id_t id, cpusetid_t *setid);
  120 int     kern_cpuset_setid(struct thread *td, cpuwhich_t which,
  121             id_t id, cpusetid_t setid);
  122 int     kern_dup(struct thread *td, u_int mode, int flags, int old, int new);
  123 int     kern_execve(struct thread *td, struct image_args *args,
  124             struct mac *mac_p, struct vmspace *oldvmspace);
  125 int     kern_fchmodat(struct thread *td, int fd, char *path,
  126             enum uio_seg pathseg, mode_t mode, int flag);
  127 int     kern_fchownat(struct thread *td, int fd, char *path,
  128             enum uio_seg pathseg, int uid, int gid, int flag);
  129 int     kern_fcntl(struct thread *td, int fd, int cmd, intptr_t arg);
  130 int     kern_fcntl_freebsd(struct thread *td, int fd, int cmd, long arg);
  131 int     kern_fhstat(struct thread *td, fhandle_t fh, struct stat *buf);
  132 int     kern_fhstatfs(struct thread *td, fhandle_t fh, struct statfs *buf);
  133 int     kern_fpathconf(struct thread *td, int fd, int name, long *valuep);
  134 int     kern_fstat(struct thread *td, int fd, struct stat *sbp);
  135 int     kern_fstatfs(struct thread *td, int fd, struct statfs *buf);
  136 int     kern_fsync(struct thread *td, int fd, bool fullsync);
  137 int     kern_ftruncate(struct thread *td, int fd, off_t length);
  138 int     kern_futimes(struct thread *td, int fd, struct timeval *tptr,
  139             enum uio_seg tptrseg);
  140 int     kern_futimens(struct thread *td, int fd, struct timespec *tptr,
  141             enum uio_seg tptrseg);
  142 int     kern_getdirentries(struct thread *td, int fd, char *buf, size_t count,
  143             off_t *basep, ssize_t *residp, enum uio_seg bufseg);
  144 int     kern_getfsstat(struct thread *td, struct statfs **buf, size_t bufsize,
  145             size_t *countp, enum uio_seg bufseg, int mode);
  146 int     kern_getitimer(struct thread *, u_int, struct itimerval *);
  147 int     kern_getppid(struct thread *);
  148 int     kern_getpeername(struct thread *td, int fd, struct sockaddr **sa,
  149             socklen_t *alen);
  150 int     kern_getrusage(struct thread *td, int who, struct rusage *rup);
  151 int     kern_getsockname(struct thread *td, int fd, struct sockaddr **sa,
  152             socklen_t *alen);
  153 int     kern_getsockopt(struct thread *td, int s, int level, int name,
  154             void *optval, enum uio_seg valseg, socklen_t *valsize);
  155 int     kern_ioctl(struct thread *td, int fd, u_long com, caddr_t data);
  156 int     kern_jail(struct thread *td, struct jail *j);
  157 int     kern_jail_get(struct thread *td, struct uio *options, int flags);
  158 int     kern_jail_set(struct thread *td, struct uio *options, int flags);
  159 int     kern_kevent(struct thread *td, int fd, int nchanges, int nevents,
  160             struct kevent_copyops *k_ops, const struct timespec *timeout);
  161 int     kern_kevent_anonymous(struct thread *td, int nevents,
  162             struct kevent_copyops *k_ops);
  163 int     kern_kevent_fp(struct thread *td, struct file *fp, int nchanges,
  164             int nevents, struct kevent_copyops *k_ops,
  165             const struct timespec *timeout);
  166 int     kern_kqueue(struct thread *td, int flags, struct filecaps *fcaps);
  167 int     kern_kldload(struct thread *td, const char *file, int *fileid);
  168 int     kern_kldstat(struct thread *td, int fileid, struct kld_file_stat *stat);
  169 int     kern_kldunload(struct thread *td, int fileid, int flags);
  170 int     kern_linkat(struct thread *td, int fd1, int fd2, char *path1,
  171             char *path2, enum uio_seg segflg, int follow);
  172 int     kern_listen(struct thread *td, int s, int backlog);
  173 int     kern_lseek(struct thread *td, int fd, off_t offset, int whence);
  174 int     kern_lutimes(struct thread *td, char *path, enum uio_seg pathseg,
  175             struct timeval *tptr, enum uio_seg tptrseg);
  176 int     kern_madvise(struct thread *td, uintptr_t addr, size_t len, int behav);
  177 int     kern_mincore(struct thread *td, uintptr_t addr, size_t len, char *vec);
  178 int     kern_minherit(struct thread *td, uintptr_t addr, size_t len,
  179             int inherit);
  180 int     kern_mkdirat(struct thread *td, int fd, char *path,
  181             enum uio_seg segflg, int mode);
  182 int     kern_mkfifoat(struct thread *td, int fd, char *path,
  183             enum uio_seg pathseg, int mode);
  184 int     kern_mknodat(struct thread *td, int fd, char *path,
  185             enum uio_seg pathseg, int mode, dev_t dev);
  186 int     kern_mlock(struct proc *proc, struct ucred *cred, uintptr_t addr,
  187             size_t len);
  188 int     kern_mmap(struct thread *td, uintptr_t addr, size_t size, int prot,
  189             int flags, int fd, off_t pos);
  190 int     kern_mmap_fpcheck(struct thread *td, uintptr_t addr, size_t len,
  191             int prot, int flags, int fd, off_t pos,
  192             mmap_check_fp_fn check_fp_fn);
  193 int     kern_mmap_racct_check(struct thread *td, struct vm_map *map,
  194             vm_size_t size);
  195 int     kern_mprotect(struct thread *td, uintptr_t addr, size_t size, int prot);
  196 int     kern_msgctl(struct thread *, int, int, struct msqid_ds *);
  197 int     kern_msgrcv(struct thread *, int, void *, size_t, long, int, long *);
  198 int     kern_msgsnd(struct thread *, int, const void *, size_t, int, long);
  199 int     kern_msync(struct thread *td, uintptr_t addr, size_t size, int flags);
  200 int     kern_munlock(struct thread *td, uintptr_t addr, size_t size);
  201 int     kern_munmap(struct thread *td, uintptr_t addr, size_t size);
  202 int     kern_nanosleep(struct thread *td, struct timespec *rqt,
  203             struct timespec *rmt);
  204 int     kern_ntp_adjtime(struct thread *td, struct timex *ntv, int *retvalp);
  205 int     kern_ogetdirentries(struct thread *td, struct ogetdirentries_args *uap,
  206             long *ploff);
  207 int     kern_openat(struct thread *td, int fd, char *path,
  208             enum uio_seg pathseg, int flags, int mode);
  209 int     kern_pathconf(struct thread *td, char *path, enum uio_seg pathseg,
  210             int name, u_long flags, long *valuep);
  211 int     kern_pipe(struct thread *td, int fildes[2], int flags,
  212             struct filecaps *fcaps1, struct filecaps *fcaps2);
  213 int     kern_poll(struct thread *td, struct pollfd *fds, u_int nfds,
  214             struct timespec *tsp, sigset_t *uset);
  215 int     kern_posix_error(struct thread *td, int error);
  216 int     kern_posix_fadvise(struct thread *td, int fd, off_t offset, off_t len,
  217             int advice);
  218 int     kern_posix_fallocate(struct thread *td, int fd, off_t offset,
  219             off_t len);
  220 int     kern_procctl(struct thread *td, enum idtype idtype, id_t id, int com,
  221             void *data);
  222 int     kern_pread(struct thread *td, int fd, void *buf, size_t nbyte,
  223             off_t offset);
  224 int     kern_preadv(struct thread *td, int fd, struct uio *auio, off_t offset);
  225 int     kern_pselect(struct thread *td, int nd, fd_set *in, fd_set *ou,
  226             fd_set *ex, struct timeval *tvp, sigset_t *uset, int abi_nfdbits);
  227 int     kern_ptrace(struct thread *td, int req, pid_t pid, void *addr,
  228             int data);
  229 int     kern_pwrite(struct thread *td, int fd, const void *buf, size_t nbyte,
  230             off_t offset);
  231 int     kern_pwritev(struct thread *td, int fd, struct uio *auio, off_t offset);
  232 int     kern_readlinkat(struct thread *td, int fd, char *path,
  233             enum uio_seg pathseg, char *buf, enum uio_seg bufseg, size_t count);
  234 int     kern_readv(struct thread *td, int fd, struct uio *auio);
  235 int     kern_recvit(struct thread *td, int s, struct msghdr *mp,
  236             enum uio_seg fromseg, struct mbuf **controlp);
  237 int     kern_renameat(struct thread *td, int oldfd, char *old, int newfd,
  238             char *new, enum uio_seg pathseg);
  239 int     kern_rmdirat(struct thread *td, int fd, char *path,
  240             enum uio_seg pathseg, int flag);
  241 int     kern_sched_getparam(struct thread *td, struct thread *targettd,
  242             struct sched_param *param);
  243 int     kern_sched_getscheduler(struct thread *td, struct thread *targettd,
  244             int *policy);
  245 int     kern_sched_setparam(struct thread *td, struct thread *targettd,
  246             struct sched_param *param);
  247 int     kern_sched_setscheduler(struct thread *td, struct thread *targettd,
  248             int policy, struct sched_param *param);
  249 int     kern_sched_rr_get_interval(struct thread *td, pid_t pid,
  250             struct timespec *ts);
  251 int     kern_sched_rr_get_interval_td(struct thread *td, struct thread *targettd,
  252             struct timespec *ts);
  253 int     kern_semctl(struct thread *td, int semid, int semnum, int cmd,
  254             union semun *arg, register_t *rval);
  255 int     kern_select(struct thread *td, int nd, fd_set *fd_in, fd_set *fd_ou,
  256             fd_set *fd_ex, struct timeval *tvp, int abi_nfdbits);
  257 int     kern_sendit(struct thread *td, int s, struct msghdr *mp, int flags,
  258             struct mbuf *control, enum uio_seg segflg);
  259 int     kern_setgroups(struct thread *td, u_int ngrp, gid_t *groups);
  260 int     kern_setitimer(struct thread *, u_int, struct itimerval *,
  261             struct itimerval *);
  262 int     kern_setrlimit(struct thread *, u_int, struct rlimit *);
  263 int     kern_setsockopt(struct thread *td, int s, int level, int name,
  264             void *optval, enum uio_seg valseg, socklen_t valsize);
  265 int     kern_settimeofday(struct thread *td, struct timeval *tv,
  266             struct timezone *tzp);
  267 int     kern_shm_open(struct thread *td, const char *userpath, int flags,
  268             mode_t mode, struct filecaps *fcaps);
  269 int     kern_shmat(struct thread *td, int shmid, const void *shmaddr,
  270             int shmflg);
  271 int     kern_shmctl(struct thread *td, int shmid, int cmd, void *buf,
  272             size_t *bufsz);
  273 int     kern_shutdown(struct thread *td, int s, int how);
  274 int     kern_sigaction(struct thread *td, int sig, const struct sigaction *act,
  275             struct sigaction *oact, int flags);
  276 int     kern_sigaltstack(struct thread *td, stack_t *ss, stack_t *oss);
  277 int     kern_sigprocmask(struct thread *td, int how,
  278             sigset_t *set, sigset_t *oset, int flags);
  279 int     kern_sigsuspend(struct thread *td, sigset_t mask);
  280 int     kern_sigtimedwait(struct thread *td, sigset_t waitset,
  281             struct ksiginfo *ksi, struct timespec *timeout);
  282 int     kern_sigqueue(struct thread *td, pid_t pid, int signum,
  283             union sigval *value);
  284 int     kern_socket(struct thread *td, int domain, int type, int protocol);
  285 int     kern_statat(struct thread *td, int flag, int fd, char *path,
  286             enum uio_seg pathseg, struct stat *sbp,
  287             void (*hook)(struct vnode *vp, struct stat *sbp));
  288 int     kern_statfs(struct thread *td, char *path, enum uio_seg pathseg,
  289             struct statfs *buf);
  290 int     kern_symlinkat(struct thread *td, char *path1, int fd, char *path2,
  291             enum uio_seg segflg);
  292 int     kern_ktimer_create(struct thread *td, clockid_t clock_id,
  293             struct sigevent *evp, int *timerid, int preset_id);
  294 int     kern_ktimer_delete(struct thread *, int);
  295 int     kern_ktimer_settime(struct thread *td, int timer_id, int flags,
  296             struct itimerspec *val, struct itimerspec *oval);
  297 int     kern_ktimer_gettime(struct thread *td, int timer_id,
  298             struct itimerspec *val);
  299 int     kern_ktimer_getoverrun(struct thread *td, int timer_id);
  300 int     kern_thr_alloc(struct proc *, int pages, struct thread **);
  301 int     kern_thr_exit(struct thread *td);
  302 int     kern_thr_new(struct thread *td, struct thr_param *param);
  303 int     kern_thr_suspend(struct thread *td, struct timespec *tsp);
  304 int     kern_truncate(struct thread *td, char *path, enum uio_seg pathseg,
  305             off_t length);
  306 int     kern_unlinkat(struct thread *td, int fd, char *path,
  307             enum uio_seg pathseg, int flag, ino_t oldinum);
  308 int     kern_utimesat(struct thread *td, int fd, char *path,
  309             enum uio_seg pathseg, struct timeval *tptr, enum uio_seg tptrseg);
  310 int     kern_utimensat(struct thread *td, int fd, char *path,
  311             enum uio_seg pathseg, struct timespec *tptr, enum uio_seg tptrseg,
  312             int follow);
  313 int     kern_wait(struct thread *td, pid_t pid, int *status, int options,
  314             struct rusage *rup);
  315 int     kern_wait6(struct thread *td, enum idtype idtype, id_t id, int *status,
  316             int options, struct __wrusage *wrup, siginfo_t *sip);
  317 int     kern_writev(struct thread *td, int fd, struct uio *auio);
  318 int     kern_socketpair(struct thread *td, int domain, int type, int protocol,
  319             int *rsv);
  320 
  321 /* flags for kern_sigaction */
  322 #define KSA_OSIGSET     0x0001  /* uses osigact_t */
  323 #define KSA_FREEBSD4    0x0002  /* uses ucontext4 */
  324 
  325 struct freebsd11_dirent;
  326 
  327 int     freebsd11_kern_getdirentries(struct thread *td, int fd, char *ubuf, u_int
  328             count, long *basep, void (*func)(struct freebsd11_dirent *));
  329 
  330 #endif /* !_SYS_SYSCALLSUBR_H_ */

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