Mercurial > dovecot > core-2.2

annotate src/lib/ostream-file-private.h @ 23007:36e01285b5b8

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lib: buffer - Improve header comment for buffer_insert() and buffer_delete().
author Stephan Bosch <stephan.bosch@dovecot.fi>
date Mon, 18 Mar 2019 00:52:37 +0100
parents d2d89eae7828
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
20859
d2d89eae7828 lib: ostream-file: Allow creating derived file output streams.
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1 #ifndef OSTREAM_FILE_PRIVATE_H
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2 #define OSTREAM_FILE_PRIVATE_H
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3
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4 #include "ostream-private.h"
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5
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6 struct file_ostream {
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7 struct ostream_private ostream;
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8
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9 ssize_t (*writev)(struct file_ostream *fstream,
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10 const struct const_iovec *iov,
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11 unsigned int iov_count);
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12
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13 int fd;
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14 struct io *io;
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15 uoff_t buffer_offset;
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16 uoff_t real_offset;
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17
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18 unsigned char *buffer; /* ring-buffer */
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19 size_t buffer_size, optimal_block_size;
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20 size_t head, tail; /* first unsent/unused byte */
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21
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22 unsigned int full:1; /* if head == tail, is buffer empty or full? */
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23 unsigned int file:1;
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24 unsigned int flush_pending:1;
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25 unsigned int socket_cork_set:1;
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26 unsigned int no_socket_cork:1;
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27 unsigned int no_sendfile:1;
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28 unsigned int autoclose_fd:1;
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29 };
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30
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31 struct ostream *
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32 o_stream_create_file_common(struct file_ostream *fstream,
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33 int fd, size_t max_buffer_size, bool autoclose_fd);
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34 ssize_t o_stream_file_writev(struct file_ostream *fstream,
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35 const struct const_iovec *iov,
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36 unsigned int iov_size);
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37 ssize_t o_stream_file_sendv(struct ostream_private *stream,
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38 const struct const_iovec *iov,
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39 unsigned int iov_count);
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40 void o_stream_file_close(struct iostream_private *stream,
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41 bool close_parent);
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42
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43 #endif