Add sys_clone, add hello world example

Author: r41k0u

examples/hello_world.py

@@ -0,0 +1,11 @@
+from pythonbpf.decorators import tracepoint, syscalls
+from ctypes import c_void_p, c_int32
+
+
+@tracepoint(syscalls.sys_clone)
+def trace_clone(ctx: c_void_p) -> c_int32:
+    print("Hello, World!")
+    return c_int32(0)
+
+
+LICENSE = "GPL"

pythonbpf/decorators.py

@@ -3,6 +3,7 @@
 syscalls = SimpleNamespace(
     sys_enter_execve="syscalls:sys_enter_execve",
     sys_exit_execve="syscalls:sys_exit_execve",
+    sys_clone="syscalls:sys_clone",
 )