[libvirt] [PATCH 1/1] Initialize gcrypt threading

["Daniel P. Berrange" <berrange@xxxxxxxxxx>]

* src/remote_internal.c: Register thread functions for gcrypt

Signed-off-by: Daniel P. Berrange <berrange@xxxxxxxxxx>
---
 src/remote_internal.c |   43 +++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 43 insertions(+), 0 deletions(-)

diff --git a/src/remote_internal.c b/src/remote_internal.c
index f20ed6e..65dee25 100644
--- a/src/remote_internal.c
+++ b/src/remote_internal.c
@@ -59,6 +59,7 @@
 
 #include <rpc/types.h>
 #include <rpc/xdr.h>
+#include <gcrypt.h>
 #include <gnutls/gnutls.h>
 #include <gnutls/x509.h>
 #include "gnutls_1_0_compat.h"
@@ -1065,6 +1066,46 @@ check_cert_file (virConnectPtr conn, const char *type, const char *file)
     return 0;
 }
 
+static int remote_mutex_init (void **priv)
+{                                                                             \
+    virMutexPtr lock = NULL;
+
+    if (VIR_ALLOC(lock) < 0)
+        return ENOMEM;
+
+    if (virMutexInit(lock) < 0)
+        return errno;
+
+    *priv = lock;
+    return 0;
+}
+
+static int remote_mutex_destroy (void **lock)
+{
+    virMutexDestroy(*(virMutexPtr *)lock);
+    return 0;
+}
+
+static int remote_mutex_lock (void **lock)
+{
+    virMutexLock(*(virMutexPtr *)lock);
+    return 0;
+}
+static int remote_mutex_unlock (void **lock)
+{
+    virMutexUnlock(*(virMutexPtr *)lock);
+    return 0;
+}
+
+static struct gcry_thread_cbs remote_thread_cbs = {
+    (GCRY_THREAD_OPTION_USER | (GCRY_THREAD_OPTION_VERSION << 8)),
+    NULL,
+    remote_mutex_init,
+    remote_mutex_destroy,
+    remote_mutex_lock,
+    remote_mutex_unlock,
+    NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL
+};
 
 static int
 initialise_gnutls (virConnectPtr conn)
@@ -1074,6 +1115,8 @@ initialise_gnutls (virConnectPtr conn)
 
     if (initialised) return 0;
 
+    gcry_control(GCRYCTL_SET_THREAD_CBS, &remote_thread_cbs);
+    gcry_check_version(NULL);
     gnutls_global_init ();
 
     /* X509 stuff */
-- 
1.6.2.5

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