Import DirectFB141_2k11R3_beta5

1 files changed, 68 insertions, 0 deletions

diff --git a/Source/DirectFB/lib/direct/system.c b/Source/DirectFB/lib/direct/system.c
new file mode 100755
index 0000000..b4b5b29
--- /dev/null
+++ b/Source/DirectFB/lib/direct/system.c
@@ -0,0 +1,68 @@
+/*
+   (c) Copyright 2001-2009  The world wide DirectFB Open Source Community (directfb.org)
+   (c) Copyright 2000-2004  Convergence (integrated media) GmbH
+
+   All rights reserved.
+
+   Written by Denis Oliver Kropp <dok@directfb.org>,
+              Andreas Hundt <andi@fischlustig.de>,
+              Sven Neumann <neo@directfb.org>,
+              Ville Syrjälä <syrjala@sci.fi> and
+              Claudio Ciccani <klan@users.sf.net>.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; if not, write to the
+   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+*/
+
+#include <config.h>
+
+#include <errno.h>
+#include <unistd.h>
+
+#include <direct/build.h>
+#include <direct/system.h>
+
+#if DIRECT_BUILD_GETTID && defined(HAVE_LINUX_UNISTD_H)
+#include <linux/unistd.h>
+#endif
+
+__attribute__((no_instrument_function))
+pid_t
+direct_gettid( void )
+{
+     pid_t tid = -1;
+#if DIRECT_BUILD_GETTID && defined(__NR_gettid) /* present on linux >= 2.4.20 */
+     tid = syscall(__NR_gettid);
+#endif
+     if (tid < 0)
+          tid = getpid();
+
+     return tid;
+}
+
+long
+direct_pagesize( void )
+{
+     return sysconf( _SC_PAGESIZE );
+}
+
+unsigned long
+direct_page_align( unsigned long value )
+{
+     unsigned long mask = sysconf( _SC_PAGESIZE ) - 1;
+
+     return (value + mask) & ~mask;
+}
+