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Commit | Line | Data |
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2373b30e UD |
1 | #include <sys/types.h> |
2 | #include <dlfcn.h> | |
3 | #include <error.h> | |
4 | #include <mcheck.h> | |
5 | #include <stdlib.h> | |
6 | #include <unistd.h> | |
7 | ||
8 | pid_t pid, pid2; | |
9 | ||
10 | pid_t getpid(void) | |
11 | { | |
12 | pid_t (*f)(void); | |
13 | f = (pid_t (*)(void)) dlsym (RTLD_NEXT, "getpid"); | |
14 | if (f == NULL) | |
15 | error (EXIT_FAILURE, 0, "dlsym (RTLD_NEXT, \"getpid\"): %s", dlerror ()); | |
16 | return (pid2 = f()) + 26; | |
17 | } | |
18 | ||
19 | int | |
20 | main (void) | |
21 | { | |
22 | pid_t (*f)(void); | |
23 | ||
24 | mtrace (); | |
25 | ||
26 | f = (pid_t (*)(void)) dlsym (RTLD_DEFAULT, "getpid"); | |
27 | if (f == NULL) | |
28 | error (EXIT_FAILURE, 0, "dlsym (RTLD_DEFAULT, \"getpid\"): %s", dlerror ()); | |
29 | pid = f(); | |
30 | if (pid != pid2 + 26) | |
31 | error (EXIT_FAILURE, 0, "main getpid() not called"); | |
32 | return 0; | |
33 | } |