1 files changed, 16 insertions, 0 deletions

diff --git a/Documentation/perf_counter/builtin-stat.c b/Documentation/perf_counter/builtin-stat.c
index cf575c305a6c..03518d75d864 100644
--- a/Documentation/perf_counter/builtin-stat.c
+++ b/Documentation/perf_counter/builtin-stat.c
@@ -538,8 +538,14 @@ static void process_options(int argc, char **argv)
         }
 }
 
+static void skip_signal(int signo)
+{
+}
+
 int cmd_stat(int argc, char **argv, const char *prefix)
 {
+        sigset_t blocked;
+
         page_size = sysconf(_SC_PAGE_SIZE);
 
         process_options(argc, argv);
@@ -548,5 +554,15 @@ int cmd_stat(int argc, char **argv, const char *prefix)
         assert(nr_cpus <= MAX_NR_CPUS);
         assert(nr_cpus >= 0);
 
+        /*
+         * We dont want to block the signals - that would cause
+         * child tasks to inherit that and Ctrl-C would not work.
+         * What we want is for Ctrl-C to work in the exec()-ed
+         * task, but being ignored by perf stat itself:
+         */
+        signal(SIGINT,  skip_signal);
+        signal(SIGALRM, skip_signal);
+        signal(SIGABRT, skip_signal);
+
         return do_perfstat(argc, argv);
 }