Test for python openpty breakage after freebsd7 to freebsd8 upgrade, which

results in a 'Function not implemented' error and the process being killed.
Thanks to Javier Villavicenciom <the_paya@g.o> for reporting and helping to
develop this test. (trunk r15512)

svn path=/main/branches/2.1.7/; revision=15710

diff --git a/pym/portage/package/ebuild/_pty.py b/pym/portage/package/ebuild/_pty.py
index 7cc1e4422f59e326bb6ce2e36d43da3779cccafb..f67ca09c40612c4bf01f6611bb3cf5ea6489a846 100644 (file)
--- a/pym/portage/package/ebuild/_pty.py
+++ b/pym/portage/package/ebuild/_pty.py
@@ -132,6 +132,8 @@ if not _can_test_pty_eof():
        # Skip _test_pty_eof() on systems where it hangs.
        _tested_pty = True
 
+_fbsd_test_pty = platform.system() == 'FreeBSD'
+
 def _create_pty_or_pipe(copy_term_size=None):
        """
        Try to create a pty and if then fails then create a normal
@@ -148,7 +150,7 @@ def _create_pty_or_pipe(copy_term_size=None):
 
        got_pty = False
 
-       global _disable_openpty, _tested_pty
+       global _disable_openpty, _fbsd_test_pty, _tested_pty
        if not (_tested_pty or _disable_openpty):
                try:
                        if not _test_pty_eof():
@@ -160,6 +162,19 @@ def _create_pty_or_pipe(copy_term_size=None):
                        del e
                _tested_pty = True
 
+       if _fbsd_test_pty and not _disable_openpty:
+               # Test for python openpty breakage after freebsd7 to freebsd8
+               # upgrade, which results in a 'Function not implemented' error
+               # and the process being killed.
+               pid = os.fork()
+               if pid == 0:
+                       pty.openpty()
+                       os._exit(os.EX_OK)
+               pid, status = os.waitpid(pid, 0)
+               if (status & 0xff) == 140:
+                       _disable_openpty = True
+               _fbsd_test_pty = False
+
        if _disable_openpty:
                master_fd, slave_fd = os.pipe()
        else: