From f41599c8e9435f3dfec60b872c2b4ae31177efdd Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Sat, 10 Oct 2020 17:22:46 +0300
Subject: Add support for test timeouts

---
 libbuild2/rule.hxx | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'libbuild2/rule.hxx')

diff --git a/libbuild2/rule.hxx b/libbuild2/rule.hxx
index fa61bc5..8796659 100644
--- a/libbuild2/rule.hxx
+++ b/libbuild2/rule.hxx
@@ -205,6 +205,22 @@ namespace build2
     static target_state
     clean_recipes_build (action, const scope&, const dir&);
   };
+
+  // A mix-in interface for ad hoc rules that support recipes with deadlines.
+  //
+  class adhoc_rule_with_deadline
+  {
+  public:
+    virtual
+    ~adhoc_rule_with_deadline ();
+
+    // Return empty recipe if one with the deadline cannot be provided for
+    // this action. In this case the caller may fallback to the normal
+    // apply().
+    //
+    virtual recipe
+    apply (action, target&, match_extra&, const optional<timestamp>&) const = 0;
+  };
 }
 
 #endif // LIBBUILD2_RULE_HXX
-- 
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