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authorAustin Foxley <austinf@cetoncorp.com>2009-10-17 12:39:59 -0700
committerAustin Foxley <austinf@cetoncorp.com>2009-10-17 12:39:59 -0700
commit8b7834d4008d10d8763d18b25580a4607a5e6607 (patch)
treeb030bc2a953787804c11189e32c22f51fbabbbdc /test/tls/tst-tls7.c
parent75accc3bc3c164ac6063c384c98f0dfa7d489dcc (diff)
test/tls/: tests for thread local storage functionality
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
Diffstat (limited to 'test/tls/tst-tls7.c')
-rw-r--r--test/tls/tst-tls7.c79
1 files changed, 79 insertions, 0 deletions
diff --git a/test/tls/tst-tls7.c b/test/tls/tst-tls7.c
new file mode 100644
index 000000000..41da2708d
--- /dev/null
+++ b/test/tls/tst-tls7.c
@@ -0,0 +1,79 @@
+#include <dlfcn.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <tls.h>
+#include <link.h>
+#ifdef __UCLIBC__
+#include "dl-elf.h"
+#include "dl-hash.h"
+#endif
+
+
+#define TEST_FUNCTION do_test ()
+static int
+do_test (void)
+{
+#ifdef USE_TLS
+ static const char modname[] = "tst-tlsmod3.so";
+ int result = 0;
+ int (*fp) (void);
+ void *h;
+ int i;
+ int modid = -1;
+
+ for (i = 0; i < 10; ++i)
+ {
+ h = dlopen (modname, RTLD_LAZY);
+ if (h == NULL)
+ {
+ printf ("cannot open '%s': %s\n", modname, dlerror ());
+ exit (1);
+ }
+
+ /* Dirty test code here: we peek into a private data structure.
+ We make sure that the module gets assigned the same ID every
+ time. The value of the first round is used. */
+#ifdef __UCLIBC__
+ if (modid == -1)
+ modid = ((struct link_map *)((struct dyn_elf *)h)->dyn)->l_tls_modid;
+ else if (((struct link_map *)((struct dyn_elf *)h)->dyn)->l_tls_modid
+ != (size_t) modid)
+ {
+ printf ("round %d: modid now %zu, initially %d\n",
+ i,
+ ((struct link_map *)((struct dyn_elf *)h)->dyn)->l_tls_modid,
+ modid);
+ result = 1;
+ }
+#else
+ if (modid == -1)
+ modid = ((struct link_map *) h)->l_tls_modid;
+ else if (((struct link_map *) h)->l_tls_modid != (size_t) modid)
+ {
+ printf ("round %d: modid now %zu, initially %d\n",
+ i, ((struct link_map *) h)->l_tls_modid, modid);
+ result = 1;
+ }
+#endif
+
+ fp = dlsym (h, "in_dso2");
+ if (fp == NULL)
+ {
+ printf ("cannot get symbol 'in_dso2': %s\n", dlerror ());
+ exit (1);
+ }
+
+ result |= fp ();
+
+ dlclose (h);
+ }
+
+ return result;
+#else
+ return 0;
+#endif
+}
+
+
+#include "../test-skeleton.c"