1 /* Copyright (c) 2006-2017. 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. */
10 #include <xbt/log.hpp>
12 #include "simgrid/s4u/ConditionVariable.hpp"
13 #include "simgrid/simix.h"
14 #include "src/simix/smx_synchro_private.hpp"
19 ConditionVariablePtr ConditionVariable::createConditionVariable()
21 smx_cond_t cond = simcall_cond_init();
22 return ConditionVariablePtr(&cond->cond_, false);
28 void ConditionVariable::wait(MutexPtr lock)
30 simcall_cond_wait(cond_, lock->mutex_);
33 void ConditionVariable::wait(std::unique_lock<Mutex>& lock) {
34 simcall_cond_wait(cond_, lock.mutex()->mutex_);
37 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:
43 simcall_cond_wait_timeout(cond_, lock.mutex()->mutex_, timeout);
44 return std::cv_status::no_timeout;
48 // If the exception was a timeout, we have to take the lock again:
49 if (e.category == timeout_error) {
52 return std::cv_status::timeout;
59 // Another exception: should we reaquire the lock?
67 std::cv_status ConditionVariable::wait_until(std::unique_lock<Mutex>& lock, double timeout_time)
69 double now = SIMIX_get_clock();
71 if (timeout_time < now)
74 timeout = timeout_time - now;
75 return this->wait_for(lock, timeout);
81 void ConditionVariable::notify_one() {
82 simcall_cond_signal(cond_);
85 void ConditionVariable::notify_all() {
86 simcall_cond_broadcast(cond_);
89 void intrusive_ptr_add_ref(ConditionVariable* cond)
91 intrusive_ptr_add_ref(cond->cond_);
94 void intrusive_ptr_release(ConditionVariable* cond)
96 intrusive_ptr_release(cond->cond_);