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rpma_mr_get_descriptor_size(3) RPMA Programmer's Manual rpma_mr_get_descriptor_size(3)

NAME

rpma_mr_get_descriptor_size - get size of the memory region descriptor

SYNOPSIS

      #include <librpma.h>
      struct rpma_mr_local;
      int rpma_mr_get_descriptor_size(const struct rpma_mr_local *mr,
                      size_t *desc_size);

DESCRIPTION

rpma_mr_get_descriptor_size() gets size of the memory region decriptor.

RETURN VALUE

The rpma_mr_get_descriptor_size() function returns 0 on success or a negative error code on failure. rpma_mr_get_descriptor_size() does not set *desc_size value on failure.

ERRORS

rpma_mr_get_descriptor_size() can fail with the following error:
RPMA_E_INVAL - mr or desc_size is NULL

SEE ALSO

rpma_mr_get_descriptor(3), rpma_mr_reg(3), librpma(7) and https://pmem.io/rpma/
21 October 2020 RPMA