mirror of https://github.com/BOINC/boinc.git
105 lines
2.8 KiB
C++
105 lines
2.8 KiB
C++
// This file is part of BOINC.
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// http://boinc.berkeley.edu
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// Copyright (C) 2008 University of California
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//
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// BOINC is free software; you can redistribute it and/or modify it
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// under the terms of the GNU Lesser General Public License
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// as published by the Free Software Foundation,
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// either version 3 of the License, or (at your option) any later version.
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//
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// BOINC 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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// You should have received a copy of the GNU Lesser General Public License
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// along with BOINC. If not, see <http://www.gnu.org/licenses/>.
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#ifndef UTIL_H
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#define UTIL_H
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#include <stdlib.h>
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#include <string>
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#include <vector>
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extern double dtime();
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extern double dday();
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extern void boinc_sleep(double);
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extern void push_unique(std::string, std::vector<std::string>&);
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// NOTE: use #include <functional> to get max,min
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#define SECONDS_PER_DAY 86400
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#define KILO (1024.0)
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#define MEGA (1048576.0)
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#define GIGA (1024.*1048576.0)
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static inline double drand() {
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return (double)rand()/(double)RAND_MAX;
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}
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extern double rand_normal();
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#ifdef _WIN32
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#include <windows.h>
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extern char* windows_error_string(char* pszBuf, int iSize);
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extern char* windows_format_error_string(
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unsigned long dwError, char* pszBuf, int iSize
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);
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extern int boinc_thread_cpu_time(HANDLE thread_handle, double& cpu);
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extern int boinc_process_cpu_time(HANDLE process_handle, double& cpu);
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#else
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// setpriority(2) arg to run in background
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// (don't use 20 because
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//
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static const int PROCESS_IDLE_PRIORITY = 19;
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static const int PROCESS_MEDIUM_PRIORITY = 10;
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extern double linux_cpu_time(int pid);
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#endif
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extern void update_average(double, double, double, double, double&, double&);
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extern int boinc_calling_thread_cpu_time(double&);
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// fake a crash
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//
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extern void boinc_crash();
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// read files into memory.
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// Use only for non-binary files; returns null-terminated string.
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//
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extern int read_file_malloc(
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const char* path, char*& result, size_t max_len=0, bool tail=false
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);
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extern int read_file_string(
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const char* path, std::string& result, size_t max_len=0, bool tail=false
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);
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#ifdef _WIN32
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extern int run_program(
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const char* dir, const char* file, int argc, char *const argv[], double, HANDLE&
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);
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extern void kill_program(HANDLE);
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extern int get_exit_status(HANDLE);
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extern bool process_exists(HANDLE);
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#else
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extern int run_program(
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const char* dir, const char* file, int argc, char *const argv[], double, int&
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);
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extern void kill_program(int);
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extern int get_exit_status(int);
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extern bool process_exists(int);
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#endif
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extern int wait_client_mutex(const char* dir, double timeout);
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#ifdef GCL_SIMULATOR
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extern double simtime;
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#define time(x) ((int)simtime)
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#endif
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#endif
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