mirror of
https://github.com/checkpoint-restore/criu.git
synced 2026-07-19 01:26:22 +00:00
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>
109 lines
1.7 KiB
C
109 lines
1.7 KiB
C
#include <sys/types.h>
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#include <sys/mman.h>
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#include <errno.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <dirent.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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#include "lock.h"
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const char *test_doc = "Check that criu closes up all its descriptors";
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const char *test_author = "Andrew Vagin <avagin@parallels.com>";
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int main(int argc, char **argv)
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{
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struct dirent *de;
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char pfd[PATH_MAX];
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mutex_t *lock;
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int status;
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pid_t pid;
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DIR *d;
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test_init(argc, argv);
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lock = mmap(NULL, PAGE_SIZE, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANONYMOUS, -1, 0);
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if (lock == MAP_FAILED)
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return 1;
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mutex_init(lock);
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mutex_lock(lock);
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pid = fork();
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if (pid < 0) {
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pr_perror("fork()");
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return 1;
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}
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if (pid == 0) {
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d = opendir("/proc/self/fd");
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if (d == NULL)
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return 1;
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while ((de = readdir(d))) {
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int fd;
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if (de->d_name[0] == '.')
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continue;
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fd = atoi(de->d_name);
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if (dirfd(d) == fd)
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continue;
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close(fd);
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}
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closedir(d);
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mutex_unlock(lock);
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test_waitsig();
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return 0;
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}
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mutex_lock(lock);
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test_daemon();
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test_waitsig();
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snprintf(pfd, sizeof(pfd), "/proc/%d/fd", pid);
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d = opendir(pfd);
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if (d == NULL)
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return 2;
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while ((de = readdir(d))) {
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int ret;
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if (de->d_name[0] == '.')
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continue;
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ret = readlinkat(dirfd(d), de->d_name, pfd, sizeof(pfd) - 1);
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if (ret < 0) {
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pr_perror("readlink");
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ret = 0;
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}
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pfd[ret] = '\0';
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fail("Unexpected fd: %s -> %s\n", de->d_name, pfd);
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return 1;
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}
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closedir(d);
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kill(pid, SIGTERM);
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if (waitpid(pid, &status, 0) != pid) {
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pr_perror("waitpid()");
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return 1;
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}
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if (status != 0) {
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fail("%d:%d:%d:%d", WIFEXITED(status), WEXITSTATUS(status),
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WIFSIGNALED(status), WTERMSIG(status));
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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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