mirror of https://github.com/BOINC/boinc.git
82 lines
2.6 KiB
C
82 lines
2.6 KiB
C
// Berkeley Open Infrastructure for Network Computing
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// http://boinc.berkeley.edu
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// Copyright (C) 2005 University of California
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//
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// This is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation;
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// either version 2.1 of the License, or (at your option) any later version.
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//
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// This software is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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// See the GNU Lesser General Public License for more details.
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//
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// To view the GNU Lesser General Public License visit
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// http://www.gnu.org/copyleft/lesser.html
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// or write to the Free Software Foundation, Inc.,
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// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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#ifndef SCHED_UTIL_H
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#define SCHED_UTIL_H
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#include "boinc_db.h"
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// "average credit" uses an exponential decay so that recent
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// activity is weighted more heavily.
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// CREDIT_HALF_LIFE is the "half-life" period:
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// the average decreases by 1/2 if idle for this period.
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//
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#define SECONDS_IN_DAY (3600*24)
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#define CREDIT_HALF_LIFE (SECONDS_IN_DAY*7)
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// Historical note: named after Jeff Cobb
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//
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#define COBBLESTONE_FACTOR 100.0
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extern void write_pid_file(const char* filename);
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extern void set_debug_level(int);
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extern void check_stop_daemons();
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extern bool check_stop_sched();
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extern void install_stop_signal_handler();
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extern int try_fopen(const char* path, FILE*& f, const char* mode);
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extern void get_log_path(char*, const char*);
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// convert filename to path in a hierarchical directory system
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//
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extern int dir_hier_path(
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const char* filename, const char* root, int fanout,
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char* result, bool create=false
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);
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// convert filename to URL in a hierarchical directory system
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//
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extern int dir_hier_url(
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const char* filename, const char* root, int fanout,
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char* result
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);
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// extract filename from result name, needed for locality scheduling.
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//
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extern int extract_filename(char* in, char* out);
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extern void compute_avg_turnaround(HOST& host, double turnaround);
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// used to track execution time of cgi scripts
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extern double elapsed_wallclock_time();
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// returns zero if we get lock on file with file descriptor fd.
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// returns < 0 if error
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// returns PID > 0 if another process has lock
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//
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extern int mylockf(int fd);
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// Returns credit that should be granted for a given number of
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// floating-point and integer ops
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//
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extern double fpops_to_credit(double fpops, double intops);
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extern int count_workunits(int&, const char* query);
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extern int count_unsent_results(int&, int appid);
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#endif
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