PMEMSET_SOURCE_ALIGNMENT(3)

NAME

pmemset_source_alignment() - returns data source alignment

SYNOPSIS

    #include <libpmemset.h>
    struct pmemset_source;
    int pmemset_source_alignment(struct pmemset_source *src, size_t *alignment);

DESCRIPTION

The pmemset_source_alignment() function retrieves the alignment of offset and length needed for pmemset_map(3) to succeed. The alignment is stored in *alignment argument.

RETURN VALUE

The pmemset_source_alignment() function returns 0 on success. If the function fails, the *alignment variable is left unmodified and a negative error code is returned.

ERRORS

The pmemset_source_alignment() can fail with the following errors:

•   PMEMSET_E_INVALID_ALIGNMENT_VALUE - cannot read alignment for source file from the src.

SEE ALSO

pmemset_map(3), libpmemset(7) and <http://pmem.io>