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-rw-r--r--crypto/engine/engine.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/crypto/engine/engine.h b/crypto/engine/engine.h
index 2d93ad0d60..d57cdab59a 100644
--- a/crypto/engine/engine.h
+++ b/crypto/engine/engine.h
@@ -89,6 +89,9 @@ extern "C" {
* the error ENGINE_R_CTRL_COMMAND_NOT_IMPLEMENTED. */
#define ENGINE_CTRL_SET_LOGSTREAM 1
#define ENGINE_CTRL_SET_PASSWORD_CALLBACK 2
+#define ENGINE_CTRL_HUP 3 /* Close and reinitialise any
+ handles/connections etc. */
+
/* Flags specific to the nCipher "chil" engine */
#define ENGINE_CTRL_CHIL_SET_FORKCHECK 100
/* Depending on the value of the (long)i argument, this sets or