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Current Path: /opt/golang/1.22.0/src/runtime/testdata/testprog

opt / golang / 1.22.0 / src / runtime / testdata / testprog /

📁 ..
📄 abort.go(449 B)
📄 badtraceback.go(1.18 KB)
📄 checkptr.go(2.42 KB)
📄 crash.go(2.47 KB)
📄 crashdump.go(917 B)
📄 deadlock.go(6.5 KB)
📄 framepointer.go(839 B)
📄 framepointer_amd64.s(248 B)
📄 framepointer_arm64.s(249 B)
📄 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)
📄 segv.go(479 B)
📄 segv_linux.go(517 B)
📄 signal.go(861 B)
📄 sleep.go(378 B)
📄 stringconcat.go(443 B)
📄 syscall_windows.go(1.5 KB)
📄 syscalls.go(256 B)
📄 syscalls_linux.go(1.23 KB)
📄 syscalls_none.go(455 B)
📄 timeprof.go(813 B)
📄 traceback_ancestors.go(2.07 KB)
📄 unsafe.go(195 B)
📄 vdso.go(1005 B)

Editing: crash.go

// Copyright 2015 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 (
	"fmt"
	"runtime"
)

func init() {
	register("Crash", Crash)
	register("DoublePanic", DoublePanic)
	register("ErrorPanic", ErrorPanic)
	register("StringerPanic", StringerPanic)
	register("DoubleErrorPanic", DoubleErrorPanic)
	register("DoubleStringerPanic", DoubleStringerPanic)
	register("StringPanic", StringPanic)
	register("NilPanic", NilPanic)
	register("CircularPanic", CircularPanic)
}

func test(name string) {
	defer func() {
		if x := recover(); x != nil {
			fmt.Printf(" recovered")
		}
		fmt.Printf(" done\n")
	}()
	fmt.Printf("%s:", name)
	var s *string
	_ = *s
	fmt.Print("SHOULD NOT BE HERE")
}

func testInNewThread(name string) {
	c := make(chan bool)
	go func() {
		runtime.LockOSThread()
		test(name)
		c <- true
	}()
	<-c
}

func Crash() {
	runtime.LockOSThread()
	test("main")
	testInNewThread("new-thread")
	testInNewThread("second-new-thread")
	test("main-again")
}

type P string

func (p P) String() string {
	// Try to free the "YYY" string header when the "XXX"
	// panic is stringified.
	runtime.GC()
	runtime.GC()
	runtime.GC()
	return string(p)
}

// Test that panic message is not clobbered.
// See issue 30150.
func DoublePanic() {
	defer func() {
		panic(P("YYY"))
	}()
	panic(P("XXX"))
}

// Test that panic while panicking discards error message
// See issue 52257
type exampleError struct{}

func (e exampleError) Error() string {
	panic("important error message")
}

func ErrorPanic() {
	panic(exampleError{})
}

type examplePanicError struct{}

func (e examplePanicError) Error() string {
	panic(exampleError{})
}

func DoubleErrorPanic() {
	panic(examplePanicError{})
}

type exampleStringer struct{}

func (s exampleStringer) String() string {
	panic("important stringer message")
}

func StringerPanic() {
	panic(exampleStringer{})
}

type examplePanicStringer struct{}

func (s examplePanicStringer) String() string {
	panic(exampleStringer{})
}

func DoubleStringerPanic() {
	panic(examplePanicStringer{})
}

func StringPanic() {
	panic("important string message")
}

func NilPanic() {
	panic(nil)
}

type exampleCircleStartError struct{}

func (e exampleCircleStartError) Error() string {
	panic(exampleCircleEndError{})
}

type exampleCircleEndError struct{}

func (e exampleCircleEndError) Error() string {
	panic(exampleCircleStartError{})
}

func CircularPanic() {
	panic(exampleCircleStartError{})
}

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Editing: crash.go

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