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[simgrid.git] / src / simix / popping.cpp
1 /* Copyright (c) 2010-2015. The SimGrid Team.
2  * All rights reserved.                                                     */
3
4 /* This program is free software; you can redistribute it and/or modify it
5  * under the terms of the license (GNU LGPL) which comes with this package. */
6
7 #include "smx_private.h"
8 #include "xbt/fifo.h"
9 #include "xbt/xbt_os_thread.h"
10 #if HAVE_MC
11 #include "src/mc/mc_private.h"
12 #endif
13
14 #include "src/kernel/activity/SynchroExec.hpp"
15 #include "src/kernel/activity/SynchroComm.hpp"
16 #include "src/kernel/activity/SynchroSleep.hpp"
17 #include "src/kernel/activity/SynchroRaw.hpp"
18 #include "src/kernel/activity/SynchroIo.hpp"
19
20 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_popping, simix,
21                                 "Popping part of SIMIX (transmuting from user request into kernel handlers)");
22
23 void SIMIX_simcall_answer(smx_simcall_t simcall)
24 {
25   if (simcall->issuer != simix_global->maestro_process){
26     XBT_DEBUG("Answer simcall %s (%d) issued by %s (%p)", SIMIX_simcall_name(simcall->call), (int)simcall->call,
27         simcall->issuer->name.c_str(), simcall->issuer);
28     simcall->issuer->simcall.call = SIMCALL_NONE;
29 /*    This check should be useless and slows everyone. Reactivate if you see something
30  *    weird in process scheduling.
31  */
32 /*    if(!xbt_dynar_member(simix_global->process_to_run, &(simcall->issuer))) */
33     xbt_dynar_push_as(simix_global->process_to_run, smx_actor_t, simcall->issuer);
34 /*    else DIE_IMPOSSIBLE; */
35   }
36 }
37
38 void SIMIX_simcall_exit(smx_activity_t synchro)
39 {
40   synchro->post();
41 }
42
43 void SIMIX_run_kernel(std::function<void()> const* code)
44 {
45   (*code)();
46 }
47
48 /** Kernel code for run_blocking
49  *
50  * The implementtion looks a lot like SIMIX_run_kernel ^^
51  *
52  * However, this `run_blocking` is blocking so the process will not be woken
53  * up until `SIMIX_simcall_answer(simcall)`` is called by the kernel.
54  * This means that `code` is responsible for doing this.
55  */
56 void SIMIX_run_blocking(std::function<void()> const* code)
57 {
58   (*code)();
59 }