cpg_zcb_alloc man page on Scientific

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CPG_ZCB_ALLOC(2009-04-15)			     CPG_ZCB_ALLOC(2009-04-15)

       cpg_zcb_alloc - Allocates a zero copy buffer #include <corosync/cpg.h>

       int cpg_zcb_alloc(cpg_handle_t handle, size_t size, void **buffer);

       The  cpg_zcb_alloc  function  will  allocate a zero copy buffer for use
       with the cpg_zcb_mcast_joined(3) funtion.  This buffer  should  not  be
       used in another thread while a cpg_zcb_mcast_joined operation is taking
       place on the buffer.  The buffer	 is  allocated	via  operating	system
       mechanisms to avoid copying in the IPC layer.

       The  argument  handle  describes the handle on which the buffer will be

       The argument size requests a buffer of size be allocated.

       The buffer argument is set to the buffer address that is	 allocated  by
       this operatoin.

       This call returns the CPG_OK value if successful, otherwise an error is

       The errors are undocumented.

       cpg_overview(8),	 cpg_initialize(3),  cpg_finalize(3),	cpg_fd_get(3),
       cpg_dispatch(3),	   cpg_join(3),	  cpg_leave(3),	  cpg_mcast_joined(3),
       cpg_membership_get(3)	     cpg_zcb_alloc(3)	       cpg_zcb_free(3)
       cpg_zcb_mcast_joined(3)	    cpg_context_get(3)	    cpg_context_set(3)

Corosync Cluster Engine ProgramcorosyncnMan Page     CPG_ZCB_ALLOC(2009-04-15)

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