src/s4u/s4u_exec.cpp

   1 /* Copyright (c) 2006-2017. The SimGrid Team. All rights reserved.          */
   2
   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. */
   5 #include "xbt/log.h"
   6
   7 #include "simgrid/s4u/Actor.hpp"
   8 #include "simgrid/s4u/Exec.hpp"
   9 #include "src/kernel/activity/ExecImpl.hpp"
  10
  11 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(s4u_exec, s4u_activity, "S4U asynchronous executions");
  12
  13 namespace simgrid {
  14 namespace s4u {
  15
  16 void Exec::start()
  17 {
  18   pimpl_ = simcall_execution_start(nullptr, flops_amount_, 1 / priority_, 0., host_);
  19   state_ = started;
  20 }
  21
  22 void Exec::wait()
  23 {
  24   simcall_execution_wait(pimpl_);
  25 }
  26
  27 void Exec::wait(double timeout)
  28 {
  29   THROW_UNIMPLEMENTED;
  30 }
  31
  32 bool Exec::test()
  33 {
  34   xbt_assert(state_ == inited || state_ == started || state_ == finished);
  35
  36   if (state_ == finished) {
  37     return true;
  38   }
  39
  40   if (state_ == inited) {
  41     this->start();
  42   }
  43
  44   return false;
  45 }
  46
  47 ExecPtr Exec::setPriority(double priority)
  48 {
  49   priority_ = priority;
  50   return this;
  51 }
  52 ExecPtr Exec::setHost(Host* host)
  53 {
  54   host_ = host;
  55   return this;
  56 }
  57
  58 double Exec::getRemains()
  59 {
  60   return simgrid::simix::kernelImmediate(
  61       [this]() { return boost::static_pointer_cast<simgrid::kernel::activity::ExecImpl>(pimpl_)->remains(); });
  62 }
  63 double Exec::getRemainingRatio()
  64 {
  65   return simgrid::simix::kernelImmediate(
  66       [this]() { return boost::static_pointer_cast<simgrid::kernel::activity::ExecImpl>(pimpl_)->remainingRatio(); });
  67 }
  68
  69 void intrusive_ptr_release(simgrid::s4u::Exec* e)
  70 {
  71   if (e->refcount_.fetch_sub(1, std::memory_order_release) == 1) {
  72     std::atomic_thread_fence(std::memory_order_acquire);
  73     delete e;
  74   }
  75 }
  76
  77 void intrusive_ptr_add_ref(simgrid::s4u::Exec* e)
  78 {
  79   e->refcount_.fetch_add(1, std::memory_order_relaxed);
  80 }
  81 }
  82 }