int mm_main(int argc, char *argv[])
#endif
{
mm_showmallinfo();
/* Allocate some memory */
do_mallocs(allocs, alloc_sizes, random1, NTEST_ALLOCS);
/* Re-allocate the memory */
do_reallocs(allocs, alloc_sizes, realloc_sizes, random2, NTEST_ALLOCS);
/* Release the memory */
do_frees(allocs, realloc_sizes, random3, NTEST_ALLOCS);
/* Allocate aligned memory */
do_memaligns(allocs, alloc_sizes, alignment, random2, NTEST_ALLOCS/2);
do_memaligns(allocs, alloc_sizes, alignment, &random2[NTEST_ALLOCS/2], NTEST_ALLOCS/2);
/* Release aligned memory */
do_frees(allocs, alloc_sizes, random1, NTEST_ALLOCS);
printf("TEST COMPLETE\n");
return 0;
}
int
main(int argc, char *argv[]) {
struct timespec *t1;
void *child_stack;
int clone_flags = 0, do_clone_vm;
int iters;
int child_status, child_pid;
int i;
if (argc < (NARGS+1))
{
printf("test_clone <malloc_cnt> <clone_vm> <iters>\n");
return -2;
}
//clone_flags = CLONE_FS|CLONE_FILES;
sscanf(argv[1], "%d", &malloc_cnt);
ptrs = (struct alloc_info *)malloc(
sizeof(struct alloc_info)*malloc_cnt);
sscanf(argv[2], "%d", &do_clone_vm);
if (do_clone_vm)
clone_flags |= CLONE_VM;
sscanf(argv[3], "%d", &iters);
child_done = (int *)mmap(NULL, sizeof(int), PROT_READ|PROT_WRITE,
MAP_ANONYMOUS|MAP_SHARED, -1, 0);
if (child_done == MAP_FAILED) {
perror("map failed");
return -2;
}
t1 = mmap(NULL, sizeof(struct timespec), PROT_READ|PROT_WRITE,
MAP_ANONYMOUS|MAP_SHARED, -1, 0);
if (t1 == MAP_FAILED) {
perror("mmap failed");
return -2;
}
//dummy mallocs
malloc(PAGE_SZ);
malloc(PAGE_SZ);
#define CHILD_STACK_SZ (4*4096)
child_stack = malloc(CHILD_STACK_SZ);
if(!child_stack) {
perror("malloc");
printf("child stack allocation failed\n");
return -3;
}
for (i = 0;i<iters; i++) {
do_mallocs();
clock_gettime(CLOCK_MONOTONIC, t1);
*child_done = 0;
child_pid = clone(clone_fn, child_stack+CHILD_STACK_SZ-1, clone_flags, t1);
if (child_pid < 0) {
perror("clone failed");
return -1;
}
printf("child %d created\n", child_pid);
}
i = 0;
while(1) {
child_pid = waitpid(-1, &child_status, WNOHANG);
if (child_pid > 0) {
printf("child %d exited\n", child_pid);
i++;
if (i == iters) break;
}
sleep(1);
}
return 0;
}
