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--- src/exec_nopty.c.orig 2017-08-09 17:20:41 UTC
+++ src/exec_nopty.c
@@ -201,7 +201,7 @@ exec_nopty(struct command_details *details, struct com
sudo_warn(U_("unable to set handler for signal %d"), SIGCHLD);
if (sudo_sigaction(SIGCONT, &sa, NULL) != 0)
sudo_warn(U_("unable to set handler for signal %d"), SIGCONT);
-#ifdef SIGINFO
+#if defined(SIGINFO) && !defined(__FreeBSD__)
if (sudo_sigaction(SIGINFO, &sa, NULL) != 0)
sudo_warn(U_("unable to set handler for signal %d"), SIGINFO);
#endif
@@ -222,6 +222,14 @@ exec_nopty(struct command_details *details, struct com
sudo_warn(U_("unable to set handler for signal %d"), SIGQUIT);
if (sudo_sigaction(SIGTSTP, &sa, NULL) != 0)
sudo_warn(U_("unable to set handler for signal %d"), SIGTSTP);
+#if defined(SIGINFO) && defined(__FreeBSD__)
+ /*
+ * FreeBSD's ^T will generate a SIGINFO to the controlling terminal's
+ * process group.
+ */
+ if (sudo_sigaction(SIGINFO, &sa, NULL) != 0)
+ sudo_warn(U_("unable to set handler for signal %d"), SIGINFO);
+#endif
/*
* The policy plugin's session init must be run before we fork
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