/* attach to current thread. return 1 if successful */
int32_t vm_thread_attach(vm_thread *thread, vm_thread_callback func, void *arg)
{
int32_t i_res = 1;
pthread_attr_t attr;
/* check error(s) */
if (NULL == thread)
return 0;
if (0 != i_res)
{
if (VM_OK != vm_event_init(&thread->exit_event, 1, 0))
i_res = 0;
}
if ((0 != i_res) &&
(VM_OK != vm_mutex_init(&thread->access_mut)))
i_res = 0;
thread->is_valid = 1;
thread->p_thread_func = func;
thread->p_arg = 0;
thread->i_wait_count = 1; // vm_thread_wait should not try to join this thread
thread->handle = pthread_self();
return i_res;
}
/* create a thread. return 1 if success */
Ipp32s vm_thread_create(vm_thread *thread,
Ipp32u (*vm_thread_func)(void *),
void *arg)
{
Ipp32s i_res = 1;
pthread_attr_t attr;
/* check error(s) */
if ((NULL == thread) ||
(NULL == vm_thread_func))
return 0;
if (0 != i_res)
{
if (VM_OK != vm_event_init(&thread->exit_event, 1, 0))
i_res = 0;
}
if ((0 != i_res) &&
(VM_OK != vm_mutex_init(&thread->access_mut)))
i_res = 0;
if (0 != i_res)
{
vm_mutex_lock(&thread->access_mut);
thread->p_thread_func = vm_thread_func;
thread->p_arg = arg;
pthread_attr_init(&attr);
pthread_attr_setschedpolicy(&attr, geteuid() ? SCHED_OTHER : SCHED_RR);
thread->is_valid =! pthread_create(&thread->handle,
&attr,
vm_thread_proc,
(void*)thread);
i_res = (thread->is_valid) ? 1 : 0;
vm_mutex_unlock(&thread->access_mut);
pthread_attr_destroy(&attr);
}
vm_thread_set_priority(thread, VM_THREAD_PRIORITY_LOWEST);
return i_res;
} /* Ipp32s vm_thread_create(vm_thread *thread, */
/* create a thread. return 1 if success */
int32_t vm_thread_create(vm_thread *thread,
uint32_t (*vm_thread_func)(void *),
void *arg)
{
int32_t i_res = 1;
// pthread_attr_t attr;
/* check error(s) */
if ((NULL == thread) ||
(NULL == vm_thread_func))
return 0;
if (0 != i_res)
{
if (VM_OK != vm_event_init(&thread->exit_event, 1, 0))
i_res = 0;
}
if ((0 != i_res) &&
(VM_OK != vm_mutex_init(&thread->access_mut)))
i_res = 0;
if (0 != i_res)
{
vm_mutex_lock(&thread->access_mut);
thread->p_thread_func = vm_thread_func;
thread->p_arg = arg;
thread->is_valid =! pthread_create(&thread->handle,
NULL,
vm_thread_proc,
(void*)thread);
i_res = (thread->is_valid) ? 1 : 0;
vm_mutex_unlock(&thread->access_mut);
// pthread_attr_destroy(&attr);
}
return i_res;
} /* int32_t vm_thread_create(vm_thread *thread, */
