diff options
Diffstat (limited to 'elf/loadfail.c')
| -rw-r--r-- | elf/loadfail.c | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/elf/loadfail.c b/elf/loadfail.c index 60deb77..e423356 100644 --- a/elf/loadfail.c +++ b/elf/loadfail.c @@ -1,25 +1,36 @@ #include <dlfcn.h> #include <error.h> +#include <mcheck.h> #include <stdio.h> #include <stdlib.h> int main (void) { + void *su[5]; void *h; + int n; - if (dlopen ("testobj1.so", RTLD_GLOBAL | RTLD_NOW) == NULL - || dlopen ("testobj1.so", RTLD_GLOBAL | RTLD_NOW) == NULL - || dlopen ("testobj2.so", RTLD_GLOBAL | RTLD_NOW) == NULL - || dlopen ("testobj3.so", RTLD_GLOBAL | RTLD_NOW) == NULL - || dlopen ("testobj4.so", RTLD_GLOBAL | RTLD_NOW) == NULL - || dlopen ("testobj5.so", RTLD_GLOBAL | RTLD_NOW) == NULL) + mtrace (); + + if ((su[0] = dlopen ("testobj1.so", RTLD_GLOBAL | RTLD_NOW)) == NULL + || (su[1] = dlopen ("testobj2.so", RTLD_GLOBAL | RTLD_NOW)) == NULL + || (su[2] = dlopen ("testobj3.so", RTLD_GLOBAL | RTLD_NOW)) == NULL + || (su[3] = dlopen ("testobj4.so", RTLD_GLOBAL | RTLD_NOW)) == NULL + || (su[4] = dlopen ("testobj5.so", RTLD_GLOBAL | RTLD_NOW)) == NULL) error (EXIT_FAILURE, 0, "failed to load shared object: %s", dlerror ()); h = dlopen ("failobj.so", RTLD_GLOBAL | RTLD_NOW); printf ("h = %p, %s\n", h, h == NULL ? "ok" : "fail"); + for (n = 0; n < 5; ++n) + if (dlclose (su[n]) != 0) + { + printf ("failed to unload su[%d]: %s\n", n, dlerror ()); + exit (EXIT_FAILURE); + } + return h != NULL; } |