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[DirectoryWatcher][linux] Fix for older kernels 

IN_EXCL_UNLINK exists since Linux 2.6.36

Differential Revision: https://reviews.llvm.org/D64764

llvm-svn: 366152
This commit is contained in:
Jan Korous 2019-07-15 23:14:00 +00:00
parent 51193871da
commit 60a0d49e77
1 changed files with 7 additions and 2 deletions
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9
clang/lib/DirectoryWatcher/linux/DirectoryWatcher-linux.cpp
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@ -24,6 +24,7 @@
#include <vector>
#include <fcntl.h>
#include <linux/version.h>
#include <sys/epoll.h>
#include <sys/inotify.h>
#include <unistd.h>
@ -332,8 +333,12 @@ std::unique_ptr<DirectoryWatcher> clang::DirectoryWatcher::create(
const int InotifyWD = inotify_add_watch(
InotifyFD, Path.str().c_str(),
IN_CREATE | IN_DELETE | IN_DELETE_SELF | IN_EXCL_UNLINK | IN_MODIFY |
IN_MOVED_FROM | IN_MOVE_SELF | IN_MOVED_TO | IN_ONLYDIR | IN_IGNORED);
IN_CREATE | IN_DELETE | IN_DELETE_SELF | IN_MODIFY |
IN_MOVED_FROM | IN_MOVE_SELF | IN_MOVED_TO | IN_ONLYDIR | IN_IGNORED
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36)
| IN_EXCL_UNLINK
#endif
);
if (InotifyWD == -1)
return nullptr;