[s4u] Make wait_for return a std::cv

[simgrid.git] / src / s4u / s4u_conditionVariable.cpp

diff --git a/src/s4u/s4u_conditionVariable.cpp b/src/s4u/s4u_conditionVariable.cpp
index 32c8aab..bb367af 100644 (file)
--- a/src/s4u/s4u_conditionVariable.cpp
+++ b/src/s4u/s4u_conditionVariable.cpp
@@ -1,5 +1,8 @@
+#include <exception>
 #include <mutex>
 
+#include <xbt/log.hpp>
+
 #include "simgrid/s4u/conditionVariable.hpp"
 #include "simgrid/simix.h"
 
@@ -20,8 +23,27 @@ void s4u::ConditionVariable::wait(std::unique_lock<Mutex>& lock) {
   simcall_cond_wait(cond_, lock.mutex()->mutex_);
 }
   
-void s4u::ConditionVariable::wait_for(std::unique_lock<Mutex>& lock, double timeout) {
-  simcall_cond_wait_timeout(cond_, lock.mutex()->mutex_, timeout);
+std::cv_status s4u::ConditionVariable::wait_for(std::unique_lock<Mutex>& lock, double timeout) {
+  try {
+    simcall_cond_wait_timeout(cond_, lock.mutex()->mutex_, timeout);
+    return std::cv_status::timeout;
+  }
+  catch (xbt_ex& e) {
+    if (e.category == timeout_error) {
+      // We have to take the lock:
+      try {
+        lock.mutex()->lock();
+      }
+      catch (...) {
+        std::terminate();
+      }
+      return std::cv_status::timeout;
+    }
+    std::terminate();
+  }
+  catch (...) {
+    std::terminate();
+  }
 }
   
 /**