DOKK / manpages / debian 12 / librpma-dev / rpma_mr_get_descriptor_size.3.en
rpma_mr_get_descriptor_size(3) RPMA Programmer's Manual rpma_mr_get_descriptor_size(3)

rpma_mr_get_descriptor_size - get size of the memory region descriptor


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

rpma_mr_get_descriptor_size() gets size of the memory region descriptor.

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.

rpma_mr_get_descriptor_size() can fail with the following error:

RPMA_E_INVAL - mr or desc_size is NULL

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

10 January 2023 RPMA