add macro to assert signal-safety of library functions

1 files changed, 3 insertions, 0 deletions

diff --git a/src/signal/__signal.c b/src/signal/__signal.c
new file mode 100644
index 00000000..1c212bd1
--- /dev/null
+++ b/src/signal/__signal.c
@@ -0,0 +1,3 @@
+#include "_signal.h"
+
+struct __signal __signal = {0};