/* SimGrid's pthread interposer. Actual implementation of the symbols (see the comment in sthread.h) */
#include "smpi/smpi.h"
+#include "xbt/asserts.h"
+#include "xbt/ex.h"
+#include "xbt/log.h"
#include "xbt/string.hpp"
#include <simgrid/actor.h>
#include <simgrid/s4u/Actor.hpp>
return 0;
}
-int sthread_mutex_init(sthread_mutex_t* mutex, const void* /*pthread_mutexattr_t* attr*/)
+int sthread_mutexattr_init(sthread_mutexattr_t* attr)
{
- auto m = sg4::Mutex::create();
+ memset(attr, 0, sizeof(*attr));
+ return 0;
+}
+int sthread_mutexattr_settype(sthread_mutexattr_t* attr, int type)
+{
+ switch (type) {
+ case PTHREAD_MUTEX_NORMAL:
+ xbt_assert(not attr->recursive, "S4U does not allow to remove the recursivness of a mutex.");
+ attr->recursive = 0;
+ break;
+ case PTHREAD_MUTEX_RECURSIVE:
+ attr->recursive = 1;
+ attr->errorcheck = 0; // reset
+ break;
+ case PTHREAD_MUTEX_ERRORCHECK:
+ attr->errorcheck = 1;
+ THROW_UNIMPLEMENTED;
+ break;
+ default:
+ THROW_IMPOSSIBLE;
+ }
+ return 0;
+}
+int sthread_mutexattr_gettype(const sthread_mutexattr_t* attr, int* type)
+{
+ if (attr->recursive)
+ *type = PTHREAD_MUTEX_RECURSIVE;
+ else if (attr->errorcheck)
+ *type = PTHREAD_MUTEX_ERRORCHECK;
+ else
+ *type = PTHREAD_MUTEX_NORMAL;
+ return 0;
+}
+int sthread_mutexattr_getrobust(const sthread_mutexattr_t* attr, int* robustness)
+{
+ *robustness = attr->robust;
+ return 0;
+}
+int sthread_mutexattr_setrobust(sthread_mutexattr_t* attr, int robustness)
+{
+ attr->robust = robustness;
+ if (robustness)
+ THROW_UNIMPLEMENTED;
+ return 0;
+}
+
+int sthread_mutex_init(sthread_mutex_t* mutex, const sthread_mutexattr_t* attr)
+{
+ auto m = sg4::Mutex::create(attr != nullptr && attr->recursive);
intrusive_ptr_add_ref(m.get());
mutex->mutex = m.get();
if (mutex->mutex == nullptr)
sthread_mutex_init(mutex, nullptr);
+ XBT_DEBUG("%s(%p)", __func__, mutex);
static_cast<sg4::Mutex*>(mutex->mutex)->lock();
return 0;
}
if (mutex->mutex == nullptr)
sthread_mutex_init(mutex, nullptr);
- return static_cast<sg4::Mutex*>(mutex->mutex)->try_lock();
+ XBT_DEBUG("%s(%p)", __func__, mutex);
+ if (static_cast<sg4::Mutex*>(mutex->mutex)->try_lock())
+ return 0;
+ return EBUSY;
}
int sthread_mutex_unlock(sthread_mutex_t* mutex)
if (mutex->mutex == nullptr)
sthread_mutex_init(mutex, nullptr);
+ XBT_DEBUG("%s(%p)", __func__, mutex);
static_cast<sg4::Mutex*>(mutex->mutex)->unlock();
return 0;
}
if (mutex->mutex == nullptr)
sthread_mutex_init(mutex, nullptr);
+ XBT_DEBUG("%s(%p)", __func__, mutex);
intrusive_ptr_release(static_cast<sg4::Mutex*>(mutex->mutex));
return 0;
}
return 0;
}
-void sthread_sleep(double seconds)
+unsigned int sthread_sleep(double seconds)
{
+ XBT_DEBUG("sleep(%lf)", seconds);
simgrid::s4u::this_actor::sleep_for(seconds);
+ return 0;
+}
+int sthread_usleep(double seconds)
+{
+ XBT_DEBUG("sleep(%lf)", seconds);
+ simgrid::s4u::this_actor::sleep_for(seconds);
+ return 0;
}
#if 0