CRT: handle (ignore) signals USR1 and USR2

These should not kill the application.
htop-dev · Mar 27, 2024 · 1acdf87 · 1acdf87
1 parent 240dd4a
commit 1acdf87
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/CRT.c b/CRT.c
@@ -965,6 +965,8 @@ static void CRT_installSignalHandlers(void) {
    signal(SIGINT, CRT_handleSIGTERM);
    signal(SIGTERM, CRT_handleSIGTERM);
    signal(SIGQUIT, CRT_handleSIGTERM);
+   signal(SIGUSR1, SIG_IGN);
+   signal(SIGUSR2, SIG_IGN);
 }
 
 void CRT_resetSignalHandlers(void) {
@@ -979,6 +981,8 @@ void CRT_resetSignalHandlers(void) {
    signal(SIGINT, SIG_DFL);
    signal(SIGTERM, SIG_DFL);
    signal(SIGQUIT, SIG_DFL);
+   signal(SIGUSR1, SIG_DFL);
+   signal(SIGUSR2, SIG_DFL);
 }
 
 #ifdef HAVE_GETMOUSE