/* 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"
SIMCALL_COMM_ISEND ? simcall_comm_isend__get__rdv(r1) :
simcall_comm_irecv__get__rdv(r1);
- // FIXME, remote access to comm object
-
if (rdv != synchro2.comm.rdv_cpy
&& simcall_comm_wait__get__timeout(r2) <= 0)
return FALSE;
char *MC_request_to_string(smx_simcall_t req, int value)
{
const char* type = NULL;
- char *args = NULL, *str = NULL, *p = NULL, *bs = NULL;
- smx_synchro_t act = NULL;
- smx_mutex_t mutex = NULL;
- size_t size = 0;
+ char *args = NULL;
smx_process_t issuer = MC_smx_simcall_get_issuer(req);
switch (req->call) {
- case SIMCALL_COMM_ISEND:
+
+ case SIMCALL_COMM_ISEND: {
type = "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));
+ 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,
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:
- // TODO, REMOTE(*simcall_comm_irecv__get__dst_buff_size(req))
- size =
- simcall_comm_irecv__get__dst_buff_size(req) ?
- *simcall_comm_irecv__get__dst_buff_size(req) : 0;
+ }
+
+ 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";
- p = pointer_to_string(simcall_comm_irecv__get__dst_buff(req));
- bs = buff_size_to_string(size);
+ 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,
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);
+ }
+
+ 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(act);
+ p = pointer_to_string(remote_act);
args = bprintf("comm=%s", p);
} else {
type = "Wait";
- p = pointer_to_string(act);
- // TODO, fix remote access to comm
- smx_process_t src_proc = MC_smx_resolve_process(act->comm.src_proc);
- smx_process_t dst_proc = MC_smx_resolve_process(act->comm.dst_proc);
+ 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) : "",
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) {
+ }
+
+ 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(act);
+ p = pointer_to_string(remote_act);
args = bprintf("comm=%s", p);
} else {
type = "Test TRUE";
- p = pointer_to_string(act);
- // TODO, get process, get process name
- smx_process_t src_proc = MC_smx_resolve_process(act->comm.src_proc);
- smx_process_t dst_proc = MC_smx_resolve_process(act->comm.dst_proc);
+ 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_name(dst_proc),
MC_smx_process_get_host_name(dst_proc));
}
+ xbt_free(p);
break;
+ }
- case SIMCALL_COMM_WAITANY:
+ case SIMCALL_COMM_WAITANY: {
type = "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_synchro_t));
- args =
- bprintf("comm=%s (%d of %lu)", p, value + 1,
- xbt_dynar_length(simcall_comm_waitany__get__comms(req)));
+ 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 = "TestAny";
args =
bprintf("(%d of %lu)", value + 1,
- xbt_dynar_length(simcall_comm_testany__get__comms(req)));
+ MC_process_read_dynar_length(&mc_model_checker->process,
+ simcall_comm_testany__get__comms(req)));
}
break;
- case SIMCALL_MUTEX_LOCK:
- mutex = simcall_mutex_lock__get__mutex(req);
+ case SIMCALL_MUTEX_LOCK: {
type = "Mutex LOCK";
- args = bprintf("locked = %d, owner = %d, sleeping = %d", mutex->locked, mutex->owner != NULL ? (int)mutex->owner->pid : -1, xbt_swag_size(mutex->sleeping));
+
+ 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 = "MC_SNAPSHOT";
THROW_UNIMPLEMENTED;
}
+ char* str;
if (args != NULL) {
- // FIXME, get process name
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 {
- // FIXME, get process name
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(p);
- xbt_free(bs);
return str;
}
unsigned int MC_request_testany_fail(smx_simcall_t req)
{
- unsigned int cursor;
- smx_synchro_t action;
-
- xbt_dynar_foreach(simcall_comm_testany__get__comms(req), cursor, action) {
- // FIXME, remote access to comm object
- 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;
}
int MC_request_is_enabled_by_idx(smx_simcall_t req, unsigned int idx)
{
- smx_synchro_t act;
-
- // FIXME, remote access to comm object
-
+ smx_synchro_t remote_act = NULL;
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);
+ remote_act = simcall_comm_wait__get__comm(req);
break;
- case SIMCALL_COMM_WAITANY:
- act =
- xbt_dynar_get_as(simcall_comm_waitany__get__comms(req), idx,
- smx_synchro_t);
- 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_TESTANY:
- act =
- xbt_dynar_get_as(simcall_comm_testany__get__comms(req), idx,
- smx_synchro_t);
- return (act->comm.src_proc && act->comm.dst_proc);
+ 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);
+ }
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)
char *MC_request_get_dot_output(smx_simcall_t req, int value)
{
- char *str = NULL, *label = NULL;
- smx_synchro_t act = NULL;
+ char *label = NULL;
const smx_process_t issuer = MC_smx_simcall_get_issuer(req);
label = bprintf("[(%lu)] iRecv", issuer->pid);
break;
- case SIMCALL_COMM_WAIT:
- act = simcall_comm_wait__get__comm(req);
+ case SIMCALL_COMM_WAIT: {
if (value == -1) {
if (issuer->smx_host)
label =
else
label = bprintf("[(%lu)] WaitTimeout", issuer->pid);
} else {
- // FIXME, remote access to act->comm
- smx_process_t src_proc = MC_smx_resolve_process(act->comm.src_proc);
- smx_process_t dst_proc = MC_smx_resolve_process(act->comm.dst_proc);
+ 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,
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) {
+ 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,
label = bprintf("[(%lu)] Test TRUE", issuer->pid);
}
break;
+ }
- case SIMCALL_COMM_WAITANY:
+ 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,
- xbt_dynar_length(simcall_comm_waitany__get__comms(req)));
+ comms_size);
else
label =
bprintf("[(%lu)] WaitAny [%d of %lu]", issuer->pid, value + 1,
- xbt_dynar_length(simcall_comm_waitany__get__comms(req)));
+ comms_size);
break;
+ }
case SIMCALL_COMM_TESTANY:
if (value == -1) {
THROW_UNIMPLEMENTED;
}
- str =
+ char* str =
bprintf("label = \"%s\", color = %s, fontcolor = %s", label,
colors[issuer->pid - 1], colors[issuer->pid - 1]);
xbt_free(label);
