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| -rw-r--r-- | Changes | 175 | ||||
| -rw-r--r-- | Changes.old | 194 |
2 files changed, 203 insertions, 166 deletions
@@ -1,6 +1,6 @@ -==================== Changes in man-pages-5.04 ==================== +==================== Changes in man-pages-5.05 ==================== -Released: 2019-11-19, Munich +Released: ????-??-??, Munich Contributors @@ -10,183 +10,26 @@ 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: -Andrew Price <anprice@redhat.com> -Christian Brauner <christian.brauner@ubuntu.com> -Florian Weimer <fweimer@redhat.com> -Jakub Wilk <jwilk@jwilk.net> -Jan Kara <jack@suse.cz> -Jann Horn <jannh@google.com> -Kenigbolo Meya Stephen <kenigbol@ut.ee> -Marko Myllynen <myllynen@redhat.com> -Michael Kerrisk <mtk.manpages@gmail.com> -Mikael Magnusson <mikachu@gmail.com> -Robert Edmonds <edmonds@debian.org> -Silviu Popescu <silviupopescu1990@gmail.com> -Torin Carey <torin@tcarey.uk> -Witold Baryluk <witold.baryluk@gmail.com> -Yang Xu <xuyang2018.jy@cn.fujitsu.com> Apologies if I missed anyone! -Newly documented interfaces in existing pages ---------------------------------------------- - -clone.2 - Michael Kerrisk [Christian Brauner, Jakub Wilk] - Document clone3() +New and rewritten pages +----------------------- -wait.2 - Michael Kerrisk - Add P_PIDFD for waiting on a child referred to by a PID file descriptor -bpf-helpers.7 - Michael Kerrisk - Refresh against kernel v5.4-rc7 +Newly documented interfaces in existing pages +--------------------------------------------- New and changed links --------------------- -clone3.2 - Michael Kerrisk - New link to clone(2) + +Global changes +-------------- Changes to individual pages --------------------------- -clone.2 - Michael Kerrisk - Rename arguments for consistency with clone3() - Make the names of the clone() arguments the same as the fields - in the clone3() 'args' struct: - - ctid ==> child_pid - ptid ==> parent_tid - newtls ==> tld - child_stack ==> stack - Michael Kerrisk - Consistently order paragraphs for CLONE_NEW* flags - Sometimes the descriptions of these flags mentioned the - corresponding section 7 namespace manual page and then the - required capabilities, and sometimes the order was the was - the reverse. Make it consistent. - Michael Kerrisk [Christian Brauner, Jann Horn] - EXAMPLE: Allocate child's stack using mmap(2) rather than malloc(3) - Christian Brauner suggested mmap(MAP_STACK), rather than - malloc(), as the canonical way of allocating a stack for the - child of clone(), and Jann Horn noted some reasons why - (MAP_STACK exists elsewhere, and mmap() returns a page-aligned - block of memory, which is useful if we want to set up a guard - page at the end of the stack). - Michael Kerrisk [Christian Brauner] - Tidy up the description of CLONE_DETACHED - The obsolete CLONE_DETACHED flag has never been properly - documented, but now the discussion CLONE_PIDFD also requires - mention of CLONE_DETACHED. So, properly document CLONE_DETACHED, - and mention its interactions with CLONE_PIDFD. - Michael Kerrisk [Christian Brauner] - Give the introductory paragraph a new coat of paint - Change the text in the introductory paragraph (which was written - 20 years ago) to reflect the fact that clone*() does more things - nowadays. - Michael Kerrisk - Remove wording that suggests CLONE_NEW* flags are for containers - These flags are used for implementing many other interesting - things by now. - Michael Kerrisk - Remove various details that are already covered in namespaces pages - Remove details of UTS, IPC, and network namespaces that are - already covered in the corresponding namespaces pages in section 7. - -clone.2 -proc.5 - Michael Kerrisk - Adjust references to namespaces(7) - Adjust references to namespaces(7) to be references to pages - describing specific namespace types. - -fallocate.2 - Andrew Price - Add gfs2 to the list of punch hole-capable filesystems - -ioctl_iflags.2 - Michael Kerrisk [Robert Edmonds] - Emphasize that FS_IOC_GETFLAGS and FS_IOC_SETFLAGS argument is 'int *' - -ioctl_list.2 - Michael Kerrisk - Add reference to ioctl(2) SEE ALSO section - The referenced section lists various pages that document ioctls. - -mmap.2 - Michael Kerrisk - Note that MAP_STACK exists on some other systems - Michael Kerrisk - Some rewording of the description of MAP_STACK - Reword a little to allow for the fact that there are now - *two* reasons to consider using this flag. - -pidfd_open.2 - Michael Kerrisk - Note the waitid() use case for PID file descriptors - Michael Kerrisk - Add a subsection header "Use cases for PID file descriptors" - Michael Kerrisk - Make it a little more explicit the CLONE_PIDFD returns a PID FD - -pivot_root.2 - Michael Kerrisk - EXAMPLE: allocate stack using mmap() MAP_STACK rather than malloc() - -quotactl.2 - Yang Xu [Jan Kara] - Add some details about Q_QUOTAON - -seccomp.2 -cgroups.7 - Michael Kerrisk - Switch to "considerate language" - -select.2 - Michael Kerrisk - POLLIN_SET/POLLOUT_SET/POLLEX_SET are now defined in terms of EPOLL* - Since kernel commit a9a08845e9acbd224e4ee466f5c1275ed50054e8, the - equivalence between select() and poll()/epoll is defined in terms - of the EPOLL* constants, rather than the POLL* constants. - -wait.2 - Michael Kerrisk - waitid() can be used to wait on children in same process group as caller - Since Linux 5.4, idtype == P_PGID && id == 0 can be used to wait - on children in same process group as caller. - Michael Kerrisk - Clarify semantics of waitpid(0, ...) - As noted in kernel commit 821cc7b0b205c0df64cce59aacc330af251fa8f7, - threads create an ambiguity: what if the calling process's PGID - is changed by another thread while waitpid(0, ...) is blocked? - So, clarify that waitpid(0, ...) means wait for children whose - PGID matches the caller's PGID at the time of the call to - waitpid(). - -getauxval.3 - Michael Kerrisk [Witold Baryluk] - Clarify that AT_BASE_PLATFORM and AT_EXECFN return pointers to strings - See https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=942207 - -resolv.conf.5 - Florian Weimer - Attempt clarify domain/search interaction - The domain directive is historic at this point; it should not - be used. - -netdevice.7 - Michael Kerrisk [Silviu Popescu] - Small wording fix in description of SIOCGIFCONF - SIOCGIFCONF returns "network layer" addresses (not "transport - layer"). - -uts_namespaces.7 - Michael Kerrisk - Add a little more detail on scope of UTS namespaces diff --git a/Changes.old b/Changes.old index 1659bcaa1a..5728a81203 100644 --- a/Changes.old +++ b/Changes.old @@ -50111,3 +50111,197 @@ signal.7 user_namespaces.7 Michael Kerrisk Improve explanation of meaning of ownership of nonuser namespaces + + +==================== Changes in man-pages-5.04 ==================== + +Released: 2019-11-19, 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: + +Andrew Price <anprice@redhat.com> +Christian Brauner <christian.brauner@ubuntu.com> +Florian Weimer <fweimer@redhat.com> +Jakub Wilk <jwilk@jwilk.net> +Jan Kara <jack@suse.cz> +Jann Horn <jannh@google.com> +Kenigbolo Meya Stephen <kenigbol@ut.ee> +Marko Myllynen <myllynen@redhat.com> +Michael Kerrisk <mtk.manpages@gmail.com> +Mikael Magnusson <mikachu@gmail.com> +Robert Edmonds <edmonds@debian.org> +Silviu Popescu <silviupopescu1990@gmail.com> +Torin Carey <torin@tcarey.uk> +Witold Baryluk <witold.baryluk@gmail.com> +Yang Xu <xuyang2018.jy@cn.fujitsu.com> + +Apologies if I missed anyone! + + +Newly documented interfaces in existing pages +--------------------------------------------- + +clone.2 + Michael Kerrisk [Christian Brauner, Jakub Wilk] + Document clone3() + +wait.2 + Michael Kerrisk + Add P_PIDFD for waiting on a child referred to by a PID file descriptor + +bpf-helpers.7 + Michael Kerrisk + Refresh against kernel v5.4-rc7 + + +New and changed links +--------------------- + +clone3.2 + Michael Kerrisk + New link to clone(2) + + +Changes to individual pages +--------------------------- + +clone.2 + Michael Kerrisk + Rename arguments for consistency with clone3() + Make the names of the clone() arguments the same as the fields + in the clone3() 'args' struct: + + ctid ==> child_pid + ptid ==> parent_tid + newtls ==> tld + child_stack ==> stack + Michael Kerrisk + Consistently order paragraphs for CLONE_NEW* flags + Sometimes the descriptions of these flags mentioned the + corresponding section 7 namespace manual page and then the + required capabilities, and sometimes the order was the was + the reverse. Make it consistent. + Michael Kerrisk [Christian Brauner, Jann Horn] + EXAMPLE: Allocate child's stack using mmap(2) rather than malloc(3) + Christian Brauner suggested mmap(MAP_STACK), rather than + malloc(), as the canonical way of allocating a stack for the + child of clone(), and Jann Horn noted some reasons why + (MAP_STACK exists elsewhere, and mmap() returns a page-aligned + block of memory, which is useful if we want to set up a guard + page at the end of the stack). + Michael Kerrisk [Christian Brauner] + Tidy up the description of CLONE_DETACHED + The obsolete CLONE_DETACHED flag has never been properly + documented, but now the discussion CLONE_PIDFD also requires + mention of CLONE_DETACHED. So, properly document CLONE_DETACHED, + and mention its interactions with CLONE_PIDFD. + Michael Kerrisk [Christian Brauner] + Give the introductory paragraph a new coat of paint + Change the text in the introductory paragraph (which was written + 20 years ago) to reflect the fact that clone*() does more things + nowadays. + Michael Kerrisk + Remove wording that suggests CLONE_NEW* flags are for containers + These flags are used for implementing many other interesting + things by now. + Michael Kerrisk + Remove various details that are already covered in namespaces pages + Remove details of UTS, IPC, and network namespaces that are + already covered in the corresponding namespaces pages in section 7. + +clone.2 +proc.5 + Michael Kerrisk + Adjust references to namespaces(7) + Adjust references to namespaces(7) to be references to pages + describing specific namespace types. + +fallocate.2 + Andrew Price + Add gfs2 to the list of punch hole-capable filesystems + +ioctl_iflags.2 + Michael Kerrisk [Robert Edmonds] + Emphasize that FS_IOC_GETFLAGS and FS_IOC_SETFLAGS argument is 'int *' + +ioctl_list.2 + Michael Kerrisk + Add reference to ioctl(2) SEE ALSO section + The referenced section lists various pages that document ioctls. + +mmap.2 + Michael Kerrisk + Note that MAP_STACK exists on some other systems + Michael Kerrisk + Some rewording of the description of MAP_STACK + Reword a little to allow for the fact that there are now + *two* reasons to consider using this flag. + +pidfd_open.2 + Michael Kerrisk + Note the waitid() use case for PID file descriptors + Michael Kerrisk + Add a subsection header "Use cases for PID file descriptors" + Michael Kerrisk + Make it a little more explicit the CLONE_PIDFD returns a PID FD + +pivot_root.2 + Michael Kerrisk + EXAMPLE: allocate stack using mmap() MAP_STACK rather than malloc() + +quotactl.2 + Yang Xu [Jan Kara] + Add some details about Q_QUOTAON + +seccomp.2 +cgroups.7 + Michael Kerrisk + Switch to "considerate language" + +select.2 + Michael Kerrisk + POLLIN_SET/POLLOUT_SET/POLLEX_SET are now defined in terms of EPOLL* + Since kernel commit a9a08845e9acbd224e4ee466f5c1275ed50054e8, the + equivalence between select() and poll()/epoll is defined in terms + of the EPOLL* constants, rather than the POLL* constants. + +wait.2 + Michael Kerrisk + waitid() can be used to wait on children in same process group as caller + Since Linux 5.4, idtype == P_PGID && id == 0 can be used to wait + on children in same process group as caller. + Michael Kerrisk + Clarify semantics of waitpid(0, ...) + As noted in kernel commit 821cc7b0b205c0df64cce59aacc330af251fa8f7, + threads create an ambiguity: what if the calling process's PGID + is changed by another thread while waitpid(0, ...) is blocked? + So, clarify that waitpid(0, ...) means wait for children whose + PGID matches the caller's PGID at the time of the call to + waitpid(). + +getauxval.3 + Michael Kerrisk [Witold Baryluk] + Clarify that AT_BASE_PLATFORM and AT_EXECFN return pointers to strings + See https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=942207 + +resolv.conf.5 + Florian Weimer + Attempt clarify domain/search interaction + The domain directive is historic at this point; it should not + be used. + +netdevice.7 + Michael Kerrisk [Silviu Popescu] + Small wording fix in description of SIOCGIFCONF + SIOCGIFCONF returns "network layer" addresses (not "transport + layer"). + +uts_namespaces.7 + Michael Kerrisk + Add a little more detail on scope of UTS namespaces |