sched.h can exist without sched affinity support
diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
index ef8f82e..bb13f47 100644
--- a/Modules/posixmodule.c
+++ b/Modules/posixmodule.c
@@ -4753,6 +4753,8 @@
Py_RETURN_NONE;
}
+#ifdef HAVE_SCHED_SETAFFINITY
+
typedef struct {
PyObject_HEAD;
Py_ssize_t size;
@@ -5083,6 +5085,8 @@
return (PyObject *)res;
}
+#endif /* HAVE_SCHED_SETAFFINITY */
+
#endif /* HAVE_SCHED_H */
/* AIX uses /dev/ptc but is otherwise the same as /dev/ptmx */
@@ -10056,9 +10060,11 @@
{"sched_setparam", posix_sched_setparam, METH_VARARGS, posix_sched_setparam__doc__},
{"sched_setscheduler", posix_sched_setscheduler, METH_VARARGS, posix_sched_setscheduler__doc__},
{"sched_yield", posix_sched_yield, METH_NOARGS, posix_sched_yield__doc__},
+#ifdef HAVE_SCHED_SETAFFINITY
{"sched_setaffinity", posix_sched_setaffinity, METH_VARARGS, posix_sched_setaffinity__doc__},
{"sched_getaffinity", posix_sched_getaffinity, METH_VARARGS, posix_sched_getaffinity__doc__},
#endif
+#endif
#if defined(HAVE_OPENPTY) || defined(HAVE__GETPTY) || defined(HAVE_DEV_PTMX)
{"openpty", posix_openpty, METH_NOARGS, posix_openpty__doc__},
#endif /* HAVE_OPENPTY || HAVE__GETPTY || HAVE_DEV_PTMX */
@@ -10876,10 +10882,12 @@
Py_INCREF(PyExc_OSError);
PyModule_AddObject(m, "error", PyExc_OSError);
+#ifdef HAVE_SCHED_SETAFFINITY
if (PyType_Ready(&cpu_set_type) < 0)
return NULL;
Py_INCREF(&cpu_set_type);
PyModule_AddObject(m, "cpu_set", (PyObject *)&cpu_set_type);
+#endif
#ifdef HAVE_PUTENV
if (posix_putenv_garbage == NULL)