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Filesystem: Use transient event

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This commit is contained in:
Sebastian Huber
2012-10-30 17:20:16 +01:00
parent ee82825dec
commit 93b29f08f0
4 changed files with 11 additions and 22 deletions
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12
cpukit/libcsupport/include/rtems/libio.h
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@@ -1462,8 +1462,9 @@ struct rtems_filesystem_mount_table_entry_tt {
/**
* The task that initiated the unmount process. After unmount process
* completion this task will be notified via the
* @ref RTEMS_FILESYSTEM_UNMOUNT_EVENT.
* completion this task will be notified via the transient event.
*
* @see ClassicEventTransient.
*/
rtems_id unmount_task;
};
@@ -1526,15 +1527,16 @@ int rtems_filesystem_unregister(
* unmounted file system the function returns with an error status and errno is
* set to EBUSY.
*
* The unmount process completion notification uses the RTEMS classic API
* event @ref RTEMS_FILESYSTEM_UNMOUNT_EVENT. It is a fatal error to terminate
* the calling thread while waiting for this event.
* The unmount process completion notification uses the transient event. It is
* a fatal error to terminate the calling thread while waiting for this event.
*
* A concurrent unmount request for the same file system instance has
* unpredictable effects.
*
* @retval 0 Successful operation.
* @retval -1 An error occured. The @c errno indicates the error.
*
* @see ClassicEventTransient.
*/
int unmount(
const char *mount_path

10
cpukit/libcsupport/include/rtems/libio_.h
View File

@@ -38,16 +38,6 @@ extern "C" {
#define RTEMS_LIBIO_SEM rtems_build_name('L', 'B', 'I', 'O')
#define RTEMS_LIBIO_IOP_SEM(n) rtems_build_name('L', 'B', 'I', n)
/**
* @brief Event to signal an unmount process completion.
*
* This event should equal the RTEMS_BDBUF_TRANSFER_SYNC event to avoid too
* many events reserved for the file system.
*
* @see rtems_filesystem_do_unmount() and unmount().
*/
#define RTEMS_FILESYSTEM_UNMOUNT_EVENT RTEMS_EVENT_1
extern rtems_id rtems_libio_semaphore;
/*