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Remove "using namespace"
[simgrid.git] / src / s4u / s4u_conditionVariable.cpp
index 60e3365..52b5b90 100644 (file)
@@ -1,36 +1,76 @@
+#include <exception>
+#include <mutex>
+
+#include <xbt/log.hpp>
+
 #include "simgrid/s4u/conditionVariable.hpp"
 #include "simgrid/simix.h"
 
-using namespace simgrid;
+namespace simgrid {
+namespace s4u {
 
-s4u::ConditionVariable::ConditionVariable()  : cond_(simcall_cond_init()){
+ConditionVariable::ConditionVariable()  : cond_(simcall_cond_init()){
     
 }
 
-s4u::ConditionVariable::~ConditionVariable() {
+ConditionVariable::~ConditionVariable() {
   SIMIX_cond_unref(cond_);
 }
 
 /**
  * Wait functions
  */
-void s4u::ConditionVariable::wait(s4u::Mutex *mutex) {
-  simcall_cond_wait(cond_, mutex->mutex_);
+void ConditionVariable::wait(std::unique_lock<Mutex>& lock) {
+  simcall_cond_wait(cond_, lock.mutex()->mutex_);
 }
-  
-void s4u::ConditionVariable::wait_for(s4u::Mutex *mutex, double timeout) {
-  simcall_cond_wait_timeout(cond_, 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::no_timeout;
+  }
+  catch (xbt_ex& e) {
+
+    // If the exception was a timeout, we have to take the lock again:
+    if (e.category == timeout_error) {
+      try {
+        lock.mutex()->lock();
+        return std::cv_status::timeout;
+      }
+      catch (...) {
+        std::terminate();
+      }
+    }
+
+    // Another exception: should we reaquire the lock?
+    std::terminate();
+  }
+  catch (...) {
+    std::terminate();
+  }
+}
+
+std::cv_status ConditionVariable::wait_until(std::unique_lock<Mutex>& lock, double timeout_time)
+{
+  double now = SIMIX_get_clock();
+  double timeout;
+  if (timeout_time < now)
+    timeout = 0.0;
+  else
+    timeout = timeout_time - now;
+  return this->wait_for(lock, timeout);
 }
   
 /**
  * Notify functions
  */
-void s4u::ConditionVariable::notify() { 
+void ConditionVariable::notify_one() {
    simcall_cond_signal(cond_);
 }
  
-void s4u::ConditionVariable::notify_all() {
+void ConditionVariable::notify_all() {
   simcall_cond_broadcast(cond_);
 }
 
+}
+}