1 files changed, 19 insertions, 0 deletions
diff --git a/tools/perf/ui/setup.c b/tools/perf/ui/setup.c
index 25ded88801a3..ff800047e697 100644
--- a/tools/perf/ui/setup.c
+++ b/tools/perf/ui/setup.c
@@ -1,5 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
 #include <dlfcn.h>
+#include <signal.h>
 #include <unistd.h>
 
 #include <subcmd/pager.h>
@@ -120,3 +121,21 @@ void exit_browser(bool wait_for_ok)
 	}
 	mutex_destroy(&ui__lock);
 }
+
+void pthread__block_sigwinch(void)
+{
+	sigset_t set;
+
+	sigemptyset(&set);
+	sigaddset(&set, SIGWINCH);
+	pthread_sigmask(SIG_BLOCK, &set, NULL);
+}
+
+void pthread__unblock_sigwinch(void)
+{
+	sigset_t set;
+
+	sigemptyset(&set);
+	sigaddset(&set, SIGWINCH);
+	pthread_sigmask(SIG_UNBLOCK, &set, NULL);
+}