static int
native_thread_create(rb_thread_t *th)
{
int err = 0;
if (use_cached_thread(th)) {
thread_debug("create (use cached thread): %p\n", (void *)th);
}
else {
pthread_attr_t attr;
size_t stack_size = 512 * 1024; /* 512KB */
size_t space;
#ifdef PTHREAD_STACK_MIN
if (stack_size < PTHREAD_STACK_MIN) {
stack_size = PTHREAD_STACK_MIN * 2;
}
#endif
space = stack_size/5;
if (space > 1024*1024) space = 1024*1024;
th->machine_stack_maxsize = stack_size - space;
#ifdef __ia64
th->machine_stack_maxsize /= 2;
th->machine_register_stack_maxsize = th->machine_stack_maxsize;
#endif
CHECK_ERR(pthread_attr_init(&attr));
#ifdef PTHREAD_STACK_MIN
thread_debug("create - stack size: %lu\n", (unsigned long)stack_size);
CHECK_ERR(pthread_attr_setstacksize(&attr, stack_size));
#endif
#ifdef HAVE_PTHREAD_ATTR_SETINHERITSCHED
CHECK_ERR(pthread_attr_setinheritsched(&attr, PTHREAD_INHERIT_SCHED));
#endif
CHECK_ERR(pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED));
err = pthread_create(&th->thread_id, &attr, thread_start_func_1, th);
thread_debug("create: %p (%d)", (void *)th, err);
CHECK_ERR(pthread_attr_destroy(&attr));
if (!err) {
pthread_cond_init(&th->native_thread_data.sleep_cond, 0);
}
else {
st_delete_wrap(th->vm->living_threads, th->self);
th->status = THREAD_KILLED;
rb_raise(rb_eThreadError, "can't create Thread (%d)", err);
}
}
return err;
}
static int
native_thread_create(rb_thread_t *th)
{
size_t stack_size = 4 * 1024; /* 4KB */
th->thread_id = w32_create_thread(stack_size, thread_start_func_1, th);
if ((th->thread_id) == 0) {
st_delete_wrap(th->vm->living_threads, th->self);
rb_raise(rb_eThreadError, "can't create Thread (%d)", errno);
}
w32_resume_thread(th->thread_id);
if (THREAD_DEBUG) {
Sleep(0);
thread_debug("create: (th: %p, thid: %p, intr: %p), stack size: %d\n",
th, th->thread_id,
th->native_thread_data.interrupt_event, stack_size);
}
return 0;
}