1 | #include <dlfcn.h> |
---|---|
2 | #include <stdio.h> |
3 | #include <stdlib.h> |
4 | |
5 | #include <link.h> |
6 | |
7 | |
8 | static int |
9 | do_test (void) |
10 | { |
11 | static const char modname[] = "tst-tlsmod3.so"; |
12 | int result = 0; |
13 | int (*fp) (void); |
14 | void *h; |
15 | int i; |
16 | int modid = -1; |
17 | |
18 | for (i = 0; i < 10; ++i) |
19 | { |
20 | h = dlopen (file: modname, RTLD_LAZY); |
21 | if (h == NULL) |
22 | { |
23 | printf (format: "cannot open '%s': %s\n", modname, dlerror ()); |
24 | exit (status: 1); |
25 | } |
26 | |
27 | /* Dirty test code here: we peek into a private data structure. |
28 | We make sure that the module gets assigned the same ID every |
29 | time. The value of the first round is used. */ |
30 | if (modid == -1) |
31 | modid = ((struct link_map *) h)->l_tls_modid; |
32 | else if (((struct link_map *) h)->l_tls_modid != (size_t) modid) |
33 | { |
34 | printf (format: "round %d: modid now %zu, initially %d\n", |
35 | i, ((struct link_map *) h)->l_tls_modid, modid); |
36 | result = 1; |
37 | } |
38 | |
39 | fp = dlsym (handle: h, name: "in_dso2"); |
40 | if (fp == NULL) |
41 | { |
42 | printf (format: "cannot get symbol 'in_dso2': %s\n", dlerror ()); |
43 | exit (status: 1); |
44 | } |
45 | |
46 | result |= fp (); |
47 | |
48 | dlclose (handle: h); |
49 | } |
50 | |
51 | return result; |
52 | } |
53 | |
54 | |
55 | #include <support/test-driver.c> |
56 |