From 9ec94f1d22a87fbf86f721c6106f78f85b8be33c Mon Sep 17 00:00:00 2001
From: Nick Mathewson <nickm@torproject.org>
Date: Wed, 12 Aug 2015 10:49:19 -0400
Subject: Use thread-local storage to block event_queue recursion.

---
 src/common/compat_winthreads.c | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

(limited to 'src/common/compat_winthreads.c')

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
@@ -122,6 +122,33 @@ tor_cond_signal_all(tor_cond_t *cond)
   tor_cond_signal_impl(cond, 1);
 }
 
+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)
 {
-- 
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