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

10       #include <qb/qbrb.h>
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12       qb_ringbuffer_t * qb_rb_open(
13           const char   *name,   /* the unique name of this ringbuffer. */
14           size_t        size,   /* the requested size. */
15           uint32_t      flags,    /* or'ed flags */
16           size_t        shared_user_data_size                    /* size for a shared data area. */
17       );
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PARAMS

20       name                  the unique name of this ringbuffer.
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22       size                  the requested size.
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24       flags                 or'ed flags
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26       shared_user_data_size size for a shared data area.
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DESCRIPTION

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

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

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

38       qb_rb_close(3), qb_rb_refcount_get(3), qb_rb_chmod(3), qb_rb_chown(3),
39       qb_rb_write_to_file(3), qb_rb_create_from_file(3),
40       qb_rb_chunks_used(3), qb_rb_chunk_reclaim(3), qb_rb_space_used(3),
41       qb_rb_chunk_write(3), qb_rb_shared_user_data_get(3),
42       qb_rb_chunk_commit(3), qb_rb_chunk_peek(3), qb_rb_space_free(3),
43       qb_rb_name_get(3), qb_rb_chunk_alloc(3), qb_rb_chunk_read(3)
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46       Copyright (C) 2010-2020 Red Hat, Inc.
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50LIBQB                             2022-03-23                     QB_RB_OPEN(3)
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