#include "simgrid/s4u/Mailbox.hpp"
#include "src/kernel/context/Context.hpp"
+#include <sstream>
XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_actor, "S4U actors");
namespace this_actor {
+/** Returns true if run from the kernel mode, and false if run from a real actor
+ *
+ * Everything that is run out of any actor (simulation setup before the engine is run,
+ * computing the model evolutions as a result to the actors' action, etc) is run in
+ * kernel mode, just as in any operating systems.
+ *
+ * In SimGrid, the actor in charge of doing the stuff in kernel mode is called Maestro,
+ * because it is the one scheduling when the others should move or wait.
+ */
+bool isMaestro()
+{
+ smx_context_t self_context = SIMIX_context_self();
+ return self_context == nullptr;
+}
+
void sleep_for(double duration)
{
if (duration > 0)
void* recv(MailboxPtr chan) {
void *res = nullptr;
- Comm& c = Comm::recv_init(chan);
- c.setDstData(&res,sizeof(res));
- c.wait();
+ CommPtr c = Comm::recv_init(chan);
+ c->setDstData(&res, sizeof(res));
+ c->wait();
return res;
}
void send(MailboxPtr chan, void* payload, double simulatedSize)
{
- Comm& c = Comm::send_init(chan);
- c.setRemains(simulatedSize);
- c.setSrcData(payload);
- // c.start() is optional.
- c.wait();
+ CommPtr c = Comm::send_init(chan);
+ c->setRemains(simulatedSize);
+ c->setSrcData(payload);
+ // c->start() is optional.
+ c->wait();
}
void send(MailboxPtr chan, void* payload, double simulatedSize, double timeout)
{
- Comm& c = Comm::send_init(chan);
- c.setRemains(simulatedSize);
- c.setSrcData(payload);
- // c.start() is optional.
- c.wait(timeout);
+ CommPtr c = Comm::send_init(chan);
+ c->setRemains(simulatedSize);
+ c->setSrcData(payload);
+ // c->start() is optional.
+ c->wait(timeout);
}
-Comm& isend(MailboxPtr chan, void* payload, double simulatedSize)
+CommPtr isend(MailboxPtr chan, void* payload, double simulatedSize)
{
return Comm::send_async(chan, payload, simulatedSize);
}
-Comm& irecv(MailboxPtr chan, void** data)
+void dsend(MailboxPtr chan, void* payload, double simulatedSize)
+{
+ Comm::send_detached(chan, payload, simulatedSize);
+}
+
+CommPtr irecv(MailboxPtr chan, void** data)
{
return Comm::recv_async(chan, data);
}