2002-06-02 Marcus Brinkmann <[email protected]>

	* configure.ac: Add checks for Pth and pthreads.
	* acinclude.m4: Add slightly hacked check for pth (seems to be an
	autoconf version problem).

gpgme/
2002-06-02  Marcus Brinkmann  <[email protected]>

	* Makefile.am (ath_components): New variable.
	(ath_components_pthread): Likewise.
	(ath_components_pth): Likewise.
	(system_components): Add ath_componentes.

	* ath.h: New file.
	* ath.c: Likewise.
	* ath-pthread.c: Likewise.
	* ath-pth.c: Likewise.
	* posix-sema.c (_gpgme_sema_cs_enter): Rework to use the ATH
	interface.
	* mutex.h: Remove file.

1 files changed, 141 insertions, 0 deletions

diff --git a/gpgme/ath.c b/gpgme/ath.c
new file mode 100644
index 00000000..e685031b
--- /dev/null
+++ b/gpgme/ath.c
@@ -0,0 +1,141 @@
+/* ath.c - 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <unistd.h>
+#include <sys/select.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+
+#include "ath.h"
+
+static struct ath_ops *ath_ops;
+
+void
+ath_init (void)
+{
+#ifdef HAVE_PTHREAD
+  if (!ath_ops)
+    ath_ops = ath_pthread_available ();
+#endif
+#ifdef HAVE_PTH
+  if (!ath_ops)
+    ath_ops = ath_pth_available ();
+#endif
+#ifdef HAVE_ATH_DUMMY
+  if (!ath_ops)
+    ath_ops = ath_dummy_available ();
+#endif
+}
+
+
+int
+ath_mutex_init (ath_mutex_t *lock)
+{
+  if (!ath_ops)
+    return 0;
+
+  return ath_ops->mutex_init (lock, 0);
+}
+
+
+int
+ath_mutex_destroy (ath_mutex_t *lock)
+{
+  int err;
+  if (!ath_ops)
+    return 0;
+  err = ath_ops->mutex_init (lock, 1);
+  if (!err)
+    err = ath_ops->mutex_destroy (*lock);
+  return err;
+}
+
+
+int
+ath_mutex_lock (ath_mutex_t *lock)
+{
+  int err;
+
+  if (!ath_ops)
+    return 0;
+  err = ath_ops->mutex_init (lock, 1);
+  if (!err)
+    err = ath_ops->mutex_lock (*lock);
+  return err;
+}
+
+
+int
+ath_mutex_unlock (ath_mutex_t *lock)
+{
+  int err;
+
+  if (!ath_ops)
+    return 0;
+  err = ath_ops->mutex_init (lock, 1);
+  if (!err)
+    err = ath_ops->mutex_unlock (*lock);
+  return err;
+}
+
+
+ssize_t
+ath_read (int fd, void *buf, size_t nbytes)
+{
+  if (ath_ops && ath_ops->read)
+    return ath_ops->read (fd, buf, nbytes);
+  else
+    return read (fd, buf, nbytes);
+}
+
+
+ssize_t
+ath_write (int fd, const void *buf, size_t nbytes)
+{
+  if (ath_ops && ath_ops->write)
+    return ath_ops->write (fd, buf, nbytes);
+  else
+    return write (fd, buf, nbytes);
+}
+
+
+ssize_t
+ath_select (int nfd, fd_set *rset, fd_set *wset, fd_set *eset,
+	    struct timeval *timeout)
+{
+  if (ath_ops && ath_ops->select)
+    return ath_ops->select (nfd, rset, wset, eset, timeout);
+  else
+    return select (nfd, rset, wset, eset, timeout);
+}
+
+ 
+ssize_t
+ath_waitpid (pid_t pid, int *status, int options)
+{
+  if (ath_ops && ath_ops->waitpid)
+    return ath_ops->waitpid (pid, status, options);
+  else
+    return waitpid (pid, status, options);
+}