diff options
Diffstat (limited to 'elf/tst-dlmopen-twice.c')
| -rw-r--r-- | elf/tst-dlmopen-twice.c | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/elf/tst-dlmopen-twice.c b/elf/tst-dlmopen-twice.c index 449f3c8fa9..70c71fe19c 100644 --- a/elf/tst-dlmopen-twice.c +++ b/elf/tst-dlmopen-twice.c @@ -16,18 +16,38 @@ License along with the GNU C Library; if not, see <https://www.gnu.org/licenses/>. */ -#include <support/xdlfcn.h> +#include <stdio.h> #include <support/check.h> +#include <support/xdlfcn.h> -static int -do_test (void) +/* Run the test multiple times, to check finding a new namespace while + another namespace is already in use. This used to trigger bug 29600. */ +static void +recurse (int depth) { - void *handle = xdlmopen (LM_ID_NEWLM, "tst-dlmopen-twice-mod1.so", RTLD_NOW); + if (depth == 0) + return; + + printf ("info: running at depth %d\n", depth); + void *handle = xdlmopen (LM_ID_NEWLM, "tst-dlmopen-twice-mod1.so", + RTLD_NOW); xdlclose (handle); handle = xdlmopen (LM_ID_NEWLM, "tst-dlmopen-twice-mod2.so", RTLD_NOW); int (*run_check) (void) = xdlsym (handle, "run_check"); TEST_COMPARE (run_check (), 0); + recurse (depth - 1); xdlclose (handle); +} + +static int +do_test (void) +{ + /* First run the test without nesting. */ + recurse (1); + + /* Then with nesting. The constant needs to be less than the + internal DL_NNS namespace constant. */ + recurse (10); return 0; } |