| 1 | #include <dlfcn.h> |
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| 2 | #include <error.h> |
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| 3 | #include <mcheck.h> |
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| 4 | #include <stdio.h> |
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| 5 | #include <stdlib.h> |
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| 6 | |
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| 7 | int |
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| 8 | main (void) |
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| 9 | { |
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| 10 | void *su[5]; |
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| 11 | void *h; |
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| 12 | int n; |
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| 13 | |
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| 14 | mtrace (); |
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| 15 | |
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| 16 | if ((su[0] = dlopen (file: "testobj1.so" , RTLD_GLOBAL | RTLD_NOW)) == NULL |
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| 17 | || (su[1] = dlopen (file: "testobj2.so" , RTLD_GLOBAL | RTLD_NOW)) == NULL |
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| 18 | || (su[2] = dlopen (file: "testobj3.so" , RTLD_GLOBAL | RTLD_NOW)) == NULL |
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| 19 | || (su[3] = dlopen (file: "testobj4.so" , RTLD_GLOBAL | RTLD_NOW)) == NULL |
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| 20 | || (su[4] = dlopen (file: "testobj5.so" , RTLD_GLOBAL | RTLD_NOW)) == NULL) |
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| 21 | error (EXIT_FAILURE, errnum: 0, format: "failed to load shared object: %s" , dlerror ()); |
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| 22 | |
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| 23 | h = dlopen (file: "failobj.so" , RTLD_GLOBAL | RTLD_NOW); |
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| 24 | |
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| 25 | printf (format: "h = %p, %s\n" , h, h == NULL ? "ok" : "fail" ); |
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| 26 | |
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| 27 | for (n = 0; n < 5; ++n) |
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| 28 | if (dlclose (handle: su[n]) != 0) |
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| 29 | { |
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| 30 | printf (format: "failed to unload su[%d]: %s\n" , n, dlerror ()); |
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| 31 | exit (EXIT_FAILURE); |
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| 32 | } |
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| 33 | |
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| 34 | return h != NULL; |
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| 35 | } |
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| 36 | |
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| 37 | extern int foo (int a); |
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| 38 | int |
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| 39 | foo (int a) |
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| 40 | { |
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| 41 | return 10; |
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| 42 | } |
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| 43 | |
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