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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>
62 lines
1.3 KiB
C
62 lines
1.3 KiB
C
#include <unistd.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <sys/mman.h>
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#include "zdtmtst.h"
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const char *test_doc = "Check changing memory";
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const char *test_author = "Pavel Emelyanov <xemul@parallels.com>";
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#define MEM_PAGES 16
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int main(int argc, char **argv)
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{
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void *mem;
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int i, fail = 0;
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unsigned rover = 1;
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unsigned backup[MEM_PAGES] = {};
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srand(time(NULL));
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test_init(argc, argv);
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mem = mmap(NULL, MEM_PAGES * PAGE_SIZE, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANON, 0, 0);
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if (mem == MAP_FAILED)
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return 1;
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test_msg("mem %p backup %p\n", mem, backup);
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test_daemon();
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while (test_go()) {
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unsigned pfn;
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struct timespec req = { .tv_sec = 0, .tv_nsec = 100000, };
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pfn = random() % MEM_PAGES;
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*(unsigned *)(mem + pfn * PAGE_SIZE) = rover;
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backup[pfn] = rover;
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test_msg("t %u %u\n", pfn, rover);
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rover++;
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nanosleep(&req, NULL);
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}
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test_waitsig();
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test_msg("final rover %u\n", rover);
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for (i = 0; i < MEM_PAGES; i++)
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if (backup[i] != *(unsigned *)(mem + i * PAGE_SIZE)) {
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test_msg("Page %u differs want %u has %u\n", i,
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backup[i], *(unsigned *)(mem + i * PAGE_SIZE));
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fail = 1;
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} else
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test_msg("Page %u matches %u\n", i, backup[i]);
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if (fail)
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fail("Memory corruption\n");
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else
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pass();
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return 0;
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}
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