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authorUlrich Drepper <drepper@redhat.com>2000-10-23 22:58:40 +0000
committerUlrich Drepper <drepper@redhat.com>2000-10-23 22:58:40 +0000
commit9807e5408bf1d7f879216f0000c1f220beb89d93 (patch)
tree81f1eae57ddb0e46faeab5608ac95801d2c9ad41 /elf/neededtest2.c
parentf92338be6ead8e01060343e9a678ddccf2b5a139 (diff)
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Update.
* elf/unload.c: Generate more debugging output. * elf/neededtest.c: Make it more complicated. * elf/neededtest2.c: New file. * elf/Makefile: Add rules to build and run neededtest2.
Diffstat (limited to 'elf/neededtest2.c')
-rw-r--r--elf/neededtest2.c116
1 files changed, 116 insertions, 0 deletions
diff --git a/elf/neededtest2.c b/elf/neededtest2.c
new file mode 100644
index 0000000..cf111bc
--- /dev/null
+++ b/elf/neededtest2.c
@@ -0,0 +1,116 @@
+#include <dlfcn.h>
+#include <libintl.h>
+#include <link.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+static int
+check_loaded_objects (const char **loaded)
+{
+ struct link_map *lm;
+ int n;
+ int *found = NULL;
+ int errors = 0;
+
+ for (n = 0; loaded[n]; n++)
+ /* NOTHING */;
+
+ if (n)
+ {
+ found = (int *) alloca (sizeof (int) * n);
+ memset (found, 0, sizeof (int) * n);
+ }
+
+ printf(" Name\n");
+ printf(" --------------------------------------------------------\n");
+ for (lm = _r_debug.r_map; lm; lm = lm->l_next)
+ {
+ if (lm->l_name && lm->l_name[0])
+ printf(" %s, count = %d\n", lm->l_name, (int) lm->l_opencount);
+ if (lm->l_type == lt_loaded && lm->l_name)
+ {
+ int match = 0;
+ for (n = 0; loaded[n] != NULL; n++)
+ {
+ if (strcmp (basename (loaded[n]), basename (lm->l_name)) == 0)
+ {
+ found[n] = 1;
+ match = 1;
+ break;
+ }
+ }
+
+ if (match == 0)
+ {
+ ++errors;
+ printf ("ERRORS: %s is not unloaded\n", lm->l_name);
+ }
+ }
+ }
+
+ for (n = 0; loaded[n] != NULL; n++)
+ {
+ if (found[n] == 0)
+ {
+ ++errors;
+ printf ("ERRORS: %s is not loaded\n", loaded[n]);
+ }
+ }
+
+ return errors;
+}
+
+int
+main (void)
+{
+ void *obj2;
+ void *obj3[2];
+ const char *loaded[] = { NULL, NULL, NULL, NULL };
+ int errors = 0;
+
+ printf ("\nThis is what is in memory now:\n");
+ errors += check_loaded_objects (loaded);
+ printf ("\nLoading shared object neededobj2.so\n");
+ obj2 = dlopen ("neededobj2.so", RTLD_LAZY);
+ if (obj2 == NULL)
+ {
+ printf ("%s\n", dlerror ());
+ exit (1);
+ }
+ loaded[0] = "neededobj1.so";
+ loaded[1] = "neededobj2.so";
+ errors += check_loaded_objects (loaded);
+ printf ("\nLoading shared object neededobj3.so\n");
+ obj3[0] = dlopen( "neededobj3.so", RTLD_LAZY);
+ if (obj3[0] == NULL)
+ {
+ printf ("%s\n", dlerror ());
+ exit (1);
+ }
+ loaded[2] = "neededobj3.so";
+ errors += check_loaded_objects (loaded);
+ printf ("\nNow loading shared object neededobj3.so again\n");
+ obj3[1] = dlopen ("neededobj3.so", RTLD_LAZY);
+ if (obj3[1] == NULL)
+ {
+ printf ("%s\n", dlerror ());
+ exit (1);
+ }
+ errors += check_loaded_objects (loaded);
+ printf ("\nClosing neededobj3.so once\n");
+ dlclose (obj3[0]);
+ errors += check_loaded_objects (loaded);
+ printf ("\nClosing neededobj2.so\n");
+ dlclose (obj2);
+ errors += check_loaded_objects (loaded);
+ printf ("\nClosing neededobj3.so for the second time\n");
+ dlclose (obj3[1]);
+ loaded[0] = NULL;
+ loaded[1] = NULL;
+ loaded[2] = NULL;
+ errors += check_loaded_objects (loaded);
+ if (errors != 0)
+ printf ("%d errors found\n", errors);
+ return errors;
+}