NAME¶
rpma_mr_get_descriptor - get a descriptor of a memory region
SYNOPSIS¶
#include <librpma.h>
struct rpma_mr_local;
int rpma_mr_get_descriptor(const struct rpma_mr_local *mr, void *desc);
DESCRIPTION¶
rpma_mr_get_descriptor() writes a network-transferable description of the
provided local memory region (called 'descriptor'). Once the descriptor is
transferred to the other side it should be decoded by
rpma_mr_remote_from_descriptor() to create a remote memory region's
structure which allows for Remote Memory Access. Please see librpma(7)
for details.
RETURN VALUE¶
The rpma_mr_get_descriptor() function returns 0 on success or a negative
error code on failure.
ERRORS¶
rpma_mr_get_descriptor() can fail with the following error:
- •
- RPMA_E_INVAL - mr or desc is NULL
