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Current Path: /opt/golang/1.19.4/src/runtime/testdata/testprog

opt / golang / 1.19.4 / src / runtime / testdata / testprog /

📁 ..
📄 abort.go(449 B)
📄 badtraceback.go(1.18 KB)
📄 checkptr.go(2.16 KB)
📄 crash.go(2.47 KB)
📄 crashdump.go(917 B)
📄 deadlock.go(6.5 KB)
📄 gc.go(12.08 KB)
📄 lockosthread.go(6.54 KB)
📄 main.go(651 B)
📄 map.go(1.26 KB)
📄 memprof.go(869 B)
📄 misc.go(306 B)
📄 numcpu_freebsd.go(3.38 KB)
📄 panicprint.go(2.22 KB)
📄 panicrace.go(414 B)
📄 preempt.go(1.61 KB)
📄 signal.go(861 B)
📄 sleep.go(378 B)
📄 stringconcat.go(443 B)
📄 syscall_windows.go(1.37 KB)
📄 syscalls.go(256 B)
📄 syscalls_linux.go(1.26 KB)
📄 syscalls_none.go(455 B)
📄 timeprof.go(813 B)
📄 traceback_ancestors.go(2.06 KB)
📄 vdso.go(1005 B)

Editing: syscalls_linux.go

// Copyright 2017 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.

package main

import (
	"bytes"
	"fmt"
	"os"
	"syscall"
)

func gettid() int {
	return syscall.Gettid()
}

func tidExists(tid int) (exists, supported bool) {
	stat, err := os.ReadFile(fmt.Sprintf("/proc/self/task/%d/stat", tid))
	if os.IsNotExist(err) {
		return false, true
	}
	// Check if it's a zombie thread.
	state := bytes.Fields(stat)[2]
	return !(len(state) == 1 && state[0] == 'Z'), true
}

func getcwd() (string, error) {
	if !syscall.ImplementsGetwd {
		return "", nil
	}
	// Use the syscall to get the current working directory.
	// This is imperative for checking for OS thread state
	// after an unshare since os.Getwd might just check the
	// environment, or use some other mechanism.
	var buf [4096]byte
	n, err := syscall.Getcwd(buf[:])
	if err != nil {
		return "", err
	}
	// Subtract one for null terminator.
	return string(buf[:n-1]), nil
}

func unshareFs() error {
	err := syscall.Unshare(syscall.CLONE_FS)
	if err != nil {
		errno, ok := err.(syscall.Errno)
		if ok && errno == syscall.EPERM {
			return errNotPermitted
		}
	}
	return err
}

func chdir(path string) error {
	return syscall.Chdir(path)
}

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Editing: syscalls_linux.go

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