.\" Extracted by src2man from /build/rpma-11eW7Q/rpma-1.3.0/src/include/librpma.h
.\" Text automatically generated by txt2man
.TH rpma_mr_dereg 3 "29 May 2023" "RPMA" "RPMA Programmer's Manual"
.SH NAME
\fBrpma_mr_dereg \fP- delete a local memory registration object
.SH SYNOPSIS
.nf
.fam C
      #include <librpma.h>

      struct rpma_mr_local;
      int \fBrpma_mr_dereg\fP(struct rpma_mr_local **mr_ptr);

.fam T
.fi
.fam T
.fi
.SH DESCRIPTION
\fBrpma_mr_dereg\fP() deregisters a memory region and deletes a local memory registration object.
.SH RETURN VALUE
The \fBrpma_mr_dereg\fP() function returns 0 on success or a negative error code on failure.
\fBrpma_mr_dereg\fP() does not set *mr_ptr value to NULL on failure.
.SH ERRORS
\fBrpma_mr_dereg\fP() can fail with the following errors:
.IP \(bu 3
RPMA_E_INVAL - mr_ptr is NULL
.IP \(bu 3
RPMA_E_PROVIDER - memory deregistration failed
.SH SEE ALSO
\fBrpma_mr_reg\fP(3), \fBlibrpma\fP(7) and https://pmem.io/rpma/