diff options
Diffstat (limited to 'lib/Support')
| -rw-r--r-- | lib/Support/Unix/PathV2.inc | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/lib/Support/Unix/PathV2.inc b/lib/Support/Unix/PathV2.inc index 741f44a9db..44b31b3202 100644 --- a/lib/Support/Unix/PathV2.inc +++ b/lib/Support/Unix/PathV2.inc @@ -417,6 +417,10 @@ retry_random_path: RandomPath[i] = "0123456789abcdef"[sys::Process::GetRandomNumber() & 15]; } + // Make sure we don't fall into an infinite loop by constantly trying + // to create the parent path. + bool TriedToCreateParent = false; + // Try to open + create the file. rety_open_create: int RandomFD = ::open(RandomPath.c_str(), O_RDWR | O_CREAT | O_EXCL, mode); @@ -427,7 +431,9 @@ rety_open_create: 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))) { + !exists(path::parent_path(RandomPath)) && + !TriedToCreateParent) { + TriedToCreateParent = true; StringRef p(RandomPath); SmallString<64> dir_to_create; for (path::const_iterator i = path::begin(p), |