From: Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com>
Date: Mon, 20 Jul 2026 09:36:17 +0000 (+0200)
Subject: [3.15] gh-154226: Fix test_posix_pty_functions on Solaris (GH-154230) (GH-154241)
X-Git-Url: http://git.ipfire.org/index.cgi?a=commitdiff_plain;h=b05ed78a8a97208c862b004ced8bfc824838e9d3;p=thirdparty%2FPython%2Fcpython.git

[3.15] gh-154226: Fix test_posix_pty_functions on Solaris (GH-154230) (GH-154241)

(cherry picked from commit 3d998611a48b45691894c687ac0ec52b54df52bf)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
Co-authored-by: Claude Fable 5 <noreply@anthropic.com>
---

diff --git a/Lib/test/test_os/test_os.py b/Lib/test/test_os/test_os.py
index 279c9ac804f6..f2b9cf75d3bf 100644
--- a/Lib/test/test_os/test_os.py
+++ b/Lib/test/test_os/test_os.py
@@ -4715,6 +4715,13 @@ class PseudoterminalTests(unittest.TestCase):
         son_path = os.ptsname(mother_fd)
         son_fd = os.open(son_path, os.O_RDWR|os.O_NOCTTY)
         self.addCleanup(os.close, son_fd)
+        if sys.platform.startswith('sunos'):
+            # The slave is not a terminal until these STREAMS modules
+            # are pushed onto it.
+            import fcntl
+            I_PUSH = 0x5302
+            fcntl.ioctl(son_fd, I_PUSH, b'ptem\0')
+            fcntl.ioctl(son_fd, I_PUSH, b'ldterm\0')
         self.assertEqual(os.ptsname(mother_fd), os.ttyname(son_fd))
 
     @warnings_helper.ignore_fork_in_thread_deprecation_warnings()