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#include <unistd.h>
#include <stdlib.h>
#include <errno.h>
#include "thread_internal.h"
#include <pthread.h>
int pthread_join(pthread_t th, void **thread_return)
{
pthread_t j;
_pthread_descr this, thread;
__THREAD_INIT();
this = __thread_self();
j=__find_thread_id(th);
if (j==-1) {
return ESRCH;
}
thread = __get_thread_struct(j);
/* error handling */
if (thread==0) {
return ESRCH;
}
if (this==thread) {
return EDEADLK;
}
if (thread->detached || thread->joined) {
return EINVAL;
}
return __thread_join(thread,thread_return);
}
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