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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2013-10-31 15:00:14 +0100 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2013-11-04 15:22:47 +0100 |
| commit | 16829460572c9d8451154b2c296ac1abb7701b78 (patch) | |
| tree | c92fd3fed60437b55a04f7d7e451dd636ec44da5 /cpukit/libcsupport/include/rtems/libio.h | |
| parent | bsp/realview-pbx-a9: Add NULL pointer protection (diff) | |
| download | rtems-16829460572c9d8451154b2c296ac1abb7701b78.tar.bz2 | |
Filesystem: Add poll() handler
This handler is necessary to implement the SELECT(2) and POLL(2) system
calls.
Add <sys/poll.h> from FreeBSD 8.4.
Diffstat (limited to 'cpukit/libcsupport/include/rtems/libio.h')
| -rw-r--r-- | cpukit/libcsupport/include/rtems/libio.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/cpukit/libcsupport/include/rtems/libio.h b/cpukit/libcsupport/include/rtems/libio.h index aa64ff35c4..a6420620c3 100644 --- a/cpukit/libcsupport/include/rtems/libio.h +++ b/cpukit/libcsupport/include/rtems/libio.h @@ -943,6 +943,21 @@ typedef int (*rtems_filesystem_fcntl_t)( ); /** + * @brief Poll and select support. + * + * @param[in, out] iop The IO pointer. + * @param[in] events The poll events. + * + * @return The poll return events. + * + * @see rtems_filesystem_default_poll(). + */ +typedef int (*rtems_filesystem_poll_t)( + rtems_libio_t *iop, + int events +); + +/** * @brief File system node operations table. */ struct _rtems_filesystem_file_handlers_r { @@ -957,6 +972,7 @@ struct _rtems_filesystem_file_handlers_r { rtems_filesystem_fsync_t fsync_h; rtems_filesystem_fdatasync_t fdatasync_h; rtems_filesystem_fcntl_t fcntl_h; + rtems_filesystem_poll_t poll_h; }; /** @@ -1130,6 +1146,18 @@ int rtems_filesystem_default_fcntl( int cmd ); +/** + * @brief Default poll handler. + * + * @retval POLLERR Always. + * + * @see rtems_filesystem_poll_t. + */ +int rtems_filesystem_default_poll( + rtems_libio_t *iop, + int events +); + /** @} */ /** |