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.\" -*- nroff -*- .\" .TH IBV_ALLOC_PD 3 2006-10-31 libibverbs "Libibverbs Programmer's Manual" .SH "NAME" ibv_alloc_pd, ibv_dealloc_pd \- allocate or deallocate a protection domain (PDs) .SH "SYNOPSIS" .nf .B #include <infiniband/verbs.h> .sp .BI "struct ibv_pd *ibv_alloc_pd(struct ibv_context " "*context" ); .sp .BI "int ibv_dealloc_pd(struct ibv_pd " "*pd" ); .fi .SH "DESCRIPTION" .B ibv_alloc_pd() allocates a PD for the RDMA device context .I context\fR. .PP .B ibv_dealloc_pd() deallocates the PD .I pd\fR. .SH "RETURN VALUE" .B ibv_alloc_pd() returns a pointer to the allocated PD, or NULL if the request fails. .PP .B ibv_dealloc_pd() returns 0 on success, or the value of errno on failure (which indicates the failure reason). .SH "NOTES" .B ibv_dealloc_pd() may fail if any other resource is still associated with the PD being freed. .SH "SEE ALSO" .BR ibv_reg_mr (3), .BR ibv_create_srq (3), .BR ibv_create_qp (3), .BR ibv_create_ah (3), .BR ibv_create_ah_from_wc (3) .SH "AUTHORS" .TP Dotan Barak <dotanb@mellanox.co.il>