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-rw-r--r--apt-pkg/deb/dpkgpm.cc1
1 files changed, 1 insertions, 0 deletions
diff --git a/apt-pkg/deb/dpkgpm.cc b/apt-pkg/deb/dpkgpm.cc
index 9d144a227..8abe3f5c6 100644
--- a/apt-pkg/deb/dpkgpm.cc
+++ b/apt-pkg/deb/dpkgpm.cc
@@ -946,6 +946,7 @@ bool pkgDPkgPM::Go(int OutStatusFd)
rtt = tt;
cfmakeraw(&rtt);
rtt.c_lflag &= ~ECHO;
+ rtt.c_lflag |= ISIG;
// block SIGTTOU during tcsetattr to prevent a hang if
// the process is a member of the background process group
// http://www.opengroup.org/onlinepubs/000095399/functions/tcsetattr.html