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