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| author | Douglas Gregor <dgregor@apple.com> | 2013-04-05 20:48:36 +0000 |
|---|---|---|
| committer | Douglas Gregor <dgregor@apple.com> | 2013-04-05 20:48:36 +0000 |
| commit | 0591f19c8b84311288ef19f76952c334b9730681 (patch) | |
| tree | c6671f512dc7277e51ef513378292f3e2b7644b5 /lib | |
| parent | c0a74e28cf937f0e847b1bb907c396411e2aac36 (diff) | |
| download | llvm-0591f19c8b84311288ef19f76952c334b9730681.tar.gz llvm-0591f19c8b84311288ef19f76952c334b9730681.tar.bz2 llvm-0591f19c8b84311288ef19f76952c334b9730681.tar.xz | |
<rdar://problem/13551789> Fix yet another race in unique_file.
If the directory that will contain the unique file doesn't exist when
we tried to create the file, but another process creates it before we
get a chance to try creating it, we would bail out rather than try to
create the unique file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178908 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Support/Unix/PathV2.inc | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/lib/Support/Unix/PathV2.inc b/lib/Support/Unix/PathV2.inc index a3dfd4b0a3..7e0aead151 100644 --- a/lib/Support/Unix/PathV2.inc +++ b/lib/Support/Unix/PathV2.inc @@ -430,9 +430,7 @@ rety_open_create: if (SavedErrno == errc::file_exists) goto retry_random_path; // If path prefix doesn't exist, try to create it. - if (SavedErrno == errc::no_such_file_or_directory && - !exists(path::parent_path(RandomPath)) && - !TriedToCreateParent) { + if (SavedErrno == errc::no_such_file_or_directory && !TriedToCreateParent) { TriedToCreateParent = true; StringRef p(RandomPath); SmallString<64> dir_to_create; |