diff options
Diffstat (limited to 'sys/compat/svr4/svr4_misc.c')
| -rw-r--r-- | sys/compat/svr4/svr4_misc.c | 1199 |
1 files changed, 1199 insertions, 0 deletions
diff --git a/sys/compat/svr4/svr4_misc.c b/sys/compat/svr4/svr4_misc.c new file mode 100644 index 00000000000..bab1d019d8d --- /dev/null +++ b/sys/compat/svr4/svr4_misc.c @@ -0,0 +1,1199 @@ +/* $NetBSD: svr4_misc.c,v 1.28 1995/10/09 11:24:17 mycroft Exp $ */ + +/* + * Copyright (c) 1994 Christos Zoulas + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * SVR4 compatibility module. + * + * SVR4 system calls that are implemented differently in BSD are + * handled here. + */ + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/namei.h> +#include <sys/dir.h> +#include <sys/proc.h> +#include <sys/file.h> +#include <sys/stat.h> +#include <sys/time.h> +#include <sys/filedesc.h> +#include <sys/ioctl.h> +#include <sys/kernel.h> +#include <sys/malloc.h> +#include <sys/mbuf.h> +#include <sys/mman.h> +#include <sys/mount.h> +#include <sys/resource.h> +#include <sys/resourcevar.h> +#include <sys/socket.h> +#include <sys/vnode.h> +#include <sys/uio.h> +#include <sys/wait.h> +#include <sys/utsname.h> +#include <sys/unistd.h> +#include <sys/times.h> +#include <sys/sem.h> +#include <sys/msg.h> + +#include <netinet/in.h> +#include <sys/syscallargs.h> + +#include <miscfs/specfs/specdev.h> + +#include <compat/svr4/svr4_types.h> +#include <compat/svr4/svr4_signal.h> +#include <compat/svr4/svr4_syscallargs.h> +#include <compat/svr4/svr4_util.h> +#include <compat/svr4/svr4_time.h> +#include <compat/svr4/svr4_dirent.h> +#include <compat/svr4/svr4_ulimit.h> +#include <compat/svr4/svr4_hrt.h> +#include <compat/svr4/svr4_wait.h> +#include <compat/svr4/svr4_statvfs.h> +#include <compat/svr4/svr4_sysconfig.h> + +#include <vm/vm.h> +/* XXX */ extern struct proc *pfind(); + +static __inline clock_t timeval_to_clock_t __P((struct timeval *)); +static int svr4_setinfo __P((struct proc *, int, svr4_siginfo_t *)); + +struct svr4_hrtcntl_args; +static int svr4_hrtcntl __P((struct proc *, struct svr4_hrtcntl_args *, + register_t *)); +static void bsd_statfs_to_svr4_statvfs __P((const struct statfs *, + struct svr4_statvfs *)); +static struct proc *svr4_pfind __P((pid_t pid)); + +int +svr4_sys_wait(p, v, retval) + register struct proc *p; + void *v; + register_t *retval; +{ + struct svr4_sys_wait_args *uap = v; + struct sys_wait4_args w4; + int error; + size_t sz = sizeof(*SCARG(&w4, status)); + + SCARG(&w4, rusage) = NULL; + SCARG(&w4, options) = 0; + + if (SCARG(uap, status) == NULL) { + caddr_t sg = stackgap_init(p->p_emul); + SCARG(&w4, status) = stackgap_alloc(&sg, sz); + } + else + SCARG(&w4, status) = SCARG(uap, status); + + SCARG(&w4, pid) = WAIT_ANY; + + if ((error = sys_wait4(p, &w4, retval)) != 0) + return error; + + /* + * It looks like wait(2) on svr4/solaris/2.4 returns + * the status in retval[1], and the pid on retval[0]. + * NB: this can break if register_t stops being an int. + */ + return copyin(SCARG(&w4, status), &retval[1], sz); +} + + +int +svr4_sys_execv(p, v, retval) + register struct proc *p; + void *v; + register_t *retval; +{ + struct svr4_sys_execv_args *uap = v; + struct sys_execve_args ex; + + caddr_t sg = stackgap_init(p->p_emul); + SVR4_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); + + SCARG(&ex, path) = SCARG(uap, path); + SCARG(&ex, argp) = SCARG(uap, argp); + SCARG(&ex, envp) = NULL; + + return sys_execve(p, &ex, retval); +} + + +int +svr4_sys_execve(p, v, retval) + register struct proc *p; + void *v; + register_t *retval; +{ + struct sys_execve_args *uap = v; + caddr_t sg = stackgap_init(p->p_emul); + SVR4_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); + + return sys_execve(p, uap, retval); +} + + +int +svr4_sys_time(p, v, retval) + register struct proc *p; + void *v; + register_t *retval; +{ + struct svr4_sys_time_args *uap = v; + int error = 0; + struct timeval tv; + + microtime(&tv); + if (SCARG(uap, t)) + error = copyout(&tv.tv_sec, SCARG(uap, t), + sizeof(*(SCARG(uap, t)))); + *retval = (int) tv.tv_sec; + + return error; +} + + +/* + * Read SVR4-style directory entries. We suck them into kernel space so + * that they can be massaged before being copied out to user code. Like + * SunOS, we squish out `empty' entries. + * + * This is quite ugly, but what do you expect from compatibility code? + */ +int +svr4_sys_getdents(p, v, retval) + register struct proc *p; + void *v; + register_t *retval; +{ + struct svr4_sys_getdents_args *uap = v; + register struct dirent *bdp; + struct vnode *vp; + caddr_t inp, buf; /* BSD-format */ + int len, reclen; /* BSD-format */ + caddr_t outp; /* SVR4-format */ + int resid, svr4_reclen; /* SVR4-format */ + struct file *fp; + struct uio auio; + struct iovec aiov; + struct svr4_dirent idb; + off_t off; /* true file offset */ + int buflen, error, eofflag; + u_long *cookiebuf, *cookie; + int ncookies; + + if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0) + return (error); + + if ((fp->f_flag & FREAD) == 0) + return (EBADF); + + vp = (struct vnode *)fp->f_data; + + if (vp->v_type != VDIR) /* XXX vnode readdir op should do this */ + return (EINVAL); + + buflen = min(MAXBSIZE, SCARG(uap, nbytes)); + buf = malloc(buflen, M_TEMP, M_WAITOK); + ncookies = buflen / 16; + cookiebuf = malloc(ncookies * sizeof(*cookiebuf), M_TEMP, M_WAITOK); + VOP_LOCK(vp); + off = fp->f_offset; +again: + aiov.iov_base = buf; + aiov.iov_len = buflen; + auio.uio_iov = &aiov; + auio.uio_iovcnt = 1; + auio.uio_rw = UIO_READ; + auio.uio_segflg = UIO_SYSSPACE; + auio.uio_procp = p; + auio.uio_resid = buflen; + auio.uio_offset = off; + /* + * First we read into the malloc'ed buffer, then + * we massage it into user space, one record at a time. + */ + error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, cookiebuf, + ncookies); + if (error) + goto out; + + inp = buf; + outp = SCARG(uap, buf); + resid = SCARG(uap, nbytes); + if ((len = buflen - auio.uio_resid) == 0) + goto eof; + + for (cookie = cookiebuf; len > 0; len -= reclen) { + bdp = (struct dirent *)inp; + reclen = bdp->d_reclen; + if (reclen & 3) + panic("svr4_getdents"); + off = *cookie++; /* each entry points to the next */ + if (bdp->d_fileno == 0) { + inp += reclen; /* it is a hole; squish it out */ + continue; + } + svr4_reclen = SVR4_RECLEN(&idb, bdp->d_namlen); + if (reclen > len || resid < svr4_reclen) { + /* entry too big for buffer, so just stop */ + outp++; + break; + } + /* + * Massage in place to make a SVR4-shaped dirent (otherwise + * we have to worry about touching user memory outside of + * the copyout() call). + */ + idb.d_ino = (svr4_ino_t)bdp->d_fileno; + idb.d_off = (svr4_off_t)off; + idb.d_reclen = (u_short)svr4_reclen; + strcpy(idb.d_name, bdp->d_name); + if ((error = copyout((caddr_t)&idb, outp, svr4_reclen))) + goto out; + /* advance past this real entry */ + inp += reclen; + /* advance output past SVR4-shaped entry */ + outp += svr4_reclen; + resid -= svr4_reclen; + } + + /* if we squished out the whole block, try again */ + if (outp == SCARG(uap, buf)) + goto again; + fp->f_offset = off; /* update the vnode offset */ + +eof: + *retval = SCARG(uap, nbytes) - resid; +out: + VOP_UNLOCK(vp); + free(cookiebuf, M_TEMP); + free(buf, M_TEMP); + return error; +} + +int +svr4_sys_mmap(p, v, retval) + register struct proc *p; + void *v; + register_t *retval; +{ + struct svr4_sys_mmap_args *uap = v; + struct filedesc *fdp; + struct file *fp; + struct vnode *vp; + struct sys_mmap_args mm; + caddr_t rp; +#define _MAP_NEW 0x80000000 + /* + * Verify the arguments. + */ + if (SCARG(uap, prot) & ~(PROT_READ | PROT_WRITE | PROT_EXEC)) + return EINVAL; /* XXX still needed? */ + + SCARG(&mm, prot) = SCARG(uap, prot); + SCARG(&mm, len) = SCARG(uap, len); + SCARG(&mm, flags) = SCARG(uap, flags) & ~_MAP_NEW; + SCARG(&mm, fd) = SCARG(uap, fd); + SCARG(&mm, addr) = SCARG(uap, addr); + SCARG(&mm, pos) = SCARG(uap, pos); + + rp = (caddr_t) round_page(p->p_vmspace->vm_daddr + MAXDSIZ); + if ((SCARG(&mm, flags) & MAP_FIXED) == 0 && + SCARG(&mm, addr) != 0 && SCARG(&mm, addr) < rp) + SCARG(&mm, addr) = rp; + + return sys_mmap(p, &mm, retval); +} + +int +svr4_sys_fchroot(p, v, retval) + register struct proc *p; + void *v; + register_t *retval; +{ + struct svr4_sys_fchroot_args *uap = v; + struct filedesc *fdp = p->p_fd; + struct vnode *vp; + struct file *fp; + int error; + + if ((error = suser(p->p_ucred, &p->p_acflag)) != 0) + return error; + if ((error = getvnode(fdp, SCARG(uap, fd), &fp)) != 0) + return error; + vp = (struct vnode *) fp->f_data; + VOP_LOCK(vp); + if (vp->v_type != VDIR) + error = ENOTDIR; + else + error = VOP_ACCESS(vp, VEXEC, p->p_ucred, p); + VOP_UNLOCK(vp); + if (error) + return error; + VREF(vp); + if (fdp->fd_rdir != NULL) + vrele(fdp->fd_rdir); + fdp->fd_rdir = vp; + return 0; +} + + +int +svr4_sys_mknod(p, v, retval) + register struct proc *p; + void *v; + register_t *retval; +{ + struct svr4_sys_mknod_args *uap = v; + caddr_t sg = stackgap_init(p->p_emul); + SVR4_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); + + if (S_ISFIFO(SCARG(uap, mode))) { + struct sys_mkfifo_args ap; + SCARG(&ap, path) = SCARG(uap, path); + SCARG(&ap, mode) = SCARG(uap, mode); + return sys_mkfifo(p, &ap, retval); + } else { + struct sys_mknod_args ap; + SCARG(&ap, path) = SCARG(uap, path); + SCARG(&ap, mode) = SCARG(uap, mode); + SCARG(&ap, dev) = SCARG(uap, dev); + return sys_mknod(p, &ap, retval); + } +} + +int +svr4_sys_vhangup(p, v, retval) + struct proc *p; + void *v; + register_t *retval; +{ + return 0; +} + + +int +svr4_sys_sysconfig(p, v, retval) + register struct proc *p; + void *v; + register_t *retval; +{ + struct svr4_sys_sysconfig_args *uap = v; + extern int maxfiles; + + switch (SCARG(uap, name)) { + case SVR4_CONFIG_UNUSED: + *retval = 0; + break; + case SVR4_CONFIG_NGROUPS: + *retval = NGROUPS_MAX; + break; + case SVR4_CONFIG_CHILD_MAX: + *retval = maxproc; + break; + case SVR4_CONFIG_OPEN_FILES: + *retval = maxfiles; + break; + case SVR4_CONFIG_POSIX_VER: + *retval = 198808; + break; + case SVR4_CONFIG_PAGESIZE: + *retval = NBPG; + break; + case SVR4_CONFIG_CLK_TCK: + *retval = 60; /* should this be `hz', ie. 100? */ + break; + case SVR4_CONFIG_XOPEN_VER: + *retval = 2; /* XXX: What should that be? */ + break; + case SVR4_CONFIG_PROF_TCK: + *retval = 60; /* XXX: What should that be? */ + break; + case SVR4_CONFIG_NPROC_CONF: + *retval = 1; /* Only one processor for now */ + break; + case SVR4_CONFIG_NPROC_ONLN: + *retval = 1; /* And it better be online */ + break; + case SVR4_CONFIG_AIO_LISTIO_MAX: + case SVR4_CONFIG_AIO_MAX: + case SVR4_CONFIG_AIO_PRIO_DELTA_MAX: + *retval = 0; /* No aio support */ + break; + case SVR4_CONFIG_DELAYTIMER_MAX: + *retval = 0; /* No delaytimer support */ + break; + case SVR4_CONFIG_MQ_OPEN_MAX: + *retval = msginfo.msgmni; + break; + case SVR4_CONFIG_MQ_PRIO_MAX: + *retval = 0; /* XXX: Don't know */ + break; + case SVR4_CONFIG_RTSIG_MAX: + *retval = 0; + break; + case SVR4_CONFIG_SEM_NSEMS_MAX: + *retval = seminfo.semmni; + break; + case SVR4_CONFIG_SEM_VALUE_MAX: + *retval = seminfo.semvmx; + break; + case SVR4_CONFIG_SIGQUEUE_MAX: + *retval = 0; /* XXX: Don't know */ + break; + case SVR4_CONFIG_SIGRT_MIN: + case SVR4_CONFIG_SIGRT_MAX: + *retval = 0; /* No real time signals */ + break; + case SVR4_CONFIG_TIMER_MAX: + *retval = 3; /* XXX: real, virtual, profiling */ + break; + case SVR4_CONFIG_PHYS_PAGES: + *retval = cnt.v_free_count; /* XXX: free instead of total */ + break; + case SVR4_CONFIG_AVPHYS_PAGES: + *retval = cnt.v_active_count; /* XXX: active instead of avg */ + break; + default: + return EINVAL; + } + return 0; +} + +#define SVR4_RLIMIT_NOFILE 5 /* Other RLIMIT_* are the same */ +#define SVR4_RLIMIT_VMEM 6 /* Other RLIMIT_* are the same */ +#define SVR4_RLIM_NLIMITS 7 + +int +svr4_sys_getrlimit(p, v, retval) + register struct proc *p; + void *v; + register_t *retval; +{ + struct svr4_sys_getrlimit_args *uap = v; + struct compat_43_sys_getrlimit_args ap; + + if (SCARG(uap, which) >= SVR4_RLIM_NLIMITS) + return EINVAL; + + if (SCARG(uap, which) == SVR4_RLIMIT_NOFILE) + SCARG(uap, which) = RLIMIT_NOFILE; + if (SCARG(uap, which) == SVR4_RLIMIT_VMEM) + SCARG(uap, which) = RLIMIT_RSS; + + SCARG(&ap, which) = SCARG(uap, which); + SCARG(&ap, rlp) = SCARG(uap, rlp); + + return compat_43_sys_getrlimit(p, &ap, retval); +} + +int +svr4_sys_setrlimit(p, v, retval) + register struct proc *p; + void *v; + register_t *retval; +{ + struct svr4_sys_setrlimit_args *uap = v; + struct compat_43_sys_setrlimit_args ap; + + if (SCARG(uap, which) >= SVR4_RLIM_NLIMITS) + return EINVAL; + + if (SCARG(uap, which) == SVR4_RLIMIT_NOFILE) + SCARG(uap, which) = RLIMIT_NOFILE; + if (SCARG(uap, which) == SVR4_RLIMIT_VMEM) + SCARG(uap, which) = RLIMIT_RSS; + + SCARG(&ap, which) = SCARG(uap, which); + SCARG(&ap, rlp) = SCARG(uap, rlp); + + return compat_43_sys_setrlimit(p, uap, retval); +} + + +/* ARGSUSED */ +int +svr4_sys_break(p, v, retval) + register struct proc *p; + void *v; + register_t *retval; +{ + struct svr4_sys_break_args *uap = v; + register struct vmspace *vm = p->p_vmspace; + vm_offset_t new, old; + int rv; + register int diff; + + old = (vm_offset_t) vm->vm_daddr; + new = round_page(SCARG(uap, nsize)); + diff = new - old; + + DPRINTF(("break(1): old %x new %x diff %x\n", old, new, diff)); + + if (diff > p->p_rlimit[RLIMIT_DATA].rlim_cur) + return ENOMEM; + + old = round_page(old + ctob(vm->vm_dsize)); + DPRINTF(("break(2): dsize = %x ctob %x\n", + vm->vm_dsize, ctob(vm->vm_dsize))); + + diff = new - old; + DPRINTF(("break(3): old %x new %x diff %x\n", old, new, diff)); + + if (diff > 0) { + rv = vm_allocate(&vm->vm_map, &old, diff, FALSE); + if (rv != KERN_SUCCESS) { + uprintf("sbrk: grow failed, return = %d\n", rv); + return ENOMEM; + } + vm->vm_dsize += btoc(diff); + } else if (diff < 0) { + diff = -diff; + rv = vm_deallocate(&vm->vm_map, new, diff); + if (rv != KERN_SUCCESS) { + uprintf("sbrk: shrink failed, return = %d\n", rv); + return ENOMEM; + } + vm->vm_dsize -= btoc(diff); + } + return 0; +} + +static __inline clock_t +timeval_to_clock_t(tv) + struct timeval *tv; +{ + return tv->tv_sec * hz + tv->tv_usec / (1000000 / hz); +} + +int +svr4_sys_times(p, v, retval) + register struct proc *p; + void *v; + register_t *retval; +{ + struct svr4_sys_times_args *uap = v; + int error; + struct tms tms; + struct timeval t; + struct rusage *ru; + struct rusage r; + struct sys_getrusage_args ga; + + caddr_t sg = stackgap_init(p->p_emul); + ru = stackgap_alloc(&sg, sizeof(struct rusage)); + + SCARG(&ga, who) = RUSAGE_SELF; + SCARG(&ga, rusage) = ru; + + error = sys_getrusage(p, &ga, retval); + if (error) + return error; + + if (error = copyin(ru, &r, sizeof r)) + return error; + + tms.tms_utime = timeval_to_clock_t(&r.ru_utime); + tms.tms_stime = timeval_to_clock_t(&r.ru_stime); + + SCARG(&ga, who) = RUSAGE_CHILDREN; + error = sys_getrusage(p, &ga, retval); + if (error) + return error; + + if (error = copyin(ru, &r, sizeof r)) + return error; + + tms.tms_cutime = timeval_to_clock_t(&r.ru_utime); + tms.tms_cstime = timeval_to_clock_t(&r.ru_stime); + + microtime(&t); + *retval = timeval_to_clock_t(&t); + + return copyout(&tms, SCARG(uap, tp), sizeof(tms)); +} + + +int +svr4_sys_ulimit(p, v, retval) + register struct proc *p; + void *v; + register_t *retval; +{ + struct svr4_sys_ulimit_args *uap = v; + + switch (SCARG(uap, cmd)) { + case SVR4_GFILLIM: + *retval = p->p_rlimit[RLIMIT_FSIZE].rlim_cur / 512; + return 0; + + case SVR4_SFILLIM: + { + int error; + struct sys_setrlimit_args srl; + struct rlimit krl; + caddr_t sg = stackgap_init(p->p_emul); + struct rlimit *url = (struct rlimit *) + stackgap_alloc(&sg, sizeof *url); + + krl.rlim_cur = SCARG(uap, newlimit) * 512; + krl.rlim_max = p->p_rlimit[RLIMIT_FSIZE].rlim_max; + + error = copyout(&krl, url, sizeof(*url)); + if (error) + return error; + + srl.which = RLIMIT_FSIZE; + srl.rlp = url; + + error = sys_setrlimit(p, &srl, retval); + if (error) + return error; + + *retval = p->p_rlimit[RLIMIT_FSIZE].rlim_cur; + return 0; + } + + case SVR4_GMEMLIM: + { + struct vmspace *vm = p->p_vmspace; + *retval = (long) vm->vm_daddr + + p->p_rlimit[RLIMIT_DATA].rlim_cur; + return 0; + } + + case SVR4_GDESLIM: + *retval = p->p_rlimit[RLIMIT_NOFILE].rlim_cur; + return 0; + + default: + return ENOSYS; + } +} + + +static struct proc * +svr4_pfind(pid) + pid_t pid; +{ + struct proc *p; + + /* look in the live processes */ + if ((p = pfind(pid)) != NULL) + return p; + + /* look in the zombies */ + for (p = zombproc.lh_first; p != 0; p = p->p_list.le_next) + if (p->p_pid == pid) + return p; + + return NULL; +} + + +int +svr4_sys_pgrpsys(p, v, retval) + register struct proc *p; + void *v; + register_t *retval; +{ + struct svr4_sys_pgrpsys_args *uap = v; + int error; + + switch (SCARG(uap, cmd)) { + case 0: /* getpgrp() */ + *retval = p->p_pgrp->pg_id; + return 0; + + case 1: /* setpgrp() */ + { + struct sys_setpgid_args sa; + + SCARG(&sa, pid) = 0; + SCARG(&sa, pgid) = 0; + if ((error = sys_setpgid(p, &sa, retval)) != 0) + return error; + *retval = p->p_pgrp->pg_id; + return 0; + } + + case 2: /* getsid(pid) */ + if (SCARG(uap, pid) != 0 && + (p = svr4_pfind(SCARG(uap, pid))) == NULL) + return ESRCH; + /* + * we return the pid of the session leader for this + * process + */ + *retval = (register_t) p->p_session->s_leader->p_pid; + return 0; + + case 3: /* setsid() */ + return sys_setsid(p, NULL, retval); + + case 4: /* getpgid(pid) */ + + if (SCARG(uap, pid) != 0 && + (p = svr4_pfind(SCARG(uap, pid))) == NULL) + return ESRCH; + + *retval = (int) p->p_pgrp->pg_id; + return 0; + + case 5: /* setpgid(pid, pgid); */ + { + struct sys_setpgid_args sa; + + SCARG(&sa, pid) = SCARG(uap, pid); + SCARG(&sa, pgid) = SCARG(uap, pgid); + return sys_setpgid(p, &sa, retval); + } + + default: + return EINVAL; + } +} + +#define syscallarg(x) union { x datum; register_t pad; } + +struct svr4_hrtcntl_args { + syscallarg(int) cmd; + syscallarg(int) fun; + syscallarg(int) clk; + syscallarg(svr4_hrt_interval_t *) iv; + syscallarg(svr4_hrt_time_t *) ti; +}; + +static int +svr4_hrtcntl(p, uap, retval) + register struct proc *p; + register struct svr4_hrtcntl_args *uap; + register_t *retval; +{ + switch (SCARG(uap, fun)) { + case SVR4_HRT_CNTL_RES: + DPRINTF(("htrcntl(RES)\n")); + *retval = SVR4_HRT_USEC; + return 0; + + case SVR4_HRT_CNTL_TOFD: + DPRINTF(("htrcntl(TOFD)\n")); + { + struct timeval tv; + svr4_hrt_time_t t; + if (SCARG(uap, clk) != SVR4_HRT_CLK_STD) { + DPRINTF(("clk == %d\n", SCARG(uap, clk))); + return EINVAL; + } + if (SCARG(uap, ti) == NULL) { + DPRINTF(("ti NULL\n")); + return EINVAL; + } + microtime(&tv); + t.h_sec = tv.tv_sec; + t.h_rem = tv.tv_usec; + t.h_res = SVR4_HRT_USEC; + return copyout(&t, SCARG(uap, ti), sizeof(t)); + } + + case SVR4_HRT_CNTL_START: + DPRINTF(("htrcntl(START)\n")); + return ENOSYS; + + case SVR4_HRT_CNTL_GET: + DPRINTF(("htrcntl(GET)\n")); + return ENOSYS; + default: + DPRINTF(("Bad htrcntl command %d\n", SCARG(uap, fun))); + return ENOSYS; + } +} + +int +svr4_sys_hrtsys(p, v, retval) + register struct proc *p; + void *v; + register_t *retval; +{ + struct svr4_sys_hrtsys_args *uap = v; + int error; + struct timeval tv; + + switch (SCARG(uap, cmd)) { + case SVR4_HRT_CNTL: + return svr4_hrtcntl(p, (struct svr4_hrtcntl_args *) uap, + retval); + + case SVR4_HRT_ALRM: + DPRINTF(("hrtalarm\n")); + return ENOSYS; + + case SVR4_HRT_SLP: + DPRINTF(("hrtsleep\n")); + return ENOSYS; + + case SVR4_HRT_CAN: + DPRINTF(("hrtcancel\n")); + return ENOSYS; + + default: + DPRINTF(("Bad hrtsys command %d\n", SCARG(uap, cmd))); + return EINVAL; + } +} + +static int +svr4_setinfo(p, st, s) + struct proc *p; + int st; + svr4_siginfo_t *s; +{ + svr4_siginfo_t i; + + bzero(&i, sizeof(i)); + + i.si_signo = SVR4_SIGCHLD; + i.si_errno = 0; /* XXX? */ + + if (p) { + i.si_pid = p->p_pid; + i.si_stime = p->p_ru->ru_stime.tv_sec; + i.si_utime = p->p_ru->ru_utime.tv_sec; + } + + if (WIFEXITED(st)) { + i.si_status = WEXITSTATUS(st); + i.si_code = SVR4_CLD_EXITED; + } + else if (WIFSTOPPED(st)) { + i.si_status = bsd_to_svr4_sig[WSTOPSIG(st)]; + + if (i.si_status == SVR4_SIGCONT) + i.si_code = SVR4_CLD_CONTINUED; + else + i.si_code = SVR4_CLD_STOPPED; + } else { + i.si_status = bsd_to_svr4_sig[WTERMSIG(st)]; + + if (WCOREDUMP(st)) + i.si_code = SVR4_CLD_DUMPED; + else + i.si_code = SVR4_CLD_KILLED; + } + + DPRINTF(("siginfo [pid %d signo %d code %d errno %d status %d]\n", + i.si_pid, i.si_signo, i.si_code, i.si_errno, i.si_status)); + + return copyout(&i, s, sizeof(i)); +} + + +int +svr4_sys_waitsys(p, v, retval) + register struct proc *p; + void *v; + register_t *retval; +{ + struct svr4_sys_waitsys_args *uap = v; + int nfound; + int error; + struct proc *q, *t; + + + switch (SCARG(uap, grp)) { + case SVR4_P_PID: + break; + + case SVR4_P_PGID: + SCARG(uap, id) = -p->p_pgid; + break; + + case SVR4_P_ALL: + SCARG(uap, id) = WAIT_ANY; + break; + + default: + return EINVAL; + } + + DPRINTF(("waitsys(%d, %d, %x, %x)\n", + SCARG(uap, grp), SCARG(uap, id), SCARG(uap, info), + SCARG(uap, options))); + +loop: + nfound = 0; + for (q = p->p_children.lh_first; q != 0; q = q->p_sibling.le_next) { + if (SCARG(uap, id) != WAIT_ANY && + q->p_pid != SCARG(uap, id) && + q->p_pgid != -SCARG(uap, id)) { + DPRINTF(("pid %d pgid %d != %d\n", q->p_pid, + q->p_pgid, SCARG(uap, id))); + continue; + } + nfound++; + if (q->p_stat == SZOMB && + ((SCARG(uap, options) & (SVR4_WEXITED|SVR4_WTRAPPED)))) { + *retval = 0; + DPRINTF(("found %d\n", q->p_pid)); + if ((error = svr4_setinfo(q, q->p_xstat, + SCARG(uap, info))) != 0) + return error; + + + if ((SCARG(uap, options) & SVR4_WNOWAIT)) { + DPRINTF(("Don't wait\n")); + return 0; + } + + /* + * If we got the child via a ptrace 'attach', + * we need to give it back to the old parent. + */ + if (q->p_oppid && (t = pfind(q->p_oppid))) { + q->p_oppid = 0; + proc_reparent(q, t); + psignal(t, SIGCHLD); + wakeup((caddr_t)t); + return 0; + } + q->p_xstat = 0; + ruadd(&p->p_stats->p_cru, q->p_ru); + FREE(q->p_ru, M_ZOMBIE); + + /* + * Decrement the count of procs running with this uid. + */ + (void)chgproccnt(q->p_cred->p_ruid, -1); + + /* + * Free up credentials. + */ + if (--q->p_cred->p_refcnt == 0) { + crfree(q->p_cred->pc_ucred); + FREE(q->p_cred, M_SUBPROC); + } + + /* + * Release reference to text vnode + */ + if (q->p_textvp) + vrele(q->p_textvp); + + /* + * Finally finished with old proc entry. + * Unlink it from its process group and free it. + */ + leavepgrp(q); + LIST_REMOVE(q, p_list); /* off zombproc */ + LIST_REMOVE(q, p_sibling); + + /* + * Give machine-dependent layer a chance + * to free anything that cpu_exit couldn't + * release while still running in process context. + */ + cpu_wait(q); + FREE(q, M_PROC); + nprocs--; + return 0; + } + if (q->p_stat == SSTOP && (q->p_flag & P_WAITED) == 0 && + (q->p_flag & P_TRACED || + (SCARG(uap, options) & (SVR4_WSTOPPED|SVR4_WCONTINUED)))) { + DPRINTF(("jobcontrol %d\n", q->p_pid)); + if (((SCARG(uap, options) & SVR4_WNOWAIT)) == 0) + q->p_flag |= P_WAITED; + else + DPRINTF(("Don't wait\n")); + *retval = 0; + return svr4_setinfo(q, W_STOPCODE(q->p_xstat), + SCARG(uap, info)); + } + } + + if (nfound == 0) + return ECHILD; + + if (SCARG(uap, options) & SVR4_WNOHANG) { + *retval = 0; + if ((error = svr4_setinfo(NULL, 0, SCARG(uap, info))) != 0) + return error; + return 0; + } + + if (error = tsleep((caddr_t)p, PWAIT | PCATCH, "svr4_wait", 0)) + return error; + goto loop; +} + + +static void +bsd_statfs_to_svr4_statvfs(bfs, sfs) + const struct statfs *bfs; + struct svr4_statvfs *sfs; +{ + sfs->f_bsize = bfs->f_bsize; + sfs->f_frsize = bfs->f_bsize / 8; /* XXX */ + sfs->f_blocks = bfs->f_blocks; + sfs->f_bfree = bfs->f_bfree; + sfs->f_bavail = bfs->f_bavail; + sfs->f_files = bfs->f_files; + sfs->f_ffree = bfs->f_ffree; + sfs->f_favail = bfs->f_ffree; + sfs->f_fsid = bfs->f_fsid.val[0]; + bcopy(bfs->f_fstypename, sfs->f_basetype, sizeof(sfs->f_basetype)); + sfs->f_flag = 0; + if (bfs->f_flags & MNT_RDONLY) + sfs->f_flag |= SVR4_ST_RDONLY; + if (bfs->f_flags & MNT_NOSUID) + sfs->f_flag |= SVR4_ST_NOSUID; + sfs->f_namemax = MAXNAMLEN; + bcopy(bfs->f_fstypename, sfs->f_fstr, sizeof(sfs->f_fstr)); /* XXX */ + bzero(sfs->f_filler, sizeof(sfs->f_filler)); +} + + +int +svr4_sys_statvfs(p, v, retval) + register struct proc *p; + void *v; + register_t *retval; +{ + struct svr4_sys_statvfs_args *uap = v; + struct sys_statfs_args fs_args; + caddr_t sg = stackgap_init(p->p_emul); + struct statfs *fs = stackgap_alloc(&sg, sizeof(struct statfs)); + struct statfs bfs; + struct svr4_statvfs sfs; + int error; + + SVR4_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); + SCARG(&fs_args, path) = SCARG(uap, path); + SCARG(&fs_args, buf) = fs; + + if ((error = sys_statfs(p, &fs_args, retval)) != 0) + return error; + + if ((error = copyin(fs, &bfs, sizeof(bfs))) != 0) + return error; + + bsd_statfs_to_svr4_statvfs(&bfs, &sfs); + + return copyout(&sfs, SCARG(uap, fs), sizeof(sfs)); +} + + +int +svr4_sys_fstatvfs(p, v, retval) + register struct proc *p; + void *v; + register_t *retval; +{ + struct svr4_sys_fstatvfs_args *uap = v; + struct sys_fstatfs_args fs_args; + caddr_t sg = stackgap_init(p->p_emul); + struct statfs *fs = stackgap_alloc(&sg, sizeof(struct statfs)); + struct statfs bfs; + struct svr4_statvfs sfs; + int error; + + SCARG(&fs_args, fd) = SCARG(uap, fd); + SCARG(&fs_args, buf) = fs; + + if ((error = sys_fstatfs(p, &fs_args, retval)) != 0) + return error; + + if ((error = copyin(fs, &bfs, sizeof(bfs))) != 0) + return error; + + bsd_statfs_to_svr4_statvfs(&bfs, &sfs); + + return copyout(&sfs, SCARG(uap, fs), sizeof(sfs)); +} + +int +svr4_sys_alarm(p, v, retval) + register struct proc *p; + void *v; + register_t *retval; +{ + struct svr4_sys_alarm_args *uap = v; + int error; + struct itimerval *ntp, *otp, tp; + struct sys_setitimer_args sa; + caddr_t sg = stackgap_init(p->p_emul); + + ntp = stackgap_alloc(&sg, sizeof(struct itimerval)); + otp = stackgap_alloc(&sg, sizeof(struct itimerval)); + + timerclear(&tp.it_interval); + tp.it_value.tv_sec = SCARG(uap, sec); + tp.it_value.tv_usec = 0; + + if ((error = copyout(&tp, ntp, sizeof(tp))) != 0) + return error; + + SCARG(&sa, which) = ITIMER_REAL; + SCARG(&sa, itv) = ntp; + SCARG(&sa, oitv) = otp; + + if ((error = sys_setitimer(p, &sa, retval)) != 0) + return error; + + if ((error = copyin(otp, &tp, sizeof(tp))) != 0) + return error; + + if (tp.it_value.tv_usec) + tp.it_value.tv_sec++; + + *retval = (register_t) tp.it_value.tv_sec; + + return 0; +} + + +int +svr4_sys_gettimeofday(p, v, retval) + register struct proc *p; + void *v; + register_t *retval; +{ + struct svr4_sys_gettimeofday_args *uap = v; + + if (SCARG(uap, tp)) { + struct timeval atv; + + microtime(&atv); + return copyout(&atv, SCARG(uap, tp), sizeof (atv)); + } + + return 0; +} |