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-rw-r--r--dlfcn/failtest.c58
1 files changed, 58 insertions, 0 deletions
diff --git a/dlfcn/failtest.c b/dlfcn/failtest.c
new file mode 100644
index 0000000000..50bbf10596
--- /dev/null
+++ b/dlfcn/failtest.c
@@ -0,0 +1,58 @@
+#include <dlfcn.h>
+#include <stdio.h>
+
+
+/* Number of rounds we perform the test. */
+#define TEST_ROUNDS 10
+
+
+static const char unknown[] = "a-file-with-this-name-does-not-exist";
+static const char exists[] = "failtestmod.so";
+
+
+int
+main (void)
+{
+ int i;
+
+ setvbuf (stdout, NULL, _IONBF, 0);
+
+ for (i = 0; i < TEST_ROUNDS; ++i)
+ {
+ void *dsc;
+
+ printf ("Round %d: Try loading \"%s\"\n", i, unknown);
+
+ dsc = dlopen (unknown, RTLD_NOW);
+ if (dsc != NULL)
+ {
+ printf ("We found a file of name \"%s\": this should not happen\n",
+ unknown);
+ return 1;
+ }
+
+ printf ("Round %d: loading \"%s\" failed\n", i, unknown);
+
+ /* Don't use `dlerror', just load an existing file. */
+ dsc = dlopen (exists, RTLD_NOW);
+ if (dsc == NULL)
+ {
+ printf ("Could not load \"%s\": %s\n", exists, dlerror ());
+ return 1;
+ }
+
+ printf ("Round %d: Loaded \"%s\"\n", i, exists);
+
+ dlclose (dsc);
+
+ printf ("Round %d: Unloaded \"%s\"\n", i, exists);
+ }
+
+ return 0;
+}
+
+
+void
+foo (void)
+{
+}