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| author | Paul Eggert <eggert@cs.ucla.edu> | 2013-05-04 17:51:49 -0700 |
|---|---|---|
| committer | Paul Eggert <eggert@cs.ucla.edu> | 2013-05-04 17:51:49 -0700 |
| commit | cbee2131718baa6389713bb551bcfd5c72b39035 (patch) | |
| tree | 2f28d12ed0cac14194f0e9a56376b19ccad3c2b5 /src/filelock.c | |
| parent | fd3a9a6b378e556c3b09b217920d95cb129a13d6 (diff) | |
| download | emacs-cbee2131718baa6389713bb551bcfd5c72b39035.tar.gz | |
`write-region-inhibit-fsync' defaults to noninteractive.
* cmdargs.texi (Initial Options):
* files.texi (Customize Save): Document this.
* etc/NEWS: Document this.
* src/fileio.c (syms_of_fileio): Implement this.
* src/filelock.c (create_lock_file): If symbolic links don't work, so
we use a regular file as a lock file, do not fsync the lock file;
it's not needed.
Fixes: debbugs:14273
Diffstat (limited to 'src/filelock.c')
| -rw-r--r-- | src/filelock.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/src/filelock.c b/src/filelock.c index f17d3182eab..de6aba8385c 100644 --- a/src/filelock.c +++ b/src/filelock.c @@ -437,14 +437,8 @@ create_lock_file (char *lfname, char *lock_info_str, bool force) if (emacs_write (fd, lock_info_str, lock_info_len) != lock_info_len || (need_fchmod && fchmod (fd, world_readable) != 0)) err = errno; - else - while (fsync (fd) != 0) - if (errno != EINTR) - { - if (errno != EINVAL) - err = errno; - break; - } + /* There is no need to call fsync here, as the contents of + the lock file need not survive system crashes. */ if (emacs_close (fd) != 0) err = errno; if (!err && rename_lock_file (nonce, lfname, force) != 0) |