1 /* Copyright (c) 2007-2016. The SimGrid Team. All rights reserved. */
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. */
6 #ifndef _SIMIX_SYNCHRO_COMM_HPP
7 #define _SIMIX_SYNCHRO_COMM_HPP
10 #include "src/simix/Synchro.h"
22 XBT_PUBLIC_CLASS Comm : public Synchro {
25 explicit Comm(e_smx_comm_type_t type);
26 void suspend() override;
27 void resume() override;
31 void cleanupSurf(); // FIXME: make me protected
33 e_smx_comm_type_t type; /* Type of the communication (SIMIX_COMM_SEND or SIMIX_COMM_RECEIVE) */
34 smx_mailbox_t mbox = nullptr; /* Rendez-vous where the comm is queued */
37 smx_mailbox_t mbox_cpy = nullptr; /* Copy of the rendez-vous where the comm is queued, MC needs it for DPOR
38 (comm.mbox set to NULL when the communication is removed from the mailbox
39 (used as garbage collector)) */
41 bool detached = false; /* If detached or not */
43 void (*clean_fun)(void*) = nullptr; /* Function to clean the detached src_buf if something goes wrong */
44 int (*match_fun)(void*,void*,smx_synchro_t) = nullptr; /* Filter function used by the other side. It is used when
45 looking if a given communication matches my needs. For that, myself must match the
46 expectations of the other side, too. See */
47 void (*copy_data_fun) (smx_synchro_t, void*, size_t) =nullptr;
49 /* Surf action data */
50 surf_action_t surf_comm = nullptr; /* The Surf communication action encapsulated */
51 surf_action_t src_timeout = nullptr; /* Surf's actions to instrument the timeouts */
52 surf_action_t dst_timeout = nullptr; /* Surf's actions to instrument the timeouts */
53 smx_process_t src_proc = nullptr;
54 smx_process_t dst_proc = nullptr;
56 double task_size = 0.0;
58 /* Data to be transfered */
59 void *src_buff = nullptr;
60 void *dst_buff = nullptr;
61 size_t src_buff_size = 0;
62 size_t *dst_buff_size = nullptr;
63 bool copied = false; /* whether the data were already copied */
65 void* src_data = nullptr; /* User data associated to communication */
66 void* dst_data = nullptr;
69 }} // namespace simgrid::simix