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#include <unistd.h>
#include <errno.h>
#include <pthread.h>
#include "thread_internal.h"
int pthread_cancel(pthread_t th)
{
pthread_t j;
_pthread_descr thread;
__THREAD_INIT();
j=__find_thread_id(th);
if (j==-1) {
return ESRCH;
}
thread = __get_thread_struct(j);
if (thread==0) {
return ESRCH;
}
if (thread->cancelstate!=PTHREAD_CANCEL_DISABLE) {
thread->canceled=1;
if (thread->canceltype!=PTHREAD_CANCEL_DEFERRED) {
kill(thread->pid,SIGHUP);
}
}
return 0;
}
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