mirror of
https://github.com/checkpoint-restore/criu
synced 2025-08-22 01:51:51 +00:00
0194ed392f
Brought to you by codespell -w (using codespell v2.1.0). Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
84 lines
1.5 KiB
C
84 lines
1.5 KiB
C
#define _XOPEN_SOURCE 500
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#include <stdlib.h>
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#include "zdtmtst.h"
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <string.h>
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#include <termios.h>
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#include <signal.h>
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#include <sys/ioctl.h>
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const char *test_doc = "Check a non-opened control terminal";
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const char *test_author = "Andrey Vagin <avagin@openvz.org>";
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static const char teststr[] = "ping\n";
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int main(int argc, char *argv[])
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{
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char buf[sizeof(teststr)];
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int master, slave, ret;
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char *slavename;
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test_init(argc, argv);
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master = open("/dev/ptmx", O_RDWR);
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if (master == -1) {
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pr_perror("open(%s) failed", "/dev/ptmx");
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return 1;
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}
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grantpt(master);
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unlockpt(master);
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slavename = ptsname(master);
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slave = open(slavename, O_RDWR);
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if (slave == -1) {
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pr_perror("open(%s) failed", slavename);
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return 1;
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}
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if (ioctl(slave, TIOCSCTTY, 1)) {
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pr_perror("Can't set a control terminal");
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return 1;
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}
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close(slave);
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test_daemon();
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test_waitsig();
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slave = open("/dev/tty", O_RDWR);
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if (slave == -1) {
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pr_perror("Can't open the control terminal");
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return -1;
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}
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signal(SIGHUP, SIG_IGN);
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ret = write(master, teststr, sizeof(teststr) - 1);
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if (ret != sizeof(teststr) - 1) {
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pr_perror("write(master) failed");
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return 1;
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}
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ret = read(slave, buf, sizeof(teststr) - 1);
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if (ret != sizeof(teststr) - 1) {
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pr_perror("read(slave1) failed");
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return 1;
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}
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if (strncmp(teststr, buf, sizeof(teststr) - 1)) {
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fail("data mismatch");
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return 1;
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}
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close(master);
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close(slave);
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pass();
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return 0;
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}
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