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Commit | Line | Data |
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8699e7b1 UD |
1 | #include <dlfcn.h> |
2 | #include <libintl.h> | |
3 | #include <link.h> | |
ceb579a3 UD |
4 | #include <stdio.h> |
5 | #include <stdlib.h> | |
6 | #include <string.h> | |
ceb579a3 UD |
7 | |
8 | static int | |
9 | check_loaded_objects (const char **loaded) | |
10 | { | |
11 | struct link_map *lm; | |
12 | int n; | |
13 | int *found = NULL; | |
14 | int errors = 0; | |
15 | ||
16 | for (n = 0; loaded[n]; n++) | |
17 | /* NOTHING */; | |
18 | ||
19 | if (n) | |
20 | { | |
21 | found = (int *) alloca (sizeof (int) * n); | |
22 | memset (found, 0, sizeof (int) * n); | |
23 | } | |
24 | ||
25 | printf(" Name\n"); | |
26 | printf(" --------------------------------------------------------\n"); | |
27 | for (lm = _r_debug.r_map; lm; lm = lm->l_next) | |
28 | { | |
29 | if (lm->l_name && lm->l_name[0]) | |
8699e7b1 | 30 | printf(" %s, count = %d\n", lm->l_name, (int) lm->l_opencount); |
ceb579a3 UD |
31 | if (lm->l_type == lt_loaded && lm->l_name) |
32 | { | |
33 | int match = 0; | |
34 | for (n = 0; loaded[n] != NULL; n++) | |
35 | { | |
36 | if (strcmp (basename (loaded[n]), basename (lm->l_name)) == 0) | |
37 | { | |
38 | found[n] = 1; | |
39 | match = 1; | |
40 | break; | |
41 | } | |
42 | } | |
43 | ||
44 | if (match == 0) | |
45 | { | |
46 | ++errors; | |
47 | printf ("ERRORS: %s is not unloaded\n", lm->l_name); | |
48 | } | |
49 | } | |
50 | } | |
51 | ||
52 | for (n = 0; loaded[n] != NULL; n++) | |
53 | { | |
54 | if (found[n] == 0) | |
55 | { | |
56 | ++errors; | |
57 | printf ("ERRORS: %s is not loaded\n", loaded[n]); | |
58 | } | |
59 | } | |
60 | ||
61 | return errors; | |
62 | } | |
63 | ||
64 | int | |
65 | main (void) | |
66 | { | |
67 | void *obj2; | |
68 | void *obj3; | |
69 | const char *loaded[] = { NULL, NULL, NULL, NULL }; | |
70 | int errors = 0; | |
71 | ||
72 | printf ("\nThis is what is in memory now:\n"); | |
73 | errors += check_loaded_objects (loaded); | |
74 | printf( "Loading shared object neededobj3.so\n"); | |
75 | obj3 = dlopen( "neededobj3.so", RTLD_LAZY); | |
76 | if (obj3 == NULL) | |
77 | { | |
78 | printf ("%s\n", dlerror ()); | |
79 | exit (1); | |
80 | } | |
81 | printf ("And this is what is now in memory\n"); | |
82 | loaded[0] = "neededobj1.so"; | |
83 | loaded[1] = "neededobj2.so"; | |
84 | loaded[2] = "neededobj3.so"; | |
85 | errors += check_loaded_objects (loaded); | |
86 | printf ("Now loading shared object neededobj2.so\n"); | |
87 | obj2 = dlopen ("neededobj2.so", RTLD_LAZY); | |
88 | if (obj2 == NULL) | |
89 | { | |
90 | printf ("%s\n", dlerror ()); | |
91 | exit (1); | |
92 | } | |
93 | printf ("Again, this is what is in memory\n"); | |
94 | errors += check_loaded_objects (loaded); | |
95 | printf ("Closing neededobj2.so\n"); | |
96 | dlclose (obj2); | |
97 | errors += check_loaded_objects (loaded); | |
98 | printf ("Closing neededobj3.so\n"); | |
99 | dlclose (obj3); | |
100 | loaded[0] = NULL; | |
101 | errors += check_loaded_objects (loaded); | |
102 | if (errors != 0) | |
8699e7b1 | 103 | printf ("%d errors found\n", errors); |
ceb579a3 UD |
104 | return errors; |
105 | } |