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2b9093e1 OEM |
1 | /* Copyright (C) 2010 Oussama El Mfadli, Alexis Hallé |
2 | * | |
3 | * This library is free software; you can redistribute it and/or | |
4 | * modify it under the terms of the GNU Lesser General Public | |
5 | * License as published by the Free Software Foundation; either | |
6 | * version 2.1 of the License, or (at your option) any later version. | |
7 | * | |
8 | * This library is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
11 | * Lesser General Public License for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU Lesser General Public | |
14 | * License along with this library; if not, write to the Free Software | |
15 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
16 | */ | |
17 | ||
18 | #include <dlfcn.h> | |
19 | #include <stdio.h> | |
20 | #include <ust/marker.h> | |
21 | ||
22 | int main() | |
23 | { | |
24 | int (*fptr)(); | |
25 | ||
26 | trace_mark(ust, from_main_before_lib, "%s", "Event occured in the main program before" | |
27 | " the opening of the library\n"); | |
28 | void *lib_handle = dlopen("libdummy.so", RTLD_LAZY); | |
29 | ||
30 | if (lib_handle == NULL) { | |
31 | fprintf(stderr, "%s\n", dlerror()); | |
32 | return 1; | |
33 | } | |
34 | ||
35 | fptr = (int (*)())dlsym(lib_handle, "exported_function"); | |
36 | ||
37 | if ( fptr == NULL) { | |
38 | fprintf(stderr, "%s\n", dlerror()); | |
39 | return 1; | |
40 | } | |
41 | ||
42 | (*fptr)(); | |
43 | dlclose(lib_handle); | |
44 | ||
45 | trace_mark(ust, from_main_after_lib,"%s", "Event occured in the main program after " | |
46 | "the library has been closed\n"); | |
47 | ||
48 | return 0; | |
49 | } |