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https://github.com/go-delve/delve.git
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6f34add5db
Introduces a new TargetGroup abstraction that can be used to manage multiple related targets. No actual management of child processes is implemented here, this is just a refactoring to make it possible to do that in the future. Updates #2551
104 lines
2.5 KiB
Go
104 lines
2.5 KiB
Go
//go:build linux || darwin
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// +build linux darwin
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package proc_test
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import (
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"fmt"
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"os"
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"os/exec"
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"runtime"
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"syscall"
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"testing"
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"time"
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"golang.org/x/sys/unix"
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"github.com/go-delve/delve/pkg/proc"
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"github.com/go-delve/delve/pkg/proc/native"
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protest "github.com/go-delve/delve/pkg/proc/test"
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)
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type errIssue419 struct {
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pid int
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err error
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}
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func (npe errIssue419) Error() string {
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return fmt.Sprintf("Pid is zero or negative: %d", npe.pid)
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}
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func TestIssue419(t *testing.T) {
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if testBackend == "rr" {
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return
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}
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errChan := make(chan error, 2)
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// SIGINT directed at the inferior should be passed along not swallowed by delve
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withTestProcess("issue419", t, func(p *proc.Target, fixture protest.Fixture) {
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grp := proc.NewGroup(p)
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setFunctionBreakpoint(p, t, "main.main")
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assertNoError(grp.Continue(), t, "Continue()")
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resumeChan := make(chan struct{}, 1)
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go func() {
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time.Sleep(500 * time.Millisecond)
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<-resumeChan
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if p.Pid() <= 0 {
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// if we don't stop the inferior the test will never finish
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grp.RequestManualStop()
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err := grp.Detach(true)
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errChan <- errIssue419{pid: p.Pid(), err: err}
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return
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}
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err := syscall.Kill(p.Pid(), syscall.SIGINT)
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errChan <- errIssue419{pid: p.Pid(), err: err}
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}()
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grp.ResumeNotify(resumeChan)
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errChan <- grp.Continue()
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})
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for i := 0; i < 2; i++ {
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err := <-errChan
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t.Logf("error %T %#v\n", err, err)
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if v, ok := err.(errIssue419); ok {
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assertNoError(v.err, t, "syscall.Kill")
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continue
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}
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if _, exited := err.(proc.ErrProcessExited); !exited {
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t.Fatalf("Unexpected error after Continue(): %v\n", err)
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}
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}
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}
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func TestSignalDeath(t *testing.T) {
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if testBackend != "native" || runtime.GOOS != "linux" {
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t.Skip("skipped on non-linux non-native backends")
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}
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var buildFlags protest.BuildFlags
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if buildMode == "pie" {
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buildFlags |= protest.BuildModePIE
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}
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fixture := protest.BuildFixture("loopprog", buildFlags)
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cmd := exec.Command(fixture.Path)
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stdout, err := cmd.StdoutPipe()
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assertNoError(err, t, "StdoutPipe")
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cmd.Stderr = os.Stderr
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assertNoError(cmd.Start(), t, "starting fixture")
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p, err := native.Attach(cmd.Process.Pid, []string{})
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assertNoError(err, t, "Attach")
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stdout.Close() // target will receive SIGPIPE later on
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err = p.Continue()
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t.Logf("error is %v", err)
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exitErr, isexited := err.(proc.ErrProcessExited)
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if !isexited {
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t.Fatal("did not exit")
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}
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if exitErr.Status != -int(unix.SIGPIPE) {
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t.Fatalf("expected SIGPIPE got %d\n", exitErr.Status)
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}
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}
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