_exec: use default SIGINT/TERM handlers

Avoid issues like bug #353239.

diff --git a/pym/portage/process.py b/pym/portage/process.py
index 00fe4a5eb2ee6c0cc5c4fbb26a179faa0f3688e3..3c1537074f7440153632ecc8cc46c66a94a9cc69 100644 (file)
--- a/pym/portage/process.py
+++ b/pym/portage/process.py
@@ -349,6 +349,11 @@ def _exec(binary, mycommand, opt_name, fd_pipes, env, gid, groups, uid, umask,
        myargs = [opt_name]
        myargs.extend(mycommand[1:])
 
+       # Use default signal handlers in order to avoid problems
+       # killing subprocesses as reported in bug #353239.
+       signal.signal(signal.SIGINT, signal.SIG_DFL)
+       signal.signal(signal.SIGTERM, signal.SIG_DFL)
+
        # Quiet killing of subprocesses by SIGPIPE (see bug #309001).
        signal.signal(signal.SIGPIPE, signal.SIG_DFL)