nsjail: ignore SIGTTIN/SIGTTOU

diff --git a/nsjail.cc b/nsjail.cc
index 19632c5ce117eb038cbd58008c00473fd6e3e599..3b53077eb1b2e4fce5bdf776942a2827c66bd2b6 100644 (file)
--- a/nsjail.cc
+++ b/nsjail.cc
@@ -65,6 +65,10 @@ static bool nsjailSetSigHandler(int sig) {
        sa.sa_mask = smask;
        sa.sa_flags = 0;
        sa.sa_restorer = NULL;
+
+       if (sig == SIGTTIN || sig == SIGTTOU) {
+               sa.sa_handler = SIG_IGN;
+       };
        if (sigaction(sig, &sa, NULL) == -1) {
                PLOG_E("sigaction(%d)", sig);
                return false;

diff --git a/nsjail.h b/nsjail.h
index a7d180cc28824d70ffd2ddbcd69fc537e4d35bb7..cabad36ca32a128dd5535b7218aa7bd47d36639e 100644 (file)
--- a/nsjail.h
+++ b/nsjail.h
@@ -44,6 +44,8 @@ static const int nssigs[] = {
     SIGALRM,
     SIGCHLD,
     SIGTERM,
+    SIGTTIN,
+    SIGTTOU,
 };
 
 struct pids_t {