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Align open_fdinfo_dir with pidfds_to_pids
The function `pidfds_to_pids` expected `-1` if `open_fdinfo_dir` failed but the latter returned `errno` which is hard to distinguish from a valid file handle. Correct that by making `open_fdinfo_dir` a wrapper around `open`.
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@ -196,12 +196,5 @@ int pidfds_to_pids(int *fds, pid_t *pids, int count)
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/* misc directory helpers */
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int open_fdinfo_dir(void)
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{
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int fd;
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fd = open("/proc/self/fdinfo", O_RDONLY | O_NONBLOCK | O_DIRECTORY | O_CLOEXEC | O_NOCTTY);
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if (fd == -1)
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return errno;
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return fd;
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return open("/proc/self/fdinfo", O_RDONLY | O_NONBLOCK | O_DIRECTORY | O_CLOEXEC | O_NOCTTY);
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}
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