1 | #include <dlfcn.h> |
2 | #include <pthread.h> |
3 | #include <stdio.h> |
4 | #include <stdlib.h> |
5 | #include <string.h> |
6 | #include <gnu/lib-names.h> |
7 | |
8 | static void * |
9 | tf (void *arg) |
10 | { |
11 | void *h = dlopen (LIBM_SO, RTLD_LAZY); |
12 | if (h == NULL) |
13 | { |
14 | printf (format: "dlopen failed: %s\n" , dlerror ()); |
15 | exit (status: 1); |
16 | } |
17 | if (dlsym (handle: h, name: "sin" ) == NULL) |
18 | { |
19 | printf (format: "dlsym failed: %s\n" , dlerror ()); |
20 | exit (status: 1); |
21 | } |
22 | if (dlclose (handle: h) != 0) |
23 | { |
24 | printf (format: "dlclose failed: %s\n" , dlerror ()); |
25 | exit (status: 1); |
26 | } |
27 | return NULL; |
28 | } |
29 | |
30 | |
31 | static int |
32 | do_test (void) |
33 | { |
34 | #define N 10 |
35 | pthread_t th[N]; |
36 | for (int i = 0; i < N; ++i) |
37 | { |
38 | int e = pthread_create (newthread: &th[i], NULL, start_routine: tf, NULL); |
39 | if (e != 0) |
40 | { |
41 | printf (format: "pthread_create failed with %d (%s)\n" , e, strerror (errnum: e)); |
42 | return 1; |
43 | } |
44 | } |
45 | for (int i = 0; i < N; ++i) |
46 | { |
47 | void *res; |
48 | int e = pthread_join (th: th[i], thread_return: &res); |
49 | if (e != 0 || res != NULL) |
50 | { |
51 | puts (s: "thread failed" ); |
52 | return 1; |
53 | } |
54 | } |
55 | return 0; |
56 | } |
57 | |
58 | #include <support/test-driver.c> |
59 | |