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-rw-r--r--ext/Thread/Thread.xs1
1 files changed, 1 insertions, 0 deletions
diff --git a/ext/Thread/Thread.xs b/ext/Thread/Thread.xs
index b209d3b292..4816efcfe4 100644
--- a/ext/Thread/Thread.xs
+++ b/ext/Thread/Thread.xs
@@ -342,6 +342,7 @@ static Signal_t
handle_thread_signal(int sig)
{
unsigned char c = (unsigned char) sig;
+ dTHX;
/*
* We're not really allowed to call fprintf in a signal handler
* so don't be surprised if this isn't robust while debugging