From 8d5c996aef28fae9f848e1fab419b4d2821e8862 Mon Sep 17 00:00:00 2001
From: Nathanael Sensfelder <SpamShield0@MultiAgentSystems.org>
Date: Thu, 29 Jun 2017 15:20:24 +0200
Subject: First shot at finer mutexes.

---
 src/knowledge/knowledge_swt_tws_modifications.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'src/knowledge/knowledge_swt_tws_modifications.c')

diff --git a/src/knowledge/knowledge_swt_tws_modifications.c b/src/knowledge/knowledge_swt_tws_modifications.c
index 2acd093..cc8a938 100644
--- a/src/knowledge/knowledge_swt_tws_modifications.c
+++ b/src/knowledge/knowledge_swt_tws_modifications.c
@@ -163,6 +163,8 @@ int JH_knowledge_strengthen_swt
 {
    JH_index s_index, t_index;
 
+   JH_knowledge_writelock_word(k, word_id, io);
+
    if
    (
       JH_knowledge_find_markov_sequence
@@ -184,6 +186,8 @@ int JH_knowledge_strengthen_swt
          ) < 0
       )
       {
+         JH_knowledge_writeunlock_word(k, word_id, io);
+
          return -1;
       }
    }
@@ -210,6 +214,8 @@ int JH_knowledge_strengthen_swt
          ) < 0
       )
       {
+         JH_knowledge_writeunlock_word(k, word_id, io);
+
          return -1;
       }
    }
@@ -233,12 +239,16 @@ int JH_knowledge_strengthen_swt
          "[W] Unable to strengthen SWT link: link is already at max strength."
       );
 
+      JH_knowledge_writeunlock_word(k, word_id, io);
+
       return 1;
    }
 
    k->words[word_id].swt.sequences_ref[s_index].occurrences += 1;
    k->words[word_id].swt.sequences_ref[s_index].targets[t_index].occurrences += 1;
 
+   JH_knowledge_writeunlock_word(k, word_id, io);
+
    return 0;
 }
 
@@ -253,6 +263,8 @@ int JH_knowledge_strengthen_tws
 {
    JH_index s_index, t_index;
 
+   JH_knowledge_writelock_word(k, word_id, io);
+
    if
    (
       JH_knowledge_find_markov_sequence
@@ -274,6 +286,8 @@ int JH_knowledge_strengthen_tws
          ) < 0
       )
       {
+         JH_knowledge_writeunlock_word(k, word_id, io);
+
          return -1;
       }
    }
@@ -300,6 +314,8 @@ int JH_knowledge_strengthen_tws
          ) < 0
       )
       {
+         JH_knowledge_writeunlock_word(k, word_id, io);
+
          return -1;
       }
    }
@@ -323,11 +339,15 @@ int JH_knowledge_strengthen_tws
          "[E] Unable to strengthen TWS link: link is already at max strength."
       );
 
+      JH_knowledge_writeunlock_word(k, word_id, io);
+
       return -1;
    }
 
    k->words[word_id].tws.sequences_ref[s_index].occurrences += 1;
    k->words[word_id].tws.sequences_ref[s_index].targets[t_index].occurrences += 1;
 
+   JH_knowledge_writeunlock_word(k, word_id, io);
+
    return 0;
 }
-- 
cgit v1.2.3-70-g09d2