ncbi_host_info.c
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上传日期:2007-06-13
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- /*
- * ===========================================================================
- * PRODUCTION $Log: ncbi_host_info.c,v $
- * PRODUCTION Revision 1000.0 2003/10/29 16:36:58 gouriano
- * PRODUCTION PRODUCTION: IMPORTED [ORIGINAL] Dev-tree R6.6
- * PRODUCTION
- * ===========================================================================
- */
- /* $Id: ncbi_host_info.c,v 1000.0 2003/10/29 16:36:58 gouriano Exp $
- * ===========================================================================
- *
- * PUBLIC DOMAIN NOTICE
- * National Center for Biotechnology Information
- *
- * This software/database is a "United States Government Work" under the
- * terms of the United States Copyright Act. It was written as part of
- * the author's official duties as a United States Government employee and
- * thus cannot be copyrighted. This software/database is freely available
- * to the public for use. The National Library of Medicine and the U.S.
- * Government have not placed any restriction on its use or reproduction.
- *
- * Although all reasonable efforts have been taken to ensure the accuracy
- * and reliability of the software and data, the NLM and the U.S.
- * Government do not and cannot warrant the performance or results that
- * may be obtained by using this software or data. The NLM and the U.S.
- * Government disclaim all warranties, express or implied, including
- * warranties of performance, merchantability or fitness for any particular
- * purpose.
- *
- * Please cite the author in any work or product based on this material.
- *
- * ===========================================================================
- *
- * Author: Anton Lavrentiev
- *
- * File Description:
- * NCBI host info constructor and getters
- *
- */
- #include "ncbi_lbsmd.h"
- #include <math.h>
- #include <stdlib.h>
- #include <string.h>
- #ifndef M_PI
- /* Not defined on MacOS.9 :-( */
- # define M_PI 3.14159265358979323846
- #endif
- typedef struct SHostInfoTag {
- const char* env;
- double pad; /* for proper 'hinfo' alignment; also as a magic */
- char hinfo[1];
- } SHOST_Info;
- HOST_INFO HINFO_Create(const void* hinfo, size_t hinfo_size, const char* env)
- {
- SHOST_Info* host_info;
- size_t size;
- if (!hinfo)
- return 0;
- if (env && !*env)
- env = 0;
- size = sizeof(*host_info) + hinfo_size;
- if (!(host_info = (SHOST_Info*) malloc(size + (env ? strlen(env) : 0))))
- return 0;
- host_info->env = env ? strcpy((char*) host_info + size - 1, env) : 0;
- host_info->pad = M_PI;
- memcpy(host_info->hinfo, hinfo, hinfo_size);
- return host_info;
- }
- int HINFO_CpuCount(HOST_INFO host_info)
- {
- if (!host_info || host_info->pad != M_PI)
- return -1;
- return LBSM_HINFO_CpuCount(host_info->hinfo);
- }
- int HINFO_TaskCount(HOST_INFO host_info)
- {
- if (!host_info || host_info->pad != M_PI)
- return -1;
- return LBSM_HINFO_TaskCount(host_info->hinfo);
- }
- int/*bool*/ HINFO_LoadAverage(HOST_INFO host_info, double lavg[2])
- {
- if (!host_info || host_info->pad != M_PI)
- return 0;
- return LBSM_HINFO_LoadAverage(host_info->hinfo, lavg);
- }
- int/*bool*/ HINFO_Status(HOST_INFO host_info, double status[2])
- {
- if (!host_info || host_info->pad != M_PI)
- return 0;
- return LBSM_HINFO_Status(host_info->hinfo, status);
- }
- int/*bool*/ HINFO_BLASTParams(HOST_INFO host_info, unsigned int blast[8])
- {
- if (!host_info || host_info->pad != M_PI)
- return 0;
- return LBSM_HINFO_BLASTParams(host_info->hinfo, blast);
- }
- const char* HINFO_Environment(HOST_INFO host_info)
- {
- if (!host_info || host_info->pad != M_PI)
- return 0;
- return host_info->env;
- }
- /*
- * --------------------------------------------------------------------------
- * $Log: ncbi_host_info.c,v $
- * Revision 1000.0 2003/10/29 16:36:58 gouriano
- * PRODUCTION: IMPORTED [ORIGINAL] Dev-tree R6.6
- *
- * Revision 6.6 2003/01/17 19:44:46 lavr
- * Reduce dependencies
- *
- * Revision 6.5 2002/10/29 22:19:07 lavr
- * Fix typo in the file description
- *
- * Revision 6.4 2002/10/29 00:31:08 lavr
- * Fixed hinfo overflow from the use of precalculated size
- *
- * Revision 6.3 2002/10/28 21:55:38 lavr
- * LBSM_HINFO introduced for readability to replace plain "const void*"
- *
- * Revision 6.2 2002/10/28 20:49:04 lavr
- * Conditionally define M_PI if it is not already defined by <math.h>
- *
- * Revision 6.1 2002/10/28 20:13:45 lavr
- * Initial revision
- *
- * ==========================================================================
- */