mirror of https://github.com/BOINC/boinc.git
117 lines
3.3 KiB
C++
117 lines
3.3 KiB
C++
// This file is part of BOINC.
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// http://boinc.berkeley.edu
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// Copyright (C) 2023 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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// utility functions that don't belong elsewhere
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#ifndef BOINC_UTIL_H
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#define BOINC_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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#ifdef _WIN32
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#include "boinc_win.h"
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#endif
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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.)
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#define MEGA (1024.*KILO)
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#define GIGA (1024.*MEGA)
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#define TERA (1024.*GIGA)
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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 "boinc_win.h"
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#else
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// setpriority(2) arg to run in background
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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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static const int PROCESS_NORMAL_PRIORITY = 0;
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static const int PROCESS_ABOVE_NORMAL_PRIORITY = -10;
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static const int PROCESS_HIGH_PRIORITY = -15;
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static const int PROCESS_REALTIME_PRIORITY = -20;
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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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inline bool in_vector(int n, std::vector<int>& v) {
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for (unsigned int i=0; i<v.size(); i++) {
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if (n == v[i]) return true;
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}
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return false;
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}
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// fake a crash
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//
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extern void boinc_crash();
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#ifdef _WIN32
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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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extern int kill_process_with_status(int, int exit_code=0);
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#endif
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// define a type for reference to a process.
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// Win also has an integer PID; that's not what we mean here
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//
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#ifdef _WIN32
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#define PROCESS_REF HANDLE
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#else
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#define PROCESS_REF int
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#endif
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extern bool process_exists(PROCESS_REF);
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extern int run_program(
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const char* dir, // directory to run program in; NULL if current dir
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const char* file, // path of executable
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int argc,
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char *const argv[], // cmdline args, UNIX-style
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PROCESS_REF& // ID of child process
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);
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extern int kill_process(PROCESS_REF);
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extern int get_exit_status(PROCESS_REF, int& status, double dt);
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// get exit code of process
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// If dt is negative, wait indefinitely;
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// else wait for at most dt;
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// if process hasn't exited by then, return error
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//
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// Note: to see if a process has exited:
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// get_exit_status(pid, status, 0) == 0
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extern int get_real_executable_path(char* path, size_t max_len);
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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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