Use realtime_verify for is_sim / is_rt

Everything else is anoying / unrelaiable

Author: hdiethelm

lib/python/hal.py

@@ -29,51 +29,6 @@
 
 import _hal
 from _hal import *
-import warnings
-import os
-
-def __getattr__(name):
-    if name == 'is_rt':
-        warnings.simplefilter('always', DeprecationWarning)
-        warnings.warn(f"{name} is deprecated, use get_realtime_type() instead", DeprecationWarning)
-        warnings.simplefilter('default', DeprecationWarning)
-
-        #We the hal to be initialized to use get_realtime_type()
-        #If it is not initialized, create a component which will inizialize it
-        #It will be cleaned up imediately
-        comp_name=f"halpy{os.getpid()}"
-        if not is_initialized():
-            c=component(comp_name);
-
-        t = get_realtime_type()
-        if t == REALTIME_TYPE_UNINITIALIZED:
-            warnings.warn("Unable to check realtime status, not initialized", Warning)
-            return False
-        elif t == REALTIME_TYPE_NONE:
-            return False
-        else:
-            return True
-    if name == 'is_sim':
-        warnings.simplefilter('always', DeprecationWarning)
-        warnings.warn(f"{name} is deprecated, use get_realtime_type() instead", DeprecationWarning)
-        warnings.simplefilter('default', DeprecationWarning)
-
-        #We the hal to be initialized to use get_realtime_type()
-        #If it is not initialized, create a component which will inizialize it
-        #It will be cleaned up imediately
-        comp_name=f"halpy{os.getpid()}"
-        if not is_initialized():
-            c=component(comp_name);
-
-        t = get_realtime_type()
-        if t == REALTIME_TYPE_UNINITIALIZED:
-            warnings.warn("Unable to check realtime status, not initialized", Warning)
-            return True
-        elif t == REALTIME_TYPE_NONE:
-            return True
-        else:
-            return False
-    raise AttributeError(f"module {__name__!r} has no attribute {name!r}")
 
 class _ItemWrap(object):
     def __new__(cls, item):

scripts/realtime.in

@@ -234,10 +234,10 @@ Verify(){
 
     if [ $HAS_REALTIME = true ]; then
         echo "Realtime detected"
-        exit 0
+        return 0
     else
         echo "No realtime detected"
-        exit 1
+        return 1
     fi
 }
 

src/hal/halmodule.cc

@@ -2401,6 +2401,16 @@ PyMODINIT_FUNC PyInit__hal(void)
     PyModule_AddIntConstant(m, "REALTIME_TYPE_XENOMAI", REALTIME_TYPE_XENOMAI);
     PyModule_AddIntConstant(m, "REALTIME_TYPE_XENOMAI_EVL", REALTIME_TYPE_XENOMAI_EVL);
 
+    //Call realtime verify to gather realtime status
+    //Most probably we don't have realtime running yet
+    int ret = system("realtime verify > /dev/null");
+    int exit_stat = WEXITSTATUS(ret);
+    if(exit_stat != 0 && exit_stat != 1){
+        PyErr_Format(PyExc_RuntimeError, "realtime verify failed, system() return value %i / exit %i", ret, exit_stat);
+    }
+    PyModule_AddIntConstant(m, "is_rt", exit_stat == 0);
+    PyModule_AddIntConstant(m, "is_sim", exit_stat != 0);
+
     PyModule_AddIntConstant(m, "is_kernelspace", rtapi_is_kernelspace());
     PyModule_AddIntConstant(m, "is_userspace", !rtapi_is_kernelspace());