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Diffstat (limited to 'Documentation/userspace-api/media/dvb/dmx-munmap.rst')
| -rw-r--r-- | Documentation/userspace-api/media/dvb/dmx-munmap.rst | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/Documentation/userspace-api/media/dvb/dmx-munmap.rst b/Documentation/userspace-api/media/dvb/dmx-munmap.rst index 308a9593919c..66bbc11e5c40 100644 --- a/Documentation/userspace-api/media/dvb/dmx-munmap.rst +++ b/Documentation/userspace-api/media/dvb/dmx-munmap.rst @@ -1,4 +1,5 @@ .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later +.. c:namespace:: DTV.dmx .. _dmx-munmap: @@ -13,7 +14,6 @@ dmx-munmap - Unmap device memory .. warning:: This API is still experimental. - Synopsis ======== @@ -22,33 +22,29 @@ Synopsis #include <unistd.h> #include <sys/mman.h> - .. c:function:: int munmap( void *start, size_t length ) - :name: dmx-munmap Arguments ========= ``start`` Address of the mapped buffer as returned by the - :ref:`mmap() <dmx-mmap>` function. + :c:func:`mmap()` function. ``length`` Length of the mapped buffer. This must be the same value as given to - :ref:`mmap() <dmx-mmap>`. - + :c:func:`mmap()`. Description =========== -Unmaps a previously with the :ref:`mmap() <dmx-mmap>` function mapped +Unmaps a previously with the :c:func:`mmap()` function mapped buffer and frees it, if possible. - Return Value ============ -On success :ref:`munmap() <dmx-munmap>` returns 0, on failure -1 and the +On success :c:func:`munmap()` returns 0, on failure -1 and the ``errno`` variable is set appropriately: EINVAL |