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-rw-r--r--sys/sys/signal.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/sys/signal.h b/sys/sys/signal.h
index ac5fc51..9542cb1 100644
--- a/sys/sys/signal.h
+++ b/sys/sys/signal.h
@@ -112,6 +112,10 @@
#define SIGUSR2 31 /* user defined signal 2 */
#endif
/*
+ * XXX Should this follow any _VISIBLE tag?
+ */
+#define SIGTHR 32 /* Thread interrupt. */
+/*
* XXX missing SIGRTMIN, SIGRTMAX.
*/
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