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-rw-r--r--ChangeLog4
-rw-r--r--src/common/crypto.c40
2 files changed, 44 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index 9ef989891b..73b496c16c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Changes in version 0.2.1.2-alpha - 2008-??-??
+ o Minor features:
+ - Allow OpenSSL to use dynamic locks if it wants.
+
Changes in version 0.2.1.1-alpha - 2008-06-13
o Major features:
- More work on making our TLS handshake blend in: modify the list
diff --git a/src/common/crypto.c b/src/common/crypto.c
index 18c5b81e0a..eb1af30daa 100644
--- a/src/common/crypto.c
+++ b/src/common/crypto.c
@@ -2227,6 +2227,43 @@ _openssl_locking_cb(int mode, int n, const char *file, int line)
tor_mutex_release(_openssl_mutexes[n]);
}
+struct CRYPTO_dynlock_value {
+ tor_mutex_t *lock;
+};
+
+static struct CRYPTO_dynlock_value *
+_openssl_dynlock_create_cb(const char *file, int line)
+{
+ struct CRYPTO_dynlock_value *v;
+ (void)file;
+ (void)line;
+ v = tor_malloc(sizeof(struct CRYPTO_dynlock_value));
+ v->lock = tor_mutex_new();
+ return v;
+}
+
+static void
+_openssl_dynlock_lock_cb(int mode, struct CRYPTO_dynlock_value *v,
+ const char *file, int line)
+{
+ (void)file;
+ (void)line;
+ if (mode & CRYPTO_LOCK)
+ tor_mutex_acquire(v->lock);
+ else
+ tor_mutex_release(v->lock);
+}
+
+static void
+_openssl_dynlock_destroy_cb(struct CRYPTO_dynlock_value *v,
+ const char *file, int line)
+{
+ (void)file;
+ (void)line;
+ tor_mutex_free(v->lock);
+ tor_free(v);
+}
+
/** Helper: Construct mutexes, and set callbacks to help OpenSSL handle being
* multithreaded. */
static int
@@ -2240,6 +2277,9 @@ setup_openssl_threading(void)
_openssl_mutexes[i] = tor_mutex_new();
CRYPTO_set_locking_callback(_openssl_locking_cb);
CRYPTO_set_id_callback(tor_get_thread_id);
+ CRYPTO_set_dynlock_create_callback(_openssl_dynlock_create_cb);
+ CRYPTO_set_dynlock_lock_callback(_openssl_dynlock_lock_cb);
+ CRYPTO_set_dynlock_destroy_callback(_openssl_dynlock_destroy_cb);
return 0;
}
#else