1 | #include <errno.h> |
2 | #include <semaphore.h> |
3 | #include <stdio.h> |
4 | #include <unistd.h> |
5 | #include <pthread.h> |
6 | #include <internaltypes.h> |
7 | #include <support/check.h> |
8 | |
9 | /* A bogus clock value that tells run_test to use sem_timedwait rather than |
10 | sem_clockwait. */ |
11 | #define CLOCK_USE_TIMEDWAIT (-1) |
12 | |
13 | typedef int (*waitfn_t)(sem_t *, struct timespec *); |
14 | |
15 | static void |
16 | do_test_wait (waitfn_t waitfn, const char *fnname) |
17 | { |
18 | union |
19 | { |
20 | sem_t s; |
21 | struct new_sem ns; |
22 | } u; |
23 | |
24 | printf (format: "do_test_wait: %s\n" , fnname); |
25 | |
26 | TEST_COMPARE (sem_init (&u.s, 0, 0), 0); |
27 | |
28 | struct timespec ts = { 0, 1000000001 }; /* Invalid. */ |
29 | errno = 0; |
30 | TEST_VERIFY_EXIT (waitfn (&u.s, &ts) < 0); |
31 | TEST_COMPARE (errno, EINVAL); |
32 | |
33 | #if __HAVE_64B_ATOMICS |
34 | unsigned int nwaiters = (u.ns.data >> SEM_NWAITERS_SHIFT); |
35 | #else |
36 | unsigned int nwaiters = u.ns.nwaiters; |
37 | #endif |
38 | TEST_COMPARE (nwaiters, 0); |
39 | |
40 | ts.tv_sec = /* Invalid. */ -2; |
41 | ts.tv_nsec = 0; |
42 | errno = 0; |
43 | TEST_VERIFY_EXIT (waitfn (&u.s, &ts) < 0); |
44 | TEST_COMPARE (errno, ETIMEDOUT); |
45 | #if __HAVE_64B_ATOMICS |
46 | nwaiters = (u.ns.data >> SEM_NWAITERS_SHIFT); |
47 | #else |
48 | nwaiters = u.ns.nwaiters; |
49 | #endif |
50 | TEST_COMPARE (nwaiters, 0); |
51 | } |
52 | |
53 | int test_sem_timedwait (sem_t *sem, struct timespec *ts) |
54 | { |
55 | return sem_timedwait (sem: sem, abstime: ts); |
56 | } |
57 | |
58 | int test_sem_clockwait_monotonic (sem_t *sem, struct timespec *ts) |
59 | { |
60 | return sem_clockwait (sem: sem, CLOCK_MONOTONIC, abstime: ts); |
61 | } |
62 | |
63 | int test_sem_clockwait_realtime (sem_t *sem, struct timespec *ts) |
64 | { |
65 | return sem_clockwait (sem: sem, CLOCK_REALTIME, abstime: ts); |
66 | } |
67 | |
68 | static int do_test (void) |
69 | { |
70 | do_test_wait (waitfn: &test_sem_timedwait, |
71 | fnname: "sem_timedwait" ); |
72 | do_test_wait (waitfn: &test_sem_clockwait_monotonic, |
73 | fnname: "sem_clockwait(monotonic)" ); |
74 | do_test_wait (waitfn: &test_sem_clockwait_realtime, |
75 | fnname: "sem_clockwait(realtime)" ); |
76 | return 0; |
77 | } |
78 | |
79 | #include <support/test-driver.c> |
80 | |