#include <dlfcn.h> #include <stdio.h> #include <stdlib.h> #include <tls.h> #define TEST_FUNCTION do_test () static int do_test (void) { #ifdef USE_TLS static const char modname[] = "tst-tlsmod2.so"; int result = 0; int *foop; int *foop2; int (*fp) (int, int *); void *h; h = dlopen (modname, RTLD_LAZY); if (h == NULL) { printf ("cannot open '%s': %s\n", modname, dlerror ()); exit (1); } foop = dlsym (h, "foo"); if (foop == NULL) { printf ("cannot get symbol 'foo': %s\n", dlerror ()); exit (1); } *foop = 42; fp = dlsym (h, "in_dso"); if (fp == NULL) { printf ("cannot get symbol 'in_dso': %s\n", dlerror ()); exit (1); } result |= fp (42, foop); foop2 = dlsym (h, "foo"); if (foop2 == NULL) { printf ("cannot get symbol 'foo' the second time: %s\n", dlerror ()); exit (1); } if (foop != foop2) { puts ("address of 'foo' different the second time"); result = 1; } else if (*foop != 16) { puts ("foo != 16"); result = 1; } dlclose (h); return result; #else return 0; #endif } #include "../test-skeleton.c"