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CentOS 7.0 - man page for ibv_alloc_pd (centos section 3)

IBV_ALLOC_PD(3) 			    Libibverbs Programmer's Manual			      IBV_ALLOC_PD(3)

NAME
ibv_alloc_pd, ibv_dealloc_pd - allocate or deallocate a protection domain (PDs)
SYNOPSIS
#include <infiniband/verbs.h> struct ibv_pd *ibv_alloc_pd(struct ibv_context *context); int ibv_dealloc_pd(struct ibv_pd *pd);
DESCRIPTION
ibv_alloc_pd() allocates a PD for the RDMA device context context. ibv_dealloc_pd() deallocates the PD pd.
RETURN VALUE
ibv_alloc_pd() returns a pointer to the allocated PD, or NULL if the request fails. ibv_dealloc_pd() returns 0 on success, or the value of errno on failure (which indicates the failure reason).
NOTES
ibv_dealloc_pd() may fail if any other resource is still associated with the PD being freed.
SEE ALSO
ibv_reg_mr(3), ibv_create_srq(3), ibv_create_qp(3), ibv_create_ah(3), ibv_create_ah_from_wc(3)
AUTHORS
Dotan Barak <dotanba@gmail.com> libibverbs 2006-10-31 IBV_ALLOC_PD(3)


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