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224 Commits

Author SHA1 Message Date
Michael Kerrisk 6e00b7a858 iconv.1, ldd.1, accept.2, access.2, add_key.2, arch_prctl.2, bpf.2, chmod.2, chown.2, close_range.2, copy_file_range.2, execve.2, execveat.2, fanotify_mark.2, futex.2, futimesat.2, getpriority.2, intro.2, ioctl_tty.2, keyctl.2, link.2, membarrier.2, mkdir.2, mknod.2, mlock.2, mount.2, mount_setattr.2, open.2, open_by_handle_at.2, perf_event_open.2, pidfd_open.2, readlink.2, readv.2, rename.2, request_key.2, seccomp.2, sigaction.2, stat.2, statx.2, symlink.2, syscalls.2, umount.2, unlink.2, utimensat.2, wait.2, bsearch.3, fflush.3, getaddrinfo.3, getauxval.3, getopt.3, getsubopt.3, mkfifo.3, pthread_mutex_consistent.3, pthread_setname_np.3, pthread_tryjoin_np.3, scandir.3, sem_wait.3, stailq.3, strlen.3, strstr.3, termios.3, tsearch.3, wcslen.3, wcstok.3, wordexp.3, proc.5, capabilities.7, cgroups.7, fanotify.7, mount_namespaces.7, namespaces.7, path_resolution.7, pipe.7, posixoptions.7, user_namespaces.7, vdso.7, iconvconfig.8, ld.so.8: tstamp 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2021-08-27 02:44:07 +02:00
Michael Kerrisk 21b8af1f3c execve.2: The pathname given to interpreter is not necessarily absolute 
As pointed out by Nora, the example shown in the manual
page already demonstrates that the pathname is not absolute!

Reported-by: Nora Platiel <nplatiel@gmx.us>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2021-08-08 04:01:21 +02:00
Michael Kerrisk 8a7dd01825 execve.2: SEE ALSO: getauxval(3) 
getauxval(3) is useful background regarding execve(2).

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2021-08-08 03:55:54 +02:00
Štěpán Němec 85102346e3 execve.2: tfix 
Signed-off-by: Štěpán Němec <stepnem@gmail.com>
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2021-05-10 09:09:11 +12:00
Michael Kerrisk 1d767b552e getent.1, ldd.1, locale.1, localedef.1, memusage.1, memusagestat.1, mtrace.1, _exit.2, _syscall.2, accept.2, access.2, acct.2, add_key.2, adjtimex.2, alloc_hugepages.2, arch_prctl.2, bdflush.2, bind.2, bpf.2, brk.2, cacheflush.2, capget.2, chdir.2, chmod.2, chown.2, chroot.2, clock_getres.2, clock_nanosleep.2, clone.2, close.2, close_range.2, connect.2, copy_file_range.2, create_module.2, delete_module.2, dup.2, epoll_create.2, epoll_ctl.2, epoll_wait.2, eventfd.2, execve.2, execveat.2, fanotify_init.2, fanotify_mark.2, fcntl.2, flock.2, fork.2, fsync.2, futex.2, get_kernel_syms.2, get_mempolicy.2, get_robust_list.2, getcpu.2, getdents.2, getdomainname.2, getgid.2, getgroups.2, gethostname.2, getitimer.2, getpagesize.2, getpeername.2, getpid.2, getpriority.2, getrandom.2, getresuid.2, getrlimit.2, getrusage.2, getsid.2, getsockname.2, getsockopt.2, gettid.2, gettimeofday.2, getuid.2, getunwind.2, getxattr.2, idle.2, init_module.2, inotify_add_watch.2, inotify_rm_watch.2, io_cancel.2, io_destroy.2, io_getevents.2, io_setup.2, io_submit.2, ioctl.2, ioctl_console.2, ioctl_fat.2, ioctl_ficlonerange.2, ioctl_fideduperange.2, ioctl_fslabel.2, ioctl_getfsmap.2, ioctl_ns.2, ioctl_tty.2, ioctl_userfaultfd.2, ioperm.2, iopl.2, ipc.2, kcmp.2, kexec_load.2, keyctl.2, kill.2, link.2, listen.2, listxattr.2, llseek.2, lookup_dcookie.2, lseek.2, madvise.2, mbind.2, membarrier.2, memfd_create.2, migrate_pages.2, mincore.2, mkdir.2, mknod.2, mlock.2, mmap.2, mmap2.2, modify_ldt.2, mount.2, move_pages.2, mprotect.2, mq_getsetattr.2, mremap.2, msgctl.2, msgget.2, msgop.2, msync.2, nanosleep.2, nfsservctl.2, nice.2, open.2, open_by_handle_at.2, openat2.2, pause.2, pciconfig_read.2, perf_event_open.2, perfmonctl.2, personality.2, pidfd_getfd.2, pidfd_open.2, pidfd_send_signal.2, pipe.2, pivot_root.2, pkey_alloc.2, poll.2, posix_fadvise.2, prctl.2, pread.2, process_vm_readv.2, ptrace.2, query_module.2, quotactl.2, read.2, readahead.2, readdir.2, readlink.2, readv.2, reboot.2, recv.2, remap_file_pages.2, removexattr.2, rename.2, request_key.2, restart_syscall.2, rmdir.2, rt_sigqueueinfo.2, s390_guarded_storage.2, s390_pci_mmio_write.2, s390_runtime_instr.2, s390_sthyi.2, sched_get_priority_max.2, sched_rr_get_interval.2, sched_setaffinity.2, sched_setattr.2, sched_setparam.2, sched_setscheduler.2, sched_yield.2, seccomp.2, select.2, select_tut.2, semctl.2, semget.2, semop.2, send.2, sendfile.2, set_thread_area.2, seteuid.2, setfsgid.2, setfsuid.2, setgid.2, setpgid.2, setresuid.2, setreuid.2, setsid.2, setuid.2, setup.2, setxattr.2, sgetmask.2, shmctl.2, shmget.2, shmop.2, shutdown.2, sigaction.2, sigaltstack.2, signal.2, signalfd.2, sigpending.2, sigprocmask.2, sigreturn.2, sigsuspend.2, sigwaitinfo.2, socket.2, socketcall.2, socketpair.2, splice.2, spu_create.2, spu_run.2, stat.2, statfs.2, statx.2, stime.2, subpage_prot.2, swapon.2, symlink.2, sync.2, sync_file_range.2, syscall.2, syscalls.2, sysctl.2, sysfs.2, sysinfo.2, syslog.2, time.2, timer_create.2, timer_delete.2, timer_getoverrun.2, timer_settime.2, timerfd_create.2, times.2, tkill.2, truncate.2, umask.2, umount.2, uname.2, unimplemented.2, unlink.2, unshare.2, uselib.2, userfaultfd.2, ustat.2, utime.2, utimensat.2, vfork.2, vhangup.2, vm86.2, vmsplice.2, wait.2, wait4.2, write.2, CPU_SET.3, __ppc_get_timebase.3, __ppc_set_ppr_med.3, __ppc_yield.3, __setfpucw.3, a64l.3, abort.3, abs.3, acos.3, acosh.3, addseverity.3, adjtime.3, aio_cancel.3, aio_error.3, aio_fsync.3, aio_read.3, aio_return.3, aio_suspend.3, aio_write.3, alloca.3, argz_add.3, asin.3, asinh.3, asprintf.3, assert.3, assert_perror.3, atan.3, atan2.3, atanh.3, atexit.3, atof.3, atoi.3, backtrace.3, basename.3, bcmp.3, bcopy.3, bindresvport.3, bsd_signal.3, bsearch.3, bstring.3, btowc.3, byteorder.3, bzero.3, cabs.3, cacos.3, cacosh.3, canonicalize_file_name.3, carg.3, casin.3, casinh.3, catan.3, catanh.3, catgets.3, catopen.3, cbrt.3, ccos.3, ccosh.3, ceil.3, cexp.3, cexp2.3, cfree.3, cimag.3, circleq.3, clearenv.3, clock.3, clock_getcpuclockid.3, clog.3, clog10.3, clog2.3, closedir.3, cmsg.3, confstr.3, conj.3, copysign.3, cos.3, cosh.3, cpow.3, cproj.3, creal.3, crypt.3, csin.3, csinh.3, csqrt.3, ctan.3, ctanh.3, ctermid.3, ctime.3, daemon.3, des_crypt.3, difftime.3, dirfd.3, div.3, dl_iterate_phdr.3, dladdr.3, dlerror.3, dlinfo.3, dlopen.3, dlsym.3, drand48.3, drand48_r.3, duplocale.3, dysize.3, ecvt.3, ecvt_r.3, encrypt.3, endian.3, envz_add.3, erf.3, erfc.3, err.3, errno.3, error.3, ether_aton.3, euidaccess.3, exec.3, exit.3, exp.3, exp10.3, exp2.3, expm1.3, fabs.3, fclose.3, fcloseall.3, fdim.3, fenv.3, ferror.3, fexecve.3, fflush.3, ffs.3, fgetc.3, fgetgrent.3, fgetpwent.3, fgetwc.3, fgetws.3, fileno.3, finite.3, flockfile.3, floor.3, fma.3, fmax.3, fmemopen.3, fmin.3, fmod.3, fmtmsg.3, fnmatch.3, fopen.3, fopencookie.3, fpathconf.3, fpclassify.3, fpurge.3, fputwc.3, fputws.3, fread.3, frexp.3, fseek.3, fseeko.3, ftime.3, ftok.3, fts.3, ftw.3, futimes.3, fwide.3, gamma.3, gcvt.3, get_nprocs_conf.3, get_phys_pages.3, getaddrinfo.3, getaddrinfo_a.3, getauxval.3, getcontext.3, getcwd.3, getdate.3, getdirentries.3, getdtablesize.3, getentropy.3, getenv.3, getfsent.3, getgrent.3, getgrent_r.3, getgrnam.3, getgrouplist.3, gethostbyname.3, gethostid.3, getifaddrs.3, getipnodebyname.3, getline.3, getloadavg.3, getlogin.3, getmntent.3, getnameinfo.3, getnetent.3, getnetent_r.3, getopt.3, getpass.3, getprotoent.3, getprotoent_r.3, getpt.3, getpw.3, getpwent.3, getpwent_r.3, getpwnam.3, getrpcent.3, getrpcent_r.3, getrpcport.3, gets.3, getservent.3, getservent_r.3, getspnam.3, getsubopt.3, getttyent.3, getumask.3, getusershell.3, getutent.3, getutmp.3, getw.3, getwchar.3, glob.3, gnu_get_libc_version.3, grantpt.3, group_member.3, gsignal.3, hsearch.3, hypot.3, iconv.3, iconv_close.3, iconv_open.3, if_nameindex.3, if_nametoindex.3, ilogb.3, index.3, inet.3, inet_net_pton.3, inet_ntop.3, inet_pton.3, initgroups.3, insque.3, isalpha.3, isatty.3, isfdtype.3, isgreater.3, iswalnum.3, iswalpha.3, iswblank.3, iswcntrl.3, iswctype.3, iswdigit.3, iswgraph.3, iswlower.3, iswprint.3, iswpunct.3, iswspace.3, iswupper.3, iswxdigit.3, j0.3, key_setsecret.3, killpg.3, ldexp.3, lgamma.3, lio_listio.3, list.3, localeconv.3, lockf.3, log.3, log10.3, log1p.3, log2.3, logb.3, login.3, lrint.3, lround.3, lsearch.3, lseek64.3, makecontext.3, makedev.3, mallinfo.3, malloc.3, malloc_get_state.3, malloc_hook.3, malloc_info.3, malloc_stats.3, malloc_trim.3, malloc_usable_size.3, mallopt.3, matherr.3, mblen.3, mbrlen.3, mbrtowc.3, mbsinit.3, mbsnrtowcs.3, mbsrtowcs.3, mbstowcs.3, mbtowc.3, mcheck.3, memccpy.3, memchr.3, memcmp.3, memcpy.3, memfrob.3, memmem.3, memmove.3, mempcpy.3, memset.3, mkdtemp.3, mkfifo.3, mkstemp.3, mktemp.3, modf.3, mpool.3, mq_close.3, mq_getattr.3, mq_notify.3, mq_open.3, mq_receive.3, mq_send.3, mq_unlink.3, mtrace.3, nan.3, newlocale.3, nextafter.3, nextup.3, nl_langinfo.3, ntp_gettime.3, on_exit.3, open_memstream.3, opendir.3, openpty.3, perror.3, popen.3, posix_fallocate.3, posix_madvise.3, posix_memalign.3, posix_openpt.3, posix_spawn.3, pow.3, pow10.3, printf.3, profil.3, psignal.3, pthread_attr_init.3, pthread_attr_setaffinity_np.3, pthread_attr_setdetachstate.3, pthread_attr_setguardsize.3, pthread_attr_setinheritsched.3, pthread_attr_setschedparam.3, pthread_attr_setschedpolicy.3, pthread_attr_setscope.3, pthread_attr_setsigmask_np.3, pthread_attr_setstack.3, pthread_attr_setstackaddr.3, pthread_attr_setstacksize.3, pthread_cancel.3, pthread_cleanup_push.3, pthread_cleanup_push_defer_np.3, pthread_create.3, pthread_detach.3, pthread_equal.3, pthread_exit.3, pthread_getattr_default_np.3, pthread_getattr_np.3, pthread_getcpuclockid.3, pthread_join.3, pthread_kill.3, pthread_kill_other_threads_np.3, pthread_mutex_consistent.3, pthread_mutexattr_getpshared.3, pthread_mutexattr_setrobust.3, pthread_rwlockattr_setkind_np.3, pthread_self.3, pthread_setaffinity_np.3, pthread_setcancelstate.3, pthread_setconcurrency.3, pthread_setname_np.3, pthread_setschedparam.3, pthread_setschedprio.3, pthread_sigmask.3, pthread_sigqueue.3, pthread_spin_init.3, pthread_spin_lock.3, pthread_testcancel.3, pthread_tryjoin_np.3, pthread_yield.3, ptsname.3, putenv.3, putgrent.3, putpwent.3, puts.3, putwchar.3, qecvt.3, qsort.3, raise.3, rand.3, random.3, random_r.3, rcmd.3, re_comp.3, readdir.3, readdir_r.3, realpath.3, regex.3, remainder.3, remove.3, remquo.3, resolver.3, rewinddir.3, rexec.3, rint.3, round.3, rpc.3, rpmatch.3, rtime.3, rtnetlink.3, scalb.3, scalbln.3, scandir.3, scanf.3, sched_getcpu.3, seekdir.3, sem_close.3, sem_destroy.3, sem_getvalue.3, sem_init.3, sem_open.3, sem_post.3, sem_unlink.3, sem_wait.3, setaliasent.3, setbuf.3, setenv.3, setjmp.3, setlocale.3, setlogmask.3, setnetgrent.3, shm_open.3, siginterrupt.3, signbit.3, significand.3, sigpause.3, sigqueue.3, sigset.3, sigsetops.3, sigvec.3, sigwait.3, sin.3, sincos.3, sinh.3, sleep.3, slist.3, sockatmark.3, sqrt.3, stailq.3, statvfs.3, stdarg.3, stdio.3, stdio_ext.3, stpcpy.3, stpncpy.3, strcasecmp.3, strcat.3, strchr.3, strcmp.3, strcoll.3, strcpy.3, strdup.3, strerror.3, strfmon.3, strfromd.3, strfry.3, strftime.3, string.3, strlen.3, strnlen.3, strpbrk.3, strptime.3, strsep.3, strsignal.3, strspn.3, strstr.3, strtod.3, strtoimax.3, strtok.3, strtol.3, strtoul.3, strverscmp.3, strxfrm.3, swab.3, sysconf.3, syslog.3, system.3, sysv_signal.3, tailq.3, tan.3, tanh.3, tcgetpgrp.3, tcgetsid.3, telldir.3, tempnam.3, termios.3, tgamma.3, timegm.3, timeradd.3, tmpfile.3, tmpnam.3, toascii.3, toupper.3, towctrans.3, towlower.3, towupper.3, trunc.3, tsearch.3, ttyname.3, ttyslot.3, tzset.3, ualarm.3, ulimit.3, undocumented.3, ungetwc.3, unlocked_stdio.3, unlockpt.3, updwtmp.3, uselocale.3, usleep.3, wcpcpy.3, wcpncpy.3, wcrtomb.3, wcscasecmp.3, wcscat.3, wcschr.3, wcscmp.3, wcscpy.3, wcscspn.3, wcsdup.3, wcslen.3, wcsncasecmp.3, wcsncat.3, wcsncmp.3, wcsncpy.3, wcsnlen.3, wcsnrtombs.3, wcspbrk.3, wcsrchr.3, wcsrtombs.3, wcsspn.3, wcsstr.3, wcstoimax.3, wcstok.3, wcstombs.3, wcswidth.3, wctob.3, wctomb.3, wctrans.3, wctype.3, wcwidth.3, wmemchr.3, wmemcmp.3, wmemcpy.3, wmemmove.3, wmemset.3, wordexp.3, wprintf.3, xcrypt.3, xdr.3, y0.3, cciss.4, console_codes.4, dsp56k.4, hpsa.4, initrd.4, loop.4, lp.4, msr.4, random.4, rtc.4, smartpqi.4, veth.4, wavelan.4, acct.5, core.5, elf.5, hosts.5, locale.5, proc.5, resolv.conf.5, rpc.5, slabinfo.5, sysfs.5, tmpfs.5, utmp.5, address_families.7, aio.7, attributes.7, bootparam.7, capabilities.7, cgroups.7, complex.7, ddp.7, environ.7, epoll.7, fanotify.7, feature_test_macros.7, hier.7, inode.7, inotify.7, ip.7, ipv6.7, keyrings.7, locale.7, man-pages.7, man.7, math_error.7, mount_namespaces.7, namespaces.7, netdevice.7, netlink.7, numa.7, packet.7, pkeys.7, pthreads.7, queue.7, raw.7, rtnetlink.7, sched.7, session-keyring.7, shm_overview.7, sigevent.7, signal-safety.7, signal.7, sock_diag.7, socket.7, spufs.7, symlink.7, system_data_types.7, tcp.7, time_namespaces.7, udp.7, udplite.7, unicode.7, unix.7, uri.7, user_namespaces.7, vdso.7, vsock.7, x25.7, iconvconfig.8, ld.so.8, ldconfig.8, sln.8, tzselect.8: tstamp 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2021-03-22 00:15:34 +01:00
Jakub Wilk 86f733b4d8 execve.2: spfix 
"Mibibytes" is a misspelling of "mebibytes",
but let's use more familiar "MiB" instead.

Signed-off-by: Jakub Wilk <jwilk@jwilk.net>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2021-02-15 20:47:37 +01:00
Palmer Dabbelt 33f776b54c execve.2: Correct the versions of Linux that don't have ARG_MAX argv/envp size 
I just happened upon this inconsistent text while reading `man 2
execve`.  The code in question landed in 2.6.23 as b6a2fea39318
("mm: variable length argument support").

Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2021-02-14 09:01:17 +01:00
Michael Kerrisk b49c2acb42 Various pages: use real minus signs in pathnames 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2021-01-21 10:29:14 +01:00
Michael Kerrisk f6a4078be5 Various pages: Standardize wording around setting of 'errno' on error 
In the RETURN VALUE sections, a number of different wordings
are used in to describe the fact that 'errno' is set on error.
There's no reason for the difference in wordings, since the same
thing is being described in each case. Switch to a standard
wording that is the same as FreeBSD and similar to the wording
used in POSIX.1.

In this change, fix some instances stating that 'errno' is set
"appropriately" to instead say "to indicate the error".

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2021-01-07 14:27:35 +01:00
Michael Kerrisk c7db92b96a Various pages: Use .nf/.fi in SYNOPSIS 
The majority of pages use .nf/.fi in SYNOPSIS, but there are
still many that don't and use .br to achieve newlines. Fix many
of those. This brings greater consistency to the pages, which
eases editing and may ease future scripted edits to the pages.

Many of these changes were script-assisted, with some additional
manual edits.

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2021-01-03 13:09:47 +01:00
Alejandro Colomar e7ff75357d capget.2, execve.2, readv.2, socketpair.2, utime.2, utimensat.2, getloadavg.3, proc.5, mount_namespaces.7, unix.7: ffix 
{.IR var [x]} -> {.I var[x]}

There were around 15 entries of the former,
and around 360 of the latter.

Found using:
$ grep -rn '^\.I[ |R].* \[.*\]' |sort

Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-11-21 23:33:07 +01:00
Michael Kerrisk 88893a773c sprof.1, eventfd.2, execve.2, futex.2, getdents.2, mprotect.2, open_by_handle_at.2, recvmmsg.2, sched_setaffinity.2, CPU_SET.3, backtrace.3, bsearch.3, dl_iterate_phdr.3, dlinfo.3, duplocale.3, encrypt.3, envz_add.3, fopencookie.3, getaddrinfo.3, getaddrinfo_a.3, getdate.3, getgrent_r.3, getgrouplist.3, getifaddrs.3, getprotoent_r.3, getservent_r.3, hsearch.3, mallinfo.3, malloc_info.3, mbstowcs.3, mtrace.3, pthread_create.3, pthread_getcpuclockid.3, pthread_setaffinity_np.3, qsort.3, rand.3, strcat.3, strtok.3, tsearch.3, wordexp.3, core.5, aio.7, inotify.7, sock_diag.7, unix.7, user_namespaces.7: Use C99 style to declare loop counter variables 
Rather than:

    sometype x;

    for (x = ....; ...)

use

    for (sometype x = ...; ...)

This brings the declaration and use closer together (thus aiding
readability) and also clearly indicates the scope of the loop
counter variable.

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-09-05 17:20:12 +02:00
Michael Kerrisk ed6c69cab9 intro.1, clock_getres.2, execve.2, fcntl.2, iopl.2, lseek.2, mknod.2, mmap.2, mount.2, mq_getsetattr.2, pidfd_open.2, prctl.2, setns.2, sgetmask.2, sigaction.2, stat.2, statx.2, sync.2, syscalls.2, syslog.2, timerfd_create.2, umask.2, a64l.3, aio_init.3, atoi.3, dladdr.3, fread.3, getpt.3, isfdtype.3, malloc_stats.3, malloc_trim.3, mkfifo.3, mq_close.3, mq_open.3, mq_receive.3, mq_send.3, mq_unlink.3, posix_memalign.3, posix_openpt.3, pthread_atfork.3, pthread_rwlockattr_setkind_np.3, regex.3, scanf.3, sem_close.3, sem_destroy.3, sem_init.3, sem_open.3, sem_post.3, sem_unlink.3, sigset.3, sigvec.3, strftime.3, termios.3, console_codes.4, dsp56k.4, fd.4, lp.4, mouse.4, pts.4, sk98lin.4, dir_colors.5, proc.5, resolv.conf.5, termcap.5, utmp.5, aio.7, armscii-8.7, arp.7, capabilities.7, cgroups.7, charsets.7, cp1251.7, cp1252.7, environ.7, glob.7, inode.7, iso_8859-1.7, iso_8859-10.7, iso_8859-11.7, iso_8859-13.7, iso_8859-14.7, iso_8859-15.7, iso_8859-16.7, iso_8859-2.7, iso_8859-3.7, iso_8859-4.7, iso_8859-5.7, iso_8859-6.7, iso_8859-7.7, iso_8859-8.7, iso_8859-9.7, keyrings.7, koi8-r.7, koi8-u.7, mailaddr.7, man-pages.7, netdevice.7, operator.7, persistent-keyring.7, process-keyring.7, pthreads.7, pty.7, raw.7, regex.7, session-keyring.7, shm_overview.7, signal.7, socket.7, suffixes.7, thread-keyring.7, unicode.7, units.7, uri.7, user-keyring.7, user-session-keyring.7, iconvconfig.8, ld.so.8, zic.8: tstamp 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-08-13 10:01:14 +02:00
Michael Kerrisk 9ca13180d5 pldd.1, bpf.2, execve.2, futex.2, ioctl_fat.2, ioctl_tty.2, keyctl.2, signalfd.2, timerfd_create.2, __ppc_get_timebase.3, a64l.3, frexp.3, pthread_setname_np.3, regex.3, rpmatch.3, scanf.3, strfmon.3, strftime.3, termios.3, console_codes.4, vcs.4, veth.4, core.5, dir_colors.5, termcap.5, ascii.7, charsets.7, glob.7, man-pages.7, operator.7, regex.7, user_namespaces.7, zic.8: Use "\(ha" rather than "^" in code 
This renders better in PDF.

Reported-by: Geoff Clare <gwc@opengroup.org>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-08-09 10:22:22 +02:00
Michael Kerrisk 28a4c58cc2 intro.1, localedef.1, memusage.1, memusagestat.1, bpf.2, execve.2, fork.2, keyctl.2, request_key.2, sigaction.2, signal.2, socket.2, dlopen.3, getauxval.3, gnu_get_libc_version.3, pthread_atfork.3, sem_post.3, setjmp.3, strftime.3, veth.4, locale.5, nscd.conf.5, resolv.conf.5, address_families.7, armscii-8.7, ascii.7, capabilities.7, cgroups.7, charsets.7, cp1251.7, cp1252.7, iso_8859-1.7, iso_8859-10.7, iso_8859-11.7, iso_8859-13.7, iso_8859-14.7, iso_8859-15.7, iso_8859-16.7, iso_8859-2.7, iso_8859-3.7, iso_8859-4.7, iso_8859-5.7, iso_8859-6.7, iso_8859-7.7, iso_8859-8.7, iso_8859-9.7, keyrings.7, koi8-r.7, koi8-u.7, libc.7, locale.7, man.7, network_namespaces.7, persistent-keyring.7, session-keyring.7, signal.7, unicode.7, uri.7, user-keyring.7, user-session-keyring.7: ffix: replace - with real\- 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-07-06 14:28:51 +02:00
Michael Kerrisk 9e9a5b61b5 execve.2: tfix 
Reported-by: Helge Kreutzmann <debian@helgefjell.de>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-07-06 12:35:57 +02:00
Bjarni Ingi Gislason 77ca5b1d08 man2/*: srcfix: trim trailing space 
Remove superfluous space at the end of a processed input line.

  There is no change in the output from "nroff" and "groff".

Signed-off-by: Bjarni Ingi Gislason <bjarniig@rhi.hi.is>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-06-12 21:38:24 +02:00
Michael Kerrisk a14af333d6 Various pages: retitle EXAMPLE section heading to EXAMPLES 
EXAMPLES appears to be the wider majority usage across various
projects' manual pages, and is also what is used in the POSIX
manual pages.

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-05-31 10:45:27 +02:00
Nikola Forró bdc01e533e execve.2: Clarify signal sent to the process on late failure 
Signed-off-by: Nikola Forró <nforro@redhat.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-04-29 21:50:22 +02:00
Michael Kerrisk 95818f493c execve.2: Minor rewording 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-04-21 13:37:39 +02:00
Michael Kerrisk bf85b5e63a execve.2: Changes to the "dumpable" flag may change ownership of /proc/PID files 
Reported-by: Eric Hopper <hopper@omnifarious.org>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-04-21 13:10:06 +02:00
Michael Kerrisk 279aae0369 execve.2: SEE ALSO: add capabilities(7) 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-04-21 13:05:40 +02:00
Michael Kerrisk 3a30f19ce8 execve.2: Improve/correct discussion of changes to dumpable flag during execve(2) 
The details were not quite accurate. Defer to prctl(2)
for the more complete picture.

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-04-21 13:05:40 +02:00
Michael Kerrisk fb018a235d execve.2: tfix 
Reported-by: Helge Kreutzmann <debian@helgefjell.de>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-04-19 22:01:08 +02:00
Michael Kerrisk e8426ca2b4 getent.1, localedef.1, accept.2, arch_prctl.2, clock_getres.2, clock_nanosleep.2, connect.2, dup.2, epoll_create.2, epoll_ctl.2, epoll_wait.2, execve.2, getitimer.2, getsockopt.2, gettid.2, inotify_add_watch.2, inotify_init.2, io_submit.2, ioctl.2, lseek.2, madvise.2, mlock.2, mmap.2, mprotect.2, msgctl.2, msgop.2, open_by_handle_at.2, openat2.2, pidfd_open.2, poll.2, prctl.2, quotactl.2, s390_sthyi.2, select.2, select_tut.2, semctl.2, semget.2, semop.2, setns.2, shmctl.2, shmget.2, shmop.2, sigaction.2, stat.2, statx.2, syscalls.2, timer_create.2, timerfd_create.2, unshare.2, wait.2, CPU_SET.3, aio_init.3, atoi.3, des_crypt.3, dirfd.3, fmemopen.3, fopencookie.3, ftok.3, fts.3, getaddrinfo.3, getifaddrs.3, getrpcent.3, gsignal.3, lio_listio.3, nl_langinfo.3, posix_memalign.3, posix_openpt.3, posix_spawn.3, scanf.3, sem_init.3, sem_post.3, shm_open.3, strcmp.3, strftime.3, st.4, elf.5, group.5, proc.5, services.5, aio.7, cgroups.7, feature_test_macros.7, keyrings.7, man-pages.7, namespaces.7, path_resolution.7, sigevent.7, signal.7, socket.7, sysvipc.7, time.7, udp.7: tstamp 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-04-11 22:07:24 +02:00
Michael Kerrisk b51c940445 execve.2: ERRORS: ENOENT does not occur for missing shared libraries 
See http://sourceware.org/bugzilla/show_bug.cgi?id=12241.

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-03-12 09:24:44 +01:00
Michael Kerrisk 1923607c30 execve.2: wfix 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-02-28 08:41:51 +01:00
Michael Kerrisk 63433c537c execve.2: wfix 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-02-28 08:38:19 +01:00
Michael Kerrisk 5d92031a43 execve.2: Explicitly note that argv[argc] == NULL in the new program 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-02-28 08:38:19 +01:00
Michael Kerrisk 0262995818 execve.2: wfix 2020-02-28 08:32:32 +01:00
Michael Kerrisk 58a114f1d9 execve.2: Add a subhead for the discussion of effect on process attributes 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-02-23 09:58:23 +01:00
Michael Kerrisk 867c9b3408 localedef.1, close.2, copy_file_range.2, execve.2, get_robust_list.2, getdomainname.2, gethostname.2, inotify_add_watch.2, io_submit.2, ioctl_fideduperange.2, kcmp.2, kill.2, mmap.2, move_pages.2, perf_event_open.2, ptrace.2, rt_sigqueueinfo.2, sched_setaffinity.2, sched_setparam.2, setns.2, sigaction.2, signalfd.2, statx.2, syscall.2, syscalls.2, uname.2, write.2, errno.3, fexecve.3, getauxval.3, printf.3, pthread_mutex_consistent.3, pthread_mutexattr_init.3, pthread_mutexattr_setrobust.3, pthread_setcancelstate.3, regex.3, strtok.3, strtol.3, ttyname.3, smartpqi.4, core.5, resolv.conf.5, man-pages.7, mq_overview.7, operator.7, pthreads.7, signal-safety.7, sysvipc.7: Update timestamp 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2019-10-11 10:45:02 +02:00
Michael Kerrisk 549597a85f close.2, execve.2, io_submit.2, prctl.2, write.2: Remove section number from references to function in its own page 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2019-09-27 14:18:46 +02:00
Jakub Wilk ed386413f8 execve.2: tfix 
Signed-off-by: Jakub Wilk <jwilk@jwilk.net>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2019-07-13 10:15:48 -06:00
Michael Kerrisk 63059c4b52 execve.2: Some tweaks to Shawn Landden's patch 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2019-06-21 08:02:38 +02:00
Shawn Landden 60f16bf2fe execve.2: Add more detail about Shebangs 
Signed-off-by: Shawn Landden <shawn@git.icu>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2019-06-21 08:02:37 +02:00
Michael Kerrisk 44dceef0cd execve.2: Since Linux 5.1, the limit on the #! line is 255 chars (rather than 127) 
Reported-by: Eugene Syromyatnikov <evgsyr@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2019-06-19 21:06:11 +02:00
Michael Kerrisk 815d0561d0 execve.2: ffix 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2019-06-19 20:47:10 +02:00
Michael Kerrisk 8fa1a0223e execve.2: ffix: remove spaces that suggest a space is needed after #! 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2019-06-19 20:45:00 +02:00
Michael Kerrisk fc894c8f55 execve.2: Linux is not alone in ignoring the set-UID and set-GID bits for scripts 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2019-06-19 20:42:10 +02:00
Michael Kerrisk 2e3023c413 execve.2, setfsgid.2, setfsuid.2, splice.2, fopen.3, malloc_trim.3, posix_memalign.3, stdarg.3, sysconf.3, tsearch.3, elf.5, hostname.7, inode.7: tstamp 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2019-05-09 09:43:09 +02:00
Jakub Wilk 60ae21db4c intro.1, execve.2, getcontext.3, passwd.5, bpf-helpers.7: wfix 
Use gender-neutral pronouns.

Signed-off-by: Jakub Wilk <jwilk@jwilk.net>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2019-05-06 14:49:18 -05:00
Michael Kerrisk 3a66e3293d execve.2: wfix 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2019-05-05 07:36:37 -05:00
Michael Kerrisk 4a696f5ebd execve.2: Note that stack+environ size is also limited to 3/4 of _STK_LIM 
In fs/exec.c::prepare_arg_pages(), we have:

        limit = _STK_LIM / 4 * 3;
        limit = min(limit, bprm->rlim_stack.rlim_cur / 4);

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2019-05-05 07:34:13 -05:00
Michael Kerrisk f77c624f27 execve.2: SEE ALSO: refer to exec(3) (rather than execl(3)) 
Reported-by: Dr. Jürgen Sauermann <mail@xn--jrgen-sauermann-zvb.de>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2019-03-08 17:56:13 +01:00
Michael Kerrisk 3f5755f6ef execve.2, exec.3: Consistently use the term 'pathname' (not 'path') 
Reported-by: Dr. Jürgen Sauermann <mail@xn--jrgen-sauermann-zvb.de>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2019-03-08 17:52:17 +01:00
Michael Kerrisk c49cdd1ce0 execve.2: wfix 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2019-03-08 17:50:06 +01:00
Michael Kerrisk d1a719857b locale.1, memusage.1, pldd.1, _syscall.2, add_key.2, bind.2, bpf.2, chown.2, clone.2, copy_file_range.2, eventfd.2, execve.2, futex.2, getdents.2, getrlimit.2, ioctl_fat.2, ioctl_ns.2, kcmp.2, kexec_load.2, keyctl.2, listxattr.2, lseek.2, membarrier.2, memfd_create.2, mmap.2, mprotect.2, msgop.2, open_by_handle_at.2, perf_event_open.2, pipe.2, readdir.2, readlink.2, readv.2, recvmmsg.2, request_key.2, sched_setaffinity.2, seccomp.2, select.2, select_tut.2, sendmmsg.2, setns.2, signalfd.2, spu_run.2, stat.2, sysctl.2, tee.2, timer_create.2, timerfd_create.2, truncate.2, uname.2, unshare.2, userfaultfd.2, ustat.2, wait.2, CPU_SET.3, __ppc_get_timebase.3, argz_add.3, asprintf.3, backtrace.3, basename.3, bswap.3, bzero.3, cacos.3, cacosh.3, catan.3, catanh.3, catgets.3, clock_getcpuclockid.3, confstr.3, ctime.3, dl_iterate_phdr.3, dlinfo.3, duplocale.3, encrypt.3, end.3, endian.3, fgetws.3, fmemopen.3, fopencookie.3, fputws.3, frexp.3, ftw.3, get_nprocs_conf.3, get_phys_pages.3, getaddrinfo.3, getaddrinfo_a.3, getdate.3, getgrouplist.3, getifaddrs.3, getline.3, getlogin.3, getopt.3, getpass.3, getprotoent_r.3, getpwnam.3, getservent_r.3, getsubopt.3, glob.3, gnu_get_libc_version.3, hsearch.3, if_nameindex.3, index.3, inet.3, inet_net_pton.3, inet_pton.3, insque.3, iswblank.3, iswspace.3, makecontext.3, mallinfo.3, malloc_hook.3, malloc_info.3, mallopt.3, matherr.3, mbrtowc.3, mbsnrtowcs.3, mbsrtowcs.3, mbstowcs.3, mbtowc.3, mcheck.3, memchr.3, mq_getattr.3, mq_notify.3, newlocale.3, nl_langinfo.3, offsetof.3, perror.3, posix_spawn.3, printf.3, pthread_attr_init.3, pthread_cancel.3, pthread_cleanup_push.3, pthread_create.3, pthread_getattr_default_np.3, pthread_getattr_np.3, pthread_getcpuclockid.3, pthread_mutexattr_setrobust.3, pthread_setaffinity_np.3, pthread_setname_np.3, pthread_setschedparam.3, pthread_sigmask.3, qsort.3, rand.3, readdir.3, regex.3, rpmatch.3, rtime.3, scanf.3, sem_wait.3, setaliasent.3, setbuf.3, stpcpy.3, stpncpy.3, strcat.3, strchr.3, strcpy.3, strdup.3, strerror.3, strfromd.3, strftime.3, strlen.3, strnlen.3, strsep.3, strstr.3, strtok.3, strtol.3, strtoul.3, strverscmp.3, strxfrm.3, termios.3, tsearch.3, wcpcpy.3, wcpncpy.3, wcrtomb.3, wcscat.3, wcscpy.3, wcslen.3, wcsncat.3, wcsncmp.3, wcsncpy.3, wcsnlen.3, wcsnrtombs.3, wcsrtombs.3, wcsstr.3, wcstok.3, wcstombs.3, wcwidth.3, wprintf.3, console_codes.4, dsp56k.4, full.4, initrd.4, loop.4, vcs.4, charmap.5, core.5, elf.5, locale.5, proc.5, repertoiremap.5, sysfs.5, termcap.5, aio.7, bpf-helpers.7, cgroups.7, charsets.7, complex.7, fanotify.7, feature_test_macros.7, inotify.7, locale.7, man-pages.7, man.7, pkeys.7, pthreads.7, rtld-audit.7, sock_diag.7, unix.7, user_namespaces.7, utf-8.7: Use '\e' rather than '\\' to get a backslash 
Quoting Branden:

*roff escape sequences may sometimes look like C escapes, but that
is misleading.  *roff is in part a macro language and that means
recursive expansion to arbitrary depths.

You can get away with "\\" in a context where no macro expansion
is taking place, but try to spell a literal backslash this way in
the argument to a macro and you will likely be unhappy with
results.

Try viewing the attached file with "man -l".

"\e" is the preferred and portable way to get a portable "escape
literal" going back to CSTR #54, the original Bell Labs troff
paper.

groff(7) discusses the issue:

  \\     reduces to a single backslash; useful to delay its
         interpretation as escape character in copy mode.  For a
         printable backslash, use \e, or even better \[rs], to be
         independent from the current escape character.

As of groff 1.22.4, groff_man(7) does as well:

  \e     Widely used in man pages to represent a backslash output
         glyph.  It works reliably as long as the .ec request is
         not used, which should never happen in man pages, and it
         is slightly more portable than the more exact ‘\(rs’
         (“reverse solidus”) escape sequence.

People not concerned with portability to extremely old troffs should
probably just use \(rs (or \[rs]), as it means "the backslash
glyph", not "the glyph corresponding to whatever the current escape
character is".

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2019-02-27 15:32:50 +01:00
Michael Kerrisk 09b8afdc04 execve.2, fallocate.2, getrlimit.2, io_submit.2, membarrier.2, mmap.2, msgget.2, open.2, ptrace.2, readv.2, semget.2, shmget.2, shutdown.2, syscall.2, wait.2, wait4.2, crypt.3, encrypt.3, fseek.3, getcwd.3, makedev.3, pthread_create.3, puts.3, tsearch.3, elf.5, filesystems.5, group.5, passwd.5, sysfs.5, mount_namespaces.7, posixoptions.7, time.7, unix.7, vdso.7, xattr.7, ld.so.8: tstamp 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2018-04-30 17:41:31 +02:00
Michael Kerrisk b59de1c652 execve.2: More explicitly describe effect of execve() in the opening paragraph 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2018-02-16 12:29:38 +01:00