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
57
58
59
60
61
62
63
|
/* vi: set sw=4 ts=4 sts=4: */
/*
* signalfd test for uClibc
* Copyright (C) 2012 by Kevin Cernekee <cernekee@gmail.com>
*
* Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include <error.h>
#include <signal.h>
#include <sys/signalfd.h>
#include <sys/fcntl.h>
static int
do_test(void)
{
int fd, ret, result = 0;
struct signalfd_siginfo ssi;
sigset_t mask;
sigemptyset(&mask);
sigaddset(&mask, SIGUSR1);
sigprocmask(SIG_BLOCK, &mask, NULL);
fd = signalfd(-1, &mask, SFD_NONBLOCK);
if (fd < 0) {
printf("signalfd() failed: %s\n", strerror(errno));
result = 1;
}
/* this should return immediately with EAGAIN due to SFD_NONBLOCK */
memset(&ssi, 0, sizeof(ssi));
ret = read(fd, &ssi, sizeof(ssi));
if (ret != -1 || errno != EAGAIN) {
error(0, 0, "first read() returned %d", ret);
result = 1;
}
kill(getpid(), SIGUSR1);
/* this should return a struct ssi indicating receipt of SIGUSR1 */
ret = read(fd, &ssi, sizeof(ssi));
if (ret != sizeof(ssi)) {
error(0, 0, "second read() returned %d", ret);
result = 1;
}
if (ssi.ssi_signo != SIGUSR1) {
error(0, 0, "ssi contains bogus signo");
result = 1;
}
return result;
}
#define TIMEOUT 5
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
|
