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annotate src/lib/nfs-workarounds.h @ 8590:b9faf4db2a9f HEAD

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Updated copyright notices to include year 2009.
author Timo Sirainen <tss@iki.fi>
date Tue, 06 Jan 2009 09:25:38 -0500
parents 41911abe6fa7
children
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e4eb71ae8e96 Changed .h ifdef/defines to use <NAME>_H format.
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1 #ifndef NFS_WORKAROUNDS_H
e4eb71ae8e96 Changed .h ifdef/defines to use <NAME>_H format.
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2 #define NFS_WORKAROUNDS_H
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cd3d26cf124a Renamed safe-open.* to nfs-workarounds.*, safe_open() to nfs_safe_open() and
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3
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5f1069459a07 Include <sys/stat.h> before using struct stat, because some systems may use
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4 /* Note that some systems (Solaris) may use a macro to redefine struct stat */
5f1069459a07 Include <sys/stat.h> before using struct stat, because some systems may use
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5 #include <sys/stat.h>
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abdef9d86a94 Added nfs_safe_stat() to transparently work around ESTALE with stat().
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6
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7 /* When syscall fails with ESTALE error, how many times to try reopening the
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8 file and retrying the operation. */
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9 #define NFS_ESTALE_RETRY_COUNT 10
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10
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a290b84d144a Added nfs_flush_attr_cache() and nfs_flush_read_cache().
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11 /* Same as open(), but try to handle ESTALE errors. */
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12 int nfs_safe_open(const char *path, int flags);
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13 /* Same as stat(), but try to handle ESTALE errors.
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14 Doesn't flush attribute cache. */
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15 int nfs_safe_stat(const char *path, struct stat *buf);
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885ed4d5c51d Added nfs_safe_lstat()
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16 int nfs_safe_lstat(const char *path, struct stat *buf);
6813
575235932194 nfs_safe_link(): Support linking files without original link count=1. Use it
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17 /* Same as link(), but handle problems with link() by verifying the file's
575235932194 nfs_safe_link(): Support linking files without original link count=1. Use it
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18 link count changes. If links1=TRUE, assume the original file's link count
575235932194 nfs_safe_link(): Support linking files without original link count=1. Use it
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19 is 1, otherwise stat() first to find it out. */
575235932194 nfs_safe_link(): Support linking files without original link count=1. Use it
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20 int nfs_safe_link(const char *oldpath, const char *newpath, bool links1);
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22 /* Flush attribute cache for given path. The file must not be fcntl locked or
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23 the locks may get dropped. */
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24 void nfs_flush_attr_cache_unlocked(const char *path);
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25 /* Flush attribute cache for given path. The file may be fcntl locked. */
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26 void nfs_flush_attr_cache_maybe_locked(const char *path);
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27 /* Flush attribute cache for a fcntl locked file descriptor. If locking flushes
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28 the attribute cache with the running OS, this function does nothing.
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29 The given path is used only for logging. */
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30 bool nfs_flush_attr_cache_fd_locked(const char *path, int fd);
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31 /* Flush file handle cache for given file. */
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32 void nfs_flush_file_handle_cache(const char *path);
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33
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34 /* Flush read cache for fd that was just fcntl locked. If the OS flushes
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35 read cache when fcntl locking file, this function does nothing. */
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36 void nfs_flush_read_cache_locked(const char *path, int fd);
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37 /* Flush read cache for fd that doesn't have fcntl locks. */
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38 void nfs_flush_read_cache_unlocked(const char *path, int fd);
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parents: 5968
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39
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40 #endif