1 files changed, 104 insertions, 0 deletions
diff --git a/libkdenetwork/libgpgme-copy/gpgme/ath-pthread-compat.c b/libkdenetwork/libgpgme-copy/gpgme/ath-pthread-compat.c
new file mode 100644
index 000000000..b65fa0514
--- /dev/null
+++ b/libkdenetwork/libgpgme-copy/gpgme/ath-pthread-compat.c
@@ -0,0 +1,104 @@
+/* ath-pthread.c - pthread module for self-adapting thread-safeness library
+ *      Copyright (C) 2002 g10 Code GmbH
+ *
+ * This file is part of GPGME.
+ *
+ * GPGME is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * GPGME is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#include <stdlib.h>
+#include <errno.h>
+#include <pthread.h>
+
+#include "ath.h"
+
+/* Need to include pthread_create in our check, as the GNU C library
+   has the pthread_mutex_* functions in their public interface.  */
+#pragma weak pthread_create
+#pragma weak pthread_mutex_init
+#pragma weak pthread_mutex_destroy
+#pragma weak pthread_mutex_lock
+#pragma weak pthread_mutex_unlock
+
+/* The lock we take while checking for lazy lock initialization.  */
+static pthread_mutex_t check_init_lock = PTHREAD_MUTEX_INITIALIZER;
+
+/* Initialize the mutex *PRIV.  If JUST_CHECK is true, only do this if
+   it is not already initialized.  */
+static int
+mutex_pthread_init (void **priv, int just_check)
+{
+  int err = 0;
+
+  if (just_check)
+    pthread_mutex_lock (&check_init_lock);
+  if (!*priv || !just_check)
+    {
+      pthread_mutex_t *lock = malloc (sizeof (pthread_mutex_t));
+      if (!lock)
+	err = ENOMEM;
+      if (!err)
+	{
+	  err = pthread_mutex_init (lock, NULL);
+	  if (err)
+	    free (lock);
+	  else
+	    *priv = lock;
+	}
+    }
+  if (just_check)
+    pthread_mutex_unlock (&check_init_lock);
+  return err;
+}
+
+
+static int
+mutex_pthread_destroy (void *priv)
+{
+  int err = pthread_mutex_destroy ((pthread_mutex_t *) priv);
+  free (priv);
+  return err;
+}
+
+
+static struct ath_ops ath_pthread_ops =
+  {
+    mutex_pthread_init,
+    mutex_pthread_destroy,
+    (int (*) (void *)) pthread_mutex_lock,
+    (int (*) (void *)) pthread_mutex_unlock,
+    NULL,	/* read */
+    NULL,	/* write */
+    NULL,	/* select */
+    NULL,	/* waitpid */
+    NULL,	/* accept */
+    NULL,	/* connect */
+    NULL,	/* sendmsg */
+    NULL	/* recvmsg */
+  };
+
+
+struct ath_ops *
+ath_pthread_available (void)
+{
+  /* Need to include pthread_create in our check, as the GNU C library
+     has the pthread_mutex_* functions in their public interface.  */
+  if (pthread_create
+      && pthread_mutex_init && pthread_mutex_destroy
+      && pthread_mutex_lock && pthread_mutex_unlock)
+    return &ath_pthread_ops;
+  else
+    return 0;
+}