static int IMFS_fifo_close(
rtems_libio_t *iop
)
{
int err = 0;
IMFS_jnode_t *jnode = iop->pathinfo.node_access;
pipe_release(&JNODE2PIPE(jnode), iop);
IMFS_FIFO_RETURN(err);
}
static int IMFS_fifo_open(
rtems_libio_t *iop,
const char *pathname,
int oflag,
mode_t mode
)
{
IMFS_jnode_t *jnode = iop->pathinfo.node_access;
int err = fifo_open(&JNODE2PIPE(jnode), iop);
IMFS_FIFO_RETURN(err);
}
int IMFS_fifo_open(
epos_libio_t *iop,
const char *pathname,
uint32_t flag,
uint32_t mode
)
{
IMFS_jnode_t *jnode = iop->file_info;
int err = fifo_open(&JNODE2PIPE(jnode), iop);
IMFS_FIFO_RETURN(err);
}
static ssize_t IMFS_fifo_read(
rtems_libio_t *iop,
void *buffer,
size_t count
)
{
IMFS_jnode_t *jnode = iop->pathinfo.node_access;
int err = pipe_read(JNODE2PIPE(jnode), buffer, count, iop);
if (err > 0)
IMFS_update_atime(jnode);
IMFS_FIFO_RETURN(err);
}
ssize_t IMFS_fifo_read(
epos_libio_t *iop,
void *buffer,
size_t count
)
{
IMFS_jnode_t *jnode = iop->file_info;
int err = pipe_read(JNODE2PIPE(jnode), buffer, count, iop);
if (err > 0)
IMFS_update_atime(jnode);
IMFS_FIFO_RETURN(err);
}
static ssize_t IMFS_fifo_write(
rtems_libio_t *iop,
const void *buffer,
size_t count
)
{
IMFS_jnode_t *jnode = iop->pathinfo.node_access;
int err = pipe_write(JNODE2PIPE(jnode), buffer, count, iop);
if (err > 0) {
IMFS_mtime_ctime_update(jnode);
}
IMFS_FIFO_RETURN(err);
}
ssize_t IMFS_fifo_write(
epos_libio_t *iop,
const void *buffer,
size_t count
)
{
IMFS_jnode_t *jnode = iop->file_info;
int err = pipe_write(JNODE2PIPE(jnode), buffer, count, iop);
if (err > 0) {
IMFS_mtime_ctime_update(jnode);
}
IMFS_FIFO_RETURN(err);
}
int IMFS_fifo_close(
epos_libio_t *iop
)
{
IMFS_jnode_t *jnode = iop->file_info;
int err = pipe_release(&JNODE2PIPE(jnode), iop);
if (! err) {
iop->flags &= ~LIBIO_FLAGS_OPEN;
/* Free jnode if file is already unlinked and no one opens it */
if (! epos_libio_is_file_open(jnode) && jnode->st_nlink < 1)
free(jnode);
}
IMFS_FIFO_RETURN(err);
}
