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
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
/* $OpenBSD: kevent.c,v 1.1 2011/09/13 23:50:17 fgsch Exp $ */
/*
* Federico G. Schwindt <fgsch@openbsd.org>, 2011. Public Domain.
*/
#include <sys/types.h>
#include <sys/event.h>
#include <sys/time.h>
#include <pthread.h>
#include <signal.h>
#include <unistd.h>
#include "test.h"
volatile sig_atomic_t hits = 0;
void
handler(int sig)
{
hits++;
}
void *
thr_kevent(void *arg)
{
struct kevent ev;
struct timespec ts = { 10, 0 };
int kq;
CHECKe(kq = kqueue());
ASSERT(kevent(kq, NULL, 0, &ev, 1, &ts) == -1);
return ((caddr_t)NULL + errno);
}
int
main(int argc, char **argv)
{
struct sigaction sa;
pthread_t tid;
void *retval;
bzero(&sa, sizeof(sa));
sa.sa_handler = handler;
sa.sa_flags = SA_RESTART;
CHECKe(sigaction(SIGUSR1, &sa, NULL));
CHECKr(pthread_create(&tid, NULL, thr_kevent, NULL));
sleep(2);
/* Should interrupt it. */
CHECKr(pthread_kill(tid, SIGUSR1));
sleep(1);
CHECKr(pthread_join(tid, &retval));
ASSERT(retval == (void *)EINTR);
ASSERT(hits == 1);
SUCCEED;
}
|
