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-rw-r--r--src/plugin_tc.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/plugin_tc.h b/src/plugin_tc.h
index c3abbddd0..9a0a19cce 100644
--- a/src/plugin_tc.h
+++ b/src/plugin_tc.h
@@ -1,7 +1,7 @@
#ifndef NETDATA_PLUGIN_TC_H
#define NETDATA_PLUGIN_TC_H 1
-extern pid_t tc_child_pid;
+extern volatile pid_t tc_child_pid;
extern void *tc_main(void *ptr);
#endif /* NETDATA_PLUGIN_TC_H */