powerd: use snl_get_genl_mcast_group() API

powerd: use nlsysevent if possible

instead of depending on devd and its socket, try to use nlsysevent
instead. This makes powerd independant from devd.

Approved by: des
Reviewed by: des
Different

powerd: use nlsysevent if possible

instead of depending on devd and its socket, try to use nlsysevent
instead. This makes powerd independant from devd.

Approved by: des
Reviewed by: des
Differential Revission: https://reviews.freebsd.org/D46972

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usr.sbin: Automated cleanup of cdefs and other formatting

Apply the following automated changes to try to eliminate
no-longer-needed sys/cdefs.h includes as well as now-empty
blank lines in a row.

usr.sbin: Automated cleanup of cdefs and other formatting

Apply the following automated changes to try to eliminate
no-longer-needed sys/cdefs.h includes as well as now-empty
blank lines in a row.

Remove /^#if.*\n#endif.*\n#include\s+<sys/cdefs.h>.*\n/
Remove /\n+#include\s+<sys/cdefs.h>.*\n+#if.*\n#endif.*\n+/
Remove /\n+#if.*\n#endif.*\n+/
Remove /^#if.*\n#endif.*\n/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/types.h>/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/param.h>/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/capsicum.h>/

Sponsored by: Netflix

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Remove $FreeBSD$: one-line .c pattern

Remove /^[\s*]*__FBSDID\("\$FreeBSD\$"\);?\s*\n/

spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD

The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch
up to that fact and revert to their recommended match of

spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD

The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch
up to that fact and revert to their recommended match of BSD-2-Clause.

Discussed with: pfg
MFC After: 3 days
Sponsored by: Netflix

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Merge ^/head r358466 through r358677.

Add -N option to powerd(8) to ignore "nice" time.

With powerd_flags="-N", this makes powerd(8) exclude "nice" time when
computing the CPU utilization. This makes it possible to prevent
CPU-intensiv

Add -N option to powerd(8) to ignore "nice" time.

With powerd_flags="-N", this makes powerd(8) exclude "nice" time when
computing the CPU utilization. This makes it possible to prevent
CPU-intensive "background" processes from spinning up the CPU.

Note that only *userland* CPU usage belonging to "nice" processes is
excluded; we do not track whether time spent in the kernel is on behalf
of nice or non-nice processes, so kernel-intensive nice processes can
still result in the CPU being sped up.

MFC after: 2 weeks
Differential Revision: https://reviews.freebsd.org/D23868

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powerd(8): Fix a memory leak when we fail to read frequency levels.

PR: 242967
Submitted by: Hans Christian Woithe <chwoithe@yahoo.com>
MFC after: 3 days

powerd(8): allow to force a method of battery state query

This change allows to determine power source via sysctl or /dev/apm
when devd(8) is running (used by default).

Based on patch from PR; othe

powerd(8): allow to force a method of battery state query

This change allows to determine power source via sysctl or /dev/apm
when devd(8) is running (used by default).

Based on patch from PR; other changes on top of it:
- '-f' (force) -> '-s' (source) parameter renaming;
- allow 'apm' -> 'devd' transition when '-s devd' is set
(if APM is enabled);
- man page update.

Checked on amd64 with -s devd / sysctl and apm
(an extra build with forced USE_APM define set was done)

PR: 125707
Submitted by: Konstantin Stepanov <milezv@yandex.ru>
Reviewed by: bcr, imp
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D18742

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powerd: correct ifdef check for ppc

Reviewed by: jhibbits

various: general adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 2-Clause license, however the tool I
was using misidentified many licenses so this was mostly a manual - error

various: general adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 2-Clause license, however the tool I
was using misidentified many licenses so this was mostly a manual - error
prone - task.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for automated tools to detect and summarize well known
opensource licenses. We are gradually adopting the specification, noting
that the tags are considered only advisory and do not, in any way,
superceed or replace the license texts.

No functional change intended.

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Directly set the NONBLOCK flags when creating the socket

No functional changes

Catch up with HEAD (r280229-r284686).

Merge sync of head

Merge from HEAD

MFH: r278968-r280640

Sponsored by: The FreeBSD Foundation

Add comment explaining existing powerd behavior on SMP systems.

MFC after: 1 week

MFC @ r266724

An SVM update will follow this.

Merge head

IFC @264767

MFH: tracking commit

Sponsored by: The FreeBSD Foundation

Merge head up to r262222 (last merge was incomplete).

In acline_init(), initialize ac_line to SRC_UNKNOWN. Previously
this could lead to the -n option effectively being ignored (in case
ac_line happened to be 0 aka SRC_AC), or other undefined behaviour

In acline_init(), initialize ac_line to SRC_UNKNOWN. Previously
this could lead to the -n option effectively being ignored (in case
ac_line happened to be 0 aka SRC_AC), or other undefined behaviour.

PR: 169779
Submitted by: Alex Gonzalez <loox at e-shell.net>
Reviewed by: jhb
MFC after: 2 weeks

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Merge head r233826 through r256722.

Merge from head