Use thread-local storage to block event_queue recursion.

1 files changed, 27 insertions, 0 deletions

diff --git a/src/common/compat_winthreads.c b/src/common/compat_winthreads.c
index 71b994c4e4..3d9e236d8b 100644
--- a/src/common/compat_winthreads.c
+++ b/src/common/compat_winthreads.c
@@ -123,6 +123,33 @@ tor_cond_signal_all(tor_cond_t *cond)
 }
 
 int
+tor_threadlocal_init(tor_threadlocal_t *threadlocal)
+{
+  threadlocal->index = TlsAlloc();
+  return (threadlocal->index == TLS_OUT_OF_INDEXES) ? -1 : 0;
+}
+
+void
+tor_threadlocal_destroy(tor_threadlocal_t *threadlocal)
+{
+  TlsFree(threadlocal->index);
+  memset(threadlocal, 0, sizeof(tor_threadlocal_t));
+}
+
+void *
+tor_threadlocal_get(tor_threadlocal_t *threadlocal)
+{
+  return TlsGetValue(threadlocal->index);
+}
+
+void
+tor_threadlocal_set(tor_threadlocal_t *threadlocal, void *value)
+{
+  BOOL ok = TlsSetValue(threadlocal->index, value);
+  tor_assert(ok);
+}
+
+int
 tor_cond_wait(tor_cond_t *cond, tor_mutex_t *lock_, const struct timeval *tv)
 {
   CRITICAL_SECTION *lock = &lock_->mutex;