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-rw-r--r--kernel/tools/perf/util/sigchain.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/tools/perf/util/sigchain.h b/kernel/tools/perf/util/sigchain.h
new file mode 100644
index 000000000..959d64eb5
--- /dev/null
+++ b/kernel/tools/perf/util/sigchain.h
@@ -0,0 +1,10 @@
+#ifndef __PERF_SIGCHAIN_H
+#define __PERF_SIGCHAIN_H
+
+typedef void (*sigchain_fun)(int);
+
+int sigchain_pop(int sig);
+
+void sigchain_push_common(sigchain_fun f);
+
+#endif /* __PERF_SIGCHAIN_H */