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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
/*
* Ceph - scalable distributed file system
*
* Copyright (C) 2004-2011 New Dream Network
*
* This is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software
* Foundation. See file COPYING.
*
*/
#ifndef CEPH_THREAD_H
#define CEPH_THREAD_H
#include <functional>
#include <string_view>
#include <system_error>
#include <thread>
#include <pthread.h>
#include <sys/types.h>
#include "include/compat.h"
extern pid_t ceph_gettid();
class Thread {
private:
pthread_t thread_id;
pid_t pid;
int cpuid;
const char *thread_name;
void *entry_wrapper();
public:
Thread(const Thread&) = delete;
Thread& operator=(const Thread&) = delete;
Thread();
virtual ~Thread();
protected:
virtual void *entry() = 0;
private:
static void *_entry_func(void *arg);
public:
const pthread_t &get_thread_id() const;
pid_t get_pid() const { return pid; }
bool is_started() const;
bool am_self() const;
int kill(int signal);
int try_create(size_t stacksize);
void create(const char *name, size_t stacksize = 0);
int join(void **prval = 0);
int detach();
int set_affinity(int cpuid);
};
// Functions for with std::thread
void set_thread_name(std::thread& t, const std::string& s);
std::string get_thread_name(const std::thread& t);
void kill(std::thread& t, int signal);
template<typename Fun, typename... Args>
std::thread make_named_thread(std::string_view n,
Fun&& fun,
Args&& ...args) {
return std::thread([n = std::string(n)](auto&& fun, auto&& ...args) {
ceph_pthread_setname(pthread_self(), n.data());
std::invoke(std::forward<Fun>(fun),
std::forward<Args>(args)...);
}, std::forward<Fun>(fun), std::forward<Args>(args)...);
}
#endif
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