unpacker_init.c

刚才是说明 现在是安装程序在 LINUX环境下进行编程的MPICH安装文件

/* -*- Mode: C; c-basic-offset:4 ; -*- */
/*
 *  (C) 2001 by Argonne National Laboratory.
 *      See COPYRIGHT in top-level directory.
 */
#include "mpidimpl.h"

MPIDI_VC_functions g_unpacker_vc_functions = 
{
    unpacker_post_read,
    NULL, /*unpacker_car_head_enqueue_read,*/
    unpacker_merge_with_unexpected,
    NULL, /*unpacker_merge_with_posted,*/
    NULL, /*unpacker_merge_unexpected_data,*/
    unpacker_post_write,
    NULL, /*unpacker_car_head_enqueue_write,*/
    unpacker_reset_car,
    NULL, /*unpacker_setup_packet_car,*/
    NULL /*unpacker_post_read_pkt*/
};

/*@
   unpacker_init - initialize the unpacker method

   Notes:
@*/
int unpacker_init(void)
{
    MPIDI_STATE_DECL(MPID_STATE_UNPACKER_INIT);
    MPIDI_FUNC_ENTER(MPID_STATE_UNPACKER_INIT);

    MPID_Process.unpacker_vc_ptr = mm_vc_alloc(MM_UNPACKER_METHOD);

    MPIDI_FUNC_EXIT(MPID_STATE_UNPACKER_INIT);
    return MPI_SUCCESS;
}

/*@
   unpacker_finalize - finalize the unpacker method

   Notes:
@*/
int unpacker_finalize(void)
{
    MPIDI_STATE_DECL(MPID_STATE_UNPACKER_FINALIZE);
    MPIDI_FUNC_ENTER(MPID_STATE_UNPACKER_FINALIZE);

    mm_vc_free(MPID_Process.unpacker_vc_ptr);
    MPID_Process.unpacker_vc_ptr = NULL;

    MPIDI_FUNC_EXIT(MPID_STATE_UNPACKER_FINALIZE);
    return MPI_SUCCESS;
}