| // Copyright 2012 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 cgo |
| |
| package runtime_test |
| |
| import ( |
| "fmt" |
| "internal/goos" |
| "internal/platform" |
| "internal/testenv" |
| "os" |
| "os/exec" |
| "runtime" |
| "strconv" |
| "strings" |
| "testing" |
| "time" |
| ) |
| |
| func TestCgoCrashHandler(t *testing.T) { |
| t.Parallel() |
| testCrashHandler(t, true) |
| } |
| |
| func TestCgoSignalDeadlock(t *testing.T) { |
| // Don't call t.Parallel, since too much work going on at the |
| // same time can cause the testprogcgo code to overrun its |
| // timeouts (issue #18598). |
| |
| if testing.Short() && runtime.GOOS == "windows" { |
| t.Skip("Skipping in short mode") // takes up to 64 seconds |
| } |
| got := runTestProg(t, "testprogcgo", "CgoSignalDeadlock") |
| want := "OK\n" |
| if got != want { |
| t.Fatalf("expected %q, but got:\n%s", want, got) |
| } |
| } |
| |
| func TestCgoTraceback(t *testing.T) { |
| t.Parallel() |
| got := runTestProg(t, "testprogcgo", "CgoTraceback") |
| want := "OK\n" |
| if got != want { |
| t.Fatalf("expected %q, but got:\n%s", want, got) |
| } |
| } |
| |
| func TestCgoCallbackGC(t *testing.T) { |
| t.Parallel() |
| switch runtime.GOOS { |
| case "plan9", "windows": |
| t.Skipf("no pthreads on %s", runtime.GOOS) |
| } |
| if testing.Short() { |
| switch { |
| case runtime.GOOS == "dragonfly": |
| t.Skip("see golang.org/issue/11990") |
| case runtime.GOOS == "linux" && runtime.GOARCH == "arm": |
| t.Skip("too slow for arm builders") |
| case runtime.GOOS == "linux" && (runtime.GOARCH == "mips64" || runtime.GOARCH == "mips64le"): |
| t.Skip("too slow for mips64x builders") |
| } |
| } |
| got := runTestProg(t, "testprogcgo", "CgoCallbackGC") |
| want := "OK\n" |
| if got != want { |
| t.Fatalf("expected %q, but got:\n%s", want, got) |
| } |
| } |
| |
| func TestCgoExternalThreadPanic(t *testing.T) { |
| t.Parallel() |
| if runtime.GOOS == "plan9" { |
| t.Skipf("no pthreads on %s", runtime.GOOS) |
| } |
| got := runTestProg(t, "testprogcgo", "CgoExternalThreadPanic") |
| want := "panic: BOOM" |
| if !strings.Contains(got, want) { |
| t.Fatalf("want failure containing %q. output:\n%s\n", want, got) |
| } |
| } |
| |
| func TestCgoExternalThreadSIGPROF(t *testing.T) { |
| t.Parallel() |
| // issue 9456. |
| switch runtime.GOOS { |
| case "plan9", "windows": |
| t.Skipf("no pthreads on %s", runtime.GOOS) |
| } |
| |
| got := runTestProg(t, "testprogcgo", "CgoExternalThreadSIGPROF", "GO_START_SIGPROF_THREAD=1") |
| if want := "OK\n"; got != want { |
| t.Fatalf("expected %q, but got:\n%s", want, got) |
| } |
| } |
| |
| func TestCgoExternalThreadSignal(t *testing.T) { |
| t.Parallel() |
| // issue 10139 |
| switch runtime.GOOS { |
| case "plan9", "windows": |
| t.Skipf("no pthreads on %s", runtime.GOOS) |
| } |
| |
| got := runTestProg(t, "testprogcgo", "CgoExternalThreadSignal") |
| if want := "OK\n"; got != want { |
| if runtime.GOOS == "ios" && strings.Contains(got, "C signal did not crash as expected") { |
| testenv.SkipFlaky(t, 59913) |
| } |
| t.Fatalf("expected %q, but got:\n%s", want, got) |
| } |
| } |
| |
| func TestCgoDLLImports(t *testing.T) { |
| // test issue 9356 |
| if runtime.GOOS != "windows" { |
| t.Skip("skipping windows specific test") |
| } |
| got := runTestProg(t, "testprogcgo", "CgoDLLImportsMain") |
| want := "OK\n" |
| if got != want { |
| t.Fatalf("expected %q, but got %v", want, got) |
| } |
| } |
| |
| func TestCgoExecSignalMask(t *testing.T) { |
| t.Parallel() |
| // Test issue 13164. |
| switch runtime.GOOS { |
| case "windows", "plan9": |
| t.Skipf("skipping signal mask test on %s", runtime.GOOS) |
| } |
| got := runTestProg(t, "testprogcgo", "CgoExecSignalMask", "GOTRACEBACK=system") |
| want := "OK\n" |
| if got != want { |
| t.Errorf("expected %q, got %v", want, got) |
| } |
| } |
| |
| func TestEnsureDropM(t *testing.T) { |
| t.Parallel() |
| // Test for issue 13881. |
| switch runtime.GOOS { |
| case "windows", "plan9": |
| t.Skipf("skipping dropm test on %s", runtime.GOOS) |
| } |
| got := runTestProg(t, "testprogcgo", "EnsureDropM") |
| want := "OK\n" |
| if got != want { |
| t.Errorf("expected %q, got %v", want, got) |
| } |
| } |
| |
| // Test for issue 14387. |
| // Test that the program that doesn't need any cgo pointer checking |
| // takes about the same amount of time with it as without it. |
| func TestCgoCheckBytes(t *testing.T) { |
| t.Parallel() |
| // Make sure we don't count the build time as part of the run time. |
| testenv.MustHaveGoBuild(t) |
| exe, err := buildTestProg(t, "testprogcgo") |
| if err != nil { |
| t.Fatal(err) |
| } |
| |
| // Try it 10 times to avoid flakiness. |
| const tries = 10 |
| var tot1, tot2 time.Duration |
| for i := 0; i < tries; i++ { |
| cmd := testenv.CleanCmdEnv(exec.Command(exe, "CgoCheckBytes")) |
| cmd.Env = append(cmd.Env, "GODEBUG=cgocheck=0", fmt.Sprintf("GO_CGOCHECKBYTES_TRY=%d", i)) |
| |
| start := time.Now() |
| cmd.Run() |
| d1 := time.Since(start) |
| |
| cmd = testenv.CleanCmdEnv(exec.Command(exe, "CgoCheckBytes")) |
| cmd.Env = append(cmd.Env, fmt.Sprintf("GO_CGOCHECKBYTES_TRY=%d", i)) |
| |
| start = time.Now() |
| cmd.Run() |
| d2 := time.Since(start) |
| |
| if d1*20 > d2 { |
| // The slow version (d2) was less than 20 times |
| // slower than the fast version (d1), so OK. |
| return |
| } |
| |
| tot1 += d1 |
| tot2 += d2 |
| } |
| |
| t.Errorf("cgo check too slow: got %v, expected at most %v", tot2/tries, (tot1/tries)*20) |
| } |
| |
| func TestCgoPanicDeadlock(t *testing.T) { |
| t.Parallel() |
| // test issue 14432 |
| got := runTestProg(t, "testprogcgo", "CgoPanicDeadlock") |
| want := "panic: cgo error\n\n" |
| if !strings.HasPrefix(got, want) { |
| t.Fatalf("output does not start with %q:\n%s", want, got) |
| } |
| } |
| |
| func TestCgoCCodeSIGPROF(t *testing.T) { |
| t.Parallel() |
| got := runTestProg(t, "testprogcgo", "CgoCCodeSIGPROF") |
| want := "OK\n" |
| if got != want { |
| t.Errorf("expected %q got %v", want, got) |
| } |
| } |
| |
| func TestCgoPprofCallback(t *testing.T) { |
| if testing.Short() { |
| t.Skip("skipping in short mode") // takes a full second |
| } |
| switch runtime.GOOS { |
| case "windows", "plan9": |
| t.Skipf("skipping cgo pprof callback test on %s", runtime.GOOS) |
| } |
| got := runTestProg(t, "testprogcgo", "CgoPprofCallback") |
| want := "OK\n" |
| if got != want { |
| t.Errorf("expected %q got %v", want, got) |
| } |
| } |
| |
| func TestCgoCrashTraceback(t *testing.T) { |
| t.Parallel() |
| switch platform := runtime.GOOS + "/" + runtime.GOARCH; platform { |
| case "darwin/amd64": |
| case "linux/amd64": |
| case "linux/arm64": |
| case "linux/ppc64le": |
| default: |
| t.Skipf("not yet supported on %s", platform) |
| } |
| got := runTestProg(t, "testprogcgo", "CrashTraceback") |
| for i := 1; i <= 3; i++ { |
| if !strings.Contains(got, fmt.Sprintf("cgo symbolizer:%d", i)) { |
| t.Errorf("missing cgo symbolizer:%d", i) |
| } |
| } |
| } |
| |
| func TestCgoCrashTracebackGo(t *testing.T) { |
| t.Parallel() |
| switch platform := runtime.GOOS + "/" + runtime.GOARCH; platform { |
| case "darwin/amd64": |
| case "linux/amd64": |
| case "linux/arm64": |
| case "linux/ppc64le": |
| default: |
| t.Skipf("not yet supported on %s", platform) |
| } |
| got := runTestProg(t, "testprogcgo", "CrashTracebackGo") |
| for i := 1; i <= 3; i++ { |
| want := fmt.Sprintf("main.h%d", i) |
| if !strings.Contains(got, want) { |
| t.Errorf("missing %s", want) |
| } |
| } |
| } |
| |
| func TestCgoTracebackContext(t *testing.T) { |
| t.Parallel() |
| got := runTestProg(t, "testprogcgo", "TracebackContext") |
| want := "OK\n" |
| if got != want { |
| t.Errorf("expected %q got %v", want, got) |
| } |
| } |
| |
| func TestCgoTracebackContextPreemption(t *testing.T) { |
| t.Parallel() |
| got := runTestProg(t, "testprogcgo", "TracebackContextPreemption") |
| want := "OK\n" |
| if got != want { |
| t.Errorf("expected %q got %v", want, got) |
| } |
| } |
| |
| func testCgoPprof(t *testing.T, buildArg, runArg, top, bottom string) { |
| t.Parallel() |
| if runtime.GOOS != "linux" || (runtime.GOARCH != "amd64" && runtime.GOARCH != "ppc64le" && runtime.GOARCH != "arm64") { |
| t.Skipf("not yet supported on %s/%s", runtime.GOOS, runtime.GOARCH) |
| } |
| testenv.MustHaveGoRun(t) |
| |
| exe, err := buildTestProg(t, "testprogcgo", buildArg) |
| if err != nil { |
| t.Fatal(err) |
| } |
| |
| cmd := testenv.CleanCmdEnv(exec.Command(exe, runArg)) |
| got, err := cmd.CombinedOutput() |
| if err != nil { |
| if testenv.Builder() == "linux-amd64-alpine" { |
| // See Issue 18243 and Issue 19938. |
| t.Skipf("Skipping failing test on Alpine (golang.org/issue/18243). Ignoring error: %v", err) |
| } |
| t.Fatalf("%s\n\n%v", got, err) |
| } |
| fn := strings.TrimSpace(string(got)) |
| defer os.Remove(fn) |
| |
| for try := 0; try < 2; try++ { |
| cmd := testenv.CleanCmdEnv(exec.Command(testenv.GoToolPath(t), "tool", "pprof", "-tagignore=ignore", "-traces")) |
| // Check that pprof works both with and without explicit executable on command line. |
| if try == 0 { |
| cmd.Args = append(cmd.Args, exe, fn) |
| } else { |
| cmd.Args = append(cmd.Args, fn) |
| } |
| |
| found := false |
| for i, e := range cmd.Env { |
| if strings.HasPrefix(e, "PPROF_TMPDIR=") { |
| cmd.Env[i] = "PPROF_TMPDIR=" + os.TempDir() |
| found = true |
| break |
| } |
| } |
| if !found { |
| cmd.Env = append(cmd.Env, "PPROF_TMPDIR="+os.TempDir()) |
| } |
| |
| out, err := cmd.CombinedOutput() |
| t.Logf("%s:\n%s", cmd.Args, out) |
| if err != nil { |
| t.Error(err) |
| continue |
| } |
| |
| trace := findTrace(string(out), top) |
| if len(trace) == 0 { |
| t.Errorf("%s traceback missing.", top) |
| continue |
| } |
| if trace[len(trace)-1] != bottom { |
| t.Errorf("invalid traceback origin: got=%v; want=[%s ... %s]", trace, top, bottom) |
| } |
| } |
| } |
| |
| func TestCgoPprof(t *testing.T) { |
| testCgoPprof(t, "", "CgoPprof", "cpuHog", "runtime.main") |
| } |
| |
| func TestCgoPprofPIE(t *testing.T) { |
| testCgoPprof(t, "-buildmode=pie", "CgoPprof", "cpuHog", "runtime.main") |
| } |
| |
| func TestCgoPprofThread(t *testing.T) { |
| testCgoPprof(t, "", "CgoPprofThread", "cpuHogThread", "cpuHogThread2") |
| } |
| |
| func TestCgoPprofThreadNoTraceback(t *testing.T) { |
| testCgoPprof(t, "", "CgoPprofThreadNoTraceback", "cpuHogThread", "runtime._ExternalCode") |
| } |
| |
| func TestRaceProf(t *testing.T) { |
| if !platform.RaceDetectorSupported(runtime.GOOS, runtime.GOARCH) { |
| t.Skipf("skipping on %s/%s because race detector not supported", runtime.GOOS, runtime.GOARCH) |
| } |
| if runtime.GOOS == "windows" { |
| t.Skipf("skipping: test requires pthread support") |
| // TODO: Can this test be rewritten to use the C11 thread API instead? |
| } |
| |
| testenv.MustHaveGoRun(t) |
| |
| // This test requires building various packages with -race, so |
| // it's somewhat slow. |
| if testing.Short() { |
| t.Skip("skipping test in -short mode") |
| } |
| |
| exe, err := buildTestProg(t, "testprogcgo", "-race") |
| if err != nil { |
| t.Fatal(err) |
| } |
| |
| got, err := testenv.CleanCmdEnv(exec.Command(exe, "CgoRaceprof")).CombinedOutput() |
| if err != nil { |
| t.Fatal(err) |
| } |
| want := "OK\n" |
| if string(got) != want { |
| t.Errorf("expected %q got %s", want, got) |
| } |
| } |
| |
| func TestRaceSignal(t *testing.T) { |
| if !platform.RaceDetectorSupported(runtime.GOOS, runtime.GOARCH) { |
| t.Skipf("skipping on %s/%s because race detector not supported", runtime.GOOS, runtime.GOARCH) |
| } |
| if runtime.GOOS == "windows" { |
| t.Skipf("skipping: test requires pthread support") |
| // TODO: Can this test be rewritten to use the C11 thread API instead? |
| } |
| if runtime.GOOS == "darwin" || runtime.GOOS == "ios" { |
| testenv.SkipFlaky(t, 60316) |
| } |
| |
| t.Parallel() |
| |
| testenv.MustHaveGoRun(t) |
| |
| // This test requires building various packages with -race, so |
| // it's somewhat slow. |
| if testing.Short() { |
| t.Skip("skipping test in -short mode") |
| } |
| |
| exe, err := buildTestProg(t, "testprogcgo", "-race") |
| if err != nil { |
| t.Fatal(err) |
| } |
| |
| got, err := testenv.CleanCmdEnv(testenv.Command(t, exe, "CgoRaceSignal")).CombinedOutput() |
| if err != nil { |
| t.Logf("%s\n", got) |
| t.Fatal(err) |
| } |
| want := "OK\n" |
| if string(got) != want { |
| t.Errorf("expected %q got %s", want, got) |
| } |
| } |
| |
| func TestCgoNumGoroutine(t *testing.T) { |
| switch runtime.GOOS { |
| case "windows", "plan9": |
| t.Skipf("skipping numgoroutine test on %s", runtime.GOOS) |
| } |
| t.Parallel() |
| got := runTestProg(t, "testprogcgo", "NumGoroutine") |
| want := "OK\n" |
| if got != want { |
| t.Errorf("expected %q got %v", want, got) |
| } |
| } |
| |
| func TestCatchPanic(t *testing.T) { |
| t.Parallel() |
| switch runtime.GOOS { |
| case "plan9", "windows": |
| t.Skipf("no signals on %s", runtime.GOOS) |
| case "darwin": |
| if runtime.GOARCH == "amd64" { |
| t.Skipf("crash() on darwin/amd64 doesn't raise SIGABRT") |
| } |
| } |
| |
| testenv.MustHaveGoRun(t) |
| |
| exe, err := buildTestProg(t, "testprogcgo") |
| if err != nil { |
| t.Fatal(err) |
| } |
| |
| for _, early := range []bool{true, false} { |
| cmd := testenv.CleanCmdEnv(exec.Command(exe, "CgoCatchPanic")) |
| // Make sure a panic results in a crash. |
| cmd.Env = append(cmd.Env, "GOTRACEBACK=crash") |
| if early { |
| // Tell testprogcgo to install an early signal handler for SIGABRT |
| cmd.Env = append(cmd.Env, "CGOCATCHPANIC_EARLY_HANDLER=1") |
| } |
| if out, err := cmd.CombinedOutput(); err != nil { |
| t.Errorf("testprogcgo CgoCatchPanic failed: %v\n%s", err, out) |
| } |
| } |
| } |
| |
| func TestCgoLockOSThreadExit(t *testing.T) { |
| switch runtime.GOOS { |
| case "plan9", "windows": |
| t.Skipf("no pthreads on %s", runtime.GOOS) |
| } |
| t.Parallel() |
| testLockOSThreadExit(t, "testprogcgo") |
| } |
| |
| func TestWindowsStackMemoryCgo(t *testing.T) { |
| if runtime.GOOS != "windows" { |
| t.Skip("skipping windows specific test") |
| } |
| testenv.SkipFlaky(t, 22575) |
| o := runTestProg(t, "testprogcgo", "StackMemory") |
| stackUsage, err := strconv.Atoi(o) |
| if err != nil { |
| t.Fatalf("Failed to read stack usage: %v", err) |
| } |
| if expected, got := 100<<10, stackUsage; got > expected { |
| t.Fatalf("expected < %d bytes of memory per thread, got %d", expected, got) |
| } |
| } |
| |
| func TestSigStackSwapping(t *testing.T) { |
| switch runtime.GOOS { |
| case "plan9", "windows": |
| t.Skipf("no sigaltstack on %s", runtime.GOOS) |
| } |
| t.Parallel() |
| got := runTestProg(t, "testprogcgo", "SigStack") |
| want := "OK\n" |
| if got != want { |
| t.Errorf("expected %q got %v", want, got) |
| } |
| } |
| |
| func TestCgoTracebackSigpanic(t *testing.T) { |
| // Test unwinding over a sigpanic in C code without a C |
| // symbolizer. See issue #23576. |
| if runtime.GOOS == "windows" { |
| // On Windows if we get an exception in C code, we let |
| // the Windows exception handler unwind it, rather |
| // than injecting a sigpanic. |
| t.Skip("no sigpanic in C on windows") |
| } |
| if runtime.GOOS == "ios" { |
| testenv.SkipFlaky(t, 59912) |
| } |
| t.Parallel() |
| got := runTestProg(t, "testprogcgo", "TracebackSigpanic") |
| t.Log(got) |
| // We should see the function that calls the C function. |
| want := "main.TracebackSigpanic" |
| if !strings.Contains(got, want) { |
| if runtime.GOOS == "android" && (runtime.GOARCH == "arm" || runtime.GOARCH == "arm64") { |
| testenv.SkipFlaky(t, 58794) |
| } |
| t.Errorf("did not see %q in output", want) |
| } |
| // We shouldn't inject a sigpanic call. (see issue 57698) |
| nowant := "runtime.sigpanic" |
| if strings.Contains(got, nowant) { |
| t.Errorf("unexpectedly saw %q in output", nowant) |
| } |
| // No runtime errors like "runtime: unexpected return pc". |
| nowant = "runtime: " |
| if strings.Contains(got, nowant) { |
| t.Errorf("unexpectedly saw %q in output", nowant) |
| } |
| } |
| |
| func TestCgoPanicCallback(t *testing.T) { |
| t.Parallel() |
| got := runTestProg(t, "testprogcgo", "PanicCallback") |
| t.Log(got) |
| want := "panic: runtime error: invalid memory address or nil pointer dereference" |
| if !strings.Contains(got, want) { |
| t.Errorf("did not see %q in output", want) |
| } |
| want = "panic_callback" |
| if !strings.Contains(got, want) { |
| t.Errorf("did not see %q in output", want) |
| } |
| want = "PanicCallback" |
| if !strings.Contains(got, want) { |
| t.Errorf("did not see %q in output", want) |
| } |
| // No runtime errors like "runtime: unexpected return pc". |
| nowant := "runtime: " |
| if strings.Contains(got, nowant) { |
| t.Errorf("did not see %q in output", want) |
| } |
| } |
| |
| // Test that C code called via cgo can use large Windows thread stacks |
| // and call back in to Go without crashing. See issue #20975. |
| // |
| // See also TestBigStackCallbackSyscall. |
| func TestBigStackCallbackCgo(t *testing.T) { |
| if runtime.GOOS != "windows" { |
| t.Skip("skipping windows specific test") |
| } |
| t.Parallel() |
| got := runTestProg(t, "testprogcgo", "BigStack") |
| want := "OK\n" |
| if got != want { |
| t.Errorf("expected %q got %v", want, got) |
| } |
| } |
| |
| func nextTrace(lines []string) ([]string, []string) { |
| var trace []string |
| for n, line := range lines { |
| if strings.HasPrefix(line, "---") { |
| return trace, lines[n+1:] |
| } |
| fields := strings.Fields(strings.TrimSpace(line)) |
| if len(fields) == 0 { |
| continue |
| } |
| // Last field contains the function name. |
| trace = append(trace, fields[len(fields)-1]) |
| } |
| return nil, nil |
| } |
| |
| func findTrace(text, top string) []string { |
| lines := strings.Split(text, "\n") |
| _, lines = nextTrace(lines) // Skip the header. |
| for len(lines) > 0 { |
| var t []string |
| t, lines = nextTrace(lines) |
| if len(t) == 0 { |
| continue |
| } |
| if t[0] == top { |
| return t |
| } |
| } |
| return nil |
| } |
| |
| func TestSegv(t *testing.T) { |
| switch runtime.GOOS { |
| case "plan9", "windows": |
| t.Skipf("no signals on %s", runtime.GOOS) |
| } |
| |
| for _, test := range []string{"Segv", "SegvInCgo", "TgkillSegv", "TgkillSegvInCgo"} { |
| test := test |
| |
| // The tgkill variants only run on Linux. |
| if runtime.GOOS != "linux" && strings.HasPrefix(test, "Tgkill") { |
| continue |
| } |
| |
| t.Run(test, func(t *testing.T) { |
| if test == "SegvInCgo" && runtime.GOOS == "ios" { |
| testenv.SkipFlaky(t, 59947) // Don't even try, in case it times out. |
| } |
| |
| t.Parallel() |
| prog := "testprog" |
| if strings.HasSuffix(test, "InCgo") { |
| prog = "testprogcgo" |
| } |
| got := runTestProg(t, prog, test) |
| t.Log(got) |
| want := "SIGSEGV" |
| if !strings.Contains(got, want) { |
| if runtime.GOOS == "darwin" && runtime.GOARCH == "amd64" && strings.Contains(got, "fatal: morestack on g0") { |
| testenv.SkipFlaky(t, 39457) |
| } |
| t.Errorf("did not see %q in output", want) |
| } |
| |
| // No runtime errors like "runtime: unknown pc". |
| switch runtime.GOOS { |
| case "darwin", "ios", "illumos", "solaris": |
| // Runtime sometimes throws when generating the traceback. |
| testenv.SkipFlaky(t, 49182) |
| case "linux": |
| if runtime.GOARCH == "386" { |
| // Runtime throws when generating a traceback from |
| // a VDSO call via asmcgocall. |
| testenv.SkipFlaky(t, 50504) |
| } |
| } |
| if test == "SegvInCgo" && strings.Contains(got, "unknown pc") { |
| testenv.SkipFlaky(t, 50979) |
| } |
| |
| for _, nowant := range []string{"fatal error: ", "runtime: "} { |
| if strings.Contains(got, nowant) { |
| if runtime.GOOS == "darwin" && strings.Contains(got, "0xb01dfacedebac1e") { |
| // See the comment in signal_darwin_amd64.go. |
| t.Skip("skipping due to Darwin handling of malformed addresses") |
| } |
| t.Errorf("unexpectedly saw %q in output", nowant) |
| } |
| } |
| }) |
| } |
| } |
| |
| func TestAbortInCgo(t *testing.T) { |
| switch runtime.GOOS { |
| case "plan9", "windows": |
| // N.B. On Windows, C abort() causes the program to exit |
| // without going through the runtime at all. |
| t.Skipf("no signals on %s", runtime.GOOS) |
| } |
| |
| t.Parallel() |
| got := runTestProg(t, "testprogcgo", "Abort") |
| t.Log(got) |
| want := "SIGABRT" |
| if !strings.Contains(got, want) { |
| t.Errorf("did not see %q in output", want) |
| } |
| // No runtime errors like "runtime: unknown pc". |
| nowant := "runtime: " |
| if strings.Contains(got, nowant) { |
| t.Errorf("did not see %q in output", want) |
| } |
| } |
| |
| // TestEINTR tests that we handle EINTR correctly. |
| // See issue #20400 and friends. |
| func TestEINTR(t *testing.T) { |
| switch runtime.GOOS { |
| case "plan9", "windows": |
| t.Skipf("no EINTR on %s", runtime.GOOS) |
| case "linux": |
| if runtime.GOARCH == "386" { |
| // On linux-386 the Go signal handler sets |
| // a restorer function that is not preserved |
| // by the C sigaction call in the test, |
| // causing the signal handler to crash when |
| // returning the normal code. The test is not |
| // architecture-specific, so just skip on 386 |
| // rather than doing a complicated workaround. |
| t.Skip("skipping on linux-386; C sigaction does not preserve Go restorer") |
| } |
| } |
| |
| t.Parallel() |
| output := runTestProg(t, "testprogcgo", "EINTR") |
| want := "OK\n" |
| if output != want { |
| t.Fatalf("want %s, got %s\n", want, output) |
| } |
| } |
| |
| // Issue #42207. |
| func TestNeedmDeadlock(t *testing.T) { |
| switch runtime.GOOS { |
| case "plan9", "windows": |
| t.Skipf("no signals on %s", runtime.GOOS) |
| } |
| output := runTestProg(t, "testprogcgo", "NeedmDeadlock") |
| want := "OK\n" |
| if output != want { |
| t.Fatalf("want %s, got %s\n", want, output) |
| } |
| } |
| |
| func TestCgoNoCallback(t *testing.T) { |
| got := runTestProg(t, "testprogcgo", "CgoNoCallback") |
| want := "function marked with #cgo nocallback called back into Go" |
| if !strings.Contains(got, want) { |
| t.Fatalf("did not see %q in output:\n%s", want, got) |
| } |
| } |
| |
| func TestCgoNoEscape(t *testing.T) { |
| got := runTestProg(t, "testprogcgo", "CgoNoEscape") |
| want := "OK\n" |
| if got != want { |
| t.Fatalf("want %s, got %s\n", want, got) |
| } |
| } |
| |
| // Issue #63739. |
| func TestCgoEscapeWithMultiplePointers(t *testing.T) { |
| got := runTestProg(t, "testprogcgo", "CgoEscapeWithMultiplePointers") |
| want := "OK\n" |
| if got != want { |
| t.Fatalf("output is %s; want %s", got, want) |
| } |
| } |
| |
| func TestCgoTracebackGoroutineProfile(t *testing.T) { |
| output := runTestProg(t, "testprogcgo", "GoroutineProfile") |
| want := "OK\n" |
| if output != want { |
| t.Fatalf("want %s, got %s\n", want, output) |
| } |
| } |
| |
| func TestCgoSigfwd(t *testing.T) { |
| t.Parallel() |
| if !goos.IsUnix { |
| t.Skipf("no signals on %s", runtime.GOOS) |
| } |
| |
| got := runTestProg(t, "testprogcgo", "CgoSigfwd", "GO_TEST_CGOSIGFWD=1") |
| if want := "OK\n"; got != want { |
| t.Fatalf("expected %q, but got:\n%s", want, got) |
| } |
| } |
| |
| func TestDestructorCallback(t *testing.T) { |
| t.Parallel() |
| got := runTestProg(t, "testprogcgo", "DestructorCallback") |
| if want := "OK\n"; got != want { |
| t.Errorf("expected %q, but got:\n%s", want, got) |
| } |
| } |
| |
| func TestDestructorCallbackRace(t *testing.T) { |
| // This test requires building with -race, |
| // so it's somewhat slow. |
| if testing.Short() { |
| t.Skip("skipping test in -short mode") |
| } |
| |
| if !platform.RaceDetectorSupported(runtime.GOOS, runtime.GOARCH) { |
| t.Skipf("skipping on %s/%s because race detector not supported", runtime.GOOS, runtime.GOARCH) |
| } |
| |
| t.Parallel() |
| |
| exe, err := buildTestProg(t, "testprogcgo", "-race") |
| if err != nil { |
| t.Fatal(err) |
| } |
| |
| got, err := testenv.CleanCmdEnv(exec.Command(exe, "DestructorCallback")).CombinedOutput() |
| if err != nil { |
| t.Fatal(err) |
| } |
| |
| if want := "OK\n"; string(got) != want { |
| t.Errorf("expected %q, but got:\n%s", want, got) |
| } |
| } |
| |
| func TestEnsureBindM(t *testing.T) { |
| t.Parallel() |
| switch runtime.GOOS { |
| case "windows", "plan9": |
| t.Skipf("skipping bindm test on %s", runtime.GOOS) |
| } |
| got := runTestProg(t, "testprogcgo", "EnsureBindM") |
| want := "OK\n" |
| if got != want { |
| t.Errorf("expected %q, got %v", want, got) |
| } |
| } |
| |
| func TestStackSwitchCallback(t *testing.T) { |
| t.Parallel() |
| switch runtime.GOOS { |
| case "windows", "plan9", "android", "ios", "openbsd": // no getcontext |
| t.Skipf("skipping test on %s", runtime.GOOS) |
| } |
| got := runTestProg(t, "testprogcgo", "StackSwitchCallback") |
| skip := "SKIP\n" |
| if got == skip { |
| t.Skip("skipping on musl/bionic libc") |
| } |
| want := "OK\n" |
| if got != want { |
| t.Errorf("expected %q, got %v", want, got) |
| } |
| } |
| |
| func TestCgoToGoCallGoexit(t *testing.T) { |
| if runtime.GOOS == "plan9" || runtime.GOOS == "windows" { |
| t.Skipf("no pthreads on %s", runtime.GOOS) |
| } |
| output := runTestProg(t, "testprogcgo", "CgoToGoCallGoexit") |
| if !strings.Contains(output, "runtime.Goexit called in a thread that was not created by the Go runtime") { |
| t.Fatalf("output should contain %s, got %s", "runtime.Goexit called in a thread that was not created by the Go runtime", output) |
| } |
| } |
