]>
Commit | Line | Data |
---|---|---|
2af4e3e5 UD |
1 | #include <semaphore.h> |
2 | #include <stdio.h> | |
3 | #include <unistd.h> | |
4 | #include <pthread.h> | |
5 | #include <internaltypes.h> | |
6 | ||
7 | #ifndef SEM_WAIT | |
8 | # define SEM_WAIT(s) sem_wait (s) | |
9 | #endif | |
10 | ||
11 | static void * | |
12 | tf (void *arg) | |
13 | { | |
14 | #ifdef PREPARE | |
15 | PREPARE | |
16 | #endif | |
17 | SEM_WAIT (arg); | |
18 | return NULL; | |
19 | } | |
20 | ||
21 | int | |
22 | main (void) | |
23 | { | |
24 | int tries = 5; | |
25 | pthread_t th; | |
9c04f7c1 UD |
26 | union |
27 | { | |
28 | sem_t s; | |
29 | struct new_sem ns; | |
30 | } u; | |
2af4e3e5 | 31 | again: |
9c04f7c1 | 32 | if (sem_init (&u.s, 0, 0) != 0) |
2af4e3e5 UD |
33 | { |
34 | puts ("sem_init failed"); | |
35 | return 1; | |
36 | } | |
042e1521 CD |
37 | #if __HAVE_64B_ATOMICS |
38 | if ((u.ns.data >> SEM_NWAITERS_SHIFT) != 0) | |
39 | #else | |
9c04f7c1 | 40 | if (u.ns.nwaiters != 0) |
042e1521 | 41 | #endif |
2af4e3e5 UD |
42 | { |
43 | puts ("nwaiters not initialized"); | |
44 | return 1; | |
45 | } | |
46 | ||
9c04f7c1 | 47 | if (pthread_create (&th, NULL, tf, &u.s) != 0) |
2af4e3e5 UD |
48 | { |
49 | puts ("pthread_create failed"); | |
50 | return 1; | |
51 | } | |
52 | ||
53 | sleep (1); | |
54 | ||
55 | if (pthread_cancel (th) != 0) | |
56 | { | |
57 | puts ("pthread_cancel failed"); | |
58 | return 1; | |
59 | } | |
60 | ||
61 | void *r; | |
62 | if (pthread_join (th, &r) != 0) | |
63 | { | |
64 | puts ("pthread_join failed"); | |
65 | return 1; | |
66 | } | |
67 | if (r != PTHREAD_CANCELED && --tries > 0) | |
68 | { | |
69 | /* Maybe we get the scheduling right the next time. */ | |
9c04f7c1 | 70 | sem_destroy (&u.s); |
2af4e3e5 UD |
71 | goto again; |
72 | } | |
73 | ||
042e1521 CD |
74 | #if __HAVE_64B_ATOMICS |
75 | if ((u.ns.data >> SEM_NWAITERS_SHIFT) != 0) | |
76 | #else | |
9c04f7c1 | 77 | if (u.ns.nwaiters != 0) |
042e1521 | 78 | #endif |
2af4e3e5 UD |
79 | { |
80 | puts ("nwaiters not reset"); | |
81 | return 1; | |
82 | } | |
83 | ||
84 | return 0; | |
85 | } |