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https://github.com/checkpoint-restore/criu.git
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2e13f1f029
Move static and transition into zdtm top. We can't move all the micro tests themselves, as we need to distinguish static from non static (zdtm.py makes additional checks on static ones). Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
91 lines
2.1 KiB
C
91 lines
2.1 KiB
C
#include <errno.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <signal.h>
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#include <string.h>
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#include <sys/mman.h>
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#include <setjmp.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include "zdtmtst.h"
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const char *test_doc = "Create a bunch of small VMAs and test they survive transferring\n";
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const char *test_author = "Cyrill Gorcunov <gorcunov@openvz.org>";
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#define NR_MAPS 4096
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#define NR_MAPS_1 (NR_MAPS + 0)
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#define NR_MAPS_2 (NR_MAPS + 1)
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#define MAPS_SIZE_1 (140 << 10)
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#define MAPS_SIZE_2 (8192)
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int main(int argc, char *argv[])
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{
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void *map[NR_MAPS + 2] = { }, *addr;
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size_t i, summary;
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test_init(argc, argv);
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summary = NR_MAPS * 2 * 4096 + MAPS_SIZE_1 + MAPS_SIZE_2 + (1 << 20);
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addr = mmap(NULL, summary, PROT_NONE, MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);
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if (addr == MAP_FAILED) {
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pr_perror("Can't mmap");
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return 1;
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}
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munmap(addr, summary);
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for (i = 0; i < NR_MAPS; i++) {
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map[i] = mmap(i > 0 ? map[i - 1] + 8192 : addr, 4096, PROT_READ | PROT_WRITE,
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MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);
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if (map[i] == MAP_FAILED) {
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pr_perror("Can't mmap");
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return 1;
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} else {
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/* Dirtify it */
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int *v = (void *)map[i];
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*v = i;
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}
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}
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map[NR_MAPS_1] = mmap(map[NR_MAPS_1 - 1] + 8192, MAPS_SIZE_1, PROT_READ | PROT_WRITE | PROT_EXEC,
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MAP_ANONYMOUS | MAP_PRIVATE | MAP_GROWSDOWN, -1, 0);
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if (map[NR_MAPS_1] == MAP_FAILED) {
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pr_perror("Can't mmap");
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return 1;
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} else {
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/* Dirtify it */
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int *v = (void *)map[NR_MAPS_1];
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*v = i;
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test_msg("map-1: %p %p\n", map[NR_MAPS_1], map[NR_MAPS_1] + MAPS_SIZE_1);
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}
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map[NR_MAPS_2] = mmap(map[NR_MAPS_1] + MAPS_SIZE_1, MAPS_SIZE_2, PROT_READ | PROT_WRITE,
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MAP_ANONYMOUS | MAP_PRIVATE | MAP_GROWSDOWN, -1, 0);
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if (map[NR_MAPS_2] == MAP_FAILED) {
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pr_perror("Can't mmap");
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return 1;
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} else {
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/* Dirtify it */
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int *v = (void *)map[NR_MAPS_2];
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*v = i;
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test_msg("map-2: %p %p\n", map[NR_MAPS_2], map[NR_MAPS_2] + MAPS_SIZE_2);
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}
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test_daemon();
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test_waitsig();
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for (i = 0; i < NR_MAPS; i++) {
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int *v = (void *)map[i];
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if (*v != i) {
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fail("Data corrupted at page %lu", (unsigned long)i);
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return 1;
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}
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}
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pass();
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return 0;
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}
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