// license that can be found in the LICENSE file.

package net

import (
	"errors"
	"internal/bytealg"
	"internal/godebug"
	"internal/stringslite"
	"io/fs"
	"os"
	"runtime"
	"sync"
	"syscall"
)

// The net package's name resolution is rather complicated.
// There are two main approaches, go and cgo.
// The cgo resolver uses C functions like getaddrinfo.
// The go resolver reads system files directly and

	if runtime.GOOS == "windows" {
		t.Skip("skipping on windows")
	}

	_, e := C.g()
	if e != syscall.E2BIG {
		t.Errorf("got %q, expect %q", e, syscall.E2BIG)
	}
	_, e = C.g2(C.EINVAL, C._expA, C._expB, C._expC, C._expD)
	if e != syscall.EINVAL {
		t.Errorf("got %q, expect %q", e, syscall.EINVAL)
	}
}

// issue 3945

func testPrintf(t *testing.T) {
	C.say()
}

| `minio_system_process_syscall_read_total`          | `counter` | Total read SysCalls to the kernel. /proc/[pid]/io syscr                                                        | `server` |
| `minio_system_process_syscall_write_total`         | `counter` | Total write SysCalls to the kernel. /proc/[pid]/io syscw                                                       | `server` |

| `minio_node_scanner_versions_scanned`      | Total number of object versions scanned since server start. |
| `minio_node_syscall_read_total`            | Total read SysCalls to the kernel. /proc/[pid]/io syscr.    |
| `minio_node_syscall_write_total`           | Total write SysCalls to the kernel. /proc/[pid]/io syscw.   |
| `minio_usage_last_activity_nano_seconds`   | Time elapsed (in nano seconds) since last scan activity.    |

# Bucket Metrics

	mp.gsignal = malg(32 * 1024)
	mp.gsignal.m = mp
	mp.notesig = (*int8)(mallocgc(_ERRMAX, nil, true))
	// Initialize stack for handling strings from the
	// errstr system call, as used in package syscall.
	mp.errstr = (*byte)(mallocgc(_ERRMAX, nil, true))
}

func sigsave(p *sigset) {
}

func msigrestore(sigmask sigset) {
}

//go:nosplit
//go:nowritebarrierrec

// used with DIRECT I/O based file descriptor and it is expected that
// input writer *os.File not a generic io.Writer. Make sure to have
// the file opened for writes with syscall.O_DIRECT flag.
func CopyAligned(w io.Writer, r io.Reader, alignedBuf []byte, totalSize int64, file *os.File) (int64, error) {
	if totalSize == 0 {
		return 0, nil
	}

	var written int64
	for {

// Important: filepath.Join(cwd, path) doesn't always produce
// the correct absolute path if path is relative, because on
// Windows producing the correct absolute path requires making
// a syscall. So this should only be used when looking up paths
// in the overlay, or canonicalizing the paths in the overlay.
func canonicalize(path string) string {
	if path == "" {
		return ""
	}
	if filepath.IsAbs(path) {

// the same process. Examples of excluded memory sources include: OS
// kernel memory held on behalf of the process, memory allocated by
// C code, and memory mapped by syscall.Mmap (because it is not
// managed by the Go runtime).
//
// More specifically, the following expression accurately reflects
// the value the runtime attempts to maintain as the limit:
//

	// code generated by cmd/cgo for the above source.
	const cgoTypes = `
// Code generated by cmd/cgo; DO NOT EDIT.

package p

import "unsafe"

import "syscall"

import _cgopackage "runtime/cgo"

type _ _cgopackage.Incomplete
var _ syscall.Errno
func _Cgo_ptr(ptr unsafe.Pointer) unsafe.Pointer { return ptr }

//go:linkname _Cgo_always_false runtime.cgoAlwaysFalse
var _Cgo_always_false bool

// See https://go.dev/blog/path-security for more information.
package exec

import (
	"bytes"
	"context"
	"errors"
	"internal/godebug"
	"internal/syscall/execenv"
	"io"
	"os"
	"path/filepath"
	"runtime"
	"strconv"
	"strings"
	"syscall"
	"time"
)

// Error is returned by [LookPath] when it fails to classify a file as an
// executable.
type Error struct {