/*
* pthread_barrier hooks
*/
int reeact_policy_pthread_barrier_init(void *barrier, void *attr,
unsigned count)
{
#ifdef _REEACT_DEFAULT_POLICY_
return real_pthread_barrier_init((pthread_barrier_t*)barrier,
(pthread_barrierattr_t*)attr,
count);
#else
// TODO: add user-policy here
return 0;
#endif
}
//Initialize specifying the number of worker threads
//If specified less than 1, MYTH_WORKER_NUM or the number of CPU cores used instead.
int myth_init_ex_body(int worker_num, size_t def_stack_size)
{
intptr_t nthreads;
myth_init_process_affinity_info();
//Load original functions
//myth_get_original_funcs();
//Decide the number of worker threads.
//If environment variable is set, use it. Otherwise use the number of CPU cores.
char *env;
env=getenv(ENV_MYTH_WORKER_NUM);
nthreads=(worker_num>0)?worker_num:-1;
if (nthreads<=0 && env){nthreads=atoi(env);}
if (nthreads<=0){nthreads=myth_get_cpu_num();}
g_worker_thread_num=nthreads;
//set default stack size
size_t s;
env=getenv(ENV_MYTH_DEF_STKSIZE);
s=def_stack_size;
if (s==0 && env){
s=atoi(env);
}
if (s>0){myth_set_def_stack_size_body(s);}
//Initialize logger
myth_log_init();
//Initialize memory allocators
myth_flmalloc_init(nthreads);
myth_malloc_wrapper_init(nthreads);
#ifdef MYTH_WRAP_SOCKIO
//Initialize I/O
myth_io_init();
#endif
//Initialize TLS
myth_tls_init(nthreads);
//Create barrier
real_pthread_barrier_init(&g_worker_barrier,NULL,nthreads);
//Allocate worker thread descriptors
g_envs=myth_malloc(sizeof(myth_running_env)*nthreads);
//Initialize TLS for worker thread descriptor
myth_env_init();
return nthreads;
}
