diff options
Diffstat (limited to 'libgloss/spu/lockf.c')
-rw-r--r-- | libgloss/spu/lockf.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/libgloss/spu/lockf.c b/libgloss/spu/lockf.c new file mode 100644 index 000000000..3d2d7dc81 --- /dev/null +++ b/libgloss/spu/lockf.c @@ -0,0 +1,56 @@ +/* + 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); +} |