func TestStatPagefile(t *testing.T) {
	t.Parallel()

	const path = `c:\pagefile.sys`
	fi, err := os.Stat(path)
	if err == nil {
		if fi.Name() == "" {
			t.Fatalf("Stat(%q).Name() is empty", path)
		}
		t.Logf("Stat(%q).Size() = %v", path, fi.Size())
		return
	}
	if os.IsNotExist(err) {
		t.Skip(`skipping because c:\pagefile.sys is not found`)
	}
	t.Fatal(err)
}

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

// Time-related runtime and pieces of package time.

package runtime

import (
	"internal/abi"
	"internal/runtime/atomic"
	"runtime/internal/sys"
	"unsafe"
)

// A timer is a potentially repeating trigger for calling t.f(t.arg, t.seq).
// Timers are allocated by client code, often as part of other data structures.

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build unix

package runtime

import (
	"internal/abi"
	"internal/runtime/atomic"
	"runtime/internal/sys"
	"unsafe"
)

// sigTabT is the type of an entry in the global sigtable array.
// sigtable is inherently system dependent, and appears in OS-specific files,
// but sigTabT is the same for all Unixy systems.

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

package runtime

import (
	"internal/abi"
	"internal/chacha8rand"
	"internal/goarch"
	"internal/runtime/atomic"
	"runtime/internal/sys"
	"unsafe"
)

// defined constants
const (
	// G status
	//
	// Beyond indicating the general state of a G, the G status
	// acts like a lock on the goroutine's stack (and hence its

	if runtime.GOOS == "solaris" || runtime.GOOS == "illumos" {
		t.Skip("skipping gdb python tests on illumos and solaris; see golang.org/issue/20821")
	}
	args := []string{"-nx", "-q", "--batch", "-iex", "python import sys; print('go gdb python support')"}
	gdbArgsFixup(args)
	cmd := exec.Command("gdb", args...)
	out, err := cmd.CombinedOutput()

	if err != nil {
		t.Skipf("skipping due to issue running gdb: %v", err)
	}

#include <complex.h>
#include <math.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/stat.h>
#include <errno.h>
#cgo !darwin LDFLAGS: -lm

#ifndef WIN32
#include <pthread.h>
#include <signal.h>
#endif

// alignment tests

typedef unsigned char Uint8;
typedef unsigned short Uint16;

		header, zerr := zip.FileInfoHeader(dummyFileInfo{
			name:    filename,
			size:    int64(sz),
			mode:    0o600,
			modTime: time.Now(),
			isDir:   false,
			sys:     nil,
		})
		if zerr == nil {
			header.Method = zip.Deflate
			zwriter, zerr := zipWriter.CreateHeader(header)
			if zerr == nil {
				io.Copy(zwriter, r)
			}
		}
	}

// armPublicationBarrier is a native store/store barrier for ARMv7+.
// On earlier ARM revisions, armPublicationBarrier is a no-op.
// This will not work on SMP ARMv6 machines, if any are in use.
// To implement publicationBarrier in sys_$GOOS_arm.s using the native
// instructions, use:
//
//	TEXT ·publicationBarrier(SB),NOSPLIT|NOFRAME,$0-0
//		B	runtime·armPublicationBarrier(SB)
//
TEXT runtime·armPublicationBarrier(SB),NOSPLIT|NOFRAME,$0-0

func (fi dataFileInfo) Mode() fs.FileMode  { return 0644 }
func (fi dataFileInfo) ModTime() time.Time { return time.Time{} }
func (fi dataFileInfo) IsDir() bool        { return false }
func (fi dataFileInfo) Sys() any           { return nil }

func (fi dataFileInfo) String() string {
	return fs.FormatFileInfo(fi)
}

// hasPathPrefix reports whether the path s begins with the
// elements in prefix.

		// When the parent resumes, it is using the same stack frame. But the
		// child has clobbered stack variables that the parent needs. Boom!
		// In particular, the sys argument gets clobbered.
		return
	}
	if lv.f.Name == "wbBufFlush" ||
		((lv.f.Name == "callReflect" || lv.f.Name == "callMethod") && lv.fn.ABIWrapper()) {