summaryrefslogtreecommitdiffstats
path: root/src/runtime/crash_cgo_test.go
diff options
context:
space:
mode:
Diffstat (limited to 'src/runtime/crash_cgo_test.go')
-rw-r--r--src/runtime/crash_cgo_test.go770
1 files changed, 770 insertions, 0 deletions
diff --git a/src/runtime/crash_cgo_test.go b/src/runtime/crash_cgo_test.go
new file mode 100644
index 0000000..51d7bb5
--- /dev/null
+++ b/src/runtime/crash_cgo_test.go
@@ -0,0 +1,770 @@
+// 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/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")
+ }
+ }
+ if testenv.Builder() == "darwin-amd64-10_14" {
+ // TODO(#23011): When the 10.14 builders are gone, remove this skip.
+ t.Skip("skipping due to platform bug on macOS 10.14; see https://golang.org/issue/43926")
+ }
+ 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 {
+ 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 (runtime.GOOS != "linux" && runtime.GOOS != "freebsd") || runtime.GOARCH != "amd64" {
+ t.Skipf("not yet supported on %s/%s", runtime.GOOS, runtime.GOARCH)
+ }
+
+ 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) {
+ t.Parallel()
+ if (runtime.GOOS != "linux" && runtime.GOOS != "freebsd") || runtime.GOARCH != "amd64" {
+ t.Skipf("not yet supported on %s/%s", runtime.GOOS, runtime.GOARCH)
+ }
+
+ 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, "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")
+ }
+ t.Parallel()
+ got := runTestProg(t, "testprogcgo", "TracebackSigpanic")
+ t.Log(got)
+ want := "runtime.sigpanic"
+ 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("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) {
+ t.Parallel()
+ got := runTestProg(t, "testprogcgo", 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", "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 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 TestCgoTraceParser(t *testing.T) {
+ // Test issue 29707.
+ switch runtime.GOOS {
+ case "plan9", "windows":
+ t.Skipf("no pthreads on %s", runtime.GOOS)
+ }
+ output := runTestProg(t, "testprogcgo", "CgoTraceParser")
+ want := "OK\n"
+ ErrTimeOrder := "ErrTimeOrder\n"
+ if output == ErrTimeOrder {
+ t.Skipf("skipping due to golang.org/issue/16755: %v", output)
+ } else if output != want {
+ t.Fatalf("want %s, got %s\n", want, output)
+ }
+}
+
+func TestCgoTraceParserWithOneProc(t *testing.T) {
+ // Test issue 29707.
+ switch runtime.GOOS {
+ case "plan9", "windows":
+ t.Skipf("no pthreads on %s", runtime.GOOS)
+ }
+ output := runTestProg(t, "testprogcgo", "CgoTraceParser", "GOMAXPROCS=1")
+ want := "OK\n"
+ ErrTimeOrder := "ErrTimeOrder\n"
+ if output == ErrTimeOrder {
+ t.Skipf("skipping due to golang.org/issue/16755: %v", output)
+ } else if output != want {
+ t.Fatalf("GOMAXPROCS=1, 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)
+ }
+}