mirror of
https://github.com/checkpoint-restore/criu.git
synced 2026-07-21 01:06:58 +00:00
93dd984ca0
Acked-by: Mike Rapoport <rppt@linux.ibm.com> Signed-off-by: Adrian Reber <areber@redhat.com>
56 lines
1 KiB
C
56 lines
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 <sys/types.h>
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#include <sys/stat.h>
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#include <sys/wait.h>
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#include <linux/limits.h>
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#include "zdtmtst.h"
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#define MEM_SIZE (1L << 29)
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const char *test_doc = "Test big mappings";
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const char *test_author = "Andrew Vagin <avagin@openvz.org";
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int main(int argc, char **argv)
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{
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void *m;
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uint32_t crc;
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int i;
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test_init(argc, argv);
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m = mmap(NULL, MEM_SIZE, PROT_WRITE | PROT_READ, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
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if (m == MAP_FAILED) {
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fail();
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return 1;
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}
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crc = ~0;
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datagen(m, MEM_SIZE, &crc);
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for (i = 0; i < MEM_SIZE / (1 << 20); i++)
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if (mprotect(m + (lrand48() * PAGE_SIZE % MEM_SIZE), PAGE_SIZE, PROT_NONE)) {
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pr_perror("mprotect");
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return 1;
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}
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test_daemon();
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test_waitsig();
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if (mprotect(m, MEM_SIZE, PROT_READ))
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pr_perror("mprotect");
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crc = ~0;
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if (datachk(m, MEM_SIZE, &crc))
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fail("Mem corrupted");
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else
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pass();
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return 0;
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}
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