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https://github.com/checkpoint-restore/criu.git
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66a7f1a3df
The mode argument must be supplied when O_CREAT is specified in flags. Otherwise it will cause compile error due to -Werror is specified. Signed-off-by: Viktor Konyashkin <vkonyashkin@parallels.com> Acked-by: Andrew Vagin <avagin@parallels.com> Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
117 lines
2 KiB
C
117 lines
2 KiB
C
#include <unistd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/wait.h>
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#include <fcntl.h>
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#include <signal.h>
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#include <stdio.h>
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#include "zdtmtst.h"
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#define OFFSET 1000
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#define OFFSET2 500
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const char *test_doc = "Check shared struct file-s";
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const char *test_author = "Andrey Vagin <avagin@openvz.org>";
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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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pid_t pid;
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int fd, fd2, fd3, ret, status;
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off_t off;
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test_init(argc, argv);
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fd = open(filename, O_RDWR | O_CREAT, 0644);
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if (fd == -1)
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return 1;
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fd2 = dup(fd);
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if (fd < 0)
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return 1;
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fd3 = open(filename, O_RDWR | O_CREAT, 0644);
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if (fd3 == -1)
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return 1;
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test_daemon();
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pid = test_fork();
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if (pid == -1)
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return 1;
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else if (pid) {
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fcntl(fd2, F_SETFD, 1);
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test_waitsig();
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off = lseek(fd, OFFSET, SEEK_SET);
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if (off == (off_t) -1)
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return 1;
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off = lseek(fd3, OFFSET2, SEEK_SET);
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if (off == (off_t) -1)
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return 1;
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ret = kill(pid, SIGTERM);
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if (ret == -1) {
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err("kill() failed: %m");
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}
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ret = wait(&status);
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if (ret == -1) {
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err("wait() failed: %m");
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return 1;
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}
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if (!WIFEXITED(status) || WEXITSTATUS(status)) {
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fail("Child exited with non-zero status");
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return 1;
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}
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off = lseek(fd2, 0, SEEK_CUR);
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if (off != OFFSET) {
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fail("offset1 fail\n");
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return 1;
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}
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off = lseek(fd3, 0, SEEK_CUR);
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if (off != OFFSET2) {
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fail("offset2 fail\n");
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return 1;
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}
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ret = fcntl(fd, F_GETFD, 0);
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if (ret != 0) {
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fail("fd cloexec broken\n");
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return 1;
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}
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ret = fcntl(fd2, F_GETFD, 0);
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if (ret != 1) {
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fail("fd2 cloexec broken\n");
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return 1;
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}
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} else {
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test_waitsig();
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off = lseek(fd, 0, SEEK_CUR);
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if (off != OFFSET) {
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fail("offset3 fail\n");
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return 1;
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}
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off = lseek(fd2, 0, SEEK_CUR);
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if (off != OFFSET) {
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fail("offset4 fail\n");
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return 1;
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}
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off = lseek(fd3, 0, SEEK_CUR);
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if (off != OFFSET2) {
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fail("offset5 fail\n");
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return 1;
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}
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return 0;
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}
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pass();
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return 0;
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}
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