diff --git a/Changes b/Changes index 0eb033629..a6fb1f4bb 100644 --- a/Changes +++ b/Changes @@ -1,6 +1,6 @@ -==================== Changes in man-pages-5.06 ==================== +==================== Changes in man-pages-5.07 ==================== -Released: 2020-04-11, Munich +Released: ????-??-??, Munich Contributors @@ -10,44 +10,6 @@ The following people contributed patches/fixes or (noted in brackets in the changelog below) reports, notes, and ideas that have been incorporated in changes in this release: -Alejandro Colomar -Aleksa Sarai -Alexander Miller -Andrea Arcangeli -André Almeida -Andrei Vagin -Andrew Micallef -Bart Van Assche -Benjamin Peterson -Bjarni Ingi Gislason -Christian Brauner -devi R.K -Dmitry Safonov -Eric Biggers -Eric Dumazet -Eric Rannaud -Eugene Syromyatnikov -Heinrich Schuchardt -Helge Deller -Jakub Wilk -Jorgen Hansen -Julia Suvorova -Keno Fischer -Krzysztof Małysa -Marc Lehmann -Matthew Bobrowski -Michael Galassi -Michael Kerrisk -Michal Hocko -Mike Christie -Mike Frysinger -Pablo M. Ronchi -Ricardo Biehl Pasquali -Stefan Hajnoczi -Stefano Garzarella -Thomas Gleixner -Walter Harms -Zack Weinberg Apologies if I missed anyone! @@ -55,436 +17,19 @@ Apologies if I missed anyone! New and rewritten pages ----------------------- -openat2.2 - Aleksa Sarai [Michael Kerrisk] - Document new openat2(2) syscall - -pidfd_getfd.2 - Michael Kerrisk [Christian Brauner] - New manual page documenting the pidfd_getfd() system call - -select.2 - Michael Kerrisk - Rewrite DESCRIPTION - Improve structure and readability, at the same time incorporating - text and details that were formerly in select_tut(2). Also - move a few details in other parts of the page into DESCRIPTION. - Michael Kerrisk - Consolidate the discussion of pselect into a headed subsection - Michael Kerrisk - Consolidate historical glibc pselect() details under one subhead - Michael Kerrisk - Consolidate info on usleep() emulation in one place - Michael Kerrisk - Place the discussion of the self-pipe technique in a headed subsection - Michael Kerrisk - Note that FD_SET() and FD_CLR() do not return errors - Michael Kerrisk - Remove details of historical #include requirements - The POSIX situation has been the norm for a long time now, - and including ancient details overcomplicates the page. - Michael Kerrisk - Remove some ancient information about pre-POSIX types for 'timeout' - -select_tut.2 - Michael Kerrisk - Eliminate duplication of info across select_tut.2 and select2 - There was a lot of a duplication of info in SYNOPSIS, DESCRIPTION - RETURN VALUE, and SEE ALSO. Move all of the info to one place: - the select(2) page. - -sysvipc.7 - Michael Kerrisk - Rewrite this page as just a summary of the System V IPC APIs - All of the other details in this page have by now been moved into - the relevant *ctl(2) pages. - -time_namespaces.7 - Michael Kerrisk [Andrei Vagin, Dmitry Safonov, Thomas Gleixner] - New page documenting time namespaces - Newly documented interfaces in existing pages --------------------------------------------- -arch_prctl.2 - Keno Fischer - Add ARCH_SET_CPUID subcommand -clock_getres.2 - Benjamin Peterson - Document CLOCK_TAI - Michael Kerrisk - Add CLOCK_REALTIME_ALARM and CLOCK_BOOTTIME_ALARM - -prctl.2 - Mike Christie [Michal Hocko, Michael Kerrisk, Bart Van Assche] - Document PR_SETIO_FLUSHER/GET_IO_FLUSHER - -setns.2 - Michael Kerrisk - Document CLONE_NEWTIME - -statx.2 - Eric Biggers - Document STATX_ATTR_VERITY - -unshare.2 - Michael Kerrisk - Document CLONE_NEWTIME - -socket.7 - Ricardo Biehl Pasquali, Michael Kerrisk - Add description of SO_SELECT_ERR_QUEUE - Alejandro Colomar [Michael Kerrisk] - Document SO_TIMESTAMPNS +New and changed links +--------------------- Global changes -------------- -Various pages - Michael Kerrisk - Remove a few mentions of the ancient "Linux libc" - -Various pages - Michael Kerrisk - Global formatting fix: disfavor nonstandard .TP indents - In many cases, these don't improve readability, and (when stacked) - they sometimes have the side effect of sometimes forcing text - to be justified within a narrow column range. - -Various pages - Michael Kerrisk [Christian Brauner] - Fix clumsy wording around "nonnegative file descriptors" - Changes to individual pages --------------------------- -clock_getres.2 - Helge Deller [Michael Kerrisk] - Consecutive calls for CLOCK_MONOTONIC may return same value - Consecutive calls to clock_gettime(CLOCK_MONOTONIC) are guaranteed - to return MONOTONIC values, which means that they either return - the *SAME* time value like the last call, or a later (higher) time - value. - Eric Rannaud - Dynamic POSIX clock devices can return other errors - Michael Kerrisk - Improve description of CPU-time clocks - Michael Kerrisk - Add an example program - Michael Kerrisk - CLOCK_REALTIME_COARSE is not settable - Michael Kerrisk - Note that CPU-time clocks are not settable. - Explicitly note that CLOCK_PROCESS_CPUTIME_ID and - CLOCK_PROCESS_CPUTIME_ID are not settable. - Michael Kerrisk - Clarify that CLOCK_TAI is nonsettable - Michael Kerrisk - Clarify that CLOCK_MONOTONIC is system-wide - Michael Kerrisk - ERRORS: add EINVAL for attempt to set a nonsettable clock - Michael Kerrisk - Move text in BUGS to NOTES - The fact that CLOCK_PROCESS_CPUTIME_ID and - CLOCK_PROCESS_CPUTIME_ID are not settable isn't a bug, - since POSIX does allow the possibility that these clocks - are not settable. - Michael Kerrisk - SEE ALSO: add time_namespaces(7) - -clock_nanosleep.2 - Michael Kerrisk - clock_nanosleep() can also sleep against CLOCK_TAI - Michael Kerrisk - clock_nanosleep() also supports CLOCK_BOOTTIME - Presumably (and from a quick glance at the source code) - since Linux 2.6.39, when CLOCK_BOOTTIME was introduced. - -clock_nanosleep.2 -timer_create.2 -timerfd_create.2 - Michael Kerrisk - Add various missing errors - Mostly verified by testing and reading the code. - - There is unfortunately quite a bit of inconsistency across API~s: - - clock_gettime clock_settime clock_nanosleep timer_create timerfd_create - - CLOCK_BOOTTIME y n (EINVAL) y y y - CLOCK_BOOTTIME_ALARM y n (EINVAL) y [1] y [1] y [1] - CLOCK_MONOTONIC y n (EINVAL) y y y - CLOCK_MONOTONIC_COARSE y n (EINVAL) n (ENOTSUP) n (ENOTSUP) n (EINVAL) - CLOCK_MONOTONIC_RAW y n (EINVAL) n (ENOTSUP) n (ENOTSUP) n (EINVAL) - CLOCK_REALTIME y y y y y - CLOCK_REALTIME_ALARM y n (EINVAL) y [1] y [1] y [1] - CLOCK_REALTIME_COARSE y n (EINVAL) n (ENOTSUP) n (ENOTSUP) n (EINVAL) - CLOCK_TAI y n (EINVAL) y y n (EINVAL) - CLOCK_PROCESS_CPUTIME_ID y n (EINVAL) y y n (EINVAL) - CLOCK_THREAD_CPUTIME_ID y n (EINVAL) n (EINVAL [2]) y n (EINVAL) - pthread_getcpuclockid() y n (EINVAL) y y n (EINVAL) - - [1] The caller must have CAP_WAKE_ALARM, or the error EPERM results. - - [2] This error is generated in the glibc wrapper. - -connect.2 - Michael Kerrisk [Eric Dumazet] - Update the details on AF_UNSPEC - Update the details on AF_UNSPEC and circumstances in which - socket can be reconnected. - -dup.2 - Michael Kerrisk - SEE ALSO: add pidfd_getfd(2) - -epoll_ctl.2 - Michael Kerrisk - Various minor additions and clarifications - -epoll_wait.2 - Michael Kerrisk - A few minor additions and rewrites - -execve.2 - Michael Kerrisk - Add a subhead for the discussion of effect on process attributes - Michael Kerrisk - Explicitly note that argv[argc] == NULL in the new program - Michael Kerrisk - ERRORS: ENOENT does not occur for missing shared libraries - See http://sourceware.org/bugzilla/show_bug.cgi?id=12241. - -_exit.2 - Michael Kerrisk - Clarify that raw _exit() system call terminates only the calling thread - -inotify_add_watch.2 - Michael Kerrisk - EXAMPLE: add reference to example in inotify(7) - -io_submit.2 - Julia Suvorova - Add IOCB_CMD_POLL opcode - -lseek.2 - Michael Kerrisk - ERRORS: ENXIO can also occur SEEK_DATA in middle of hole at end of file - -madvise.2 - Michael Kerrisk [Andrea Arcangeli] - Incorporate some (ancient) comments about MADV_HUGEPAGE - Back in 2011, a mail from Andrea Arcangeli noted some details - that I never got round to incorporating into the manual page. - -mmap.2 - Michael Kerrisk - Add a subhead for the 'flags' argument - Michael Kerrisk - Move some text hidden at the end of DESCRIPTION to NOTES - -msgctl.2 - Michael Kerrisk - Add information on permission bits (based on sysvipc(7) text) - Michael Kerrisk - Copy information on 'msqid_ds' fields from sysvipc(7) - -open.2 - Michael Kerrisk - Clarify that O_NOFOLLOW is relevant (only) for basename of 'pathname' - Aleksa Sarai - Add references to new openat2(2) page - Michael Kerrisk - Note EINVAL error for invalid character in basename of 'pathname' - -pidfd_open.2 - Michael Kerrisk - Mention pidfd_getfd(2) - -poll.2 - Michael Kerrisk - Add an example program - Michael Kerrisk - Mention epoll(7) in the introductory paragraph - Michael Kerrisk - Improve description of EFAULT error - Michael Kerrisk - Fix description of ENOMEM error - -select_tut.2 - Michael Kerrisk - Adjust header file includes in example - Employ , rather than the historical header files. - -semctl.2 - Michael Kerrisk - Copy information on 'semid_ds' fields from sysvipc(7) - Michael Kerrisk - Add a reference to the example in shmop(2) - Michael Kerrisk - Add information on permission bits (based on sysvipc(7) text) - -semget.2 - Michael Kerrisk - EXAMPLE: add an example program - -semop.2 - Michael Kerrisk - Add a reference to the semop(2) example in shmop(2) - -shmctl.2 - Michael Kerrisk - Add information on permission bits (based on sysvipc(7) text) - Michael Kerrisk - Note that execute permission is not needed for shmat() SHM_EXEC - Michael Kerrisk - Copy information on 'shmid_ds' fields from sysvipc(7) - Michael Kerrisk - Some small improvements to the description of the 'shmid_ds' structure - -shmget.2 - Michael Kerrisk - Add a reference to the example in shmop(2) - -shmop.2 - Michael Kerrisk - EXAMPLE: add a pair of example programs - Add example programs demonstrating usage of shmget(2), shmat(2), - semget(2), semctl(2), and semop(2). - -sigaction.2 -signal.7 - Zack Weinberg - Document kernel bugs in delivery of signals from CPU exceptions - -stat.2 - Michael Kerrisk - Clarify definitions of timestamp fields - In particular, make it clear that atime and mtime relate to the - file *data*. - -syscalls.2 - Michael Kerrisk - Add new Linux 5.6 system calls - Michael Kerrisk - Note that the 5.x series followed 4.20 - -timer_create.2 - Michael Kerrisk - timer_create(2) also supports CLOCK_TAI - Michael Kerrisk - Mention clock_getres(2) for further details on the various clocks - -timerfd_create.2 - Michael Kerrisk [Thomas Gleixner] - Note a case where timerfd_settime() can fail with ECANCELED - Michael Kerrisk [devi R.K, Thomas Gleixner] - Negative changes to CLOCK_REALTIME may cause read() to return 0 - Michael Kerrisk - Rework text for EINVAL for invalid clock ID - Michael Kerrisk - Refer reader to clock_getres(2) for further details on the clocks - -unshare.2 - Michael Kerrisk - Add CLONE_NEWCGROUP and CLONE_NEWTIME to example program - -exit.3 - Michael Kerrisk [Walter Harms] - Small improvement to the discussion of 'status' argument - -ftok.3 - Michael Kerrisk - EXAMPLE: add a reference to the example in semget(2) - -getifaddrs.3 - Michael Kerrisk [Michael Galassi] - EXAMPLE: remove unneeded loop variable - -nl_langinfo.3 - Eugene Syromyatnikov - Document era-related locale elements - Eugene Syromyatnikov - Add information about AM/PM time format locale elements - Eugene Syromyatnikov - Mention the respective strftime(3) conversion specifications - -sem_init.3 - Michael Kerrisk - Add references to example code in shm_open(3) and sem_wait(3) - -sem_post.3 - Michael Kerrisk - Add a reference to code example code in shm_open(3) - -shm_open.3 - Michael Kerrisk - EXAMPLE: add some example programs - -strcmp.3 - Michael Kerrisk - Add an example program - Michael Kerrisk [Andrew Micallef, Walter Harms] - Rework text describing return value to be clearer - Michael Kerrisk - Note that the comparison is done using unsigned char - Michael Kerrisk - SEE ALSO: add ascii(7) - -strftime.3 - Eugene Syromyatnikov [Michael Kerrisk] - Refer to the relevant nl_langinfo(3) items - Eugene Syromyatnikov - Expand %E and %O description - Eugene Syromyatnikov - Consistently document fall-back format string - -proc.5 - Mike Frysinger - Clarify /proc/[pid]/cmdline mutability - -cgroups.7 - Michael Kerrisk - Update list of cgroups v2 controllers - Update the list of cgroups v2 controllers (several controllers - were missing). - Michael Kerrisk - Add a subsection on cgroup v2 mount options and include 'nsdelegate' - Michael Kerrisk - Document the cgroups v2 'memory_localevents' mount option - Michael Kerrisk - SEE ALSO: add Documentation/admin-guide/cgroup-v2.rst - -namespaces.7 - Michael Kerrisk - Add time namespaces information - Michael Kerrisk - Eliminate some superfluous info from display of /proc/PID/ns links - -path_resolution.7 - Aleksa Sarai - Update to mention openat2(2) features - -socket.7 - Michael Kerrisk - Note SCM message types for SO_TIMESTAMP and SO_TIMESTAMPNS - -tcp.7 - Michael Kerrisk - SEE ALSO: mention Documentation/networking/ip-sysctl.txt - -time.7 - Michael Kerrisk - Add small subsection on clocks and time namespaces - -unix.7 - Heinrich Schuchardt - Correct example - -vsock.7 - Stefano Garzarella [Jorgen Hansen, Stefan Hajnoczi] - Add VMADDR_CID_LOCAL description diff --git a/Changes.old b/Changes.old index 8c9d78f85..38da83271 100644 --- a/Changes.old +++ b/Changes.old @@ -50568,3 +50568,495 @@ vsock.7 ldconfig.8 DJ Delorie Document file filter and symlink pattern expectations + + +==================== Changes in man-pages-5.06 ==================== + +Released: 2020-04-11, Munich + + +Contributors +------------ + +The following people contributed patches/fixes or (noted in brackets +in the changelog below) reports, notes, and ideas that have been +incorporated in changes in this release: + +Alejandro Colomar +Aleksa Sarai +Alexander Miller +Andrea Arcangeli +André Almeida +Andrei Vagin +Andrew Micallef +Bart Van Assche +Benjamin Peterson +Bjarni Ingi Gislason +Christian Brauner +devi R.K +Dmitry Safonov +Eric Biggers +Eric Dumazet +Eric Rannaud +Eugene Syromyatnikov +Heinrich Schuchardt +Helge Deller +Jakub Wilk +Jorgen Hansen +Julia Suvorova +Keno Fischer +Krzysztof Małysa +Marc Lehmann +Matthew Bobrowski +Michael Galassi +Michael Kerrisk +Michal Hocko +Mike Christie +Mike Frysinger +Pablo M. Ronchi +Ricardo Biehl Pasquali +Stefan Hajnoczi +Stefano Garzarella +Thomas Gleixner +Walter Harms +Zack Weinberg + +Apologies if I missed anyone! + + +New and rewritten pages +----------------------- + +openat2.2 + Aleksa Sarai [Michael Kerrisk] + Document new openat2(2) syscall + +pidfd_getfd.2 + Michael Kerrisk [Christian Brauner] + New manual page documenting the pidfd_getfd() system call + +select.2 + Michael Kerrisk + Rewrite DESCRIPTION + Improve structure and readability, at the same time incorporating + text and details that were formerly in select_tut(2). Also + move a few details in other parts of the page into DESCRIPTION. + Michael Kerrisk + Consolidate the discussion of pselect into a headed subsection + Michael Kerrisk + Consolidate historical glibc pselect() details under one subhead + Michael Kerrisk + Consolidate info on usleep() emulation in one place + Michael Kerrisk + Place the discussion of the self-pipe technique in a headed subsection + Michael Kerrisk + Note that FD_SET() and FD_CLR() do not return errors + Michael Kerrisk + Remove details of historical #include requirements + The POSIX situation has been the norm for a long time now, + and including ancient details overcomplicates the page. + Michael Kerrisk + Remove some ancient information about pre-POSIX types for 'timeout' + +select_tut.2 + Michael Kerrisk + Eliminate duplication of info across select_tut.2 and select2 + There was a lot of a duplication of info in SYNOPSIS, DESCRIPTION + RETURN VALUE, and SEE ALSO. Move all of the info to one place: + the select(2) page. + +sysvipc.7 + Michael Kerrisk + Rewrite this page as just a summary of the System V IPC APIs + All of the other details in this page have by now been moved into + the relevant *ctl(2) pages. + +time_namespaces.7 + Michael Kerrisk [Andrei Vagin, Dmitry Safonov, Thomas Gleixner] + New page documenting time namespaces + + +Newly documented interfaces in existing pages +--------------------------------------------- + +arch_prctl.2 + Keno Fischer + Add ARCH_SET_CPUID subcommand + +clock_getres.2 + Benjamin Peterson + Document CLOCK_TAI + Michael Kerrisk + Add CLOCK_REALTIME_ALARM and CLOCK_BOOTTIME_ALARM + +prctl.2 + Mike Christie [Michal Hocko, Michael Kerrisk, Bart Van Assche] + Document PR_SETIO_FLUSHER/GET_IO_FLUSHER + +setns.2 + Michael Kerrisk + Document CLONE_NEWTIME + +statx.2 + Eric Biggers + Document STATX_ATTR_VERITY + +unshare.2 + Michael Kerrisk + Document CLONE_NEWTIME + +socket.7 + Ricardo Biehl Pasquali, Michael Kerrisk + Add description of SO_SELECT_ERR_QUEUE + Alejandro Colomar [Michael Kerrisk] + Document SO_TIMESTAMPNS + + +Global changes +-------------- + +Various pages + Michael Kerrisk + Remove a few mentions of the ancient "Linux libc" + +Various pages + Michael Kerrisk + Global formatting fix: disfavor nonstandard .TP indents + In many cases, these don't improve readability, and (when stacked) + they sometimes have the side effect of sometimes forcing text + to be justified within a narrow column range. + +Various pages + Michael Kerrisk [Christian Brauner] + Fix clumsy wording around "nonnegative file descriptors" + + +Changes to individual pages +--------------------------- + +clock_getres.2 + Helge Deller [Michael Kerrisk] + Consecutive calls for CLOCK_MONOTONIC may return same value + Consecutive calls to clock_gettime(CLOCK_MONOTONIC) are guaranteed + to return MONOTONIC values, which means that they either return + the *SAME* time value like the last call, or a later (higher) time + value. + Eric Rannaud + Dynamic POSIX clock devices can return other errors + Michael Kerrisk + Improve description of CPU-time clocks + Michael Kerrisk + Add an example program + Michael Kerrisk + CLOCK_REALTIME_COARSE is not settable + Michael Kerrisk + Note that CPU-time clocks are not settable. + Explicitly note that CLOCK_PROCESS_CPUTIME_ID and + CLOCK_PROCESS_CPUTIME_ID are not settable. + Michael Kerrisk + Clarify that CLOCK_TAI is nonsettable + Michael Kerrisk + Clarify that CLOCK_MONOTONIC is system-wide + Michael Kerrisk + ERRORS: add EINVAL for attempt to set a nonsettable clock + Michael Kerrisk + Move text in BUGS to NOTES + The fact that CLOCK_PROCESS_CPUTIME_ID and + CLOCK_PROCESS_CPUTIME_ID are not settable isn't a bug, + since POSIX does allow the possibility that these clocks + are not settable. + Michael Kerrisk + SEE ALSO: add time_namespaces(7) + +clock_nanosleep.2 + Michael Kerrisk + clock_nanosleep() can also sleep against CLOCK_TAI + Michael Kerrisk + clock_nanosleep() also supports CLOCK_BOOTTIME + Presumably (and from a quick glance at the source code) + since Linux 2.6.39, when CLOCK_BOOTTIME was introduced. + +clock_nanosleep.2 +timer_create.2 +timerfd_create.2 + Michael Kerrisk + Add various missing errors + Mostly verified by testing and reading the code. + + There is unfortunately quite a bit of inconsistency across API~s: + + clock_gettime clock_settime clock_nanosleep timer_create timerfd_create + + CLOCK_BOOTTIME y n (EINVAL) y y y + CLOCK_BOOTTIME_ALARM y n (EINVAL) y [1] y [1] y [1] + CLOCK_MONOTONIC y n (EINVAL) y y y + CLOCK_MONOTONIC_COARSE y n (EINVAL) n (ENOTSUP) n (ENOTSUP) n (EINVAL) + CLOCK_MONOTONIC_RAW y n (EINVAL) n (ENOTSUP) n (ENOTSUP) n (EINVAL) + CLOCK_REALTIME y y y y y + CLOCK_REALTIME_ALARM y n (EINVAL) y [1] y [1] y [1] + CLOCK_REALTIME_COARSE y n (EINVAL) n (ENOTSUP) n (ENOTSUP) n (EINVAL) + CLOCK_TAI y n (EINVAL) y y n (EINVAL) + CLOCK_PROCESS_CPUTIME_ID y n (EINVAL) y y n (EINVAL) + CLOCK_THREAD_CPUTIME_ID y n (EINVAL) n (EINVAL [2]) y n (EINVAL) + pthread_getcpuclockid() y n (EINVAL) y y n (EINVAL) + + [1] The caller must have CAP_WAKE_ALARM, or the error EPERM results. + + [2] This error is generated in the glibc wrapper. + +connect.2 + Michael Kerrisk [Eric Dumazet] + Update the details on AF_UNSPEC + Update the details on AF_UNSPEC and circumstances in which + socket can be reconnected. + +dup.2 + Michael Kerrisk + SEE ALSO: add pidfd_getfd(2) + +epoll_ctl.2 + Michael Kerrisk + Various minor additions and clarifications + +epoll_wait.2 + Michael Kerrisk + A few minor additions and rewrites + +execve.2 + Michael Kerrisk + Add a subhead for the discussion of effect on process attributes + Michael Kerrisk + Explicitly note that argv[argc] == NULL in the new program + Michael Kerrisk + ERRORS: ENOENT does not occur for missing shared libraries + See http://sourceware.org/bugzilla/show_bug.cgi?id=12241. + +_exit.2 + Michael Kerrisk + Clarify that raw _exit() system call terminates only the calling thread + +inotify_add_watch.2 + Michael Kerrisk + EXAMPLE: add reference to example in inotify(7) + +io_submit.2 + Julia Suvorova + Add IOCB_CMD_POLL opcode + +lseek.2 + Michael Kerrisk + ERRORS: ENXIO can also occur SEEK_DATA in middle of hole at end of file + +madvise.2 + Michael Kerrisk [Andrea Arcangeli] + Incorporate some (ancient) comments about MADV_HUGEPAGE + Back in 2011, a mail from Andrea Arcangeli noted some details + that I never got round to incorporating into the manual page. + +mmap.2 + Michael Kerrisk + Add a subhead for the 'flags' argument + Michael Kerrisk + Move some text hidden at the end of DESCRIPTION to NOTES + +msgctl.2 + Michael Kerrisk + Add information on permission bits (based on sysvipc(7) text) + Michael Kerrisk + Copy information on 'msqid_ds' fields from sysvipc(7) + +open.2 + Michael Kerrisk + Clarify that O_NOFOLLOW is relevant (only) for basename of 'pathname' + Aleksa Sarai + Add references to new openat2(2) page + Michael Kerrisk + Note EINVAL error for invalid character in basename of 'pathname' + +pidfd_open.2 + Michael Kerrisk + Mention pidfd_getfd(2) + +poll.2 + Michael Kerrisk + Add an example program + Michael Kerrisk + Mention epoll(7) in the introductory paragraph + Michael Kerrisk + Improve description of EFAULT error + Michael Kerrisk + Fix description of ENOMEM error + +select_tut.2 + Michael Kerrisk + Adjust header file includes in example + Employ , rather than the historical header files. + +semctl.2 + Michael Kerrisk + Copy information on 'semid_ds' fields from sysvipc(7) + Michael Kerrisk + Add a reference to the example in shmop(2) + Michael Kerrisk + Add information on permission bits (based on sysvipc(7) text) + +semget.2 + Michael Kerrisk + EXAMPLE: add an example program + +semop.2 + Michael Kerrisk + Add a reference to the semop(2) example in shmop(2) + +shmctl.2 + Michael Kerrisk + Add information on permission bits (based on sysvipc(7) text) + Michael Kerrisk + Note that execute permission is not needed for shmat() SHM_EXEC + Michael Kerrisk + Copy information on 'shmid_ds' fields from sysvipc(7) + Michael Kerrisk + Some small improvements to the description of the 'shmid_ds' structure + +shmget.2 + Michael Kerrisk + Add a reference to the example in shmop(2) + +shmop.2 + Michael Kerrisk + EXAMPLE: add a pair of example programs + Add example programs demonstrating usage of shmget(2), shmat(2), + semget(2), semctl(2), and semop(2). + +sigaction.2 +signal.7 + Zack Weinberg + Document kernel bugs in delivery of signals from CPU exceptions + +stat.2 + Michael Kerrisk + Clarify definitions of timestamp fields + In particular, make it clear that atime and mtime relate to the + file *data*. + +syscalls.2 + Michael Kerrisk + Add new Linux 5.6 system calls + Michael Kerrisk + Note that the 5.x series followed 4.20 + +timer_create.2 + Michael Kerrisk + timer_create(2) also supports CLOCK_TAI + Michael Kerrisk + Mention clock_getres(2) for further details on the various clocks + +timerfd_create.2 + Michael Kerrisk [Thomas Gleixner] + Note a case where timerfd_settime() can fail with ECANCELED + Michael Kerrisk [devi R.K, Thomas Gleixner] + Negative changes to CLOCK_REALTIME may cause read() to return 0 + Michael Kerrisk + Rework text for EINVAL for invalid clock ID + Michael Kerrisk + Refer reader to clock_getres(2) for further details on the clocks + +unshare.2 + Michael Kerrisk + Add CLONE_NEWCGROUP and CLONE_NEWTIME to example program + +exit.3 + Michael Kerrisk [Walter Harms] + Small improvement to the discussion of 'status' argument + +ftok.3 + Michael Kerrisk + EXAMPLE: add a reference to the example in semget(2) + +getifaddrs.3 + Michael Kerrisk [Michael Galassi] + EXAMPLE: remove unneeded loop variable + +nl_langinfo.3 + Eugene Syromyatnikov + Document era-related locale elements + Eugene Syromyatnikov + Add information about AM/PM time format locale elements + Eugene Syromyatnikov + Mention the respective strftime(3) conversion specifications + +sem_init.3 + Michael Kerrisk + Add references to example code in shm_open(3) and sem_wait(3) + +sem_post.3 + Michael Kerrisk + Add a reference to code example code in shm_open(3) + +shm_open.3 + Michael Kerrisk + EXAMPLE: add some example programs + +strcmp.3 + Michael Kerrisk + Add an example program + Michael Kerrisk [Andrew Micallef, Walter Harms] + Rework text describing return value to be clearer + Michael Kerrisk + Note that the comparison is done using unsigned char + Michael Kerrisk + SEE ALSO: add ascii(7) + +strftime.3 + Eugene Syromyatnikov [Michael Kerrisk] + Refer to the relevant nl_langinfo(3) items + Eugene Syromyatnikov + Expand %E and %O description + Eugene Syromyatnikov + Consistently document fall-back format string + +proc.5 + Mike Frysinger + Clarify /proc/[pid]/cmdline mutability + +cgroups.7 + Michael Kerrisk + Update list of cgroups v2 controllers + Update the list of cgroups v2 controllers (several controllers + were missing). + Michael Kerrisk + Add a subsection on cgroup v2 mount options and include 'nsdelegate' + Michael Kerrisk + Document the cgroups v2 'memory_localevents' mount option + Michael Kerrisk + SEE ALSO: add Documentation/admin-guide/cgroup-v2.rst + +namespaces.7 + Michael Kerrisk + Add time namespaces information + Michael Kerrisk + Eliminate some superfluous info from display of /proc/PID/ns links + +path_resolution.7 + Aleksa Sarai + Update to mention openat2(2) features + +socket.7 + Michael Kerrisk + Note SCM message types for SO_TIMESTAMP and SO_TIMESTAMPNS + +tcp.7 + Michael Kerrisk + SEE ALSO: mention Documentation/networking/ip-sysctl.txt + +time.7 + Michael Kerrisk + Add small subsection on clocks and time namespaces + +unix.7 + Heinrich Schuchardt + Correct example + +vsock.7 + Stefano Garzarella [Jorgen Hansen, Stefan Hajnoczi] + Add VMADDR_CID_LOCAL description