diff options
author | Corinna Vinschen <corinna@vinschen.de> | 2009-11-18 23:05:46 +0300 |
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committer | Corinna Vinschen <corinna@vinschen.de> | 2009-11-18 23:05:46 +0300 |
commit | 9fa63f7a5eee67e4c0eeb56d9927cae4da926abe (patch) | |
tree | d3c3e67bd94fb29848231d308a8c07cec75fa28e /winsup/cygwin/flock.cc | |
parent | b425cbf482350bd4a7ca3d60d6cf0e5b3f74fde1 (diff) |
* flock.cc (fhandler_disk_file::lock): Disable a shortcut from the
original BSD code, but keep it in and documented why we can't use it.
Diffstat (limited to 'winsup/cygwin/flock.cc')
-rw-r--r-- | winsup/cygwin/flock.cc | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/winsup/cygwin/flock.cc b/winsup/cygwin/flock.cc index 92b03d51e..11a2a5731 100644 --- a/winsup/cygwin/flock.cc +++ b/winsup/cygwin/flock.cc @@ -767,8 +767,13 @@ fhandler_disk_file::lock (int a_op, struct __flock64 *fl) lockf_t **head = &node->i_lockf; +#if 0 /* * Avoid the common case of unlocking when inode_t has no locks. + * + * This shortcut is invalid for Cygwin because the above inode_t::get + * call returns with an empty lock list if this process has no locks + * on the file yet. */ if (*head == NULL) { @@ -779,6 +784,7 @@ fhandler_disk_file::lock (int a_op, struct __flock64 *fl) return 0; } } +#endif /* * Allocate a spare structure in case we have to split. */ |