runtime/cgo: store M for C-created thread in pthread key

[gostls13.git] / misc / cgo / testcarchive / carchive_test.go

diff --git a/misc/cgo/testcarchive/carchive_test.go b/misc/cgo/testcarchive/carchive_test.go
index 8a39c24a6dcc1134fea38447d92e95c35137cf24..599626801812c5497cf1e6be73aad10b96c6f054 100644 (file)
--- a/misc/cgo/testcarchive/carchive_test.go
+++ b/misc/cgo/testcarchive/carchive_test.go
@@ -1247,3 +1247,57 @@ func TestPreemption(t *testing.T) {
                t.Error(err)
        }
 }
+
+// Issue 59294. Test calling Go function from C after using some
+// stack space.
+func TestDeepStack(t *testing.T) {
+       t.Parallel()
+
+       if !testWork {
+               defer func() {
+                       os.Remove("testp9" + exeSuffix)
+                       os.Remove("libgo9.a")
+                       os.Remove("libgo9.h")
+               }()
+       }
+
+       cmd := exec.Command("go", "build", "-buildmode=c-archive", "-o", "libgo9.a", "./libgo9")
+       out, err := cmd.CombinedOutput()
+       t.Logf("%v\n%s", cmd.Args, out)
+       if err != nil {
+               t.Fatal(err)
+       }
+       checkLineComments(t, "libgo9.h")
+       checkArchive(t, "libgo9.a")
+
+       // build with -O0 so the C compiler won't optimize out the large stack frame
+       ccArgs := append(cc, "-O0", "-o", "testp9"+exeSuffix, "main9.c", "libgo9.a")
+       out, err = exec.Command(ccArgs[0], ccArgs[1:]...).CombinedOutput()
+       t.Logf("%v\n%s", ccArgs, out)
+       if err != nil {
+               t.Fatal(err)
+       }
+
+       argv := cmdToRun("./testp9")
+       cmd = exec.Command(argv[0], argv[1:]...)
+       sb := new(strings.Builder)
+       cmd.Stdout = sb
+       cmd.Stderr = sb
+       if err := cmd.Start(); err != nil {
+               t.Fatal(err)
+       }
+
+       timer := time.AfterFunc(time.Minute,
+               func() {
+                       t.Error("test program timed out")
+                       cmd.Process.Kill()
+               },
+       )
+       defer timer.Stop()
+
+       err = cmd.Wait()
+       t.Logf("%v\n%s", cmd.Args, sb)
+       if err != nil {
+               t.Error(err)
+       }
+}