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| author | David Robillard <d@drobilla.net> | 2020-08-06 16:37:00 +0200 |
|---|---|---|
| committer | David Robillard <d@drobilla.net> | 2020-08-06 21:35:16 +0200 |
| commit | 64fbc5533bbb85ee9b35b44ac240d75be9f8e267 (patch) | |
| tree | 34fa733d732c972436c5a164ae320e9ad60b0c65 | |
| parent | 1dd3439bb66eae7b61a3ce22b72ae8668fec1b58 (diff) | |
| download | lilv-64fbc5533bbb85ee9b35b44ac240d75be9f8e267.tar.gz lilv-64fbc5533bbb85ee9b35b44ac240d75be9f8e267.tar.bz2 lilv-64fbc5533bbb85ee9b35b44ac240d75be9f8e267.zip | |
Implement file locking on Windows
| -rw-r--r-- | src/filesystem.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/src/filesystem.c b/src/filesystem.c index f521179..e610d07 100644 --- a/src/filesystem.c +++ b/src/filesystem.c @@ -305,7 +305,20 @@ lilv_symlink(const char* oldpath, const char* newpath) int lilv_flock(FILE* file, bool lock, bool block) { -#if defined(HAVE_FLOCK) && defined(HAVE_FILENO) +#ifdef _WIN32 + HANDLE handle = (HANDLE)_get_osfhandle(fileno(file)); + OVERLAPPED overlapped = {0}; + + if (lock) { + const DWORD flags = (LOCKFILE_EXCLUSIVE_LOCK | + (block ? 0 : LOCKFILE_FAIL_IMMEDIATELY)); + + return !LockFileEx( + handle, flags, 0, UINT32_MAX, UINT32_MAX, &overlapped); + } else { + return !UnlockFileEx(handle, 0, UINT32_MAX, UINT32_MAX, &overlapped); + } +#elif defined(HAVE_FLOCK) && defined(HAVE_FILENO) return flock(fileno(file), (lock ? LOCK_EX : LOCK_UN) | (block ? 0 : LOCK_NB)); #else |