blob: 4c87a3ed18143894ba9bfcb7fd59b8d6c59f3029 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
#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) {
(*(__errno_location()))=ESRCH;
return -1;
}
thread = __get_thread_struct(j);
if (thread==0) {
(*(__errno_location()))=ESRCH;
return -1;
}
if (thread->cancelstate!=PTHREAD_CANCEL_DISABLE) {
thread->canceled=1;
if (thread->canceltype!=PTHREAD_CANCEL_DEFERRED) {
kill(thread->pid,SIGHUP);
}
}
return 0;
}
|