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https://github.com/checkpoint-restore/criu.git
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c2f30337a5
On s390 we have special console drivers with minors 64 and 65. Add support for them in criu code and in zdtm testsuite. Reviewed-by: Alice Frosi <alice@linux.vnet.ibm.com> Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com> Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
64 lines
1.2 KiB
C
64 lines
1.2 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <sys/sysmacros.h>
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#include "zdtmtst.h"
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const char *test_doc = "Check c/r of a virtual terminal";
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const char *test_author = "Ruslan Kuprieiev <kupruser@gmail.com>";
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char *filename;
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TEST_OPTION(filename, string, "file name", 1);
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#ifdef __s390x__
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#define MINOR 64 /* ttyS0 */
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#else
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#define MINOR 5
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#endif
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int main(int argc, char **argv)
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{
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struct stat st1, st2;
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int fd;
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test_init(argc, argv);
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if (mknod(filename, S_IFCHR | S_IRUSR | S_IWUSR, makedev(4, MINOR))) {
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pr_perror("Can't create virtual terminal %s", filename);
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return 1;
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}
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fd = open(filename, O_RDONLY);
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if (fd < 0) {
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pr_perror("Open virtual terminal %s failed", filename);
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return 1;
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}
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if (fstat(fd, &st1)) {
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pr_perror("Can't stat %s virtual terminal", filename);
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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 (fstat(fd, &st2)) {
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pr_perror("Can't stat %s virtual terminal", filename);
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return 1;
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}
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if (st1.st_rdev != st2.st_rdev) {
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fail("Virtual terminal rdev mismatch %x != %x on %s",
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(int)st1.st_rdev, (int)st2.st_rdev,
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filename);
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return 1;
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}
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pass();
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return 0;
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}
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