static void pthread_start(void)
{
FAR _TCB *ptcb = (FAR _TCB*)g_readytorun.head;
FAR join_t *pjoin = (FAR join_t*)ptcb->joininfo;
pthread_addr_t exit_status;
/* Sucessfully spawned, add the pjoin to our data set.
* Don't re-enable pre-emption until this is done.
*/
(void)pthread_takesemaphore(&g_join_semaphore);
pthread_addjoininfo(pjoin);
(void)pthread_givesemaphore(&g_join_semaphore);
/* Report to the spawner that we successfully started. */
pjoin->started = true;
(void)pthread_givesemaphore(&pjoin->data_sem);
/* Pass control to the thread entry point. The argument is
* argv[1]. argv[0] (the thread name) and argv[2-4] are not made
* available to the pthread.
*/
exit_status = (*ptcb->entry.pthread)((pthread_addr_t)ptcb->argv[1]);
/* The thread has returned */
pthread_exit(exit_status);
}
static void pthread_start(void)
{
FAR struct pthread_tcb_s *ptcb = (FAR struct pthread_tcb_s *)g_readytorun.head;
FAR struct task_group_s *group = ptcb->cmn.group;
FAR struct join_s *pjoin = (FAR struct join_s *)ptcb->joininfo;
pthread_addr_t exit_status;
DEBUGASSERT(group && pjoin);
/* Sucessfully spawned, add the pjoin to our data set. */
(void)pthread_takesemaphore(&group->tg_joinsem);
pthread_addjoininfo(group, pjoin);
(void)pthread_givesemaphore(&group->tg_joinsem);
/* Report to the spawner that we successfully started. */
pjoin->started = true;
(void)pthread_givesemaphore(&pjoin->data_sem);
/* Pass control to the thread entry point. In the kernel build this has to
* be handled differently if we are starting a user-space pthread; we have
* to switch to user-mode before calling into the pthread.
*/
#if defined(CONFIG_BUILD_PROTECTED) || defined(CONFIG_BUILD_KERNEL)
up_pthread_start(ptcb->cmn.entry.pthread, ptcb->arg);
exit_status = NULL;
#else
exit_status = (*ptcb->cmn.entry.pthread)(ptcb->arg);
#endif
/* The thread has returned (should never happen in the kernel mode case) */
pthread_exit(exit_status);
}
