-/* Copyright (c) 2012, 2014. The SimGrid Team.
- * All rights reserved. */
+/* Copyright (c) 2012-2016. The SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
#ifndef _SIMIX_SYNCHRO_PRIVATE_H
#define _SIMIX_SYNCHRO_PRIVATE_H
+#include <atomic>
+
+#include <simgrid/s4u/Mutex.hpp>
+#include <simgrid/s4u/conditionVariable.hpp>
+
#include "xbt/base.h"
#include "xbt/swag.h"
#include "xbt/xbt_os_thread.h"
smx_process_t owner = nullptr;
// List of sleeping processes:
xbt_swag_t sleeping = nullptr;
+
+ // boost::intrusive_ptr<Mutex> support:
+ friend void intrusive_ptr_add_ref(Mutex* mutex)
+ {
+ // Atomic operation! Do not split in two instructions!
+ auto previous = (mutex->refcount_)++;
+ xbt_assert(previous != 0);
+ (void) previous;
+ }
+ friend void intrusive_ptr_release(Mutex* mutex)
+ {
+ // Atomic operation! Do not split in two instructions!
+ auto count = --(mutex->refcount_);
+ if (count == 0)
+ delete mutex;
+ }
+
+ simgrid::s4u::Mutex& mutex() { return mutex_; }
+
+private:
+ std::atomic_int_fast32_t refcount_ { 1 };
+ simgrid::s4u::Mutex mutex_;
};
}
}
typedef struct s_smx_cond {
- smx_mutex_t mutex;
- xbt_swag_t sleeping; /* list of sleeping process */
+ s_smx_cond() : cond_(this) {}
+
+ std::atomic_int_fast32_t refcount_ { 1 };
+ smx_mutex_t mutex = nullptr;
+ xbt_swag_t sleeping = nullptr; /* list of sleeping process */
+ simgrid::s4u::ConditionVariable cond_;
} s_smx_cond_t;
typedef struct s_smx_sem {
xbt_swag_t sleeping; /* list of sleeping process */
} s_smx_sem_t;
-XBT_PRIVATE void SIMIX_post_synchro(smx_synchro_t synchro);
+XBT_PRIVATE void SIMIX_post_synchro(smx_activity_t synchro);
XBT_PRIVATE void SIMIX_synchro_stop_waiting(smx_process_t process, smx_simcall_t simcall);
-XBT_PRIVATE void SIMIX_synchro_destroy(smx_synchro_t synchro);
-XBT_PRIVATE void SIMIX_synchro_finish(smx_synchro_t synchro);
+XBT_PRIVATE void SIMIX_synchro_destroy(smx_activity_t synchro);
+XBT_PRIVATE void SIMIX_synchro_finish(smx_activity_t synchro);
-XBT_PRIVATE smx_cond_t SIMIX_cond_init(void);
+XBT_PRIVATE smx_cond_t SIMIX_cond_init();
XBT_PRIVATE void SIMIX_cond_broadcast(smx_cond_t cond);
XBT_PRIVATE void SIMIX_cond_signal(smx_cond_t cond);
+XBT_PRIVATE void intrusive_ptr_add_ref(s_smx_cond_t *cond);
+XBT_PRIVATE void intrusive_ptr_release(s_smx_cond_t *cond);
XBT_PRIVATE XBT_PRIVATE smx_sem_t SIMIX_sem_init(unsigned int value);
XBT_PRIVATE void SIMIX_sem_release(smx_sem_t sem);
XBT_PRIVATE int SIMIX_sem_would_block(smx_sem_t sem);
XBT_PRIVATE int SIMIX_sem_get_capacity(smx_sem_t sem);
-
#endif