static void myth_eco_sched_loop(myth_running_env_t env) {
// printf("%d\n",FINISH);
while (1) {
//sched_yield();
myth_thread_t next_run;
//Get runnable thread
next_run=myth_queue_pop(&env->runnable_q);
#ifdef MYTH_WRAP_SOCKIO
//If there is no runnable thread, check I/O
if (!next_run){
next_run=myth_io_polling(env);
}
#endif
//If there is no runnable thread after I/O checking, try work-stealing
if (!next_run){
//next_run=myth_steal_from_others(env);
//next_run=g_myth_steal_func(env->rank);
next_run=myth_eco_steal(env->rank);
}
if ((worker_cond_t)next_run == FINISH) { //next_run == FINISH
if(env->rank != 0) {
env->this_thread=NULL;
return;
} else {
while(1) {
int temp = 0;
int j;
for(j = 1; j < g_worker_thread_num; j++) {
if(g_envs[j].c != EXITED) {
temp = 1;
}
}
if(temp == 0) return;
}
}
}
if (next_run)
{
//sanity check
myth_assert(next_run->status==MYTH_STATUS_READY);
env->this_thread=next_run;
next_run->env=env;
//Switch to runnable thread
#ifdef MYTH_SCHED_LOOP_DEBUG
myth_dprintf("myth_sched_loop:switching to thread:%p\n",next_run);
#endif
myth_assert(next_run->status==MYTH_STATUS_READY);
myth_swap_context(&env->sched.context, &next_run->context);
#ifdef MYTH_SCHED_LOOP_DEBUG
myth_dprintf("myth_sched_loop:returned from thread:%p\n",(void*)next_run);
#endif
env->this_thread=NULL;
}
//Check exit flag
if (env->exit_flag==1){
if(env->rank == 0)
while(1) {
int temp = 0;
int j;
for(j = 1; j < g_worker_thread_num; j++) {
if(g_envs[j].c != EXITED) {
temp = 1;
}
}
if(temp == 0) return;
}
env->this_thread=NULL;
#ifdef MYTH_SCHED_LOOP_DEBUG
myth_dprintf("env %p received exit signal,exiting\n",env);
#endif
return;
}
}
}
myth_thread_t myth_wsapi_runqueue_pop(void)
{
myth_running_env_t env=myth_get_current_env();
return myth_queue_pop(&env->runnable_q);
}
