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authorLibravatar dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>2023-01-09 08:10:55 +0000
committerLibravatar GitHub <noreply@github.com>2023-01-09 08:10:55 +0000
commit345b765a46d7646f6597698a95cf0f3b1915448d (patch)
treee38a76109513c35a64e8f71a27facd81bc6f213d /vendor/golang.org/x/sys/cpu/proc_cpuinfo_linux.go
parent[bugfix] return early in websocket upgrade handler (#1315) (diff)
downloadgotosocial-345b765a46d7646f6597698a95cf0f3b1915448d.tar.xz
[chore]: Bump golang.org/x/net from 0.4.0 to 0.5.0 (#1319)
Bumps [golang.org/x/net](https://github.com/golang/net) from 0.4.0 to 0.5.0. - [Release notes](https://github.com/golang/net/releases) - [Commits](https://github.com/golang/net/compare/v0.4.0...v0.5.0) --- updated-dependencies: - dependency-name: golang.org/x/net dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com> Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Diffstat (limited to 'vendor/golang.org/x/sys/cpu/proc_cpuinfo_linux.go')
-rw-r--r--vendor/golang.org/x/sys/cpu/proc_cpuinfo_linux.go54
1 files changed, 54 insertions, 0 deletions
diff --git a/vendor/golang.org/x/sys/cpu/proc_cpuinfo_linux.go b/vendor/golang.org/x/sys/cpu/proc_cpuinfo_linux.go
new file mode 100644
index 000000000..d87bd6b3e
--- /dev/null
+++ b/vendor/golang.org/x/sys/cpu/proc_cpuinfo_linux.go
@@ -0,0 +1,54 @@
+// Copyright 2022 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+//go:build linux && arm64
+// +build linux,arm64
+
+package cpu
+
+import (
+ "errors"
+ "io"
+ "os"
+ "strings"
+)
+
+func readLinuxProcCPUInfo() error {
+ f, err := os.Open("/proc/cpuinfo")
+ if err != nil {
+ return err
+ }
+ defer f.Close()
+
+ var buf [1 << 10]byte // enough for first CPU
+ n, err := io.ReadFull(f, buf[:])
+ if err != nil && err != io.ErrUnexpectedEOF {
+ return err
+ }
+ in := string(buf[:n])
+ const features = "\nFeatures : "
+ i := strings.Index(in, features)
+ if i == -1 {
+ return errors.New("no CPU features found")
+ }
+ in = in[i+len(features):]
+ if i := strings.Index(in, "\n"); i != -1 {
+ in = in[:i]
+ }
+ m := map[string]*bool{}
+
+ initOptions() // need it early here; it's harmless to call twice
+ for _, o := range options {
+ m[o.Name] = o.Feature
+ }
+ // The EVTSTRM field has alias "evstrm" in Go, but Linux calls it "evtstrm".
+ m["evtstrm"] = &ARM64.HasEVTSTRM
+
+ for _, f := range strings.Fields(in) {
+ if p, ok := m[f]; ok {
+ *p = true
+ }
+ }
+ return nil
+}