1 /**
2 * Test program for some Linux syscalls introduced during 2006 and 2007:
3 * - epoll_pwait() was introduced in the 2.6.19 kernel, released in November
4 * 2006.
5 * - utimensat(), eventfd(), timerfd() and signalfd() were introduced in the
6 * 2.6.22 kernel, released in July 2007.
7 *
8 * See also http://bugs.kde.org/show_bug.cgi?id=160907.
9 */
10
11 #define _GNU_SOURCE
12
13 #include "../../config.h"
14 #include <fcntl.h>
15 #include <signal.h>
16 #include <stdint.h>
17 #if defined(HAVE_SYS_EPOLL_H)
18 #include <sys/epoll.h>
19 #endif
20 #if defined(HAVE_SYS_EVENTFD_H)
21 #include <sys/eventfd.h>
22 #endif
23 #if defined(HAVE_SYS_POLL_H)
24 #include <sys/poll.h>
25 #endif
26 #if defined(HAVE_SYS_SIGNALFD_H)
27 #include <sys/signalfd.h>
28 #endif
29 #include <sys/stat.h>
30 #include <unistd.h>
31
main(void)32 int main (void)
33 {
34 #if defined(HAVE_SIGNALFD) && defined(HAVE_EVENTFD) \
35 && defined(HAVE_EVENTFD_READ) && defined(HAVE_PPOLL)
36 {
37 sigset_t mask;
38 int fd, fd2;
39 eventfd_t ev;
40 struct timespec ts = { .tv_sec = 1, .tv_nsec = 0 };
41 struct pollfd pfd[2];
42
43 sigemptyset (&mask);
44 sigaddset (&mask, SIGUSR1);
45 fd = signalfd (-1, &mask, 0);
46 sigaddset (&mask, SIGUSR2);
47 fd = signalfd (fd, &mask, 0);
48 fd2 = eventfd (5, 0);
49 eventfd_read (fd2, &ev);
50 pfd[0].fd = fd;
51 pfd[0].events = POLLIN|POLLOUT;
52 pfd[1].fd = fd2;
53 pfd[1].events = POLLIN|POLLOUT;
54 ppoll (pfd, 2, &ts, &mask);
55 }
56 #endif
57
58 #if defined(HAVE_UTIMENSAT)
59 unlink("/tmp/valgrind-utimensat-test");
60 close (creat ("/tmp/valgrind-utimensat-test", S_IRUSR | S_IWUSR));
61 {
62 struct timespec ts2[2] = { [0].tv_sec = 10000000, [1].tv_sec = 20000000 };
63 utimensat (AT_FDCWD, "/tmp/valgrind-utimensat-test", ts2, 0);
64 }
65 unlink("/tmp/valgrind-utimensat-test");
66 #endif
67
68 #if defined(HAVE_EPOLL_CREATE) && defined(HAVE_EPOLL_PWAIT)
69 {
70 int fd3;
71 struct epoll_event evs[10];
72 sigset_t mask;
73
74 sigemptyset (&mask);
75 sigaddset (&mask, SIGUSR1);
76 sigaddset (&mask, SIGUSR2);
77 fd3 = epoll_create (10);
78 epoll_pwait (fd3, evs, 10, 0, &mask);
79 }
80 #endif
81
82 return 0;
83 }
84