_exec: disable SIGQUIT handler override by parent

This will fix bug #289486.

diff --git a/pym/portage/process.py b/pym/portage/process.py
index 3809ed8a05fc6e2788ea65a0c29da81e004cc623..00fe4a5eb2ee6c0cc5c4fbb26a179faa0f3688e3 100644 (file)
--- a/pym/portage/process.py
+++ b/pym/portage/process.py
@@ -352,6 +352,10 @@ def _exec(binary, mycommand, opt_name, fd_pipes, env, gid, groups, uid, umask,
        # Quiet killing of subprocesses by SIGPIPE (see bug #309001).
        signal.signal(signal.SIGPIPE, signal.SIG_DFL)
 
+       # Avoid issues triggered by inheritance of SIGQUIT handler from
+       # the parent process (see bug #289486).
+       signal.signal(signal.SIGQUIT, signal.SIG_DFL)
+
        _setup_pipes(fd_pipes)
 
        # Set requested process permissions.