Lines Matching refs:dup2
1951 # some libc implementations have dup2 return an error in this
1954 os.dup2(new_fd, fd)
2187 @unittest.skipUnless(hasattr(os, 'dup2'), 'test needs os.dup2()')
2189 self.check(os.dup2, 20)
2191 @unittest.skipUnless(hasattr(os, 'dup2'), 'test needs os.dup2()')
2194 "dup2() with negative fds is broken on Emscripten (see gh-102179)"
2208 os.dup2(fd, fd2)
4014 @unittest.skipUnless(hasattr(os, 'dup2'), "need os.dup2()")
4022 self.assertEqual(os.dup2(fd, fd2), fd2)
4028 self.assertEqual(os.dup2(fd, fd3, inheritable=False), fd3)