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authorGarrett D'Amore <garrett@damore.org>2018-03-05 17:27:04 -0800
committerGarrett D'Amore <garrett@damore.org>2018-03-05 19:39:15 -0800
commitc4da7817b4c8dd71b2a07d4d1c46b486ec57eeb4 (patch)
treeb1166d49e6673fcbad28c0bd65630f5af37a86ab /src/platform/windows/win_file.c
parentb6298c28473acbed2f1429176c7cae4fb514d98b (diff)
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fixes #265 nngcat should support persistent ZT nodes
fixes #267 zerotier transport should lock ZT_HOME
Diffstat (limited to 'src/platform/windows/win_file.c')
-rw-r--r--src/platform/windows/win_file.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/src/platform/windows/win_file.c b/src/platform/windows/win_file.c
index 2a9504aa..515647e0 100644
--- a/src/platform/windows/win_file.c
+++ b/src/platform/windows/win_file.c
@@ -342,4 +342,28 @@ nni_plat_file_basename(const char *name)
return (name);
}
+int
+nni_plat_file_lock(const char *path, nni_plat_flock *lk)
+{
+ HANDLE h;
+
+ // On Windows we do not have to explicitly lock the file, the
+ // dwShareMode being set to zeor effectively prevents it.
+ h = CreateFile(path, GENERIC_WRITE, 0, NULL, OPEN_ALWAYS,
+ FILE_ATTRIBUTE_NORMAL, NULL);
+ if (h == INVALID_HANDLE_VALUE) {
+ return (nni_win_error(GetLastError()));
+ }
+ lk->h = h;
+ return (0);
+}
+
+void
+nni_plat_file_unlock(nni_plat_flock *lk)
+{
+ HANDLE h = lk->h;
+ (void) CloseHandle(h);
+ lk->h = INVALID_HANDLE_VALUE;
+}
+
#endif // NNG_PLATFORM_WINDOWS \ No newline at end of file