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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>
80 lines
1.5 KiB
C
80 lines
1.5 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 "zdtmtst.h"
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const char *test_doc = "Write file half way before migration, complete and read after";
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const char *test_author = "Roman Kagan <rkagan@parallels.com>";
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char *filename;
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TEST_OPTION(filename, string, "file name", 1);
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int main(int argc, char ** argv)
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{
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int fd, fd1;
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int len, full_len;
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uint32_t crc;
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uint8_t buf[1000000];
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char str[32];
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test_init(argc, argv);
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fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC, 0644);
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if (fd < 0) {
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pr_perror("can't open %s", filename);
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exit(1);
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}
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crc = ~0;
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datagen(buf, sizeof(buf), &crc);
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full_len = sizeof(buf);
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// create standard file
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sprintf(str, "standard_%s", filename);
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fd1 = open(str, O_WRONLY | O_CREAT | O_TRUNC, 0644);
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if (write(fd1, buf, full_len) != full_len) {
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pr_perror("can't write %s", str);
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exit(1);
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}
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close(fd1);
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len = sizeof(buf) / 2;
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if (write(fd, buf, len) != len) {
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pr_perror("can't write %s", filename);
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exit(1);
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}
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test_daemon();
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test_waitsig();
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if (write(fd, buf + len, sizeof(buf) - len) != (sizeof(buf) - len)) {
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fail("can't write %s: %m\n", filename);
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goto out;
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}
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close(fd);
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fd = open(filename, O_RDONLY);
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if (fd < 0) {
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fail("can't open %s: %m\n", filename);
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return 1;
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}
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if (read(fd, buf, full_len) != full_len) {
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fail("can't read %s: %m\n", filename);
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return 1;
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}
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crc = ~0;
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if (datachk(buf, full_len, &crc)) {
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fail("CRC mismatch\n");
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return 1;
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}
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pass();
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out:
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unlink(filename);
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return 0;
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}
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