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authorJeff Johnston <jjohnstn@redhat.com>2007-06-20 21:50:53 +0000
committerJeff Johnston <jjohnstn@redhat.com>2007-06-20 21:50:53 +0000
commitd8988870faea947ecaffbb4c50ee61ef8116eee5 (patch)
tree97e321520369e756fa51777a771de170a0fa1acf /libgloss/spu/lockf.c
parentd360ef18650e4f507634be57ce95a54ae3e5b25f (diff)
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2007-06-20 Patrick Mansfield <patmans@us.ibm.com>
* spu/jsre.h: Add new JSRE opcodes. * spu/dup2.c: New file to add dup2 support via assist call. * spu/fdatasync.c: New file to add fdatasync support via assist call. * spu/fsync.c: New file to add fsync support via assist call. * spu/lockf.c: New file to add lockf support via assist call. * spu/sync.c: New file to add sync support via assist call. * spu/truncate.c: New file to add truncate support via assist call. * spu/Makefile.in: Add new files.
Diffstat (limited to 'libgloss/spu/lockf.c')
-rw-r--r--libgloss/spu/lockf.c56
1 files changed, 56 insertions, 0 deletions
diff --git a/libgloss/spu/lockf.c b/libgloss/spu/lockf.c
new file mode 100644
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+/*
+ Copyright 2007
+ International Business Machines Corporation,
+ Sony Computer Entertainment, Incorporated,
+ Toshiba Corporation,
+
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ * Neither the names of the copyright holders nor the names of their
+ contributors may be used to endorse or promote products derived from
+ this software without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
+ OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#include <unistd.h>
+#include "jsre.h"
+
+typedef struct
+{
+ unsigned int fd;
+ unsigned int pad0[3];
+ unsigned int cmd;
+ unsigned int pad1[3];
+ unsigned int len;
+ unsigned int pad2[3];
+} syscall_lockf_t;
+
+int
+lockf (int fd, int cmd, off_t len)
+{
+ syscall_lockf_t sys;
+
+ sys.fd = (unsigned int) fd;
+ sys.cmd = (unsigned int) cmd;
+ sys.len = (unsigned int) len;
+ return __send_to_ppe (JSRE_POSIX1_SIGNALCODE, JSRE_LOCKF, &sys);
+}