1 /* Copyright (c) 2006-2018. 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 smx_cond_t cond = simcall_cond_init();
20 return ConditionVariablePtr(&cond->cond_, false);
26 void ConditionVariable::wait(MutexPtr lock)
28 simcall_cond_wait(cond_, lock->pimpl_);
31 void ConditionVariable::wait(std::unique_lock<Mutex>& lock)
33 simcall_cond_wait(cond_, lock.mutex()->pimpl_);
36 std::cv_status s4u::ConditionVariable::wait_for(std::unique_lock<Mutex>& lock, double timeout)
38 // The simcall uses -1 for "any timeout" but we don't want this:
42 if (simcall_cond_wait_timeout(cond_, lock.mutex()->pimpl_, timeout)) {
43 // If we reached the timeout, we have to take the lock again:
45 return std::cv_status::timeout;
47 return std::cv_status::no_timeout;
51 std::cv_status ConditionVariable::wait_until(std::unique_lock<Mutex>& lock, double timeout_time)
53 double now = SIMIX_get_clock();
55 if (timeout_time < now)
58 timeout = timeout_time - now;
59 return this->wait_for(lock, timeout);
65 void ConditionVariable::notify_one()
67 simgrid::simix::simcall([this]() { cond_->signal(); });
70 void ConditionVariable::notify_all()
72 simgrid::simix::simcall([this]() { cond_->broadcast(); });
75 void intrusive_ptr_add_ref(ConditionVariable* cond)
77 intrusive_ptr_add_ref(cond->cond_);
80 void intrusive_ptr_release(ConditionVariable* cond)
82 intrusive_ptr_release(cond->cond_);
86 } // namespace simgrid