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-rw-r--r--tools/perf/util/pstack.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/tools/perf/util/pstack.h b/tools/perf/util/pstack.h
new file mode 100644
index 000000000..8729b8be0
--- /dev/null
+++ b/tools/perf/util/pstack.h
@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _PERF_PSTACK_
+#define _PERF_PSTACK_
+
+#include <stdbool.h>
+
+struct pstack;
+struct pstack *pstack__new(unsigned short max_nr_entries);
+void pstack__delete(struct pstack *pstack);
+bool pstack__empty(const struct pstack *pstack);
+void pstack__remove(struct pstack *pstack, void *key);
+void pstack__push(struct pstack *pstack, void *key);
+void *pstack__pop(struct pstack *pstack);
+void *pstack__peek(struct pstack *pstack);
+
+#endif /* _PERF_PSTACK_ */