-/* Copyright (c) 2008-2013. The SimGrid Team.
+/* Copyright (c) 2008-2014. The SimGrid Team.
* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
+#include <assert.h>
+
+#include "mc_request.h"
+#include "mc_safety.h"
#include "mc_private.h"
+#include "mc_smx.h"
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_request, mc,
"Logging specific to MC (request)");
-static char* pointer_to_string(void* pointer);
-static char* buff_size_to_string(size_t size);
+static char *pointer_to_string(void *pointer);
+static char *buff_size_to_string(size_t size);
-int MC_request_depend(smx_simcall_t r1, smx_simcall_t r2) {
- if(mc_reduce_kind == e_mc_reduce_none)
+int MC_request_depend(smx_simcall_t r1, smx_simcall_t r2)
+{
+ if (mc_reduce_kind == e_mc_reduce_none)
return TRUE;
if (r1->issuer == r2->issuer)
- return FALSE;
+ return FALSE;
+
+ /* Wait with timeout transitions are not considered by the independance theorem, thus we consider them as dependant with all other transitions */
+ if ((r1->call == SIMCALL_COMM_WAIT && simcall_comm_wait__get__timeout(r1) > 0)
+ || (r2->call == SIMCALL_COMM_WAIT
+ && simcall_comm_wait__get__timeout(r2) > 0))
+ return TRUE;
- if(r1->call == SIMCALL_COMM_ISEND && r2->call == SIMCALL_COMM_IRECV)
+ if (r1->call == SIMCALL_COMM_ISEND && r2->call == SIMCALL_COMM_IRECV)
return FALSE;
- if(r1->call == SIMCALL_COMM_IRECV && r2->call == SIMCALL_COMM_ISEND)
+ if (r1->call == SIMCALL_COMM_IRECV && r2->call == SIMCALL_COMM_ISEND)
return FALSE;
- if((r1->call == SIMCALL_COMM_ISEND || r1->call == SIMCALL_COMM_IRECV)
- && r2->call == SIMCALL_COMM_WAIT){
+ // Read object from MCed memory:
+ s_smx_synchro_t synchro1, synchro2;
+ if (r1->call == SIMCALL_COMM_WAIT) {
+ MC_process_read_simple(&mc_model_checker->process, &synchro1,
+ simcall_comm_wait__get__comm(r1), sizeof(synchro1));
+ }
+ if (r2->call == SIMCALL_COMM_WAIT) {
+ MC_process_read_simple(&mc_model_checker->process, &synchro2,
+ simcall_comm_wait__get__comm(r2), sizeof(synchro2));
+ }
+ if (r1->call == SIMCALL_COMM_TEST) {
+ MC_process_read_simple(&mc_model_checker->process, &synchro1,
+ simcall_comm_test__get__comm(r1), sizeof(synchro1));
+ }
+ if (r2->call == SIMCALL_COMM_TEST) {
+ MC_process_read_simple(&mc_model_checker->process, &synchro2,
+ simcall_comm_test__get__comm(r2), sizeof(synchro2));
+ }
+
+ if ((r1->call == SIMCALL_COMM_ISEND || r1->call == SIMCALL_COMM_IRECV)
+ && r2->call == SIMCALL_COMM_WAIT) {
- smx_rdv_t rdv = r1->call == SIMCALL_COMM_ISEND ? simcall_comm_isend__get__rdv(r1) : simcall_comm_irecv__get__rdv(r1);
+ smx_rdv_t rdv =
+ r1->call ==
+ SIMCALL_COMM_ISEND ? simcall_comm_isend__get__rdv(r1) :
+ simcall_comm_irecv__get__rdv(r1);
- if(rdv != simcall_comm_wait__get__comm(r2)->comm.rdv_cpy && simcall_comm_wait__get__timeout(r2) <= 0)
+ if (rdv != synchro2.comm.rdv_cpy
+ && simcall_comm_wait__get__timeout(r2) <= 0)
return FALSE;
- if((r1->issuer != simcall_comm_wait__get__comm(r2)->comm.src_proc) && (r1->issuer != simcall_comm_wait__get__comm(r2)->comm.dst_proc) && simcall_comm_wait__get__timeout(r2) <= 0)
+ if ((r1->issuer != synchro2.comm.src_proc)
+ && (r1->issuer != synchro2.comm.dst_proc)
+ && simcall_comm_wait__get__timeout(r2) <= 0)
return FALSE;
- if((r1->call == SIMCALL_COMM_ISEND) && (simcall_comm_wait__get__comm(r2)->comm.type == SIMIX_COMM_SEND)
- && (simcall_comm_wait__get__comm(r2)->comm.src_buff != simcall_comm_isend__get__src_buff(r1)) && simcall_comm_wait__get__timeout(r2) <= 0)
+ if ((r1->call == SIMCALL_COMM_ISEND)
+ && (synchro2.comm.type == SIMIX_COMM_SEND)
+ && (synchro2.comm.src_buff !=
+ simcall_comm_isend__get__src_buff(r1))
+ && simcall_comm_wait__get__timeout(r2) <= 0)
return FALSE;
- if((r1->call == SIMCALL_COMM_IRECV) && (simcall_comm_wait__get__comm(r2)->comm.type == SIMIX_COMM_RECEIVE)
- && (simcall_comm_wait__get__comm(r2)->comm.dst_buff != simcall_comm_irecv__get__dst_buff(r1)) && simcall_comm_wait__get__timeout(r2) <= 0)
+ if ((r1->call == SIMCALL_COMM_IRECV)
+ && (synchro2.comm.type == SIMIX_COMM_RECEIVE)
+ && (synchro2.comm.dst_buff != simcall_comm_irecv__get__dst_buff(r1))
+ && simcall_comm_wait__get__timeout(r2) <= 0)
return FALSE;
}
- if((r2->call == SIMCALL_COMM_ISEND || r2->call == SIMCALL_COMM_IRECV)
- && r1->call == SIMCALL_COMM_WAIT){
+ if ((r2->call == SIMCALL_COMM_ISEND || r2->call == SIMCALL_COMM_IRECV)
+ && r1->call == SIMCALL_COMM_WAIT) {
- smx_rdv_t rdv = r2->call == SIMCALL_COMM_ISEND ? simcall_comm_isend__get__rdv(r2) : simcall_comm_irecv__get__rdv(r2);
+ smx_rdv_t rdv =
+ r2->call ==
+ SIMCALL_COMM_ISEND ? simcall_comm_isend__get__rdv(r2) :
+ simcall_comm_irecv__get__rdv(r2);
- if(rdv != simcall_comm_wait__get__comm(r1)->comm.rdv_cpy && simcall_comm_wait__get__timeout(r1) <= 0)
+ if (rdv != synchro1.comm.rdv_cpy
+ && simcall_comm_wait__get__timeout(r1) <= 0)
return FALSE;
- if((r2->issuer != simcall_comm_wait__get__comm(r1)->comm.src_proc) && (r2->issuer != simcall_comm_wait__get__comm(r1)->comm.dst_proc) && simcall_comm_wait__get__timeout(r1) <= 0)
- return FALSE;
+ if ((r2->issuer != synchro1.comm.src_proc)
+ && (r2->issuer != synchro1.comm.dst_proc)
+ && simcall_comm_wait__get__timeout(r1) <= 0)
+ return FALSE;
- if((r2->call == SIMCALL_COMM_ISEND) && (simcall_comm_wait__get__comm(r1)->comm.type == SIMIX_COMM_SEND)
- && (simcall_comm_wait__get__comm(r1)->comm.src_buff != simcall_comm_isend__get__src_buff(r2)) && simcall_comm_wait__get__timeout(r1) <= 0)
+ if ((r2->call == SIMCALL_COMM_ISEND)
+ && (synchro1.comm.type == SIMIX_COMM_SEND)
+ && (synchro1.comm.src_buff !=
+ simcall_comm_isend__get__src_buff(r2))
+ && simcall_comm_wait__get__timeout(r1) <= 0)
return FALSE;
- if((r2->call == SIMCALL_COMM_IRECV) && (simcall_comm_wait__get__comm(r1)->comm.type == SIMIX_COMM_RECEIVE)
- && (simcall_comm_wait__get__comm(r1)->comm.dst_buff != simcall_comm_irecv__get__dst_buff(r2)) && simcall_comm_wait__get__timeout(r1) <= 0)
+ if ((r2->call == SIMCALL_COMM_IRECV)
+ && (synchro1.comm.type == SIMIX_COMM_RECEIVE)
+ && (synchro1.comm.dst_buff !=
+ simcall_comm_irecv__get__dst_buff(r2))
+ && simcall_comm_wait__get__timeout(r1) <= 0)
return FALSE;
}
* isend/irecv call is not stored in a buffer used in the
* test call. */
/*if( (r1->call == SIMCALL_COMM_ISEND || r1->call == SIMCALL_COMM_IRECV)
- && r2->call == SIMCALL_COMM_TEST)
- return FALSE;*/
+ && r2->call == SIMCALL_COMM_TEST)
+ return FALSE; */
/* FIXME: the following rule assumes that the result of the
* isend/irecv call is not stored in a buffer used in the
* test call.*/
/*if( (r2->call == SIMCALL_COMM_ISEND || r2->call == SIMCALL_COMM_IRECV)
- && r1->call == SIMCALL_COMM_TEST)
- return FALSE;*/
+ && r1->call == SIMCALL_COMM_TEST)
+ return FALSE; */
- if(r1->call == SIMCALL_COMM_ISEND && r2->call == SIMCALL_COMM_ISEND
- && simcall_comm_isend__get__rdv(r1) != simcall_comm_isend__get__rdv(r2))
+ if (r1->call == SIMCALL_COMM_ISEND && r2->call == SIMCALL_COMM_ISEND
+ && simcall_comm_isend__get__rdv(r1) != simcall_comm_isend__get__rdv(r2))
return FALSE;
- if(r1->call == SIMCALL_COMM_IRECV && r2->call == SIMCALL_COMM_IRECV
- && simcall_comm_irecv__get__rdv(r1) != simcall_comm_irecv__get__rdv(r2))
+ if (r1->call == SIMCALL_COMM_IRECV && r2->call == SIMCALL_COMM_IRECV
+ && simcall_comm_irecv__get__rdv(r1) != simcall_comm_irecv__get__rdv(r2))
return FALSE;
- if(r1->call == SIMCALL_COMM_WAIT && (r2->call == SIMCALL_COMM_WAIT || r2->call == SIMCALL_COMM_TEST)
- && (simcall_comm_wait__get__comm(r1)->comm.src_proc == NULL
- || simcall_comm_wait__get__comm(r1)->comm.dst_proc == NULL))
+ if (r1->call == SIMCALL_COMM_WAIT
+ && (r2->call == SIMCALL_COMM_WAIT || r2->call == SIMCALL_COMM_TEST)
+ && (synchro1.comm.src_proc == NULL || synchro1.comm.dst_proc == NULL))
return FALSE;
- if(r2->call == SIMCALL_COMM_WAIT && (r1->call == SIMCALL_COMM_WAIT || r1->call == SIMCALL_COMM_TEST)
- && (simcall_comm_wait__get__comm(r2)->comm.src_proc == NULL
- || simcall_comm_wait__get__comm(r2)->comm.dst_proc == NULL))
- return FALSE;
+ if (r2->call == SIMCALL_COMM_WAIT
+ && (r1->call == SIMCALL_COMM_WAIT || r1->call == SIMCALL_COMM_TEST)
+ && (synchro2.comm.src_proc == NULL || synchro2.comm.dst_proc == NULL))
+ return FALSE;
- if(r1->call == SIMCALL_COMM_WAIT && r2->call == SIMCALL_COMM_WAIT
- && simcall_comm_wait__get__comm(r1)->comm.src_buff == simcall_comm_wait__get__comm(r2)->comm.src_buff
- && simcall_comm_wait__get__comm(r1)->comm.dst_buff == simcall_comm_wait__get__comm(r2)->comm.dst_buff)
+ if (r1->call == SIMCALL_COMM_WAIT && r2->call == SIMCALL_COMM_WAIT
+ && synchro1.comm.src_buff == synchro2.comm.src_buff
+ && synchro2.comm.dst_buff == synchro2.comm.dst_buff)
return FALSE;
if (r1->call == SIMCALL_COMM_WAIT && r2->call == SIMCALL_COMM_WAIT
- && simcall_comm_wait__get__comm(r1)->comm.src_buff != NULL
- && simcall_comm_wait__get__comm(r1)->comm.dst_buff != NULL
- && simcall_comm_wait__get__comm(r2)->comm.src_buff != NULL
- && simcall_comm_wait__get__comm(r2)->comm.dst_buff != NULL
- && simcall_comm_wait__get__comm(r1)->comm.dst_buff != simcall_comm_wait__get__comm(r2)->comm.src_buff
- && simcall_comm_wait__get__comm(r1)->comm.dst_buff != simcall_comm_wait__get__comm(r2)->comm.dst_buff
- && simcall_comm_wait__get__comm(r2)->comm.dst_buff != simcall_comm_wait__get__comm(r1)->comm.src_buff)
+ && synchro1.comm.src_buff != NULL
+ && synchro1.comm.dst_buff != NULL
+ && synchro2.comm.src_buff != NULL
+ && synchro2.comm.dst_buff != NULL
+ && synchro1.comm.dst_buff != synchro2.comm.src_buff
+ && synchro1.comm.dst_buff != synchro2.comm.dst_buff
+ && synchro2.comm.dst_buff != synchro1.comm.src_buff)
return FALSE;
- if(r1->call == SIMCALL_COMM_TEST &&
- (simcall_comm_test__get__comm(r1) == NULL
- || simcall_comm_test__get__comm(r1)->comm.src_buff == NULL
- || simcall_comm_test__get__comm(r1)->comm.dst_buff == NULL))
+ if (r1->call == SIMCALL_COMM_TEST &&
+ (simcall_comm_test__get__comm(r1) == NULL
+ || synchro1.comm.src_buff == NULL
+ || synchro1.comm.dst_buff == NULL))
return FALSE;
- if(r2->call == SIMCALL_COMM_TEST &&
- (simcall_comm_test__get__comm(r2) == NULL
- || simcall_comm_test__get__comm(r2)->comm.src_buff == NULL
- || simcall_comm_test__get__comm(r2)->comm.dst_buff == NULL))
+ if (r2->call == SIMCALL_COMM_TEST &&
+ (simcall_comm_test__get__comm(r2) == NULL
+ || synchro2.comm.src_buff == NULL
+ || synchro2.comm.dst_buff == NULL))
return FALSE;
- if(r1->call == SIMCALL_COMM_TEST && r2->call == SIMCALL_COMM_WAIT
- && simcall_comm_test__get__comm(r1)->comm.src_buff == simcall_comm_wait__get__comm(r2)->comm.src_buff
- && simcall_comm_test__get__comm(r1)->comm.dst_buff == simcall_comm_wait__get__comm(r2)->comm.dst_buff)
+ if (r1->call == SIMCALL_COMM_TEST && r2->call == SIMCALL_COMM_WAIT
+ && synchro1.comm.src_buff == synchro2.comm.src_buff
+ && synchro1.comm.dst_buff == synchro2.comm.dst_buff)
return FALSE;
- if(r1->call == SIMCALL_COMM_WAIT && r2->call == SIMCALL_COMM_TEST
- && simcall_comm_wait__get__comm(r1)->comm.src_buff == simcall_comm_test__get__comm(r2)->comm.src_buff
- && simcall_comm_wait__get__comm(r1)->comm.dst_buff == simcall_comm_test__get__comm(r2)->comm.dst_buff)
+ if (r1->call == SIMCALL_COMM_WAIT && r2->call == SIMCALL_COMM_TEST
+ && synchro1.comm.src_buff == synchro2.comm.src_buff
+ && synchro1.comm.dst_buff == synchro2.comm.dst_buff)
return FALSE;
if (r1->call == SIMCALL_COMM_WAIT && r2->call == SIMCALL_COMM_TEST
- && simcall_comm_wait__get__comm(r1)->comm.src_buff != NULL
- && simcall_comm_wait__get__comm(r1)->comm.dst_buff != NULL
- && simcall_comm_test__get__comm(r2)->comm.src_buff != NULL
- && simcall_comm_test__get__comm(r2)->comm.dst_buff != NULL
- && simcall_comm_wait__get__comm(r1)->comm.dst_buff != simcall_comm_test__get__comm(r2)->comm.src_buff
- && simcall_comm_wait__get__comm(r1)->comm.dst_buff != simcall_comm_test__get__comm(r2)->comm.dst_buff
- && simcall_comm_test__get__comm(r2)->comm.dst_buff != simcall_comm_wait__get__comm(r1)->comm.src_buff)
+ && synchro1.comm.src_buff != NULL
+ && synchro1.comm.dst_buff != NULL
+ && synchro2.comm.src_buff != NULL
+ && synchro2.comm.dst_buff != NULL
+ && synchro1.comm.dst_buff != synchro2.comm.src_buff
+ && synchro1.comm.dst_buff != synchro2.comm.dst_buff
+ && synchro2.comm.dst_buff != synchro1.comm.src_buff)
return FALSE;
if (r1->call == SIMCALL_COMM_TEST && r2->call == SIMCALL_COMM_WAIT
- && simcall_comm_test__get__comm(r1)->comm.src_buff != NULL
- && simcall_comm_test__get__comm(r1)->comm.dst_buff != NULL
- && simcall_comm_wait__get__comm(r2)->comm.src_buff != NULL
- && simcall_comm_wait__get__comm(r2)->comm.dst_buff != NULL
- && simcall_comm_test__get__comm(r1)->comm.dst_buff != simcall_comm_wait__get__comm(r2)->comm.src_buff
- && simcall_comm_test__get__comm(r1)->comm.dst_buff != simcall_comm_wait__get__comm(r2)->comm.dst_buff
- && simcall_comm_wait__get__comm(r2)->comm.dst_buff != simcall_comm_test__get__comm(r1)->comm.src_buff)
+ && synchro1.comm.src_buff != NULL
+ && synchro1.comm.dst_buff != NULL
+ && synchro2.comm.src_buff != NULL
+ && synchro2.comm.dst_buff != NULL
+ && synchro1.comm.dst_buff != synchro2.comm.src_buff
+ && synchro1.comm.dst_buff != synchro2.comm.dst_buff
+ && synchro2.comm.dst_buff != synchro1.comm.src_buff)
return FALSE;
-
return TRUE;
}
-static char* pointer_to_string(void* pointer) {
+static char *pointer_to_string(void *pointer)
+{
if (XBT_LOG_ISENABLED(mc_request, xbt_log_priority_verbose))
return bprintf("%p", pointer);
return xbt_strdup("(verbose only)");
}
-static char* buff_size_to_string(size_t buff_size) {
+static char *buff_size_to_string(size_t buff_size)
+{
if (XBT_LOG_ISENABLED(mc_request, xbt_log_priority_verbose))
return bprintf("%zu", buff_size);
char *MC_request_to_string(smx_simcall_t req, int value)
{
- char *type = NULL, *args = NULL, *str = NULL, *p = NULL, *bs = NULL;
- smx_action_t act = NULL;
- size_t size = 0;
-
- switch(req->call){
- case SIMCALL_COMM_ISEND:
- type = xbt_strdup("iSend");
- p = pointer_to_string(simcall_comm_isend__get__src_buff(req));
- bs = buff_size_to_string(simcall_comm_isend__get__src_buff_size(req));
- if(req->issuer->smx_host)
- args = bprintf("src=(%lu)%s (%s), buff=%s, size=%s", req->issuer->pid, MSG_host_get_name(req->issuer->smx_host), req->issuer->name, p, bs);
+ const char* type = NULL;
+ char *args = NULL;
+
+ smx_process_t issuer = MC_smx_simcall_get_issuer(req);
+
+ switch (req->call) {
+
+ case SIMCALL_COMM_ISEND: {
+ type = "iSend";
+ char* p = pointer_to_string(simcall_comm_isend__get__src_buff(req));
+ char* bs = buff_size_to_string(simcall_comm_isend__get__src_buff_size(req));
+ if (issuer->smx_host)
+ args =
+ bprintf("src=(%lu)%s (%s), buff=%s, size=%s", issuer->pid,
+ MC_smx_process_get_host_name(issuer),
+ MC_smx_process_get_name(issuer),
+ p, bs);
else
- args = bprintf("src=(%lu)%s, buff=%s, size=%s", req->issuer->pid, req->issuer->name, p, bs);
+ args =
+ bprintf("src=(%lu)%s, buff=%s, size=%s", issuer->pid,
+ MC_smx_process_get_name(issuer), p, bs);
+ xbt_free(bs);
+ xbt_free(p);
break;
- case SIMCALL_COMM_IRECV:
- size = simcall_comm_irecv__get__dst_buff_size(req) ? *simcall_comm_irecv__get__dst_buff_size(req) : 0;
- type = xbt_strdup("iRecv");
- p = pointer_to_string(simcall_comm_irecv__get__dst_buff(req));
- bs = buff_size_to_string(size);
- if(req->issuer->smx_host)
- args = bprintf("dst=(%lu)%s (%s), buff=%s, size=%s", req->issuer->pid, MSG_host_get_name(req->issuer->smx_host), req->issuer->name, p, bs);
+ }
+
+ case SIMCALL_COMM_IRECV: {
+ size_t* remote_size = simcall_comm_irecv__get__dst_buff_size(req);
+
+ // size_t size = size_pointer ? *size_pointer : 0;
+ size_t size = 0;
+ if (remote_size)
+ MC_process_read_simple(&mc_model_checker->process, &size,
+ remote_size, sizeof(size));
+
+ type = "iRecv";
+ char* p = pointer_to_string(simcall_comm_irecv__get__dst_buff(req));
+ char* bs = buff_size_to_string(size);
+ if (issuer->smx_host)
+ args =
+ bprintf("dst=(%lu)%s (%s), buff=%s, size=%s", issuer->pid,
+ MC_smx_process_get_host_name(issuer),
+ MC_smx_process_get_name(issuer),
+ p, bs);
else
- args = bprintf("dst=(%lu)%s, buff=%s, size=%s", req->issuer->pid, req->issuer->name, p, bs);
+ args =
+ bprintf("dst=(%lu)%s, buff=%s, size=%s", issuer->pid,
+ MC_smx_process_get_name(issuer),
+ p, bs);
+ xbt_free(bs);
+ xbt_free(p);
break;
- case SIMCALL_COMM_WAIT:
- act = simcall_comm_wait__get__comm(req);
- if(value == -1){
- type = xbt_strdup("WaitTimeout");
- p = pointer_to_string(act);
+ }
+
+ case SIMCALL_COMM_WAIT: {
+ smx_synchro_t remote_act = simcall_comm_wait__get__comm(req);
+ char* p;
+ if (value == -1) {
+ type = "WaitTimeout";
+ p = pointer_to_string(remote_act);
args = bprintf("comm=%s", p);
- }else{
- type = xbt_strdup("Wait");
- p = pointer_to_string(act);
- args = bprintf("comm=%s [(%lu)%s (%s)-> (%lu)%s (%s)]", p,
- act->comm.src_proc ? act->comm.src_proc->pid : 0,
- act->comm.src_proc ? MSG_host_get_name(act->comm.src_proc->smx_host) : "",
- act->comm.src_proc ? act->comm.src_proc->name : "",
- act->comm.dst_proc ? act->comm.dst_proc->pid : 0,
- act->comm.dst_proc ? MSG_host_get_name(act->comm.dst_proc->smx_host) : "",
- act->comm.dst_proc ? act->comm.dst_proc->name : "");
+ } else {
+ type = "Wait";
+ p = pointer_to_string(remote_act);
+
+ s_smx_synchro_t synchro;
+ MC_process_read_simple(&mc_model_checker->process, &synchro,
+ remote_act, sizeof(synchro));
+
+ smx_process_t src_proc = MC_smx_resolve_process(synchro.comm.src_proc);
+ smx_process_t dst_proc = MC_smx_resolve_process(synchro.comm.dst_proc);
+ args = bprintf("comm=%s [(%lu)%s (%s)-> (%lu)%s (%s)]", p,
+ src_proc ? src_proc->pid : 0,
+ src_proc ? MC_smx_process_get_host_name(src_proc) : "",
+ src_proc ? MC_smx_process_get_name(src_proc) : "",
+ dst_proc ? dst_proc->pid : 0,
+ dst_proc ? MC_smx_process_get_host_name(dst_proc) : "",
+ dst_proc ? MC_smx_process_get_name(dst_proc) : "");
}
+ xbt_free(p);
break;
- case SIMCALL_COMM_TEST:
- act = simcall_comm_test__get__comm(req);
- if(act->comm.src_proc == NULL || act->comm.dst_proc == NULL){
- type = xbt_strdup("Test FALSE");
- p = pointer_to_string(act);
+ }
+
+ case SIMCALL_COMM_TEST: {
+ smx_synchro_t remote_act = simcall_comm_test__get__comm(req);
+ s_smx_synchro_t synchro;
+ MC_process_read_simple(&mc_model_checker->process, &synchro,
+ remote_act, sizeof(synchro));
+
+ char* p;
+ if (synchro.comm.src_proc == NULL || synchro.comm.dst_proc == NULL) {
+ type = "Test FALSE";
+ p = pointer_to_string(remote_act);
args = bprintf("comm=%s", p);
- }else{
- type = xbt_strdup("Test TRUE");
- p = pointer_to_string(act);
- args = bprintf("comm=%s [(%lu)%s (%s) -> (%lu)%s (%s)]", p,
- act->comm.src_proc->pid, act->comm.src_proc->name, MSG_host_get_name(act->comm.src_proc->smx_host),
- act->comm.dst_proc->pid, act->comm.dst_proc->name, MSG_host_get_name(act->comm.dst_proc->smx_host));
+ } else {
+ type = "Test TRUE";
+ p = pointer_to_string(remote_act);
+
+ smx_process_t src_proc = MC_smx_resolve_process(synchro.comm.src_proc);
+ smx_process_t dst_proc = MC_smx_resolve_process(synchro.comm.dst_proc);
+ args = bprintf("comm=%s [(%lu)%s (%s) -> (%lu)%s (%s)]", p,
+ src_proc->pid,
+ MC_smx_process_get_name(src_proc),
+ MC_smx_process_get_host_name(src_proc),
+ dst_proc->pid,
+ MC_smx_process_get_name(dst_proc),
+ MC_smx_process_get_host_name(dst_proc));
}
+ xbt_free(p);
break;
+ }
- case SIMCALL_COMM_WAITANY:
- type = xbt_strdup("WaitAny");
- if(!xbt_dynar_is_empty(simcall_comm_waitany__get__comms(req))){
- p = pointer_to_string(xbt_dynar_get_as(simcall_comm_waitany__get__comms(req), value, smx_action_t));
- args = bprintf("comm=%s (%d of %lu)", p,
- value+1, xbt_dynar_length(simcall_comm_waitany__get__comms(req)));
- }else{
+ case SIMCALL_COMM_WAITANY: {
+ type = "WaitAny";
+ s_xbt_dynar_t comms;
+ MC_process_read_simple(&mc_model_checker->process,
+ &comms, simcall_comm_waitany__get__comms(req), sizeof(comms));
+ if (!xbt_dynar_is_empty(&comms)) {
+ smx_synchro_t remote_sync;
+ MC_process_read_dynar_element(&mc_model_checker->process,
+ &remote_sync, simcall_comm_waitany__get__comms(req), value);
+ char* p = pointer_to_string(remote_sync);
+ args = bprintf("comm=%s (%d of %lu)",
+ p, value + 1, xbt_dynar_length(&comms));
+ xbt_free(p);
+ } else {
args = bprintf("comm at idx %d", value);
}
break;
+ }
case SIMCALL_COMM_TESTANY:
- if(value == -1){
- type = xbt_strdup("TestAny FALSE");
+ if (value == -1) {
+ type = "TestAny FALSE";
args = xbt_strdup("-");
- }else{
- type = xbt_strdup("TestAny");
- args = bprintf("(%d of %lu)", value+1, xbt_dynar_length(simcall_comm_testany__get__comms(req)));
+ } else {
+ type = "TestAny";
+ args =
+ bprintf("(%d of %lu)", value + 1,
+ MC_process_read_dynar_length(&mc_model_checker->process,
+ simcall_comm_testany__get__comms(req)));
}
break;
+ case SIMCALL_MUTEX_LOCK: {
+ type = "Mutex LOCK";
+
+ s_smx_mutex_t mutex;
+ MC_process_read_simple(&mc_model_checker->process, &mutex,
+ simcall_mutex_lock__get__mutex(req), sizeof(mutex));
+ s_xbt_swag_t mutex_sleeping;
+ MC_process_read_simple(&mc_model_checker->process, &mutex_sleeping,
+ mutex.sleeping, sizeof(mutex_sleeping));
+
+ args = bprintf("locked = %d, owner = %d, sleeping = %d",
+ mutex.locked,
+ mutex.owner != NULL ? (int) MC_smx_resolve_process(mutex.owner)->pid : -1,
+ mutex_sleeping.count);
+ break;
+ }
+
case SIMCALL_MC_SNAPSHOT:
- type = xbt_strdup("MC_SNAPSHOT");
- args = '\0';
+ type = "MC_SNAPSHOT";
+ args = NULL;
break;
case SIMCALL_MC_COMPARE_SNAPSHOTS:
- type = xbt_strdup("MC_COMPARE_SNAPSHOTS");
- args = '\0';
+ type = "MC_COMPARE_SNAPSHOTS";
+ args = NULL;
break;
case SIMCALL_MC_RANDOM:
- type = xbt_strdup("MC_RANDOM");
+ type = "MC_RANDOM";
args = bprintf("%d", value);
break;
THROW_UNIMPLEMENTED;
}
- if(args != NULL){
- str = bprintf("[(%lu)%s (%s)] %s(%s) (%d)", req->issuer->pid , MSG_host_get_name(req->issuer->smx_host), req->issuer->name, type, args, req->call);
- }else{
- str = bprintf("[(%lu)%s (%s)] %s (%d) ", req->issuer->pid , MSG_host_get_name(req->issuer->smx_host), req->issuer->name, type, req->call);
+ char* str;
+ if (args != NULL) {
+ str =
+ bprintf("[(%lu)%s (%s)] %s(%s)", issuer->pid,
+ MC_smx_process_get_host_name(issuer),
+ MC_smx_process_get_name(issuer),
+ type, args);
+ } else {
+ str =
+ bprintf("[(%lu)%s (%s)] %s ", issuer->pid,
+ MC_smx_process_get_host_name(issuer),
+ MC_smx_process_get_name(issuer),
+ type);
}
-
xbt_free(args);
- xbt_free(type);
- xbt_free(p);
- xbt_free(bs);
return str;
}
unsigned int MC_request_testany_fail(smx_simcall_t req)
{
- unsigned int cursor;
- smx_action_t action;
-
- xbt_dynar_foreach(simcall_comm_testany__get__comms(req), cursor, action){
- if(action->comm.src_proc && action->comm.dst_proc)
+ // Remote xbt_dynar_foreach on simcall_comm_testany__get__comms(req).
+
+ // Read the dynar:
+ s_xbt_dynar_t comms;
+ MC_process_read_simple(&mc_model_checker->process,
+ &comms, simcall_comm_testany__get__comms(req), sizeof(comms));
+
+ // Read ther dynar buffer:
+ size_t buffer_size = comms.elmsize * comms.used;
+ char buffer[buffer_size];
+ MC_process_read_simple(&mc_model_checker->process,
+ buffer, comms.data, buffer_size);
+
+ // Iterate over the elements:
+ assert(comms.elmsize == sizeof(smx_synchro_t));
+ unsigned cursor;
+ for (cursor=0; cursor != comms.used; ++cursor) {
+
+ // Get the element:
+ smx_synchro_t remote_action;
+ memcpy(buffer + comms.elmsize * cursor, &remote_action, sizeof(remote_action));
+
+ // Dereference the pointer:
+ s_smx_synchro_t action;
+ MC_process_read_simple(&mc_model_checker->process,
+ &action, remote_action, sizeof(action));
+
+ // Finally so something useful about it:
+ if (action.comm.src_proc && action.comm.dst_proc)
return FALSE;
}
return TRUE;
}
-int MC_request_is_visible(smx_simcall_t req)
-{
- return req->call == SIMCALL_COMM_ISEND
- || req->call == SIMCALL_COMM_IRECV
- || req->call == SIMCALL_COMM_WAIT
- || req->call == SIMCALL_COMM_WAITANY
- || req->call == SIMCALL_COMM_TEST
- || req->call == SIMCALL_COMM_TESTANY
- || req->call == SIMCALL_MC_RANDOM
- || req->call == SIMCALL_MC_SNAPSHOT
- || req->call == SIMCALL_MC_COMPARE_SNAPSHOTS;
-}
-
-int MC_request_is_enabled(smx_simcall_t req)
+int MC_request_is_enabled_by_idx(smx_simcall_t req, unsigned int idx)
{
- unsigned int index = 0;
- smx_action_t act;
-
+ smx_synchro_t remote_act = NULL;
switch (req->call) {
case SIMCALL_COMM_WAIT:
/* FIXME: check also that src and dst processes are not suspended */
+ remote_act = simcall_comm_wait__get__comm(req);
+ break;
- /* If it has a timeout it will be always be enabled, because even if the
- * communication is not ready, it can timeout and won't block.
- * On the other hand if it hasn't a timeout, check if the comm is ready.*/
- if(simcall_comm_wait__get__timeout(req) >= 0){
- if(_sg_mc_timeout == 1){
- return TRUE;
- }else{
- act = simcall_comm_wait__get__comm(req);
- return (act->comm.src_proc && act->comm.dst_proc);
- }
- }else{
- act = simcall_comm_wait__get__comm(req);
- return (act->comm.src_proc && act->comm.dst_proc);
+ case SIMCALL_COMM_WAITANY: {
+ smx_synchro_t act;
+ MC_process_read_dynar_element(
+ &mc_model_checker->process, &act, simcall_comm_waitany__get__comms(req),
+ idx);
}
break;
- case SIMCALL_COMM_WAITANY:
- /* Check if it has at least one communication ready */
- xbt_dynar_foreach(simcall_comm_waitany__get__comms(req), index, act) {
- if (act->comm.src_proc && act->comm.dst_proc){
- return TRUE;
- }
+ case SIMCALL_COMM_TESTANY: {
+ s_smx_synchro_t act;
+ MC_process_read_dynar_element(
+ &mc_model_checker->process, &act, simcall_comm_testany__get__comms(req),
+ idx);
}
- return FALSE;
break;
default:
- /* The rest of the request are always enabled */
return TRUE;
}
-}
-
-int MC_request_is_enabled_by_idx(smx_simcall_t req, unsigned int idx)
-{
- smx_action_t act;
-
- switch (req->call) {
-
- case SIMCALL_COMM_WAIT:
- /* FIXME: check also that src and dst processes are not suspended */
- act = simcall_comm_wait__get__comm(req);
- return (act->comm.src_proc && act->comm.dst_proc);
- break;
-
- case SIMCALL_COMM_WAITANY:
- act = xbt_dynar_get_as(simcall_comm_waitany__get__comms(req), idx, smx_action_t);
- return (act->comm.src_proc && act->comm.dst_proc);
- break;
- case SIMCALL_COMM_TESTANY:
- act = xbt_dynar_get_as(simcall_comm_testany__get__comms(req), idx, smx_action_t);
- return (act->comm.src_proc && act->comm.dst_proc);
- break;
-
- default:
- return TRUE;
- }
+ s_smx_synchro_t synchro;
+ MC_process_read_simple(&mc_model_checker->process,
+ &synchro, remote_act, sizeof(synchro));
+ return synchro.comm.src_proc && synchro.comm.dst_proc;
}
int MC_process_is_enabled(smx_process_t process)
{
- if (process->simcall.call != SIMCALL_NONE && MC_request_is_enabled(&process->simcall))
- return TRUE;
-
- return FALSE;
+ return MC_request_is_enabled(&process->simcall);
}
-char *MC_request_get_dot_output(smx_simcall_t req, int value){
+char *MC_request_get_dot_output(smx_simcall_t req, int value)
+{
+ char *label = NULL;
- char *str = NULL, *label = NULL;
- smx_action_t act = NULL;
+ const smx_process_t issuer = MC_smx_simcall_get_issuer(req);
- switch(req->call){
+ switch (req->call) {
case SIMCALL_COMM_ISEND:
- if(req->issuer->smx_host)
- label = bprintf("[(%lu)%s] iSend", req->issuer->pid, MSG_host_get_name(req->issuer->smx_host));
+ if (issuer->smx_host)
+ label =
+ bprintf("[(%lu)%s] iSend", issuer->pid,
+ MC_smx_process_get_host_name(issuer));
else
- label = bprintf("[(%lu)] iSend", req->issuer->pid);
+ label = bprintf("[(%lu)] iSend", issuer->pid);
break;
-
+
case SIMCALL_COMM_IRECV:
- if(req->issuer->smx_host)
- label = bprintf("[(%lu)%s] iRecv", req->issuer->pid, MSG_host_get_name(req->issuer->smx_host));
+ if (issuer->smx_host)
+ label =
+ bprintf("[(%lu)%s] iRecv", issuer->pid,
+ MC_smx_process_get_host_name(issuer));
else
- label = bprintf("[(%lu)] iRecv", req->issuer->pid);
+ label = bprintf("[(%lu)] iRecv", issuer->pid);
break;
-
- case SIMCALL_COMM_WAIT:
- act = simcall_comm_wait__get__comm(req);
- if(value == -1){
- if(req->issuer->smx_host)
- label = bprintf("[(%lu)%s] WaitTimeout", req->issuer->pid, MSG_host_get_name(req->issuer->smx_host));
+
+ case SIMCALL_COMM_WAIT: {
+ if (value == -1) {
+ if (issuer->smx_host)
+ label =
+ bprintf("[(%lu)%s] WaitTimeout", issuer->pid,
+ MC_smx_process_get_host_name(issuer));
else
- label = bprintf("[(%lu)] WaitTimeout", req->issuer->pid);
- }else{
- if(req->issuer->smx_host)
- label = bprintf("[(%lu)%s] Wait [(%lu)->(%lu)]", req->issuer->pid, MSG_host_get_name(req->issuer->smx_host), act->comm.src_proc ? act->comm.src_proc->pid : 0, act->comm.dst_proc ? act->comm.dst_proc->pid : 0);
+ label = bprintf("[(%lu)] WaitTimeout", issuer->pid);
+ } else {
+ smx_synchro_t remote_act = simcall_comm_wait__get__comm(req);
+ s_smx_synchro_t synchro;
+ MC_process_read_simple(&mc_model_checker->process, &synchro,
+ remote_act, sizeof(synchro));
+
+ smx_process_t src_proc = MC_smx_resolve_process(synchro.comm.src_proc);
+ smx_process_t dst_proc = MC_smx_resolve_process(synchro.comm.dst_proc);
+ if (issuer->smx_host)
+ label =
+ bprintf("[(%lu)%s] Wait [(%lu)->(%lu)]", issuer->pid,
+ MC_smx_process_get_host_name(issuer),
+ src_proc ? src_proc->pid : 0,
+ dst_proc ? dst_proc->pid : 0);
else
- label = bprintf("[(%lu)] Wait [(%lu)->(%lu)]", req->issuer->pid, act->comm.src_proc ? act->comm.src_proc->pid : 0, act->comm.dst_proc ? act->comm.dst_proc->pid : 0);
+ label =
+ bprintf("[(%lu)] Wait [(%lu)->(%lu)]", issuer->pid,
+ src_proc ? src_proc->pid : 0,
+ dst_proc ? dst_proc->pid : 0);
}
break;
-
- case SIMCALL_COMM_TEST:
- act = simcall_comm_test__get__comm(req);
- if(act->comm.src_proc == NULL || act->comm.dst_proc == NULL){
- if(req->issuer->smx_host)
- label = bprintf("[(%lu)%s] Test FALSE", req->issuer->pid, MSG_host_get_name(req->issuer->smx_host));
+ }
+
+ case SIMCALL_COMM_TEST: {
+ smx_synchro_t remote_act = simcall_comm_test__get__comm(req);
+ s_smx_synchro_t synchro;
+ MC_process_read_simple(&mc_model_checker->process, &synchro,
+ remote_act, sizeof(synchro));
+ if (synchro.comm.src_proc == NULL || synchro.comm.dst_proc == NULL) {
+ if (issuer->smx_host)
+ label =
+ bprintf("[(%lu)%s] Test FALSE", issuer->pid,
+ MC_smx_process_get_host_name(issuer));
else
- label = bprintf("[(%lu)] Test FALSE", req->issuer->pid);
- }else{
- if(req->issuer->smx_host)
- label = bprintf("[(%lu)%s] Test TRUE", req->issuer->pid, MSG_host_get_name(req->issuer->smx_host));
+ label = bprintf("[(%lu)] Test FALSE", issuer->pid);
+ } else {
+ if (issuer->smx_host)
+ label =
+ bprintf("[(%lu)%s] Test TRUE", issuer->pid,
+ MC_smx_process_get_host_name(issuer));
else
- label = bprintf("[(%lu)] Test TRUE", req->issuer->pid);
+ label = bprintf("[(%lu)] Test TRUE", issuer->pid);
}
break;
+ }
- case SIMCALL_COMM_WAITANY:
- if(req->issuer->smx_host)
- label = bprintf("[(%lu)%s] WaitAny [%d of %lu]", req->issuer->pid, MSG_host_get_name(req->issuer->smx_host), value+1, xbt_dynar_length(simcall_comm_waitany__get__comms(req)));
+ case SIMCALL_COMM_WAITANY: {
+ unsigned long comms_size = MC_process_read_dynar_length(
+ &mc_model_checker->process, simcall_comm_waitany__get__comms(req));
+ if (issuer->smx_host)
+ label =
+ bprintf("[(%lu)%s] WaitAny [%d of %lu]", issuer->pid,
+ MC_smx_process_get_host_name(issuer), value + 1,
+ comms_size);
else
- label = bprintf("[(%lu)] WaitAny [%d of %lu]", req->issuer->pid, value+1, xbt_dynar_length(simcall_comm_waitany__get__comms(req)));
+ label =
+ bprintf("[(%lu)] WaitAny [%d of %lu]", issuer->pid, value + 1,
+ comms_size);
break;
-
+ }
+
case SIMCALL_COMM_TESTANY:
- if(value == -1){
- if(req->issuer->smx_host)
- label = bprintf("[(%lu)%s] TestAny FALSE", req->issuer->pid, MSG_host_get_name(req->issuer->smx_host));
+ if (value == -1) {
+ if (issuer->smx_host)
+ label =
+ bprintf("[(%lu)%s] TestAny FALSE", issuer->pid,
+ MC_smx_process_get_host_name(issuer));
else
- label = bprintf("[(%lu)] TestAny FALSE", req->issuer->pid);
- }else{
- if(req->issuer->smx_host)
- label = bprintf("[(%lu)%s] TestAny TRUE [%d of %lu]", req->issuer->pid, MSG_host_get_name(req->issuer->smx_host), value+1, xbt_dynar_length(simcall_comm_testany__get__comms(req)));
+ label = bprintf("[(%lu)] TestAny FALSE", issuer->pid);
+ } else {
+ if (issuer->smx_host)
+ label =
+ bprintf("[(%lu)%s] TestAny TRUE [%d of %lu]", issuer->pid,
+ MC_smx_process_get_host_name(issuer), value + 1,
+ xbt_dynar_length(simcall_comm_testany__get__comms(req)));
else
- label = bprintf("[(%lu)] TestAny TRUE [%d of %lu]", req->issuer->pid, value+1, xbt_dynar_length(simcall_comm_testany__get__comms(req)));
+ label =
+ bprintf("[(%lu)] TestAny TRUE [%d of %lu]", issuer->pid,
+ value + 1,
+ xbt_dynar_length(simcall_comm_testany__get__comms(req)));
}
break;
+ case SIMCALL_MUTEX_LOCK:
+ label = bprintf("[(%lu)] Mutex LOCK", req->issuer->pid);
+ break;
+
case SIMCALL_MC_RANDOM:
- if(req->issuer->smx_host)
- label = bprintf("[(%lu)%s] MC_RANDOM (%d)", req->issuer->pid, MSG_host_get_name(req->issuer->smx_host), value);
+ if (issuer->smx_host)
+ label =
+ bprintf("[(%lu)%s] MC_RANDOM (%d)", issuer->pid,
+ MC_smx_process_get_host_name(issuer), value);
else
- label = bprintf("[(%lu)] MC_RANDOM (%d)", req->issuer->pid, value);
+ label = bprintf("[(%lu)] MC_RANDOM (%d)", issuer->pid, value);
break;
case SIMCALL_MC_SNAPSHOT:
- if(req->issuer->smx_host)
- label = bprintf("[(%lu)%s] MC_SNAPSHOT", req->issuer->pid, MSG_host_get_name(req->issuer->smx_host));
+ if (issuer->smx_host)
+ label =
+ bprintf("[(%lu)%s] MC_SNAPSHOT", issuer->pid,
+ MC_smx_process_get_host_name(issuer));
else
- label = bprintf("[(%lu)] MC_SNAPSHOT", req->issuer->pid);
+ label = bprintf("[(%lu)] MC_SNAPSHOT", issuer->pid);
break;
case SIMCALL_MC_COMPARE_SNAPSHOTS:
- if(req->issuer->smx_host)
- label = bprintf("[(%lu)%s] MC_COMPARE_SNAPSHOTS", req->issuer->pid, MSG_host_get_name(req->issuer->smx_host));
+ if (issuer->smx_host)
+ label =
+ bprintf("[(%lu)%s] MC_COMPARE_SNAPSHOTS", issuer->pid,
+ MC_smx_process_get_host_name(issuer));
else
- label = bprintf("[(%lu)] MC_COMPARE_SNAPSHOTS", req->issuer->pid);
+ label = bprintf("[(%lu)] MC_COMPARE_SNAPSHOTS", issuer->pid);
break;
default:
THROW_UNIMPLEMENTED;
}
- str = bprintf("label = \"%s\", color = %s, fontcolor = %s", label, colors[req->issuer->pid-1], colors[req->issuer->pid-1]);
+ char* str =
+ bprintf("label = \"%s\", color = %s, fontcolor = %s", label,
+ colors[issuer->pid - 1], colors[issuer->pid - 1]);
xbt_free(label);
return str;
