2 * Copyright (c) 1998 Mark Newton
3 * Copyright (c) 1994 Christos Zoulas
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
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 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 * SVR4 compatibility module.
31 * SVR4 system calls that are implemented differently in BSD are
35 #include <sys/cdefs.h>
36 __FBSDID("$FreeBSD$");
38 #include <sys/param.h>
39 #include <sys/systm.h>
40 #include <sys/capsicum.h>
41 #include <sys/dirent.h>
42 #include <sys/fcntl.h>
43 #include <sys/filedesc.h>
44 #include <sys/imgact.h>
45 #include <sys/kernel.h>
47 #include <sys/malloc.h>
48 #include <sys/file.h> /* Must come after sys/malloc.h */
50 #include <sys/mount.h>
52 #include <sys/mutex.h>
53 #include <sys/namei.h>
56 #include <sys/ptrace.h>
57 #include <sys/resource.h>
58 #include <sys/resourcevar.h>
60 #include <sys/signalvar.h>
63 #include <sys/syscallsubr.h>
64 #include <sys/sysproto.h>
66 #include <sys/times.h>
68 #include <sys/vnode.h>
71 #include <compat/svr4/svr4.h>
72 #include <compat/svr4/svr4_types.h>
73 #include <compat/svr4/svr4_signal.h>
74 #include <compat/svr4/svr4_proto.h>
75 #include <compat/svr4/svr4_util.h>
76 #include <compat/svr4/svr4_sysconfig.h>
77 #include <compat/svr4/svr4_dirent.h>
78 #include <compat/svr4/svr4_acl.h>
79 #include <compat/svr4/svr4_ulimit.h>
80 #include <compat/svr4/svr4_statvfs.h>
81 #include <compat/svr4/svr4_hrt.h>
82 #include <compat/svr4/svr4_mman.h>
83 #include <compat/svr4/svr4_wait.h>
85 #include <security/mac/mac_framework.h>
87 #include <machine/vmparam.h>
89 #include <vm/vm_param.h>
90 #include <vm/vm_map.h>
91 #if defined(__FreeBSD__)
93 #include <vm/vm_extern.h>
98 # include <uvm/uvm_extern.h>
102 #define BSD_DIRENT(cp) ((struct dirent *)(cp))
104 static int svr4_mknod(struct thread *, register_t *, char *,
105 svr4_mode_t, svr4_dev_t);
107 static __inline clock_t timeval_to_clock_t(struct timeval *);
108 static int svr4_setinfo (pid_t , struct rusage *, int, svr4_siginfo_t *);
110 struct svr4_hrtcntl_args;
111 static int svr4_hrtcntl (struct thread *, struct svr4_hrtcntl_args *,
113 static void bsd_statfs_to_svr4_statvfs(const struct statfs *,
114 struct svr4_statvfs *);
115 static void bsd_statfs_to_svr4_statvfs64(const struct statfs *,
116 struct svr4_statvfs64 *);
117 static struct proc *svr4_pfind(pid_t pid);
122 svr4_sys_setitimer(td, uap)
124 struct svr4_sys_setitimer_args *uap;
126 td->td_retval[0] = 0;
132 svr4_sys_wait(td, uap)
134 struct svr4_sys_wait_args *uap;
138 error = kern_wait(td, WAIT_ANY, &st, 0, NULL);
142 if (WIFSIGNALED(st)) {
144 if (sig >= 0 && sig < NSIG)
145 st = (st & ~0177) | SVR4_BSD2SVR4_SIG(sig);
146 } else if (WIFSTOPPED(st)) {
148 if (sig >= 0 && sig < NSIG)
149 st = (st & ~0xff00) | (SVR4_BSD2SVR4_SIG(sig) << 8);
153 * It looks like wait(2) on svr4/solaris/2.4 returns
154 * the status in retval[1], and the pid on retval[0].
156 td->td_retval[1] = st;
159 error = copyout(&st, uap->status, sizeof(st));
165 svr4_sys_execv(td, uap)
167 struct svr4_sys_execv_args *uap;
169 struct image_args eargs;
170 struct vmspace *oldvmspace;
174 CHECKALTEXIST(td, uap->path, &path);
176 error = pre_execve(td, &oldvmspace);
181 error = exec_copyin_args(&eargs, path, UIO_SYSSPACE, uap->argp, NULL);
184 error = kern_execve(td, &eargs, NULL);
185 post_execve(td, error, oldvmspace);
190 svr4_sys_execve(td, uap)
192 struct svr4_sys_execve_args *uap;
194 struct image_args eargs;
195 struct vmspace *oldvmspace;
199 CHECKALTEXIST(td, uap->path, &path);
201 error = pre_execve(td, &oldvmspace);
206 error = exec_copyin_args(&eargs, path, UIO_SYSSPACE, uap->argp,
210 error = kern_execve(td, &eargs, NULL);
211 post_execve(td, error, oldvmspace);
218 struct svr4_sys_time_args *v;
220 struct svr4_sys_time_args *uap = v;
226 error = copyout(&tv.tv_sec, uap->t,
228 td->td_retval[0] = (int) tv.tv_sec;
235 * Read SVR4-style directory entries. We suck them into kernel space so
236 * that they can be massaged before being copied out to user code.
238 * This code is ported from the Linux emulator: Changes to the VFS interface
239 * between FreeBSD and NetBSD have made it simpler to port it from there than
240 * to adapt the NetBSD version.
243 svr4_sys_getdents64(td, uap)
245 struct svr4_sys_getdents64_args *uap;
249 caddr_t inp, buf; /* BSD-format */
250 int len, reclen; /* BSD-format */
251 caddr_t outp; /* SVR4-format */
252 int resid, svr4reclen=0; /* SVR4-format */
258 struct svr4_dirent64 svr4_dirent;
259 int buflen, error, eofflag, nbytes, justone;
260 u_long *cookies = NULL, *cookiep;
263 memset(&svr4_dirent, 0, sizeof(svr4_dirent));
264 DPRINTF(("svr4_sys_getdents64(%d, *, %d)\n",
265 uap->fd, uap->nbytes));
266 error = getvnode(td->td_proc->p_fd, uap->fd,
267 cap_rights_init(&rights, CAP_READ), &fp);
271 if ((fp->f_flag & FREAD) == 0) {
277 if (vp->v_type != VDIR) {
282 nbytes = uap->nbytes;
284 nbytes = sizeof (struct svr4_dirent64);
291 #define DIRBLKSIZ 512 /* XXX we used to use ufs's DIRBLKSIZ */
292 buflen = max(DIRBLKSIZ, nbytes);
293 buflen = min(buflen, MAXBSIZE);
294 buf = malloc(buflen, M_TEMP, M_WAITOK);
295 vn_lock(vp, LK_SHARED | LK_RETRY);
298 aiov.iov_len = buflen;
299 auio.uio_iov = &aiov;
301 auio.uio_rw = UIO_READ;
302 auio.uio_segflg = UIO_SYSSPACE;
304 auio.uio_resid = buflen;
305 auio.uio_offset = off;
308 free(cookies, M_TEMP);
313 error = mac_vnode_check_readdir(td->td_ucred, vp);
318 error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag,
319 &ncookies, &cookies);
325 outp = (caddr_t) uap->dp;
327 if ((len = buflen - auio.uio_resid) <= 0) {
335 * When using cookies, the vfs has the option of reading from
336 * a different offset than that supplied (UFS truncates the
337 * offset to a block boundary to make sure that it never reads
338 * partway through a directory entry, even if the directory
339 * has been compacted).
341 while (len > 0 && ncookies > 0 && *cookiep <= off) {
342 bdp = (struct dirent *) inp;
343 len -= bdp->d_reclen;
344 inp += bdp->d_reclen;
351 if (cookiep && ncookies == 0)
353 bdp = (struct dirent *) inp;
354 reclen = bdp->d_reclen;
356 DPRINTF(("svr4_readdir: reclen=%d\n", reclen));
361 if (bdp->d_fileno == 0) {
371 svr4reclen = SVR4_RECLEN(&svr4_dirent, bdp->d_namlen);
372 if (reclen > len || resid < svr4reclen) {
376 svr4_dirent.d_ino = (long) bdp->d_fileno;
379 * old svr4-style readdir usage.
381 svr4_dirent.d_off = (svr4_off_t) svr4reclen;
382 svr4_dirent.d_reclen = (u_short) bdp->d_namlen;
384 svr4_dirent.d_off = (svr4_off_t)(off + reclen);
385 svr4_dirent.d_reclen = (u_short) svr4reclen;
387 strlcpy(svr4_dirent.d_name, bdp->d_name, sizeof(svr4_dirent.d_name));
388 if ((error = copyout((caddr_t)&svr4_dirent, outp, svr4reclen)))
403 if (outp == (caddr_t) uap->dp)
408 nbytes = resid + svr4reclen;
411 td->td_retval[0] = nbytes - resid;
416 free(cookies, M_TEMP);
423 svr4_sys_getdents(td, uap)
425 struct svr4_sys_getdents_args *uap;
429 caddr_t inp, buf; /* BSD-format */
430 int len, reclen; /* BSD-format */
431 caddr_t outp; /* SVR4-format */
432 int resid, svr4_reclen; /* SVR4-format */
437 struct svr4_dirent idb;
438 off_t off; /* true file offset */
439 int buflen, error, eofflag;
440 u_long *cookiebuf = NULL, *cookie;
441 int ncookies = 0, *retval = td->td_retval;
446 error = getvnode(td->td_proc->p_fd, uap->fd,
447 cap_rights_init(&rights, CAP_READ), &fp);
451 if ((fp->f_flag & FREAD) == 0) {
457 if (vp->v_type != VDIR) {
462 buflen = min(MAXBSIZE, uap->nbytes);
463 buf = malloc(buflen, M_TEMP, M_WAITOK);
464 vn_lock(vp, LK_SHARED | LK_RETRY);
468 aiov.iov_len = buflen;
469 auio.uio_iov = &aiov;
471 auio.uio_rw = UIO_READ;
472 auio.uio_segflg = UIO_SYSSPACE;
474 auio.uio_resid = buflen;
475 auio.uio_offset = off;
478 error = mac_vnode_check_readdir(td->td_ucred, vp);
484 * First we read into the malloc'ed buffer, then
485 * we massage it into user space, one record at a time.
487 error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, &ncookies,
496 if ((len = buflen - auio.uio_resid) == 0)
499 for (cookie = cookiebuf; len > 0; len -= reclen) {
500 bdp = (struct dirent *)inp;
501 reclen = bdp->d_reclen;
503 panic("svr4_sys_getdents64: bad reclen");
505 off = *cookie++; /* each entry points to the next */
508 if ((off >> 32) != 0) {
509 uprintf("svr4_sys_getdents64: dir offset too large for emulated program");
513 if (bdp->d_fileno == 0) {
514 inp += reclen; /* it is a hole; squish it out */
517 svr4_reclen = SVR4_RECLEN(&idb, bdp->d_namlen);
518 if (reclen > len || resid < svr4_reclen) {
519 /* entry too big for buffer, so just stop */
524 * Massage in place to make a SVR4-shaped dirent (otherwise
525 * we have to worry about touching user memory outside of
526 * the copyout() call).
528 idb.d_ino = (svr4_ino_t)bdp->d_fileno;
529 idb.d_off = (svr4_off_t)off;
530 idb.d_reclen = (u_short)svr4_reclen;
531 strlcpy(idb.d_name, bdp->d_name, sizeof(idb.d_name));
532 if ((error = copyout((caddr_t)&idb, outp, svr4_reclen)))
534 /* advance past this real entry */
536 /* advance output past SVR4-shaped entry */
538 resid -= svr4_reclen;
541 /* if we squished out the whole block, try again */
542 if (outp == uap->buf)
544 fp->f_offset = off; /* update the vnode offset */
547 *retval = uap->nbytes - resid;
552 free(cookiebuf, M_TEMP);
559 svr4_sys_mmap(td, uap)
561 struct svr4_sys_mmap_args *uap;
566 retval = td->td_retval;
567 #define _MAP_NEW 0x80000000
569 * Verify the arguments.
571 if (uap->prot & ~(PROT_READ | PROT_WRITE | PROT_EXEC))
572 return EINVAL; /* XXX still needed? */
579 mm.flags = uap->flags & ~_MAP_NEW;
584 return sys_mmap(td, &mm);
588 svr4_sys_mmap64(td, uap)
590 struct svr4_sys_mmap64_args *uap;
595 #define _MAP_NEW 0x80000000
597 * Verify the arguments.
599 if (uap->prot & ~(PROT_READ | PROT_WRITE | PROT_EXEC))
600 return EINVAL; /* XXX still needed? */
607 mm.flags = uap->flags & ~_MAP_NEW;
612 rp = (void *) round_page((vm_offset_t)(td->td_proc->p_vmspace->vm_daddr + maxdsiz));
613 if ((mm.flags & MAP_FIXED) == 0 &&
614 mm.addr != 0 && (void *)mm.addr < rp)
617 return sys_mmap(td, &mm);
622 svr4_sys_fchroot(td, uap)
624 struct svr4_sys_fchroot_args *uap;
626 struct filedesc *fdp = td->td_proc->p_fd;
631 if ((error = priv_check(td, PRIV_VFS_FCHROOT)) != 0)
633 /* XXX: we have the chroot priv... what cap might we need? all? */
634 if ((error = getvnode(fdp, uap->fd, 0, &fp)) != 0)
639 vn_lock(vp, LK_EXCLUSIVE | LK_RETRY);
640 error = change_dir(vp, td);
644 error = mac_vnode_check_chroot(td->td_ucred, vp);
649 error = change_root(vp, td);
659 svr4_mknod(td, retval, path, mode, dev)
669 CHECKALTEXIST(td, path, &newpath);
672 error = kern_mkfifo(td, newpath, UIO_SYSSPACE, mode);
674 error = kern_mknod(td, newpath, UIO_SYSSPACE, mode, dev);
675 free(newpath, M_TEMP);
681 svr4_sys_mknod(td, uap)
683 struct svr4_sys_mknod_args *uap;
685 int *retval = td->td_retval;
686 return svr4_mknod(td, retval,
687 uap->path, uap->mode,
688 (svr4_dev_t)svr4_to_bsd_odev_t(uap->dev));
693 svr4_sys_xmknod(td, uap)
695 struct svr4_sys_xmknod_args *uap;
697 int *retval = td->td_retval;
698 return svr4_mknod(td, retval,
699 uap->path, uap->mode,
700 (svr4_dev_t)svr4_to_bsd_dev_t(uap->dev));
705 svr4_sys_vhangup(td, uap)
707 struct svr4_sys_vhangup_args *uap;
714 svr4_sys_sysconfig(td, uap)
716 struct svr4_sys_sysconfig_args *uap;
720 retval = &(td->td_retval[0]);
723 case SVR4_CONFIG_NGROUPS:
724 *retval = ngroups_max;
726 case SVR4_CONFIG_CHILD_MAX:
729 case SVR4_CONFIG_OPEN_FILES:
732 case SVR4_CONFIG_POSIX_VER:
735 case SVR4_CONFIG_PAGESIZE:
738 case SVR4_CONFIG_CLK_TCK:
739 *retval = 60; /* should this be `hz', ie. 100? */
741 case SVR4_CONFIG_XOPEN_VER:
742 *retval = 2; /* XXX: What should that be? */
744 case SVR4_CONFIG_PROF_TCK:
745 *retval = 60; /* XXX: What should that be? */
747 case SVR4_CONFIG_NPROC_CONF:
748 *retval = 1; /* Only one processor for now */
750 case SVR4_CONFIG_NPROC_ONLN:
751 *retval = 1; /* And it better be online */
753 case SVR4_CONFIG_AIO_LISTIO_MAX:
754 case SVR4_CONFIG_AIO_MAX:
755 case SVR4_CONFIG_AIO_PRIO_DELTA_MAX:
756 *retval = 0; /* No aio support */
758 case SVR4_CONFIG_DELAYTIMER_MAX:
759 *retval = 0; /* No delaytimer support */
761 case SVR4_CONFIG_MQ_OPEN_MAX:
762 *retval = msginfo.msgmni;
764 case SVR4_CONFIG_MQ_PRIO_MAX:
765 *retval = 0; /* XXX: Don't know */
767 case SVR4_CONFIG_RTSIG_MAX:
770 case SVR4_CONFIG_SEM_NSEMS_MAX:
771 *retval = seminfo.semmni;
773 case SVR4_CONFIG_SEM_VALUE_MAX:
774 *retval = seminfo.semvmx;
776 case SVR4_CONFIG_SIGQUEUE_MAX:
777 *retval = 0; /* XXX: Don't know */
779 case SVR4_CONFIG_SIGRT_MIN:
780 case SVR4_CONFIG_SIGRT_MAX:
781 *retval = 0; /* No real time signals */
783 case SVR4_CONFIG_TIMER_MAX:
784 *retval = 3; /* XXX: real, virtual, profiling */
787 case SVR4_CONFIG_PHYS_PAGES:
789 *retval = uvmexp.free; /* XXX: free instead of total */
791 *retval = cnt.v_free_count; /* XXX: free instead of total */
794 case SVR4_CONFIG_AVPHYS_PAGES:
796 *retval = uvmexp.active; /* XXX: active instead of avg */
798 *retval = cnt.v_active_count; /* XXX: active instead of avg */
802 case SVR4_CONFIG_COHERENCY:
803 *retval = 0; /* XXX */
805 case SVR4_CONFIG_SPLIT_CACHE:
806 *retval = 0; /* XXX */
808 case SVR4_CONFIG_ICACHESZ:
809 *retval = 256; /* XXX */
811 case SVR4_CONFIG_DCACHESZ:
812 *retval = 256; /* XXX */
814 case SVR4_CONFIG_ICACHELINESZ:
815 *retval = 64; /* XXX */
817 case SVR4_CONFIG_DCACHELINESZ:
818 *retval = 64; /* XXX */
820 case SVR4_CONFIG_ICACHEBLKSZ:
821 *retval = 64; /* XXX */
823 case SVR4_CONFIG_DCACHEBLKSZ:
824 *retval = 64; /* XXX */
826 case SVR4_CONFIG_DCACHETBLKSZ:
827 *retval = 64; /* XXX */
829 case SVR4_CONFIG_ICACHE_ASSOC:
830 *retval = 1; /* XXX */
832 case SVR4_CONFIG_DCACHE_ASSOC:
833 *retval = 1; /* XXX */
835 case SVR4_CONFIG_MAXPID:
838 case SVR4_CONFIG_STACK_PROT:
839 *retval = PROT_READ|PROT_WRITE|PROT_EXEC;
849 svr4_sys_break(td, uap)
851 struct svr4_sys_break_args *uap;
853 struct obreak_args ap;
855 ap.nsize = uap->nsize;
856 return (sys_obreak(td, &ap));
859 static __inline clock_t
860 timeval_to_clock_t(tv)
863 return tv->tv_sec * hz + tv->tv_usec / (1000000 / hz);
868 svr4_sys_times(td, uap)
870 struct svr4_sys_times_args *uap;
872 struct timeval tv, utime, stime, cutime, cstime;
880 calcru(p, &utime, &stime);
882 calccru(p, &cutime, &cstime);
885 tms.tms_utime = timeval_to_clock_t(&utime);
886 tms.tms_stime = timeval_to_clock_t(&stime);
888 tms.tms_cutime = timeval_to_clock_t(&cutime);
889 tms.tms_cstime = timeval_to_clock_t(&cstime);
891 error = copyout(&tms, uap->tp, sizeof(tms));
896 td->td_retval[0] = (int)timeval_to_clock_t(&tv);
902 svr4_sys_ulimit(td, uap)
904 struct svr4_sys_ulimit_args *uap;
906 int *retval = td->td_retval;
911 PROC_LOCK(td->td_proc);
912 *retval = lim_cur(td->td_proc, RLIMIT_FSIZE) / 512;
913 PROC_UNLOCK(td->td_proc);
915 *retval = 0x7fffffff;
922 krl.rlim_cur = uap->newlimit * 512;
923 PROC_LOCK(td->td_proc);
924 krl.rlim_max = lim_max(td->td_proc, RLIMIT_FSIZE);
925 PROC_UNLOCK(td->td_proc);
927 error = kern_setrlimit(td, RLIMIT_FSIZE, &krl);
931 PROC_LOCK(td->td_proc);
932 *retval = lim_cur(td->td_proc, RLIMIT_FSIZE);
933 PROC_UNLOCK(td->td_proc);
935 *retval = 0x7fffffff;
941 struct vmspace *vm = td->td_proc->p_vmspace;
944 PROC_LOCK(td->td_proc);
945 r = lim_cur(td->td_proc, RLIMIT_DATA);
946 PROC_UNLOCK(td->td_proc);
950 r += (long) vm->vm_daddr;
958 PROC_LOCK(td->td_proc);
959 *retval = lim_cur(td->td_proc, RLIMIT_NOFILE);
960 PROC_UNLOCK(td->td_proc);
962 *retval = 0x7fffffff;
976 /* look in the live processes */
977 if ((p = pfind(pid)) == NULL)
978 /* look in the zombies */
986 svr4_sys_pgrpsys(td, uap)
988 struct svr4_sys_pgrpsys_args *uap;
990 int *retval = td->td_retval;
991 struct proc *p = td->td_proc;
994 case 1: /* setpgrp() */
996 * SVR4 setpgrp() (which takes no arguments) has the
997 * semantics that the session ID is also created anew, so
998 * in almost every sense, setpgrp() is identical to
999 * setsid() for SVR4. (Under BSD, the difference is that
1000 * a setpgid(0,0) will not create a new session.)
1002 sys_setsid(td, NULL);
1005 case 0: /* getpgrp() */
1007 *retval = p->p_pgrp->pg_id;
1011 case 2: /* getsid(pid) */
1014 else if ((p = svr4_pfind(uap->pid)) == NULL)
1017 * This has already been initialized to the pid of
1018 * the session leader.
1020 *retval = (register_t) p->p_session->s_sid;
1024 case 3: /* setsid() */
1025 return sys_setsid(td, NULL);
1027 case 4: /* getpgid(pid) */
1031 else if ((p = svr4_pfind(uap->pid)) == NULL)
1034 *retval = (int) p->p_pgrp->pg_id;
1038 case 5: /* setpgid(pid, pgid); */
1040 struct setpgid_args sa;
1043 sa.pgid = uap->pgid;
1044 return sys_setpgid(td, &sa);
1052 struct svr4_hrtcntl_args {
1056 svr4_hrt_interval_t * iv;
1057 svr4_hrt_time_t * ti;
1062 svr4_hrtcntl(td, uap, retval)
1064 struct svr4_hrtcntl_args *uap;
1068 case SVR4_HRT_CNTL_RES:
1069 DPRINTF(("htrcntl(RES)\n"));
1070 *retval = SVR4_HRT_USEC;
1073 case SVR4_HRT_CNTL_TOFD:
1074 DPRINTF(("htrcntl(TOFD)\n"));
1078 if (uap->clk != SVR4_HRT_CLK_STD) {
1079 DPRINTF(("clk == %d\n", uap->clk));
1082 if (uap->ti == NULL) {
1083 DPRINTF(("ti NULL\n"));
1087 t.h_sec = tv.tv_sec;
1088 t.h_rem = tv.tv_usec;
1089 t.h_res = SVR4_HRT_USEC;
1090 return copyout(&t, uap->ti, sizeof(t));
1093 case SVR4_HRT_CNTL_START:
1094 DPRINTF(("htrcntl(START)\n"));
1097 case SVR4_HRT_CNTL_GET:
1098 DPRINTF(("htrcntl(GET)\n"));
1101 DPRINTF(("Bad htrcntl command %d\n", uap->fun));
1108 svr4_sys_hrtsys(td, uap)
1110 struct svr4_sys_hrtsys_args *uap;
1112 int *retval = td->td_retval;
1116 return svr4_hrtcntl(td, (struct svr4_hrtcntl_args *) uap,
1120 DPRINTF(("hrtalarm\n"));
1124 DPRINTF(("hrtsleep\n"));
1128 DPRINTF(("hrtcancel\n"));
1132 DPRINTF(("Bad hrtsys command %d\n", uap->cmd));
1139 svr4_setinfo(pid, ru, st, s)
1148 memset(&i, 0, sizeof(i));
1150 i.svr4_si_signo = SVR4_SIGCHLD;
1151 i.svr4_si_errno = 0; /* XXX? */
1153 i.svr4_si_pid = pid;
1155 i.svr4_si_stime = ru->ru_stime.tv_sec;
1156 i.svr4_si_utime = ru->ru_utime.tv_sec;
1159 if (WIFEXITED(st)) {
1160 i.svr4_si_status = WEXITSTATUS(st);
1161 i.svr4_si_code = SVR4_CLD_EXITED;
1162 } else if (WIFSTOPPED(st)) {
1164 if (sig >= 0 && sig < NSIG)
1165 i.svr4_si_status = SVR4_BSD2SVR4_SIG(sig);
1167 if (i.svr4_si_status == SVR4_SIGCONT)
1168 i.svr4_si_code = SVR4_CLD_CONTINUED;
1170 i.svr4_si_code = SVR4_CLD_STOPPED;
1173 if (sig >= 0 && sig < NSIG)
1174 i.svr4_si_status = SVR4_BSD2SVR4_SIG(sig);
1177 i.svr4_si_code = SVR4_CLD_DUMPED;
1179 i.svr4_si_code = SVR4_CLD_KILLED;
1182 DPRINTF(("siginfo [pid %ld signo %d code %d errno %d status %d]\n",
1183 i.svr4_si_pid, i.svr4_si_signo, i.svr4_si_code, i.svr4_si_errno,
1186 return copyout(&i, s, sizeof(i));
1191 svr4_sys_waitsys(td, uap)
1193 struct svr4_sys_waitsys_args *uap;
1198 int error, *retval = td->td_retval;
1201 DPRINTF(("waitsys(%d, %d, %p, %x)\n",
1203 uap->info, uap->options));
1225 /* Hand off the easy cases to kern_wait(). */
1226 if (!(uap->options & (SVR4_WNOWAIT)) &&
1227 (uap->options & (SVR4_WEXITED | SVR4_WTRAPPED))) {
1231 if (uap->options & SVR4_WSTOPPED)
1232 options |= WUNTRACED;
1233 if (uap->options & SVR4_WCONTINUED)
1234 options |= WCONTINUED;
1235 if (uap->options & SVR4_WNOHANG)
1238 error = kern_wait(td, pid, &status, options, &ru);
1241 if (uap->options & SVR4_WNOHANG && *retval == 0)
1242 error = svr4_setinfo(*retval, NULL, 0, uap->info);
1244 error = svr4_setinfo(*retval, &ru, status, uap->info);
1250 * Ok, handle the weird cases. Either WNOWAIT is set (meaning we
1251 * just want to see if there is a process to harvest, we don't
1252 * want to actually harvest it), or WEXIT and WTRAPPED are clear
1253 * meaning we want to ignore zombies. Either way, we don't have
1254 * to handle harvesting zombies here. We do have to duplicate the
1255 * other portions of kern_wait() though, especially for WCONTINUED
1260 sx_slock(&proctree_lock);
1261 LIST_FOREACH(p, &q->p_children, p_sibling) {
1263 if (pid != WAIT_ANY &&
1264 p->p_pid != pid && p->p_pgid != -pid) {
1266 DPRINTF(("pid %d pgid %d != %d\n", p->p_pid,
1270 if (p_canwait(td, p)) {
1279 * See if we have a zombie. If so, WNOWAIT should be set,
1280 * as otherwise we should have called kern_wait() up above.
1282 if ((p->p_state == PRS_ZOMBIE) &&
1283 ((uap->options & (SVR4_WEXITED|SVR4_WTRAPPED)))) {
1285 KASSERT(uap->options & SVR4_WNOWAIT,
1286 ("WNOWAIT is clear"));
1288 /* Found a zombie, so cache info in local variables. */
1290 status = p->p_xstat;
1293 calcru(p, &ru.ru_utime, &ru.ru_stime);
1296 sx_sunlock(&proctree_lock);
1298 /* Copy the info out to userland. */
1300 DPRINTF(("found %d\n", pid));
1301 return (svr4_setinfo(pid, &ru, status, uap->info));
1305 * See if we have a stopped or continued process.
1306 * XXX: This duplicates the same code in kern_wait().
1308 if ((p->p_flag & P_STOPPED_SIG) &&
1309 (p->p_suspcount == p->p_numthreads) &&
1310 (p->p_flag & P_WAITED) == 0 &&
1311 (p->p_flag & P_TRACED || uap->options & SVR4_WSTOPPED)) {
1313 if (((uap->options & SVR4_WNOWAIT)) == 0)
1314 p->p_flag |= P_WAITED;
1315 sx_sunlock(&proctree_lock);
1317 status = W_STOPCODE(p->p_xstat);
1320 calcru(p, &ru.ru_utime, &ru.ru_stime);
1324 if (((uap->options & SVR4_WNOWAIT)) == 0) {
1326 sigqueue_take(p->p_ksi);
1331 DPRINTF(("jobcontrol %d\n", pid));
1332 return (svr4_setinfo(pid, &ru, status, uap->info));
1335 if (uap->options & SVR4_WCONTINUED &&
1336 (p->p_flag & P_CONTINUED)) {
1337 sx_sunlock(&proctree_lock);
1338 if (((uap->options & SVR4_WNOWAIT)) == 0)
1339 p->p_flag &= ~P_CONTINUED;
1344 calcru(p, &ru.ru_utime, &ru.ru_stime);
1348 if (((uap->options & SVR4_WNOWAIT)) == 0) {
1350 sigqueue_take(p->p_ksi);
1355 DPRINTF(("jobcontrol %d\n", pid));
1356 return (svr4_setinfo(pid, &ru, status, uap->info));
1362 sx_sunlock(&proctree_lock);
1366 if (uap->options & SVR4_WNOHANG) {
1367 sx_sunlock(&proctree_lock);
1369 return (svr4_setinfo(0, NULL, 0, uap->info));
1373 sx_sunlock(&proctree_lock);
1374 if (q->p_flag & P_STATCHILD) {
1375 q->p_flag &= ~P_STATCHILD;
1378 error = msleep(q, &q->p_mtx, PWAIT | PCATCH, "svr4_wait", 0);
1387 bsd_statfs_to_svr4_statvfs(bfs, sfs)
1388 const struct statfs *bfs;
1389 struct svr4_statvfs *sfs;
1391 sfs->f_bsize = bfs->f_iosize; /* XXX */
1392 sfs->f_frsize = bfs->f_bsize;
1393 sfs->f_blocks = bfs->f_blocks;
1394 sfs->f_bfree = bfs->f_bfree;
1395 sfs->f_bavail = bfs->f_bavail;
1396 sfs->f_files = bfs->f_files;
1397 sfs->f_ffree = bfs->f_ffree;
1398 sfs->f_favail = bfs->f_ffree;
1399 sfs->f_fsid = bfs->f_fsid.val[0];
1400 memcpy(sfs->f_basetype, bfs->f_fstypename, sizeof(sfs->f_basetype));
1402 if (bfs->f_flags & MNT_RDONLY)
1403 sfs->f_flag |= SVR4_ST_RDONLY;
1404 if (bfs->f_flags & MNT_NOSUID)
1405 sfs->f_flag |= SVR4_ST_NOSUID;
1406 sfs->f_namemax = MAXNAMLEN;
1407 memcpy(sfs->f_fstr, bfs->f_fstypename, sizeof(sfs->f_fstr)); /* XXX */
1408 memset(sfs->f_filler, 0, sizeof(sfs->f_filler));
1413 bsd_statfs_to_svr4_statvfs64(bfs, sfs)
1414 const struct statfs *bfs;
1415 struct svr4_statvfs64 *sfs;
1417 sfs->f_bsize = bfs->f_iosize; /* XXX */
1418 sfs->f_frsize = bfs->f_bsize;
1419 sfs->f_blocks = bfs->f_blocks;
1420 sfs->f_bfree = bfs->f_bfree;
1421 sfs->f_bavail = bfs->f_bavail;
1422 sfs->f_files = bfs->f_files;
1423 sfs->f_ffree = bfs->f_ffree;
1424 sfs->f_favail = bfs->f_ffree;
1425 sfs->f_fsid = bfs->f_fsid.val[0];
1426 memcpy(sfs->f_basetype, bfs->f_fstypename, sizeof(sfs->f_basetype));
1428 if (bfs->f_flags & MNT_RDONLY)
1429 sfs->f_flag |= SVR4_ST_RDONLY;
1430 if (bfs->f_flags & MNT_NOSUID)
1431 sfs->f_flag |= SVR4_ST_NOSUID;
1432 sfs->f_namemax = MAXNAMLEN;
1433 memcpy(sfs->f_fstr, bfs->f_fstypename, sizeof(sfs->f_fstr)); /* XXX */
1434 memset(sfs->f_filler, 0, sizeof(sfs->f_filler));
1439 svr4_sys_statvfs(td, uap)
1441 struct svr4_sys_statvfs_args *uap;
1443 struct svr4_statvfs sfs;
1448 CHECKALTEXIST(td, uap->path, &path);
1450 error = kern_statfs(td, path, UIO_SYSSPACE, &bfs);
1454 bsd_statfs_to_svr4_statvfs(&bfs, &sfs);
1455 return copyout(&sfs, uap->fs, sizeof(sfs));
1460 svr4_sys_fstatvfs(td, uap)
1462 struct svr4_sys_fstatvfs_args *uap;
1464 struct svr4_statvfs sfs;
1468 error = kern_fstatfs(td, uap->fd, &bfs);
1471 bsd_statfs_to_svr4_statvfs(&bfs, &sfs);
1472 return copyout(&sfs, uap->fs, sizeof(sfs));
1477 svr4_sys_statvfs64(td, uap)
1479 struct svr4_sys_statvfs64_args *uap;
1481 struct svr4_statvfs64 sfs;
1486 CHECKALTEXIST(td, uap->path, &path);
1488 error = kern_statfs(td, path, UIO_SYSSPACE, &bfs);
1492 bsd_statfs_to_svr4_statvfs64(&bfs, &sfs);
1493 return copyout(&sfs, uap->fs, sizeof(sfs));
1498 svr4_sys_fstatvfs64(td, uap)
1500 struct svr4_sys_fstatvfs64_args *uap;
1502 struct svr4_statvfs64 sfs;
1506 error = kern_fstatfs(td, uap->fd, &bfs);
1509 bsd_statfs_to_svr4_statvfs64(&bfs, &sfs);
1510 return copyout(&sfs, uap->fs, sizeof(sfs));
1514 svr4_sys_alarm(td, uap)
1516 struct svr4_sys_alarm_args *uap;
1518 struct itimerval itv, oitv;
1521 timevalclear(&itv.it_interval);
1522 itv.it_value.tv_sec = uap->sec;
1523 itv.it_value.tv_usec = 0;
1524 error = kern_setitimer(td, ITIMER_REAL, &itv, &oitv);
1527 if (oitv.it_value.tv_usec != 0)
1528 oitv.it_value.tv_sec++;
1529 td->td_retval[0] = oitv.it_value.tv_sec;
1534 svr4_sys_gettimeofday(td, uap)
1536 struct svr4_sys_gettimeofday_args *uap;
1542 return copyout(&atv, uap->tp, sizeof (atv));
1549 svr4_sys_facl(td, uap)
1551 struct svr4_sys_facl_args *uap;
1555 retval = td->td_retval;
1559 case SVR4_SYS_SETACL:
1560 /* We don't support acls on any filesystem */
1563 case SVR4_SYS_GETACL:
1564 return copyout(retval, &uap->num,
1567 case SVR4_SYS_GETACLCNT:
1577 svr4_sys_acl(td, uap)
1579 struct svr4_sys_acl_args *uap;
1581 /* XXX: for now the same */
1582 return svr4_sys_facl(td, (struct svr4_sys_facl_args *)uap);
1586 svr4_sys_auditsys(td, uap)
1588 struct svr4_sys_auditsys_args *uap;
1591 * XXX: Big brother is *not* watching.
1597 svr4_sys_memcntl(td, uap)
1599 struct svr4_sys_memcntl_args *uap;
1604 struct msync_args msa;
1606 msa.addr = uap->addr;
1608 msa.flags = (int)uap->arg;
1610 return sys_msync(td, &msa);
1612 case SVR4_MC_ADVISE:
1614 struct madvise_args maa;
1616 maa.addr = uap->addr;
1618 maa.behav = (int)uap->arg;
1620 return sys_madvise(td, &maa);
1623 case SVR4_MC_UNLOCK:
1624 case SVR4_MC_LOCKAS:
1625 case SVR4_MC_UNLOCKAS:
1634 svr4_sys_nice(td, uap)
1636 struct svr4_sys_nice_args *uap;
1638 struct setpriority_args ap;
1641 ap.which = PRIO_PROCESS;
1643 ap.prio = uap->prio;
1645 if ((error = sys_setpriority(td, &ap)) != 0)
1648 /* the cast is stupid, but the structures are the same */
1649 if ((error = sys_getpriority(td, (struct getpriority_args *)&ap)) != 0)
1656 svr4_sys_resolvepath(td, uap)
1658 struct svr4_sys_resolvepath_args *uap;
1660 struct nameidata nd;
1661 int error, *retval = td->td_retval;
1664 NDINIT(&nd, LOOKUP, NOFOLLOW | SAVENAME, UIO_USERSPACE,
1667 if ((error = namei(&nd)) != 0)
1669 NDFREE(&nd, NDF_NO_FREE_PNBUF);
1671 ncopy = min(uap->bufsiz, strlen(nd.ni_cnd.cn_pnbuf) + 1);
1672 if ((error = copyout(nd.ni_cnd.cn_pnbuf, uap->buf, ncopy)) != 0)
1677 NDFREE(&nd, NDF_ONLY_PNBUF);