Falls back to cpu_count() if no sched_getaffinity()

MagicStack · Aug 15, 2024 · a1c909a · a1c909a
1 parent d68b083
commit a1c909a
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/setup.py b/setup.py
@@ -176,7 +176,11 @@ def build_libuv(self):
             cmd,
             cwd=LIBUV_BUILD_DIR, env=env, check=True)
 
-        j_flag = '-j{}'.format(len(os.sched_getaffinity(0)) or 1)
+        try:
+            njobs = len(os.sched_getaffinity(0))
+        except AttributeError:
+            njobs = os.cpu_count()
+        j_flag = '-j{}'.format(njobs or 1)
         c_flag = "CFLAGS={}".format(env['CFLAGS'])
         subprocess.run(
             ['make', j_flag, c_flag],