chore: vendor go dependencies

9 files changed, 667 insertions, 0 deletions

diff --git a/vendor/github.com/tklauser/numcpus/.cirrus.yml b/vendor/github.com/tklauser/numcpus/.cirrus.yml
new file mode 100644
index 0000000..69c6ced
--- /dev/null
+++ b/vendor/github.com/tklauser/numcpus/.cirrus.yml
@@ -0,0 +1,13 @@
+env:
+  CIRRUS_CLONE_DEPTH: 1
+  GO_VERSION: go1.20
+
+freebsd_12_task:
+  freebsd_instance:
+    image_family: freebsd-12-3
+  install_script: |
+    pkg install -y go
+    GOBIN=$PWD/bin go install golang.org/dl/${GO_VERSION}@latest
+    bin/${GO_VERSION} download
+  build_script: bin/${GO_VERSION} build -buildvcs=false -v ./...
+  test_script: bin/${GO_VERSION} test -buildvcs=false -race ./...
diff --git a/vendor/github.com/tklauser/numcpus/LICENSE b/vendor/github.com/tklauser/numcpus/LICENSE
new file mode 100644
index 0000000..d645695
--- /dev/null
+++ b/vendor/github.com/tklauser/numcpus/LICENSE
@@ -0,0 +1,202 @@
+
+                                 Apache License
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+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
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diff --git a/vendor/github.com/tklauser/numcpus/README.md b/vendor/github.com/tklauser/numcpus/README.md
new file mode 100644
index 0000000..23612c5
--- /dev/null
+++ b/vendor/github.com/tklauser/numcpus/README.md
@@ -0,0 +1,52 @@
+# numcpus
+
+[![Go Reference](https://pkg.go.dev/badge/github.com/tklauser/numcpus.svg)](https://pkg.go.dev/github.com/tklauser/numcpus)
+[![GitHub Action Status](https://github.com/tklauser/numcpus/workflows/Tests/badge.svg)](https://github.com/tklauser/numcpus/actions?query=workflow%3ATests)
+
+Package numcpus provides information about the number of CPUs in the system.
+
+It gets the number of CPUs (online, offline, present, possible, configured or
+kernel maximum) on Linux, Darwin, FreeBSD, NetBSD, OpenBSD, DragonflyBSD or
+Solaris/Illumos systems.
+
+On Linux, the information is retrieved by reading the corresponding CPU
+topology files in `/sys/devices/system/cpu`.
+
+On BSD systems, the information is retrieved using the `hw.ncpu` and
+`hw.ncpuonline` sysctls, if supported.
+
+Not all functions are supported on Darwin, FreeBSD, NetBSD, OpenBSD,
+DragonflyBSD and Solaris/Illumos. ErrNotSupported is returned in case a
+function is not supported on a particular platform.
+
+## Usage
+
+```Go
+package main
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/tklauser/numcpus"
+)
+
+func main() {
+	online, err := numcpus.GetOnline()
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "GetOnline: %v\n", err)
+	}
+	fmt.Printf("online CPUs: %v\n", online)
+
+	possible, err := numcpus.GetPossible()
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "GetPossible: %v\n", err)
+	}
+	fmt.Printf("possible CPUs: %v\n", possible)
+}
+```
+
+## References
+
+* [Linux kernel sysfs documentation for CPU attributes](https://www.kernel.org/doc/Documentation/ABI/testing/sysfs-devices-system-cpu)
+* [Linux kernel CPU topology documentation](https://www.kernel.org/doc/Documentation/cputopology.txt)
diff --git a/vendor/github.com/tklauser/numcpus/numcpus.go b/vendor/github.com/tklauser/numcpus/numcpus.go
new file mode 100644
index 0000000..af59983
--- /dev/null
+++ b/vendor/github.com/tklauser/numcpus/numcpus.go
@@ -0,0 +1,75 @@
+// Copyright 2018-2022 Tobias Klauser
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Package numcpus provides information about the number of CPUs in the system.
+//
+// It gets the number of CPUs (online, offline, present, possible or kernel
+// maximum) on Linux, Darwin, FreeBSD, NetBSD, OpenBSD, DragonflyBSD,
+// Solaris/Illumos or Windows systems.
+//
+// On Linux, the information is retrieved by reading the corresponding CPU
+// topology files in /sys/devices/system/cpu.
+//
+// On BSD systems, the information is retrieved using the hw.ncpu and
+// hw.ncpuonline sysctls, if supported.
+//
+// On Windows systems, the information is retrieved using the
+// GetActiveProcessorCount and GetMaximumProcessorCount functions, respectively.
+//
+// Not all functions are supported on Darwin, FreeBSD, NetBSD, OpenBSD,
+// DragonflyBSD, Solaris/Illumos and Windows. ErrNotSupported is returned in
+// case a function is not supported on a particular platform.
+package numcpus
+
+import "errors"
+
+// ErrNotSupported is the error returned when the function is not supported.
+var ErrNotSupported = errors.New("function not supported")
+
+// GetConfigured returns the number of CPUs configured on the system. This
+// function should return the same value as `getconf _SC_NPROCESSORS_CONF` on a
+// unix system.
+func GetConfigured() (int, error) {
+	return getConfigured()
+}
+
+// GetKernelMax returns the maximum number of CPUs allowed by the kernel
+// configuration. This function is only supported on Linux and Windows systems.
+func GetKernelMax() (int, error) {
+	return getKernelMax()
+}
+
+// GetOffline returns the number of offline CPUs, i.e. CPUs that are not online
+// because they have been hotplugged off or exceed the limit of CPUs allowed by
+// the kernel configuration (see GetKernelMax). This function is only supported
+// on Linux systems.
+func GetOffline() (int, error) {
+	return getOffline()
+}
+
+// GetOnline returns the number of CPUs that are online and being scheduled.
+func GetOnline() (int, error) {
+	return getOnline()
+}
+
+// GetPossible returns the number of possible CPUs, i.e. CPUs that
+// have been allocated resources and can be brought online if they are present.
+func GetPossible() (int, error) {
+	return getPossible()
+}
+
+// GetPresent returns the number of CPUs present in the system.
+func GetPresent() (int, error) {
+	return getPresent()
+}
diff --git a/vendor/github.com/tklauser/numcpus/numcpus_bsd.go b/vendor/github.com/tklauser/numcpus/numcpus_bsd.go
new file mode 100644
index 0000000..9e77e38
--- /dev/null
+++ b/vendor/github.com/tklauser/numcpus/numcpus_bsd.go
@@ -0,0 +1,66 @@
+// Copyright 2018 Tobias Klauser
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//go:build darwin || dragonfly || freebsd || netbsd || openbsd
+// +build darwin dragonfly freebsd netbsd openbsd
+
+package numcpus
+
+import (
+	"runtime"
+
+	"golang.org/x/sys/unix"
+)
+
+func getConfigured() (int, error) {
+	n, err := unix.SysctlUint32("hw.ncpu")
+	return int(n), err
+}
+
+func getKernelMax() (int, error) {
+	if runtime.GOOS == "freebsd" {
+		n, err := unix.SysctlUint32("kern.smp.maxcpus")
+		return int(n), err
+	}
+	return 0, ErrNotSupported
+}
+
+func getOffline() (int, error) {
+	return 0, ErrNotSupported
+}
+
+func getOnline() (int, error) {
+	var n uint32
+	var err error
+	switch runtime.GOOS {
+	case "netbsd", "openbsd":
+		n, err = unix.SysctlUint32("hw.ncpuonline")
+		if err != nil {
+			n, err = unix.SysctlUint32("hw.ncpu")
+		}
+	default:
+		n, err = unix.SysctlUint32("hw.ncpu")
+	}
+	return int(n), err
+}
+
+func getPossible() (int, error) {
+	n, err := unix.SysctlUint32("hw.ncpu")
+	return int(n), err
+}
+
+func getPresent() (int, error) {
+	n, err := unix.SysctlUint32("hw.ncpu")
+	return int(n), err
+}
diff --git a/vendor/github.com/tklauser/numcpus/numcpus_linux.go b/vendor/github.com/tklauser/numcpus/numcpus_linux.go
new file mode 100644
index 0000000..1a30525
--- /dev/null
+++ b/vendor/github.com/tklauser/numcpus/numcpus_linux.go
@@ -0,0 +1,120 @@
+// Copyright 2018 Tobias Klauser
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package numcpus
+
+import (
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"strconv"
+	"strings"
+
+	"golang.org/x/sys/unix"
+)
+
+const sysfsCPUBasePath = "/sys/devices/system/cpu"
+
+func getFromCPUAffinity() (int, error) {
+	var cpuSet unix.CPUSet
+	if err := unix.SchedGetaffinity(0, &cpuSet); err != nil {
+		return 0, err
+	}
+	return cpuSet.Count(), nil
+}
+
+func readCPURange(file string) (int, error) {
+	buf, err := ioutil.ReadFile(filepath.Join(sysfsCPUBasePath, file))
+	if err != nil {
+		return 0, err
+	}
+	return parseCPURange(strings.Trim(string(buf), "\n "))
+}
+
+func parseCPURange(cpus string) (int, error) {
+	n := int(0)
+	for _, cpuRange := range strings.Split(cpus, ",") {
+		if len(cpuRange) == 0 {
+			continue
+		}
+		rangeOp := strings.SplitN(cpuRange, "-", 2)
+		first, err := strconv.ParseUint(rangeOp[0], 10, 32)
+		if err != nil {
+			return 0, err
+		}
+		if len(rangeOp) == 1 {
+			n++
+			continue
+		}
+		last, err := strconv.ParseUint(rangeOp[1], 10, 32)
+		if err != nil {
+			return 0, err
+		}
+		n += int(last - first + 1)
+	}
+	return n, nil
+}
+
+func getConfigured() (int, error) {
+	d, err := os.Open(sysfsCPUBasePath)
+	if err != nil {
+		return 0, err
+	}
+	defer d.Close()
+	fis, err := d.Readdir(-1)
+	if err != nil {
+		return 0, err
+	}
+	count := 0
+	for _, fi := range fis {
+		if name := fi.Name(); fi.IsDir() && strings.HasPrefix(name, "cpu") {
+			_, err := strconv.ParseInt(name[3:], 10, 64)
+			if err == nil {
+				count++
+			}
+		}
+	}
+	return count, nil
+}
+
+func getKernelMax() (int, error) {
+	buf, err := ioutil.ReadFile(filepath.Join(sysfsCPUBasePath, "kernel_max"))
+	if err != nil {
+		return 0, err
+	}
+	n, err := strconv.ParseInt(strings.Trim(string(buf), "\n "), 10, 32)
+	if err != nil {
+		return 0, err
+	}
+	return int(n), nil
+}
+
+func getOffline() (int, error) {
+	return readCPURange("offline")
+}
+
+func getOnline() (int, error) {
+	if n, err := getFromCPUAffinity(); err == nil {
+		return n, nil
+	}
+	return readCPURange("online")
+}
+
+func getPossible() (int, error) {
+	return readCPURange("possible")
+}
+
+func getPresent() (int, error) {
+	return readCPURange("present")
+}
diff --git a/vendor/github.com/tklauser/numcpus/numcpus_solaris.go b/vendor/github.com/tklauser/numcpus/numcpus_solaris.go
new file mode 100644
index 0000000..a264323
--- /dev/null
+++ b/vendor/github.com/tklauser/numcpus/numcpus_solaris.go
@@ -0,0 +1,56 @@
+// Copyright 2021 Tobias Klauser
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//go:build solaris
+// +build solaris
+
+package numcpus
+
+import "golang.org/x/sys/unix"
+
+// taken from /usr/include/sys/unistd.h
+const (
+	_SC_NPROCESSORS_CONF = 14
+	_SC_NPROCESSORS_ONLN = 15
+	_SC_NPROCESSORS_MAX  = 516
+)
+
+func getConfigured() (int, error) {
+	n, err := unix.Sysconf(_SC_NPROCESSORS_CONF)
+	return int(n), err
+}
+
+func getKernelMax() (int, error) {
+	n, err := unix.Sysconf(_SC_NPROCESSORS_MAX)
+	return int(n), err
+}
+
+func getOffline() (int, error) {
+	return 0, ErrNotSupported
+}
+
+func getOnline() (int, error) {
+	n, err := unix.Sysconf(_SC_NPROCESSORS_ONLN)
+	return int(n), err
+}
+
+func getPossible() (int, error) {
+	n, err := unix.Sysconf(_SC_NPROCESSORS_CONF)
+	return int(n), err
+}
+
+func getPresent() (int, error) {
+	n, err := unix.Sysconf(_SC_NPROCESSORS_CONF)
+	return int(n), err
+}
diff --git a/vendor/github.com/tklauser/numcpus/numcpus_unsupported.go b/vendor/github.com/tklauser/numcpus/numcpus_unsupported.go
new file mode 100644
index 0000000..4a0b7c4
--- /dev/null
+++ b/vendor/github.com/tklauser/numcpus/numcpus_unsupported.go
@@ -0,0 +1,42 @@
+// Copyright 2021 Tobias Klauser
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//go:build !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd && !solaris && !windows
+// +build !darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd,!solaris,!windows
+
+package numcpus
+
+func getConfigured() (int, error) {
+	return 0, ErrNotSupported
+}
+
+func getKernelMax() (int, error) {
+	return 0, ErrNotSupported
+}
+
+func getOffline() (int, error) {
+	return 0, ErrNotSupported
+}
+
+func getOnline() (int, error) {
+	return 0, ErrNotSupported
+}
+
+func getPossible() (int, error) {
+	return 0, ErrNotSupported
+}
+
+func getPresent() (int, error) {
+	return 0, ErrNotSupported
+}
diff --git a/vendor/github.com/tklauser/numcpus/numcpus_windows.go b/vendor/github.com/tklauser/numcpus/numcpus_windows.go
new file mode 100644
index 0000000..f7d5b40
--- /dev/null
+++ b/vendor/github.com/tklauser/numcpus/numcpus_windows.go
@@ -0,0 +1,41 @@
+// Copyright 2022 Tobias Klauser
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package numcpus
+
+import "golang.org/x/sys/windows"
+
+func getConfigured() (int, error) {
+	return int(windows.GetActiveProcessorCount(windows.ALL_PROCESSOR_GROUPS)), nil
+}
+
+func getKernelMax() (int, error) {
+	return int(windows.GetMaximumProcessorCount(windows.ALL_PROCESSOR_GROUPS)), nil
+}
+
+func getOffline() (int, error) {
+	return 0, ErrNotSupported
+}
+
+func getOnline() (int, error) {
+	return int(windows.GetActiveProcessorCount(windows.ALL_PROCESSOR_GROUPS)), nil
+}
+
+func getPossible() (int, error) {
+	return int(windows.GetActiveProcessorCount(windows.ALL_PROCESSOR_GROUPS)), nil
+}
+
+func getPresent() (int, error) {
+	return int(windows.GetActiveProcessorCount(windows.ALL_PROCESSOR_GROUPS)), nil
+}