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-rw-r--r--security/smack/smack.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/security/smack/smack.h b/security/smack/smack.h
index 26e58f1804b1..51fd30192c08 100644
--- a/security/smack/smack.h
+++ b/security/smack/smack.h
@@ -256,6 +256,16 @@ enum {
#define MAY_LOCK 0x00002000 /* Locks should be writes, but ... */
#define MAY_BRINGUP 0x00004000 /* Report use of this rule */
+/*
+ * The policy for delivering signals is configurable.
+ * It is usually "write", but can be "append".
+ */
+#ifdef CONFIG_SECURITY_SMACK_APPEND_SIGNALS
+#define MAY_DELIVER MAY_APPEND /* Signal delivery requires append */
+#else
+#define MAY_DELIVER MAY_WRITE /* Signal delivery requires write */
+#endif
+
#define SMACK_BRINGUP_ALLOW 1 /* Allow bringup mode */
#define SMACK_UNCONFINED_SUBJECT 2 /* Allow unconfined label */
#define SMACK_UNCONFINED_OBJECT 3 /* Allow unconfined label */