1 /* Copyright (c) 2008-2012 Da SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
6 #include "../simix/smx_private.h"
8 #include "mc_private.h"
11 * \brief Creates a state data structure used by the exploration algorithm
13 mc_state_t MC_state_new(void)
15 mc_state_t state = NULL;
17 state = xbt_new0(s_mc_state_t, 1);
18 state->max_pid = simix_process_maxpid;
19 state->proc_status = xbt_new0(s_mc_procstate_t, state->max_pid);
21 mc_stats->expanded_states++;
25 mc_state_t MC_state_pair_new(void)
27 mc_state_t state = NULL;
29 state = xbt_new0(s_mc_state_t, 1);
30 state->max_pid = simix_process_maxpid;
31 state->proc_status = xbt_new0(s_mc_procstate_t, state->max_pid);
33 //mc_stats->expanded_states++;
38 * \brief Deletes a state data structure
39 * \param trans The state to be deleted
41 void MC_state_delete(mc_state_t state)
43 xbt_free(state->proc_status);
47 void MC_state_interleave_process(mc_state_t state, smx_process_t process)
49 state->proc_status[process->pid].state = MC_INTERLEAVE;
50 state->proc_status[process->pid].interleave_count = 0;
53 unsigned int MC_state_interleave_size(mc_state_t state)
55 unsigned int i, size=0;
57 for(i=0; i < state->max_pid; i++){
58 if(state->proc_status[i].state == MC_INTERLEAVE)
65 int MC_state_process_is_done(mc_state_t state, smx_process_t process){
66 return state->proc_status[process->pid].state == MC_DONE ? TRUE : FALSE;
69 void MC_state_set_executed_request(mc_state_t state, smx_simcall_t req, int value)
71 state->executed_req = *req;
72 state->req_num = value;
74 /* The waitany and testany request are transformed into a wait or test request over the
75 * corresponding communication action so it can be treated later by the dependence
78 case SIMCALL_COMM_WAITANY:
79 state->internal_req.call = SIMCALL_COMM_WAIT;
80 state->internal_req.issuer = req->issuer;
81 state->internal_comm = *xbt_dynar_get_as(req->comm_waitany.comms, value, smx_action_t);
82 state->internal_req.comm_wait.comm = &state->internal_comm;
83 state->internal_req.comm_wait.timeout = 0;
86 case SIMCALL_COMM_TESTANY:
87 state->internal_req.call = SIMCALL_COMM_TEST;
88 state->internal_req.issuer = req->issuer;
91 state->internal_comm = *xbt_dynar_get_as(req->comm_testany.comms, value, smx_action_t);
93 state->internal_req.comm_wait.comm = &state->internal_comm;
94 state->internal_req.comm_test.result = value;
97 case SIMCALL_COMM_WAIT:
98 state->internal_req = *req;
99 state->internal_comm = *(req->comm_wait.comm);
100 state->executed_req.comm_wait.comm = &state->internal_comm;
101 state->internal_req.comm_wait.comm = &state->internal_comm;
104 case SIMCALL_COMM_TEST:
105 state->internal_req = *req;
106 state->internal_comm = *req->comm_test.comm;
107 state->executed_req.comm_test.comm = &state->internal_comm;
108 state->internal_req.comm_test.comm = &state->internal_comm;
112 state->internal_req = *req;
117 smx_simcall_t MC_state_get_executed_request(mc_state_t state, int *value)
119 *value = state->req_num;
120 return &state->executed_req;
123 smx_simcall_t MC_state_get_internal_request(mc_state_t state)
125 return &state->internal_req;
128 smx_simcall_t MC_state_get_request(mc_state_t state, int *value)
130 smx_process_t process = NULL;
131 mc_procstate_t procstate = NULL;
132 unsigned int start_count;
134 xbt_swag_foreach(process, simix_global->process_list){
135 procstate = &state->proc_status[process->pid];
137 if(procstate->state == MC_INTERLEAVE){
138 if(MC_process_is_enabled(process)){
139 switch(process->simcall.call){
140 case SIMCALL_COMM_WAITANY:
142 while(procstate->interleave_count < xbt_dynar_length(process->simcall.comm_waitany.comms)){
143 if(MC_request_is_enabled_by_idx(&process->simcall, procstate->interleave_count++)){
144 *value = procstate->interleave_count-1;
149 if(procstate->interleave_count >= xbt_dynar_length(process->simcall.comm_waitany.comms))
150 procstate->state = MC_DONE;
153 return &process->simcall;
157 case SIMCALL_COMM_TESTANY:
158 start_count = procstate->interleave_count;
160 while(procstate->interleave_count < xbt_dynar_length(process->simcall.comm_testany.comms)){
161 if(MC_request_is_enabled_by_idx(&process->simcall, procstate->interleave_count++)){
162 *value = procstate->interleave_count - 1;
167 if(procstate->interleave_count >= xbt_dynar_length(process->simcall.comm_testany.comms))
168 procstate->state = MC_DONE;
170 if(*value != -1 || start_count == 0)
171 return &process->simcall;
175 case SIMCALL_COMM_WAIT:
176 if(process->simcall.comm_wait.comm->comm.src_proc
177 && process->simcall.comm_wait.comm->comm.dst_proc){
182 procstate->state = MC_DONE;
183 return &process->simcall;
188 procstate->state = MC_DONE;
190 return &process->simcall;