From 5cf791b0357f7def78dd8190b3544ac4d44d28f9 Mon Sep 17 00:00:00 2001
From: Martin Panter <vadmium+py@gmail.com>
Date: Fri, 11 Dec 2015 05:40:14 +0000
Subject: Issue #25764: Skip fork failure test when run as root

---
 Lib/test/test_subprocess.py | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/Lib/test/test_subprocess.py b/Lib/test/test_subprocess.py
index b32ef97..6628512 100644
--- a/Lib/test/test_subprocess.py
+++ b/Lib/test/test_subprocess.py
@@ -1525,10 +1525,14 @@ class POSIXProcessTestCase(BaseTestCase):
         [_, hard] = limits
         setrlimit(RLIMIT_NPROC, (0, hard))
         self.addCleanup(setrlimit, RLIMIT_NPROC, limits)
-        # Forking should raise EAGAIN, translated to BlockingIOError
-        with self.assertRaises(BlockingIOError):
+        try:
             subprocess.call([sys.executable, '-c', ''],
                             preexec_fn=lambda: None)
+        except BlockingIOError:
+            # Forking should raise EAGAIN, translated to BlockingIOError
+            pass
+        else:
+            self.skipTest('RLIMIT_NPROC had no effect; probably superuser')
 
     def test_args_string(self):
         # args is a string
-- 
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