1QB_RB_OPEN(3)              libqb Programmer's Manual             QB_RB_OPEN(3)
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NAME

6       qb_rb_open - Create the ring buffer with the given type.
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SYNOPSIS

9       #include <qb/qbrb.h>
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11       qb_ringbuffer_t* qb_rb_open(
12           const char   *name,
13           size_t        size,
14           uint32_t      flags,
15           size_t        shared_user_data_size
16       );
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PARAMS

19       name                  the unique name of this ringbuffer.
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21       size                  the requested size.
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23       flags                 or'ed flags
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25       shared_user_data_size size for a shared data area.
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DESCRIPTION

28       This creates allocates a ring buffer in shared memory.
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RETURN VALUE

31       a new ring buffer or NULL if there was a problem.
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NOTE

34       the actual size will be rounded up to the next page size.
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SEE ALSO

37       qb_rb_close(3), qb_rb_refcount_get(3), qb_rb_chmod(3), qb_rb_chown(3),
38       qb_rb_write_to_file(3), qb_rb_create_from_file(3),
39       qb_rb_chunks_used(3), qb_rb_chunk_reclaim(3), qb_rb_space_used(3),
40       qb_rb_chunk_write(3), qb_rb_shared_user_data_get(3),
41       qb_rb_chunk_commit(3), qb_rb_chunk_peek(3), qb_rb_space_free(3),
42       qb_rb_name_get(3), qb_rb_chunk_alloc(3), qb_rb_chunk_read(3)
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45       Copyright (C) 2010-2020 Red Hat, Inc. All rights reserved.
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49LIBQB                             2020-07-30                     QB_RB_OPEN(3)
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