/*
* Validate the signal number and thread. If valid process the signal.
*/
int
pthread_kill(pthread_t pthread, int sig)
{
int ret;
if (sig >= 0 && sig < NSIG) {
ret = _find_thread(pthread);
if (ret == 0 && sig != 0) {
if (_thread_sigact[sig - 1].sa_handler != SIG_IGN) {
_thread_kern_sig_defer();
if (pthread->state == PS_SIGWAIT &&
sigismember(pthread->data.sigwait, sig)) {
PTHREAD_NEW_STATE(pthread,PS_RUNNING);
pthread->signo = sig;
} else {
_thread_kill_siginfo(sig);
_thread_signal(pthread,sig);
}
_thread_kern_sig_undefer();
}
}
} else
ret = EINVAL;
return ret;
}
int
_pthread_getschedparam(pthread_t pthread, int *policy,
struct sched_param *param)
{
int ret;
if ((param == NULL) || (policy == NULL))
/* Return an invalid argument error: */
ret = EINVAL;
/* Find the thread in the list of active threads: */
else if ((ret = _find_thread(pthread)) == 0) {
/* Return the threads base priority and scheduling policy: */
param->sched_priority =
PTHREAD_BASE_PRIORITY(pthread->base_priority);
*policy = pthread->attr.sched_policy;
}
return(ret);
}
int
_pthread_attr_get_np(pthread_t pid, pthread_attr_t *dst)
{
int ret;
if (pid == NULL || dst == NULL || *dst == NULL)
return (EINVAL);
if ((ret = _find_thread(pid)) != 0)
return (ret);
memcpy(*dst, &pid->attr, sizeof(struct pthread_attr));
/*
* Special case, if stack address was not provided by caller
* of pthread_create(), then return address allocated internally
*/
if ((*dst)->stackaddr_attr == NULL)
(*dst)->stackaddr_attr = pid->stack;
return (0);
}
