#ifndef SIMGRID_S4U_MAILBOX_HPP
#define SIMGRID_S4U_MAILBOX_HPP
-#include <boost/unordered_map.hpp>
-
#include <xbt/base.h>
#include <simgrid/s4u/forward.hpp>
+
+#ifdef __cplusplus
+
+# include <boost/unordered_map.hpp>
#include <simgrid/s4u/actor.hpp>
namespace simgrid {
friend Comm;
private:
- Mailbox(const char*name, smx_rdv_t inferior);
+ Mailbox(const char*name, smx_mailbox_t inferior);
public:
~Mailbox();
protected:
- smx_rdv_t getInferior() { return p_inferior; }
+ smx_mailbox_t getInferior() { return pimpl_; }
public:
/** Get the name of that mailbox */
const char *getName();
/** Retrieve the mailbox associated to the given string */
static Mailbox *byName(const char *name);
+ /** Returns whether the mailbox contains queued communications */
+ bool empty();
+
+ /** Declare that the specified process is a permanent receiver on that mailbox
+ *
+ * It means that the communications sent to this mailbox will start flowing to its host even before he does a recv().
+ * This models the real behavior of TCP and MPI communications, amongst other.
+ */
+ void setReceiver(smx_process_t process);
+ /** Return the process declared as permanent receiver, or nullptr if none **/
+ smx_process_t receiver();
private:
- std::string p_name;
- smx_rdv_t p_inferior;
+ std::string name_;
+ smx_mailbox_t pimpl_;
static boost::unordered_map<std::string, Mailbox *> *mailboxes;
+ friend s4u::Engine;
};
}} // namespace simgrid::s4u
+#endif /* C++ */
+
+XBT_PUBLIC(sg_mbox_t) sg_mbox_by_name(const char*name);
+XBT_PUBLIC(int) sg_mbox_is_empty(sg_mbox_t mbox);
+XBT_PUBLIC(void)sg_mbox_setReceiver(sg_mbox_t mbox, smx_process_t process);
+XBT_PUBLIC(smx_process_t) sg_mbox_receiver(sg_mbox_t mbox);
+
#endif /* SIMGRID_S4U_MAILBOX_HPP */
