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NEWS
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Changelog for s6.
In 2.13.1.0
-----------
- Bugfixes.
- Install static libraries in /usr/lib by default.
- Support for starting the service in a new pid namespace, via the
flag-newpidns file in the service directory. (Linux only.)
In 2.13.0.0
-----------
- Bugfixes.
- s6-svstat -o pgid (or -g) prints the service's pgid
- s6-supervise now passes the service's pgid to ./finish
- New s6-svc -P/-C/-K sends SIGSTOP, SIGCONT or SIGKILL to
the service's process group.
In 2.12.0.4
-----------
- Bugfixes.
In 2.12.0.3
-----------
- Bugfixes.
In 2.12.0.2
-----------
- Bugfixes.
In 2.12.0.1
-----------
- Bugfixes.
In 2.12.0.0
-----------
- New option to s6-svc: -s, to specify a signal by name (or number).
- New option to s6-log: -t, to specify a timeout for partial last lines.
- s6-svscan rewrite: no more quadratic reaps, no more forced 1s wait on shutdown
- Eliminated fork() wherever possible on systems supporting posix_spawn()
- Obsolete s6lockd subsystem removed.
In 2.11.3.2
-----------
- Dependency fixes.
In 2.11.3.1
-----------
- Resource limit shenanigans.
In 2.11.3.0
-----------
- Bugfixes.
- Internal changes to instances and servicedir reserved names.
- New s6-svc -Q command.
- -0167 options to s6-ioconnect are now deprecated.
In 2.11.2.0
-----------
- Adaptation to skalibs-2.13.0.0.
- Bugfixes.
- New s6-svc -D and s6-svc -U commands.
- The name of the service is now passed as an argument to ./run and
as the third argument to ./finish.
- The 1-second service restart delay can now only be skipped when
the service is ready.
- New s6-log directive: p, to set a log line prefix.
- Implementation of instances! New programs: s6-instance-maker,
s6-instance-create, s6-instance-delete, s6-instance-control,
s6-instance-status, s6-instance-list.
In 2.11.1.2
-----------
- Bugfixes.
In 2.11.1.1
-----------
- Adaptation to skalibs-2.12.0.0.
In 2.11.1.0
-----------
- Bugfixes.
- s6-applyuidgid and s6-setuidgid can now be used by non-root users.
- New s6-envdir option: -L, for unlimited size environment variables.
In 2.11.0.1
-----------
- Bugfixes.
In 2.11.0.0
-----------
- Adaptation to skalibs-2.11.0.0.
- Bugfixes.
- s6-svwait now supports -r and -R options to wait for restarts.
- New service directory file: lock-fd, to take a lock before
starting a service, protecting against concurrent instances.
- s6/lock.h, s6/supervise.h, s6/fdholder.h: simpler header names
- New binaries: s6-svlink, s6-svunlink
- s6-ioconnect bugfix; does not support zero-copy anymore.
In 2.10.0.3
-----------
- Bugfixes.
In 2.10.0.2
-----------
- Bugfixes.
In 2.10.0.1
-----------
- Bugfixes.
In 2.10.0.0
-----------
- Bugfixes.
- Changes to s6-svscan and s6-svscanctl: the list of commands
that can be sent to s6-svscan has been thoroughly cleaned up.
s6-svscan now scans and prunes on SIGHUP.
- Changes to s6-supervise and s6-svc: -X not supported anymore,
nosetsid not supported anymore. SIGHUP now properly closes
stdin/stdout to allow the service to naturally exit on EOF;
SIGQUIT semantics changed to immediately bail. SIGINT is now
trapped and forwarded to the service's process group.
- New binary: s6-svperms, implementing a split permissions
model. (By default, everything is the same as before.)
- New binary: s6-usertree-maker, creating service directories
for supervision trees managed by users.
In 2.9.2.0
----------
- Bugfixes.
- New -d option to s6-sudod.
In 2.9.1.0
----------
- Bugfixes.
- execline support is now optional. Some functionality is not available
when execline support is disabled.
- New '?' directive to s6-log, to spawn a processor with /bin/sh.
- New console holder functionality for easier s6-svscan-log support.
- On systems that define SIGPWR and SIGWINCH, s6-svscan -s now calls
a user handler for those signals.
In 2.9.0.1
----------
- Bugfixes.
In 2.9.0.0
----------
- Bugfixes.
- Adaptation to skalibs-2.9.0.0.
- The s6-fdholder-*c programs have been removed. They were unused: the
separation between (for instance) s6-fdholder-store and s6-fdholder-storec
added more complexity and more code than it brought benefits. The s6
package is now 7 binaries leaner.
In 2.8.0.1
----------
- Bugfixes.
In 2.8.0.0
----------
- Bugfixes.
- Adaptation to skalibs-2.8.0.0.
- s6-log can now notify readiness with the new -d option.
- s6-log now has a default line limit of 8 kB.
- In the accessrules library, checking against uidgid now checks the
uid/self key if the client and the server have the same uid, and the
gid/self key if the client and the server have the same gid. That means
s6-ipcserver-access can now be configured to allow/deny/specialcase
connections where the client's credentials are the same as the server's.
- Everything builds as PIC by default.
In 2.7.2.2
----------
- Bugfixes.
In 2.7.2.1
----------
- Bugfixes.
In 2.7.2.0
----------
- s6-ipcserver-socketbinder now takes a -B option to make the socket blocking.
- s6-svscan now takes a "-d notif" option to notify readiness. This is
*shallow readiness*, i.e. readiness will be reported when s6-svscan is ready
to receive s6-svscanctl commands; it does *not* mean all the services started
at s6-svscan launch will be ready.
- New optional file in a service directory: down-signal. It allows you to
customize the signal sent by s6-svc -d (and now s6-svc -r too).
- New s6-svc option: -r. Sends the signal defined in the down-signal file
(still SIGTERM by default).
- Adaptation to skalibs-2.7.0.0.
- Optional nsss support added.
In 2.7.1.1
----------
- Bugfixes.
In 2.7.1.0
----------
- Bugfixes.
- s6-svwait et al. now exit 102 instead of hanging if s6-supervise dies.
- New commands: s6-svdt, s6-svdt-clear, s6-permafailon
- s6-tai64nlocal can now print GMT times with the -g option.
In 2.7.0.0
----------
- Bugfixes.
- s6-ftrigrd and s6lockd internally use the textclient API/ABI
instead of skaclient. This is cleaner, faster code.
- New "-a perms" option to s6-ipcserver and s6-ipcserver-socketbinder.
In 2.6.2.0
----------
- Bugfixes.
- New functions: s6_fdholder_start() and s6_fdholder_end().
In 2.6.1.1
----------
- Bugfixes.
In 2.6.1.0
----------
- Bugfixes.
- Addition of the s6_svc_lock_take() and s6_svc_lock_release()
functions, to fix a race condition in s6-rc.
- New program: s6-notifyoncheck, to implement polling for
readiness and reroute the result into the s6 readiness notification
mechanism.
In 2.6.0.0
----------
- Bugfixes. One of the bugfixes required a visible ABI change,
which explains the major version bump.
- Documentation fixes.
In 2.5.1.0
----------
- Bugfixes.
- s6-ftrig-listen1 now prints to stdout the last event (the last
byte) it received and made it match the regexp it was given.
- s6-supervise now recognizes the "timeout-kill" file in a service
directory. If this file exists and contains a nonzero integer t,
the behaviour of a "s6-svc -d" command is changed from
"send a SIGTERM and a SIGCONT" to "send a SIGTERM and a SIGCONT,
then if the service is still not dead after t milliseconds, send
a SIGKILL".
In 2.5.0.0
----------
- Added this NEWS file. :)
- Major types overhaul to make them more POSIXly correct:
compatibility with skalibs-2.5.0.0.
- Services can now report permanent failure by having a ./finish
script exit 125.
- s6-svwait, s6-svlisten and s6-svlisten1 now exit the number of
services that reported permanent failure. They exit 99 on timeout.
- When a service has a ./nosetsid file that contains "setpgrp", it
is run in a new process group, but not in a new session. If the
./nosetsid file contains anything else, the service is run in the
same session and process group as the supervisor, and if there is
no such file, it's run in a new session (same behaviour as before).
- s6-log now writes a warning to stderr when it closes the stdout
stream.
- s6-log's individual file size limit bumped to 256 MB.
- Various bugfixes. (thanks jjk!)