Commit Graph

92 Commits

Author SHA1 Message Date
Michael Kerrisk 216131bdf5 unshare.2: Document CLONE_NEWCGROUP
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2016-05-09 23:08:54 +02:00
Michael Kerrisk 6881dc4717 unshare.2: srcfix
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2016-05-09 23:08:54 +02:00
Michael Kerrisk 979867082b locale.1, localedef.1, _exit.2, accept.2, access.2, acct.2, adjtimex.2, bdflush.2, bind.2, bpf.2, brk.2, chdir.2, chmod.2, chown.2, chroot.2, clock_nanosleep.2, clone.2, close.2, connect.2, copy_file_range.2, create_module.2, delete_module.2, dup.2, epoll_ctl.2, eventfd.2, execve.2, fallocate.2, fanotify_init.2, fcntl.2, flock.2, fork.2, fsync.2, futex.2, get_kernel_syms.2, getdomainname.2, getgroups.2, gethostname.2, getpagesize.2, getpeername.2, getsid.2, getsockname.2, getsockopt.2, gettimeofday.2, init_module.2, ioctl.2, ioctl_list.2, ioperm.2, iopl.2, kexec_load.2, kill.2, killpg.2, link.2, listen.2, llseek.2, lseek.2, madvise.2, memfd_create.2, mincore.2, mkdir.2, mknod.2, mmap.2, mount.2, nanosleep.2, nice.2, open.2, personality.2, pipe.2, poll.2, posix_fadvise.2, read.2, readahead.2, readlink.2, readv.2, recv.2, recvmmsg.2, rename.2, request_key.2, sched_setaffinity.2, sched_setattr.2, select.2, select_tut.2, semctl.2, semop.2, send.2, sendfile.2, sendmmsg.2, seteuid.2, setns.2, setpgid.2, setreuid.2, shutdown.2, sigaction.2, sigaltstack.2, signal.2, signalfd.2, sigpending.2, sigprocmask.2, sigsuspend.2, socketpair.2, splice.2, stat.2, statfs.2, stime.2, symlink.2, sync.2, syscall.2, syscalls.2, times.2, truncate.2, unlink.2, unshare.2, uselib.2, utimensat.2, vfork.2, vhangup.2, wait.2, wait4.2, write.2, a64l.3, abs.3, acos.3, acosh.3, addseverity.3, adjtime.3, aio_read.3, aio_write.3, asin.3, asinh.3, atan.3, atan2.3, atanh.3, atoi.3, backtrace.3, cbrt.3, ceil.3, cfree.3, clearenv.3, clock_getcpuclockid.3, clog10.3, cmsg.3, copysign.3, cos.3, cosh.3, ctermid.3, ctime.3, daemon.3, dirfd.3, div.3, dl_iterate_phdr.3, drand48.3, drand48_r.3, dysize.3, ecvt.3, ecvt_r.3, endian.3, erf.3, erfc.3, errno.3, exec.3, exp.3, exp2.3, expm1.3, fabs.3, fdim.3, ferror.3, fexecve.3, ffs.3, fgetgrent.3, fgetpwent.3, finite.3, flockfile.3, floor.3, fma.3, fmax.3, fmin.3, fmod.3, fopen.3, fpclassify.3, frexp.3, fseeko.3, fts.3, futimes.3, fwide.3, gamma.3, gcvt.3, getaddrinfo.3, getcwd.3, getdate.3, getdirentries.3, getdtablesize.3, getgrent.3, getgrent_r.3, getgrnam.3, getgrouplist.3, gethostbyname.3, gethostid.3, getline.3, getloadavg.3, getmntent.3, getnameinfo.3, getnetent_r.3, getpass.3, getprotoent_r.3, getpwent.3, getpwent_r.3, getpwnam.3, getrpcent_r.3, getservent_r.3, getspnam.3, getsubopt.3, getusershell.3, getutent.3, getw.3, gsignal.3, hypot.3, ilogb.3, inet.3, initgroups.3, insque.3, isalpha.3, isgreater.3, iswblank.3, j0.3, ldexp.3, lgamma.3, lio_listio.3, lockf.3, log.3, log10.3, log1p.3, log2.3, logb.3, lrint.3, lround.3, makedev.3, matherr.3, mbsnrtowcs.3, mkdtemp.3, mkfifo.3, mkstemp.3, mktemp.3, modf.3, mq_close.3, mq_getattr.3, mq_notify.3, mq_receive.3, mq_send.3, nan.3, nextafter.3, on_exit.3, open_memstream.3, opendir.3, perror.3, popen.3, posix_fallocate.3, posix_madvise.3, posix_memalign.3, posix_openpt.3, posix_spawn.3, pow.3, printf.3, profil.3, psignal.3, pthread_attr_setstack.3, pthread_setaffinity_np.3, putenv.3, putpwent.3, qecvt.3, rand.3, random.3, random_r.3, rcmd.3, readdir.3, realpath.3, remainder.3, remquo.3, rexec.3, rint.3, round.3, rpc.3, rpmatch.3, scalb.3, scalbln.3, scandir.3, scanf.3, seekdir.3, sem_wait.3, setbuf.3, setenv.3, setjmp.3, setnetgrent.3, siginterrupt.3, signbit.3, significand.3, sigset.3, sigsetops.3, sigvec.3, sigwait.3, sin.3, sinh.3, sleep.3, sockatmark.3, sqrt.3, statvfs.3, stpcpy.3, stpncpy.3, strdup.3, strerror.3, strftime.3, strlen.3, strnlen.3, strsep.3, strsignal.3, strtod.3, strtok.3, strtol.3, strtoul.3, syslog.3, system.3, tan.3, tanh.3, telldir.3, tempnam.3, termios.3, tgamma.3, timegm.3, timeradd.3, tmpfile.3, tmpnam.3, toascii.3, trunc.3, ttyslot.3, tzset.3, ualarm.3, unlocked_stdio.3, usleep.3, wcpcpy.3, wcpncpy.3, wcscasecmp.3, wcsdup.3, wcsncasecmp.3, wcsnlen.3, wcsnrtombs.3, wprintf.3, y0.3, pts.4, st.4, tty_ioctl.4, elf.5, gai.conf.5, group.5, locale.5, nsswitch.conf.5, proc.5, utmp.5, aio.7, capabilities.7, credentials.7, environ.7, epoll.7, fanotify.7, feature_test_macros.7, inotify.7, ip.7, mq_overview.7, namespaces.7, pipe.7, signal.7, socket.7, standards.7, svipc.7, symlink.7, time.7, unicode.7, unix.7: tstamp
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2016-03-15 17:30:43 +13:00
Michael Kerrisk 4f71ba5dbd clone.2, unshare.2: Remove mention of _BSD_SOURCE and _SVID_SOURCE
The right way to expose declarations for these Linux-specific
system calls was always _GNU_SOURCE. Mentioning the historical
use of _BSD_SOURCE and _SVID_SOURCE just clouds the issue.

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2016-03-01 20:01:04 +01:00
Gleb Fotengauer-Malinovskiy f0d0f68dc8 unshare.2: tfix: fix unbalanced parentheses
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-08-08 10:06:57 +02:00
Michael Kerrisk 15784e0ada unshare.2: Give the reader a hint that unshare() works on processes or threads
See https://bugzilla.kernel.org/show_bug.cgi?id=59281

Reported-by: Florian Weimer <fweimer@redhat.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-05-05 12:01:40 +02:00
Michael Kerrisk c73595c249 getent.1, fallocate.2, getrlimit.2, llseek.2, madvise.2, mount.2, poll.2, posix_fadvise.2, pread.2, stat.2, symlink.2, timer_create.2, timerfd_create.2, unshare.2, acos.3, acosh.3, asin.3, asinh.3, asprintf.3, atan.3, atan2.3, atanh.3, cabs.3, cacos.3, cacosh.3, carg.3, casin.3, casinh.3, catan.3, catanh.3, cbrt.3, ccos.3, ccosh.3, ceil.3, cexp.3, cimag.3, clog.3, conj.3, copysign.3, cos.3, cosh.3, cpow.3, cproj.3, creal.3, csin.3, csinh.3, csqrt.3, ctan.3, ctanh.3, ctime.3, erf.3, erfc.3, exec.3, exp.3, exp2.3, expm1.3, fabs.3, fdim.3, floor.3, fma.3, fmax.3, fmin.3, fmod.3, frexp.3, ftw.3, get_nprocs_conf.3, getcwd.3, gethostbyname.3, getnetent.3, getutent.3, glob.3, ilogb.3, insque.3, j0.3, ldexp.3, lgamma.3, log.3, log10.3, log1p.3, log2.3, logb.3, login.3, lrint.3, lround.3, lseek64.3, malloc.3, mbsnrtowcs.3, mbsrtowcs.3, modf.3, mq_notify.3, mq_open.3, nan.3, nextafter.3, openpty.3, perror.3, posix_memalign.3, pow.3, printf.3, qsort.3, realpath.3, remainder.3, remquo.3, rint.3, round.3, scalbln.3, scandir.3, scanf.3, setnetgrent.3, significand.3, sin.3, sinh.3, sqrt.3, strcasecmp.3, tan.3, tanh.3, tgamma.3, trunc.3, unlocked_stdio.3, updwtmp.3, wcrtomb.3, wcsnrtombs.3, wcsrtombs.3, wordexp.3, wprintf.3, y0.3, epoll.7, icmp.7, nptl.7: tstamp
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-19 11:20:58 +02:00
Michael Kerrisk 1024e8ffb9 unshare.2: Remove mention of "System V" from discussion of CLONE_NEWIPC
These days, CLONE_NEWIPC also affects POSIX message queues.

Reported-by: Fabien Pichot <fpichot@bouledef.eu>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-06 16:12:22 +02:00
Akihiro Motoki 12f7439089 unshare.2: ffix
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-01-16 07:54:01 +01:00
Michael Kerrisk f5d401ddda Removed trailing white space at end of lines 2014-09-21 11:24:24 +02:00
Michael Kerrisk daf084cc33 clone.2, flock.2, getpid.2, getunwind.2, mount.2, reboot.2, semop.2, seteuid.2, setgid.2, setns.2, setresuid.2, setreuid.2, setuid.2, uname.2, unshare.2, clock.3, drand48.3, proc.5, capabilities.7, credentials.7, mq_overview.7, namespaces.7, pid_namespaces.7, svipc.7, user_namespaces.7: tstamp
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2014-09-21 11:23:07 +02:00
Michael Kerrisk 130fbed6c8 unshare.2: Note flags implied by CLONE_THREAD and CLONE_VM
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2014-09-14 21:29:47 -07:00
Michael Kerrisk 6bab36f87c unshare.2: Add kernel version number for text on CLONE_NEWUSER implying CLONE_FS
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2014-09-13 20:16:03 -07:00
Michael Kerrisk 40a47a161b unshare.2: Document EPERM error when using CLONE_NEWUSER from chrooted caller
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2014-09-13 20:16:03 -07:00
Michael Kerrisk cdd25f2e76 unshare.2: Document EUSERS error
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2014-09-13 20:16:03 -07:00
Michael Kerrisk 08e54e516c unshare.2: tfix
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2014-09-13 20:16:02 -07:00
Michael Kerrisk 6f6808f9fd unshare.2: wfix
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2014-09-13 20:16:02 -07:00
Michael Kerrisk 4c3d7431b4 unshare.2: CLONE_NEWUSER implies CLONE_FS
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2014-09-13 20:16:02 -07:00
Michael Kerrisk f647dc5e28 unshare.2: Remove obsolete reference to "Restrictions" text in user_namespaces(7)
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2014-09-13 20:16:02 -07:00
Michael Kerrisk 0d829b7610 unshare.2: Clarify semantics of CLONE_SYSVSEM
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2014-09-13 20:16:02 -07:00
Michael Kerrisk ea2d20ebcc unshare.2: CLONE_SYSVSEM does not require CAP_SYS_ADMIN
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2014-09-13 20:16:02 -07:00
Michael Kerrisk 3c881e7c07 unshare.2: CLONE_NEWPID automatically implies CLONE_THREAD
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2014-09-13 20:16:02 -07:00
Michael Kerrisk 88f487166c unshare.2: CLONE_NEWUSER implies CLONE_THREAD
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2014-09-13 20:16:02 -07:00
Michael Kerrisk 5afd65d175 unshare.2: wfix
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2014-09-13 20:16:02 -07:00
Michael Kerrisk f231195fce unshare.2: srcfix: update FIXMEs
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2014-09-13 20:16:02 -07:00
Michael Kerrisk 333446b9a6 unshare.2: Note restrictions on CLONE_NEWUSER with other CLONE_* flags
Refer to user_namespaces(7) for restrictions on CLONE_NEWUSER
with other CLONE_* flags.

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2014-09-13 20:16:02 -07:00
Michael Kerrisk 4dd85833c1 unshare.2: Document use of CLONE_THREAD, CLONE_SIGHAND, and CLONE_VM
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2014-09-13 20:16:01 -07:00
Michael Kerrisk f58fb24f16 clone.2, seteuid.2, setgid.2, setresuid.2, setreuid.2, setuid.2, unshare.2, capabilities.7, credentials.7: Change reference to namespaces(7) to user_namespaces(7)
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2014-09-13 20:15:59 -07:00
Michael Kerrisk 5c8d010b84 setns.2, unshare.2: Add reference to pid_namespaces(7)
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2014-09-13 20:15:59 -07:00
Michael Kerrisk 365d292a3c clone.2, unshare.2, namespaces.7: clone() and unshare() fail (EPERM) if caller's UID/GID are not mapped
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2014-09-13 20:15:59 -07:00
Michael Kerrisk 41096af101 clone.2, setns.2, unshare.2: SEE ALSO: add namespaces(7); remove proc(5)
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2014-09-13 20:15:57 -07:00
Michael Kerrisk 76f8f97395 unshare.2: wfix
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2014-09-13 20:15:57 -07:00
Michael Kerrisk 36ec1f75e4 unshare.2: Clarify that unshare(CLONE_NEWUSER) does confer capabilities on the caller
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2014-09-13 20:15:57 -07:00
Michael Kerrisk c79b7a8184 unshare.2: ffix
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2014-09-13 20:15:56 -07:00
Michael Kerrisk 3d02560dbb unshare.2: SEE ALSO: add proc(5)
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2014-09-13 20:15:56 -07:00
Michael Kerrisk f919b6e410 unshare.2: Add an example program
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2014-09-13 20:15:56 -07:00
Michael Kerrisk e939d607ea unshare.2: SEE ALSO: add unshare(1)
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2014-09-13 20:15:56 -07:00
Michael Kerrisk 2193656a7c unshare.2: Add some details to CLONE_NEWPID description
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2014-09-13 20:15:56 -07:00
Eric W. Biederman 37ee2d61e5 unshare.2: Add details to CLONE_NEWPID and CLONE_NEWUSER documentation
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2014-09-13 20:15:56 -07:00
Michael Kerrisk 8f141c5e3c unshare.2: Document CLONE_NEWPID
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2014-09-13 20:15:56 -07:00
Michael Kerrisk c2cd5a7fd9 unshare.2: Document CLONE_NEWUSER
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2014-09-13 20:15:56 -07:00
Michael Kerrisk eb359a0988 unshare.2: srcfix
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2014-09-13 20:15:56 -07:00
Michael Kerrisk 667f4c7891 unshare.2: tfix
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2014-09-13 20:15:56 -07:00
Michael Kerrisk efbfd7ecbc clone.2, execve.2, getpriority.2, ipc.2, kcmp.2, killpg.2, msgctl.2, msgget.2, msgop.2, select.2, semctl.2, semget.2, semop.2, setpgid.2, shmctl.2, shmget.2, shmop.2, sigaction.2, signal.2, socket.2, socketpair.2, syscalls.2, umask.2, unshare.2: ffix: Don't allow line break inside "System V" 2014-04-28 09:38:37 +02:00
Michael Kerrisk cba9638bfb unshare.2: srcfix: remove FIXME
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2014-03-11 11:41:45 +01:00
Michael Kerrisk 9ee4a2b6ec intro.1, time.1, access.2, acct.2, alloc_hugepages.2, bind.2, chdir.2, chmod.2, chown.2, chroot.2, clone.2, close.2, execve.2, fallocate.2, fcntl.2, getdents.2, getrusage.2, getxattr.2, init_module.2, inotify_add_watch.2, ioprio_set.2, kcmp.2, link.2, listxattr.2, lseek.2, madvise.2, mkdir.2, mknod.2, mmap.2, mount.2, move_pages.2, msgctl.2, nfsservctl.2, open.2, pivot_root.2, quotactl.2, read.2, readlink.2, removexattr.2, rename.2, rmdir.2, semctl.2, setfsgid.2, setfsuid.2, setresuid.2, setuid.2, setup.2, setxattr.2, shmctl.2, splice.2, spu_create.2, stat.2, statfs.2, swapon.2, symlink.2, sync.2, sync_file_range.2, sysfs.2, truncate.2, umount.2, unlink.2, unshare.2, ustat.2, utime.2, utimensat.2, write.2, btree.3, errno.3, fexecve.3, ftw.3, futimes.3, get_nprocs_conf.3, getcwd.3, getdirentries.3, getmntent.3, glob.3, mkfifo.3, mq_open.3, readdir.3, realpath.3, recno.3, remove.3, sem_open.3, shm_open.3, statvfs.3, sysconf.3, telldir.3, tmpfile.3, cciss.4, initrd.4, pts.4, sk98lin.4, vcs.4, core.5, filesystems.5, proc.5, boot.7, bootparam.7, capabilities.7, cpuset.7, credentials.7, feature_test_macros.7, fifo.7, hier.7, inotify.7, intro.7, mq_overview.7, path_resolution.7, pipe.7, sem_overview.7, shm_overview.7, spufs.7, symlink.7, unix.7, uri.7, sync.8: Global fix: s/file system/filesystem/
Notwithstanding 24d01c530c,
"filesystem" is the form used by the great majority of man pages
outside the man-pages project and in a number of other sources,
so let's go with that.

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2013-08-08 10:07:57 +02:00
Michael Kerrisk 9a86ff918e unshare.2, sched_getcpu.3, elf.5, capabilities.7: tstamp
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2013-04-19 13:36:54 +02:00
Michael Kerrisk d49198240b unshare.2: Update feature test macro requirements
The requirements quietly changed changed in glibc 2.14

See also http://www.sourceware.org/bugzilla/show_bug.cgi?id=4749

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2013-04-16 07:26:27 +02:00
Michael Kerrisk 2297bf0ef5 ldd.1, capget.2, clone.2, create_module.2, fallocate.2, futex.2, get_kernel_syms.2, get_thread_area.2, getcpu.2, getitimer.2, getpid.2, io_cancel.2, io_destroy.2, io_getevents.2, io_setup.2, io_submit.2, ioctl_list.2, mkdir.2, mknod.2, pciconfig_read.2, pivot_root.2, posix_fadvise.2, query_module.2, sendfile.2, set_thread_area.2, setns.2, unshare.2, __setfpucw.3, a64l.3, addseverity.3, argz_add.3, bindresvport.3, cabs.3, cacos.3, cacosh.3, canonicalize_file_name.3, carg.3, casin.3, casinh.3, catan.3, catanh.3, ccos.3, ccosh.3, cerf.3, cexp.3, cexp2.3, cimag.3, clog.3, clog10.3, clog2.3, cmsg.3, conj.3, cpow.3, cproj.3, creal.3, csin.3, csinh.3, csqrt.3, ctan.3, ctanh.3, des_crypt.3, envz_add.3, fdim.3, fma.3, fmax.3, fmemopen.3, fmin.3, fmtmsg.3, fpclassify.3, gamma.3, getpt.3, getrpcent.3, getrpcport.3, getttyent.3, isgreater.3, key_setsecret.3, lgamma.3, malloc_hook.3, mempcpy.3, nan.3, netlink.3, nextafter.3, putgrent.3, remove.3, remquo.3, rpc.3, rtime.3, rtnetlink.3, setaliasent.3, setnetgrent.3, signbit.3, significand.3, sincos.3, stdin.3, tgamma.3, xcrypt.3, xdr.3, cciss.4, hpsa.4, mouse.4, pts.4, sk98lin.4, tty_ioctl.4, wavelan.4, hosts.equiv.5, rpc.5, tzfile.5, boot.7, complex.7, ddp.7, fifo.7, futex.7, icmp.7, ip.7, ipv6.7, netdevice.7, netlink.7, packet.7, raw.7, rtnetlink.7, socket.7, tcp.7, udp.7, unix.7, x25.7, sync.8: Global fix: Put copyright info at top of page, followed by blank line and LICENSE
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2013-03-10 10:57:11 +01:00
Michael Kerrisk b55e2bb3db time.1, capget.2, pivot_root.2, unshare.2, des_crypt.3, netlink.3, wavelan.4, boot.7, netlink.7: Added LICENSE_START(GPL_NOVERSION_ONELINE)
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2013-03-10 10:57:10 +01:00