1 /* Copyright (c) 2006-2019. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
6 #include "simgrid/s4u/ConditionVariable.hpp"
7 #include "simgrid/simix.h"
8 #include "src/kernel/activity/ConditionVariableImpl.hpp"
17 ConditionVariablePtr ConditionVariable::create()
19 kernel::activity::ConditionVariableImpl* cond =
20 simix::simcall([] { return new kernel::activity::ConditionVariableImpl(); });
21 return ConditionVariablePtr(&cond->cond_, false);
27 void ConditionVariable::wait(MutexPtr lock)
29 simcall_cond_wait(cond_, lock->pimpl_);
32 void ConditionVariable::wait(std::unique_lock<Mutex>& lock)
34 simcall_cond_wait(cond_, lock.mutex()->pimpl_);
37 std::cv_status s4u::ConditionVariable::wait_for(std::unique_lock<Mutex>& lock, double timeout)
39 // The simcall uses -1 for "any timeout" but we don't want this:
43 if (simcall_cond_wait_timeout(cond_, lock.mutex()->pimpl_, timeout)) {
44 // If we reached the timeout, we have to take the lock again:
46 return std::cv_status::timeout;
48 return std::cv_status::no_timeout;
52 std::cv_status ConditionVariable::wait_until(std::unique_lock<Mutex>& lock, double timeout_time)
54 double now = SIMIX_get_clock();
56 if (timeout_time < now)
59 timeout = timeout_time - now;
60 return this->wait_for(lock, timeout);
66 void ConditionVariable::notify_one()
68 simgrid::simix::simcall([this]() { cond_->signal(); });
71 void ConditionVariable::notify_all()
73 simgrid::simix::simcall([this]() { cond_->broadcast(); });
76 void intrusive_ptr_add_ref(ConditionVariable* cond)
78 intrusive_ptr_add_ref(cond->cond_);
81 void intrusive_ptr_release(ConditionVariable* cond)
83 intrusive_ptr_release(cond->cond_);
87 } // namespace simgrid