netbsd / cwd: raise NSP on ENOENT (#2340)

HISTORY.rst

@@ -1,5 +1,11 @@
 *Bug tracker at https://github.com/giampaolo/psutil/issues*
 
+5.9.8 (IN DEVELOPMENT)
+======================
+
+- 2340_, [NetBSD]: if process is terminated, `Process.cwd()`_ will return an
+  empty string instead of raising `NoSuchProcess`_.
+
 5.9.7
 =====
 

psutil/__init__.py

@@ -211,7 +211,7 @@
 AF_LINK = _psplatform.AF_LINK
 
 __author__ = "Giampaolo Rodola'"
-__version__ = "5.9.7"
+__version__ = "5.9.8"
 version_info = tuple([int(num) for num in __version__.split('.')])
 
 _timer = getattr(time, 'monotonic', time.time)

psutil/arch/netbsd/proc.c

@@ -115,13 +115,10 @@ psutil_proc_cwd(PyObject *self, PyObject *args) {
     ssize_t len = readlink(buf, path, sizeof(path) - 1);
     free(buf);
     if (len == -1) {
-        if (errno == ENOENT) {
-            psutil_debug("sysctl(KERN_PROC_CWD) -> ENOENT converted to ''");
-            return Py_BuildValue("s", "");
-        }
-        else {
+        if (errno == ENOENT)
+            NoSuchProcess("sysctl -> ENOENT");
+        else
             PyErr_SetFromErrno(PyExc_OSError);
-        }
         return NULL;
     }
     path[len] = '\0';