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-rw-r--r--sigchain.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/sigchain.h b/sigchain.h
new file mode 100644
index 0000000000..618083bce0
--- /dev/null
+++ b/sigchain.h
@@ -0,0 +1,11 @@
+#ifndef SIGCHAIN_H
+#define SIGCHAIN_H
+
+typedef void (*sigchain_fun)(int);
+
+int sigchain_push(int sig, sigchain_fun f);
+int sigchain_pop(int sig);
+
+void sigchain_push_common(sigchain_fun f);
+
+#endif /* SIGCHAIN_H */