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golang
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1.19.4
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src
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runtime
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race
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..
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README
(1.54 KB)
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doc.go
(360 B)
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output_test.go
(8.48 KB)
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race.go
(796 B)
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race_linux_amd64.syso
(544.67 KB)
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race_linux_test.go
(996 B)
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race_test.go
(6.05 KB)
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race_unix_test.go
(756 B)
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race_windows_test.go
(1.28 KB)
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sched_test.go
(972 B)
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syso_test.go
(725 B)
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testdata
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timer_test.go
(576 B)
Editing: race_unix_test.go
// Copyright 2014 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 race && (darwin || freebsd || linux) package race_test import ( "sync/atomic" "syscall" "testing" "unsafe" ) // Test that race detector does not crash when accessing non-Go allocated memory (issue 9136). func TestNonGoMemory(t *testing.T) { data, err := syscall.Mmap(-1, 0, 4096, syscall.PROT_READ|syscall.PROT_WRITE, syscall.MAP_ANON|syscall.MAP_PRIVATE) if err != nil { t.Fatalf("failed to mmap memory: %v", err) } p := (*uint32)(unsafe.Pointer(&data[0])) atomic.AddUint32(p, 1) (*p)++ if *p != 2 { t.Fatalf("data[0] = %v, expect 2", *p) } syscall.Munmap(data) }
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