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| author | Lukas Larsson <[email protected]> | 2011-11-29 11:05:37 +0100 |
|---|---|---|
| committer | Lukas Larsson <[email protected]> | 2011-12-02 10:39:38 +0100 |
| commit | 1bbf8cee44b8836d66d289cc0b5b314ed83de821 (patch) | |
| tree | 6d7ab44fd0d11c33f885816ddb12dfbc785f4540 /lib/kernel/doc | |
| parent | 27faa34693f35b6aa41fa67cbfe365bd082a5757 (diff) | |
| download | otp-1bbf8cee44b8836d66d289cc0b5b314ed83de821.tar.gz otp-1bbf8cee44b8836d66d289cc0b5b314ed83de821.tar.bz2 otp-1bbf8cee44b8836d66d289cc0b5b314ed83de821.zip | |
Remove header/trailer support
Since the API for headers/trailers seem to be very awkward to
work with when using non-blocking io the feature is dropped
for now. See unix_efile.c for more details.
Diffstat (limited to 'lib/kernel/doc')
| -rw-r--r-- | lib/kernel/doc/src/file.xml | 25 |
1 files changed, 0 insertions, 25 deletions
diff --git a/lib/kernel/doc/src/file.xml b/lib/kernel/doc/src/file.xml index 7fcc354176..c6a1f25dd9 100644 --- a/lib/kernel/doc/src/file.xml +++ b/lib/kernel/doc/src/file.xml @@ -1602,35 +1602,10 @@ using file:read and gen_tcp:send is used.</p> <p>The option list can contain the following options: <taglist> - <tag><c>headers</c></tag> - <item>A list containing data which is to be sent before - the file is sent. If <c>headers</c> is used, <c>Bytes</c> specifies - the total bytes in the header and/or file to be sent. If - <c>Bytes</c> is set to 0, the all headers, the file and - possible trailers will be sent. </item> - <tag><c>trailers</c></tag> - <item>A list containing data which is to be after before - the file is sent. All the <c>trailers</c> will be sent after the - file is sent, no matter what <c>Bytes</c> is set to. </item> <tag><c>chunk_size</c></tag> <item>The chunk size used by the erlang fallback to send data. If using the fallback, this should be set to a value which comfortably fits in the systems memory. Default is 20 MB.</item> - <tag><c>sf_nodiskio</c></tag> - <item>This flag causes any sendfile() call which would - block on disk I/O to instead return EBUSY. Busy servers may bene- - fit by transferring requests that would block to a separate I/O - worker thread.</item> - <tag><c>sf_mnowait</c></tag> - <item>Do not wait for some kernel resource to become avail- - able, in particular, mbuf and sf_buf. The flag does not make the - sendfile() syscall truly non-blocking, since other resources are - still allocated in a blocking fashion.</item> - <tag><c>sf_sync</c></tag> - <item>sendfile sleeps until the network stack no longer refer- - ences the VM pages of the file, making subsequent modifications to - it safe. Please note that this is not a guarantee that the data - has actually been sent.</item> </taglist> </p> <p>On operating systems with thread support, it is recommended to use |