diff options
Diffstat (limited to 'tools/testing/selftests/vm/mlock-intersect-test.c')
-rw-r--r-- | tools/testing/selftests/vm/mlock-intersect-test.c | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/tools/testing/selftests/vm/mlock-intersect-test.c b/tools/testing/selftests/vm/mlock-intersect-test.c deleted file mode 100644 index f78e68a0967c..000000000000 --- a/tools/testing/selftests/vm/mlock-intersect-test.c +++ /dev/null @@ -1,76 +0,0 @@ -/* - * It tests the duplicate mlock result: - * - the ulimit of lock page is 64k - * - allocate address area 64k starting from p - * - mlock [p -- p + 30k] - * - Then mlock address [ p -- p + 40k ] - * - * It should succeed since totally we locked - * 40k < 64k limitation. - * - * It should not be run with CAP_IPC_LOCK. - */ -#include <stdlib.h> -#include <stdio.h> -#include <unistd.h> -#include <sys/resource.h> -#include <sys/capability.h> -#include <sys/mman.h> -#include "mlock2.h" - -int main(int argc, char **argv) -{ - struct rlimit new; - char *p = NULL; - cap_t cap = cap_init(); - int i; - - /* drop capabilities including CAP_IPC_LOCK */ - if (cap_set_proc(cap)) - return -1; - - /* set mlock limits to 64k */ - new.rlim_cur = 65536; - new.rlim_max = 65536; - setrlimit(RLIMIT_MEMLOCK, &new); - - /* test VM_LOCK */ - p = malloc(1024 * 64); - if (mlock(p, 1024 * 30)) { - printf("mlock() 30k return failure.\n"); - return -1; - } - for (i = 0; i < 10; i++) { - if (mlock(p, 1024 * 40)) { - printf("mlock() #%d 40k returns failure.\n", i); - return -1; - } - } - for (i = 0; i < 10; i++) { - if (mlock2_(p, 1024 * 40, MLOCK_ONFAULT)) { - printf("mlock2_() #%d 40k returns failure.\n", i); - return -1; - } - } - free(p); - - /* Test VM_LOCKONFAULT */ - p = malloc(1024 * 64); - if (mlock2_(p, 1024 * 30, MLOCK_ONFAULT)) { - printf("mlock2_() 30k return failure.\n"); - return -1; - } - for (i = 0; i < 10; i++) { - if (mlock2_(p, 1024 * 40, MLOCK_ONFAULT)) { - printf("mlock2_() #%d 40k returns failure.\n", i); - return -1; - } - } - for (i = 0; i < 10; i++) { - if (mlock(p, 1024 * 40)) { - printf("mlock() #%d 40k returns failure.\n", i); - return -1; - } - } - return 0; -} |