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#include <dlfcn.h>
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#include <stdio.h>
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#include <mcheck.h>
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int
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main (void)
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{
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int result = 0;
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void *p;
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mtrace ();
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/* First try to load an object which is a dependency. This should
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succeed. */
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p = dlopen ("testobj1.so", RTLD_LAZY | RTLD_NOLOAD);
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if (p == NULL)
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{
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printf ("cannot open \"testobj1.so\": %s\n", dlerror ());
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result = 1;
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}
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else
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{
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puts ("loading \"testobj1.so\" succeeded, OK");
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dlclose (p);
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}
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/* Now try loading an object which is not already loaded. */
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if (dlopen ("testobj5.so", RTLD_LAZY | RTLD_NOLOAD) != NULL)
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{
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puts ("succeeded in loading \"testobj5.so\"");
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result = 1;
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}
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else
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{
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/* Load the object and run the same test again. */
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puts ("\"testobj5.so\" wasn't loaded and RTLD_NOLOAD prevented it, OK");
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p = dlopen ("testobj5.so", RTLD_LAZY);
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if (p == NULL)
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{
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printf ("cannot open \"testobj5.so\" without RTLD_NOLOAD: %s\n",
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dlerror ());
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result = 1;
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}
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else
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{
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puts ("loading \"testobj5.so\" succeeded, OK");
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void *q = dlopen ("testobj5.so", RTLD_LAZY | RTLD_NOLOAD);
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if (q == NULL)
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{
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printf ("cannot open \"testobj5.so\": %s\n", dlerror ());
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result = 1;
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}
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else
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{
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puts ("loading \"testobj5.so\" with RTLD_NOLOAD succeeded, OK");
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dlclose (q);
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}
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if (dlclose (p) != 0)
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{
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printf ("cannot close \"testobj5.so\": %s\n", dlerror ());
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result = 1;
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}
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else
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puts ("closing \"testobj5.so\" succeeded, OK");
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}
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}
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return result;
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}
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extern int foo (int a);
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int
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foo (int a)
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{
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return 42 + a;
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}
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