-/* Copyright (c) 2008-2014. The SimGrid Team.
+/* Copyright (c) 2008-2015. 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 <cassert>
-#include "mc_request.h"
-#include "mc_safety.h"
-#include "mc_private.h"
-#include "mc_smx.h"
-#include "mc_xbt.hpp"
+#include <xbt/log.h>
+#include <xbt/str.h>
+#include <xbt/sysdep.h>
+#include <xbt/dynar.h>
+
+#include "src/mc/mc_request.h"
+#include "src/mc/mc_safety.h"
+#include "src/mc/mc_private.h"
+#include "src/mc/mc_smx.h"
+#include "src/mc/mc_xbt.hpp"
using simgrid::mc::remote;
static char *pointer_to_string(void *pointer);
static char *buff_size_to_string(size_t size);
-// Those are MC_state_get_internal_request(state)
-int MC_request_depend(smx_simcall_t r1, smx_simcall_t r2)
+static inline
+smx_synchro_t MC_get_comm(smx_simcall_t r)
{
- if (mc_reduce_kind == e_mc_reduce_none)
- return TRUE;
-
- if (r1->issuer == r2->issuer)
- return FALSE;
+ switch (r->call ) {
+ case SIMCALL_COMM_WAIT:
+ return simcall_comm_wait__get__comm(r);
+ case SIMCALL_COMM_TEST:
+ return simcall_comm_test__get__comm(r);
+ default:
+ return nullptr;
+ }
+}
- /* 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;
+static inline
+smx_rdv_t MC_get_rdv(smx_simcall_t r)
+{
+ switch(r->call) {
+ case SIMCALL_COMM_ISEND:
+ return simcall_comm_isend__get__rdv(r);
+ case SIMCALL_COMM_IRECV:
+ return simcall_comm_irecv__get__rdv(r);
+ default:
+ return nullptr;
+ }
+}
+// Does half the job
+static inline
+int MC_request_depend_asymmetric(smx_simcall_t r1, smx_simcall_t r2)
+{
if (r1->call == SIMCALL_COMM_ISEND && r2->call == SIMCALL_COMM_IRECV)
return FALSE;
// Those are internal requests, we do not need indirection
// because those objects are copies:
- smx_synchro_t synchro1 = NULL, synchro2 = NULL;
- if (r1->call == SIMCALL_COMM_WAIT) {
- synchro1 = simcall_comm_wait__get__comm(r1);
- }
- if (r2->call == SIMCALL_COMM_WAIT) {
- synchro2 = simcall_comm_wait__get__comm(r2);
- }
- if (r1->call == SIMCALL_COMM_TEST) {
- synchro1 = simcall_comm_test__get__comm(r1);
- }
- if (r2->call == SIMCALL_COMM_TEST) {
- synchro2 = simcall_comm_test__get__comm(r2);
- }
+ smx_synchro_t synchro1 = MC_get_comm(r1);
+ smx_synchro_t synchro2 = MC_get_comm(r2);
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 = MC_get_rdv(r1);
if (rdv != synchro2->comm.rdv_cpy
&& 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) {
-
- smx_rdv_t rdv =
- r2->call ==
- SIMCALL_COMM_ISEND ? simcall_comm_isend__get__rdv(r2) :
- simcall_comm_irecv__get__rdv(r2);
-
- if (rdv != synchro1->comm.rdv_cpy
- && 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)
- && (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)
- && (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;
- }
-
/* FIXME: the following rule assumes that the result of the
* isend/irecv call is not stored in a buffer used in the
* test call. */
&& 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; */
-
- 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))
- return FALSE;
-
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)
- && (synchro2->comm.src_proc == NULL || synchro2->comm.dst_proc == NULL))
- return FALSE;
-
- 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
- && 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)
+ && (synchro1->comm.src_proc == nullptr || synchro1->comm.dst_proc == NULL))
return FALSE;
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
- || synchro2->comm.src_buff == NULL
- || synchro2->comm.dst_buff == NULL))
+ (simcall_comm_test__get__comm(r1) == nullptr
+ || synchro1->comm.src_buff == nullptr
+ || synchro1->comm.dst_buff == nullptr))
return FALSE;
if (r1->call == SIMCALL_COMM_TEST && r2->call == SIMCALL_COMM_WAIT
return FALSE;
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
- && synchro1->comm.src_buff != NULL
- && synchro1->comm.dst_buff != NULL
- && synchro2->comm.src_buff != NULL
- && synchro2->comm.dst_buff != NULL
+ && synchro1->comm.src_buff != nullptr
+ && synchro1->comm.dst_buff != nullptr
+ && synchro2->comm.src_buff != nullptr
+ && synchro2->comm.dst_buff != nullptr
&& 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
- && 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 TRUE;
+}
+
+// Those are MC_state_get_internal_request(state)
+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 TRUE;
+ /* 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 != r2->call)
+ return MC_request_depend_asymmetric(r1, r2)
+ && MC_request_depend_asymmetric(r2, r1);
+
+ // Those are internal requests, we do not need indirection
+ // because those objects are copies:
+ smx_synchro_t synchro1 = MC_get_comm(r1);
+ smx_synchro_t synchro2 = MC_get_comm(r2);
+
+ switch(r1->call) {
+ case SIMCALL_COMM_ISEND:
+ return simcall_comm_isend__get__rdv(r1) == simcall_comm_isend__get__rdv(r2);
+ case SIMCALL_COMM_IRECV:
+ return simcall_comm_irecv__get__rdv(r1) == simcall_comm_irecv__get__rdv(r2);
+ case SIMCALL_COMM_WAIT:
+ if (synchro1->comm.src_buff == synchro2->comm.src_buff
+ && synchro1->comm.dst_buff == synchro2->comm.dst_buff)
+ return FALSE;
+ else if (synchro1->comm.src_buff != nullptr
+ && synchro1->comm.dst_buff != nullptr
+ && synchro2->comm.src_buff != nullptr
+ && synchro2->comm.dst_buff != nullptr
+ && 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;
+ else
+ return TRUE;
+ default:
+ return TRUE;
+ }
}
static char *pointer_to_string(void *pointer)
break;
}
- const char* type = NULL;
- char *args = NULL;
+ const char* type = nullptr;
+ char *args = nullptr;
smx_process_t issuer = MC_smx_simcall_get_issuer(req);
act = remote_act;
char* p;
- if (act->comm.src_proc == NULL || act->comm.dst_proc == NULL) {
+ if (act->comm.src_proc == nullptr || act->comm.dst_proc == NULL) {
type = "Test FALSE";
p = pointer_to_string(remote_act);
args = bprintf("comm=%s", p);
}
break;
+ case SIMCALL_MUTEX_TRYLOCK:
case SIMCALL_MUTEX_LOCK: {
- type = "Mutex LOCK";
+ if (req->call == SIMCALL_MUTEX_LOCK)
+ type = "Mutex LOCK";
+ else
+ type = "Mutex TRYLOCK";
s_smx_mutex_t mutex;
mc_model_checker->process().read_bytes(&mutex, sizeof(mutex),
- remote(simcall_mutex_lock__get__mutex(req)));
+ remote(
+ req->call == SIMCALL_MUTEX_LOCK
+ ? simcall_mutex_lock__get__mutex(req)
+ : simcall_mutex_trylock__get__mutex(req)
+ ));
s_xbt_swag_t mutex_sleeping;
mc_model_checker->process().read_bytes(&mutex_sleeping, sizeof(mutex_sleeping),
remote(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.owner != nullptr ? (int) MC_smx_resolve_process(mutex.owner)->pid : -1,
mutex_sleeping.count);
break;
}
case SIMCALL_MC_SNAPSHOT:
type = "MC_SNAPSHOT";
- args = NULL;
+ args = nullptr;
break;
case SIMCALL_MC_COMPARE_SNAPSHOTS:
type = "MC_COMPARE_SNAPSHOTS";
- args = NULL;
+ args = nullptr;
break;
case SIMCALL_MC_RANDOM:
}
char* str;
- if (args != NULL) {
+ if (args != nullptr) {
str =
bprintf("[(%lu)%s (%s)] %s(%s)", issuer->pid,
MC_smx_process_get_host_name(issuer),
for (cursor=0; cursor != comms.used; ++cursor) {
// Get the element:
- smx_synchro_t remote_action = NULL;
+ smx_synchro_t remote_action = nullptr;
memcpy(&remote_action, buffer + comms.elmsize * cursor, sizeof(remote_action));
// Dereference the pointer:
int MC_request_is_enabled_by_idx(smx_simcall_t req, unsigned int idx)
{
- smx_synchro_t remote_act = NULL;
+ smx_synchro_t remote_act = nullptr;
switch (req->call) {
case SIMCALL_COMM_WAIT:
char *MC_request_get_dot_output(smx_simcall_t req, int value)
{
- char *label = NULL;
+ char *label = nullptr;
const smx_process_t issuer = MC_smx_simcall_get_issuer(req);
s_smx_synchro_t synchro;
mc_model_checker->process().read_bytes(&synchro,
sizeof(synchro), remote(remote_act));
- if (synchro.comm.src_proc == NULL || synchro.comm.dst_proc == NULL) {
+ if (synchro.comm.src_proc == nullptr || synchro.comm.dst_proc == NULL) {
if (issuer->host)
label =
bprintf("[(%lu)%s] Test FALSE", issuer->pid,
}
break;
+ case SIMCALL_MUTEX_TRYLOCK:
+ label = bprintf("[(%lu)] Mutex TRYLOCK", issuer->pid);
+ break;
+
case SIMCALL_MUTEX_LOCK:
- label = bprintf("[(%lu)] Mutex LOCK", req->issuer->pid);
+ label = bprintf("[(%lu)] Mutex LOCK", issuer->pid);
break;
case SIMCALL_MC_RANDOM:
