NAME

rpma_mr_dereg - delete a local memory registration object

SYNOPSIS

      #include <librpma.h>


      struct rpma_mr_local;


      int rpma_mr_dereg(struct rpma_mr_local **mr_ptr);

DESCRIPTION

rpma_mr_dereg() deregisters a memory region and deletes a local memory registration object.

RETURN VALUE

The rpma_mr_dereg() function returns 0 on success or a negative error code on failure. rpma_mr_dereg() does not set *mr_ptr value to NULL on failure.

ERRORS

rpma_mr_dereg() can fail with the following errors:

• RPMA_E_INVAL - mr_ptr is NULL
• RPMA_E_PROVIDER - memory deregistration failed

SEE ALSO

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