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>
122 lines
2.3 KiB
C
122 lines
2.3 KiB
C
#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/wait.h>
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#include "zdtmtst.h"
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const char *test_doc = "Lock inversion";
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const char *test_author = "Andrey Vagin <avagin@parallels.com>";
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#define TEST_STRING "Hello world"
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int main(int argc, char **argv)
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{
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int pipe1[2];
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int pipe2[2];
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int ret;
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pid_t pid;
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char buf[sizeof(TEST_STRING)];
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task_waiter_t t;
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test_init(argc, argv);
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task_waiter_init(&t);
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ret = pipe(pipe1);
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if (ret)
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return 1;
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ret = pipe(pipe2);
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if (ret)
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return 1;
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pid = test_fork();
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if (pid < 0) {
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pr_perror("Can't fork");
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exit(1);
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} else if (pid == 0) {
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if (dup2(pipe1[1], 11) == -1 || dup2(pipe2[0], 12) == -1) {
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pr_perror("dup2 failed");
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return 1;
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}
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} else {
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if (dup2(pipe1[0], 12) == -1 || dup2(pipe2[1], 11) == -1) {
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pr_perror("dup2 failed");
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goto err;
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}
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}
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close(pipe2[0]);
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close(pipe2[1]);
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close(pipe1[0]);
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close(pipe1[1]);
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if (pid > 0) {
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int status;
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task_waiter_wait4(&t, 1);
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test_daemon();
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test_waitsig();
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ret = read(12, buf, sizeof(TEST_STRING));
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if (ret != sizeof(TEST_STRING)) {
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pr_perror("read failed: %d", ret);
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goto err;
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}
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ret = write(11, TEST_STRING, sizeof(TEST_STRING));
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if (ret != sizeof(TEST_STRING)) {
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pr_perror("write failed: %d", ret);
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goto err;
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}
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close(11);
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ret = read(12, buf, sizeof(TEST_STRING));
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if (ret != sizeof(TEST_STRING)) {
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pr_perror("read failed: %d", ret);
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goto err;
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}
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if (strcmp(TEST_STRING, buf)) {
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pr_perror("data corruption");
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goto err;
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}
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ret = wait(&status);
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if (ret == -1 || !WIFEXITED(status) || WEXITSTATUS(status)) {
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kill(pid, SIGKILL);
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goto err;
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}
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pass();
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} else {
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task_waiter_complete(&t, 1);
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ret = write(11, TEST_STRING, sizeof(TEST_STRING));
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if (ret != sizeof(TEST_STRING)) {
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pr_perror("write failed: %d", ret);
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return 1;
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}
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ret = read(12, buf, sizeof(TEST_STRING));
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if (ret != sizeof(TEST_STRING)) {
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pr_perror("read failed: %d", ret);
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return 1;
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}
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ret = write(11, TEST_STRING, sizeof(TEST_STRING));
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if (ret != sizeof(TEST_STRING)) {
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pr_perror("write failed: %d", ret);
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return 1;
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}
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close(11);
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if (strcmp(TEST_STRING, buf)) {
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pr_perror("data corruption");
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return 1;
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}
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}
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return 0;
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err:
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pr_perror("FAIL");
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return 1;
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}
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