50 lines
1.3 KiB
C
50 lines
1.3 KiB
C
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/*-------------------------------------------------------------------------
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*
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* Assorted utility functions to work on files.
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*
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*
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* Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* src/include/common/file_utils.h
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef FILE_UTILS_H
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#define FILE_UTILS_H
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#include <dirent.h>
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typedef enum PGFileType
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{
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PGFILETYPE_ERROR,
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PGFILETYPE_UNKNOWN,
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PGFILETYPE_REG,
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PGFILETYPE_DIR,
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PGFILETYPE_LNK
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} PGFileType;
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struct iovec; /* avoid including port/pg_iovec.h here */
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#ifdef FRONTEND
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extern int fsync_fname(const char *fname, bool isdir);
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extern void fsync_pgdata(const char *pg_data, int serverVersion);
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extern void fsync_dir_recurse(const char *dir);
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extern int durable_rename(const char *oldfile, const char *newfile);
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extern int fsync_parent_path(const char *fname);
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#endif
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extern PGFileType get_dirent_type(const char *path,
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const struct dirent *de,
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bool look_through_symlinks,
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int elevel);
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extern ssize_t pg_pwritev_with_retry(int fd,
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const struct iovec *iov,
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int iovcnt,
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off_t offset);
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extern ssize_t pg_pwrite_zeros(int fd, size_t size, off_t offset);
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#endif /* FILE_UTILS_H */
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