添加debug，每个线程都维护一个jump帧

.vscode/c_cpp_properties.json

@@ -8,7 +8,8 @@
             "defines": [
                 "_DEBUG",
                 "UNICODE",
-                "_UNICODE"
+                "_UNICODE",
+                "LINUX"
             ],
             "windowsSdkVersion": "10.0.22621.0",
             "compilerPath": "C:/cygwin64/bin/gcc.exe",

.vscode/settings.json

@@ -5,6 +5,8 @@
     "test1.h": "c",
     "stdint.h": "c",
     "exception.h": "c",
-    "mythread.h": "c"
+    "mythread.h": "c",
+    "ipc.h": "c",
+    "errno.h": "c"
   }
 }