mirror of
https://github.com/checkpoint-restore/criu.git
synced 2026-07-21 09:10:10 +00:00
93dd984ca0
Acked-by: Mike Rapoport <rppt@linux.ibm.com> Signed-off-by: Adrian Reber <areber@redhat.com>
61 lines
1.1 KiB
C
61 lines
1.1 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 <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <linux/limits.h>
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#include "zdtmtst.h"
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const char *test_doc = "Create two unshared descriptor for the one end of a pipe";
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const char *test_author = "Andrey Vagin <avagin@parallels.com>";
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int main(int argc, char **argv)
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{
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int p[2], fd;
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int ret;
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char path[PATH_MAX];
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int flags;
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test_init(argc, argv);
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ret = pipe(p);
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if (ret)
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return 1;
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snprintf(path, sizeof(path), "/proc/self/fd/%d", p[0]);
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fd = open(path, O_RDONLY);
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if (fd == -1) {
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pr_perror("open");
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return 1;
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};
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if (fcntl(fd, F_SETFL, fcntl(fd, F_GETFL, 0) | O_NONBLOCK) == -1) {
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pr_perror("fcntl");
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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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flags = fcntl(fd, F_GETFL, 0);
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if ((flags & O_NONBLOCK) == 0) {
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fail("O_NONBLOCK are not restored for %d", fd);
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return 1;
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}
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flags = fcntl(p[0], F_GETFL, 0);
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if ((flags & O_NONBLOCK) != 0) {
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fail("Unexpected O_NONBLOCK on %d", p[0]);
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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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