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-rw-r--r--trace/simple.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/trace/simple.c b/trace/simple.c
index 33ae48696..b4a3c6e95 100644
--- a/trace/simple.c
+++ b/trace/simple.c
@@ -161,8 +161,11 @@ static void trace(TraceEventID event, uint64_t x1, uint64_t x2, uint64_t x3,
}
timestamp = get_clock();
-
+#if GLIB_CHECK_VERSION(2, 30, 0)
+ idx = g_atomic_int_add((gint *)&trace_idx, 1) % TRACE_BUF_LEN;
+#else
idx = g_atomic_int_exchange_and_add((gint *)&trace_idx, 1) % TRACE_BUF_LEN;
+#endif
trace_buf[idx] = (TraceRecord){
.event = event,
.timestamp_ns = timestamp,