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-rw-r--r--libkdenetwork/libgpgme-copy/gpgme/ath-pth-compat.c123
1 files changed, 123 insertions, 0 deletions
diff --git a/libkdenetwork/libgpgme-copy/gpgme/ath-pth-compat.c b/libkdenetwork/libgpgme-copy/gpgme/ath-pth-compat.c
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index 000000000..7bdea8762
--- /dev/null
+++ b/libkdenetwork/libgpgme-copy/gpgme/ath-pth-compat.c
@@ -0,0 +1,123 @@
+/* ath-pth.c - Pth 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 <pth.h>
+
+#include "ath.h"
+
+#pragma weak pth_mutex_init
+#pragma weak pth_mutex_acquire
+#pragma weak pth_mutex_release
+#pragma weak pth_read
+#pragma weak pth_write
+#pragma weak pth_select
+#pragma weak pth_waitpid
+#pragma weak pth_accept
+#pragma weak pth_connect
+
+/* The lock we take while checking for lazy lock initialization. */
+static pth_mutex_t check_init_lock = PTH_MUTEX_INIT;
+
+/* Initialize the mutex *PRIV. If JUST_CHECK is true, only do this if
+ it is not already initialized. */
+static int
+mutex_pth_init (void **priv, int just_check)
+{
+ int err = 0;
+
+ if (just_check)
+ pth_mutex_acquire (&check_init_lock, 0, NULL);
+ if (!*priv || !just_check)
+ {
+ pth_mutex_t *lock = malloc (sizeof (pth_mutex_t));
+ if (!lock)
+ err = ENOMEM;
+ if (!err)
+ {
+ err = pth_mutex_init (lock);
+ if (err == FALSE)
+ err = errno;
+ else
+ err = 0;
+
+ if (err)
+ free (lock);
+ else
+ *priv = lock;
+ }
+ }
+ if (just_check)
+ pth_mutex_release (&check_init_lock);
+ return err;
+}
+
+
+static int
+mutex_pth_destroy (void *priv)
+{
+ free (priv);
+ return 0;
+}
+
+
+static int
+mutex_pth_lock (void *priv)
+{
+ int ret = pth_mutex_acquire ((pth_mutex_t *) priv, 0, NULL);
+ return ret == FALSE ? errno : 0;
+}
+
+
+static int
+mutex_pth_unlock (void *priv)
+{
+ int ret = pth_mutex_release ((pth_mutex_t *) priv);
+ return ret == FALSE ? errno : 0;
+}
+
+
+static struct ath_ops ath_pth_ops =
+ {
+ mutex_pth_init,
+ mutex_pth_destroy,
+ mutex_pth_lock,
+ mutex_pth_unlock,
+ pth_read,
+ pth_write,
+ pth_select,
+ pth_waitpid,
+ pth_accept,
+ pth_connect,
+ NULL, /* FIXME: When GNU PTh has sendmsg. */
+ NULL /* FIXME: When GNU PTh has recvmsg. */
+ };
+
+
+struct ath_ops *
+ath_pth_available (void)
+{
+ if (pth_mutex_init && pth_mutex_acquire && pth_mutex_release
+ && pth_read && pth_write && pth_select && pth_waitpid)
+ return &ath_pth_ops;
+ else
+ return 0;
+}