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From bcfc4c8d7dc70bd81367c183a68cc9ee02ab4744 Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Fri, 28 May 2021 17:52:57 -0700
Subject: [PATCH] track: Check for unw_set_caching_policy before using
llvm libunwind does not implement unw_cache_* functions yet
Include inttypes.h got PRI* macros
Upstream-Status: Submitted [https://github.com/KDE/heaptrack/pull/33]
Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
src/track/trace_libunwind.cpp | 3 +++
1 file changed, 3 insertions(+)
diff --git a/src/track/trace_libunwind.cpp b/src/track/trace_libunwind.cpp
index c76337c..96b2176 100644
--- a/src/track/trace_libunwind.cpp
+++ b/src/track/trace_libunwind.cpp
@@ -26,6 +26,7 @@
#define UNW_LOCAL_ONLY
#include <libunwind.h>
+#include <inttypes.h>
#include <stdio.h>
@@ -60,9 +61,11 @@ void Trace::print()
void Trace::setup()
{
// configure libunwind for better speed
+#if UNW_CACHE_PER_THREAD
if (unw_set_caching_policy(unw_local_addr_space, UNW_CACHE_PER_THREAD)) {
fprintf(stderr, "WARNING: Failed to enable per-thread libunwind caching.\n");
}
+#endif
#if LIBUNWIND_HAS_UNW_SET_CACHE_SIZE
if (unw_set_cache_size(unw_local_addr_space, 1024, 0)) {
fprintf(stderr, "WARNING: Failed to set libunwind cache size.\n");
--
2.31.1
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