112 lines
2.8 KiB
C++
Executable File
112 lines
2.8 KiB
C++
Executable File
#ifndef MT_THREAD_H
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#define MT_THREAD_H
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#include <memory.h>
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#include "base.h"
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#include <pthread.h>
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namespace mt
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{
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class thread
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{
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MT_PREVENT_COPY(thread)
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public:
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typedef thread this_type;
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typedef void base_type;
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thread(void) : flags(0)
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{
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;
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}
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virtual ~thread(void)
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{
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;
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}
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virtual bool start(void)
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{
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if ((this->flags & thread_started) != 0) return false;
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pthread_create(&(this->tid), 0, this_type::thread_func, reinterpret_cast<void *>(this));
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/*
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sched_param sp;
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memset(&sp, 0, sizeof(sched_param));
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sp.sched_priority = sched_get_priority_min(SCHED_OTHER);
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sp.sched_priority = 0; // normal
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pthread_setschedparam(this->tid, SCHED_OTHER, &sp);
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*/
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this->flags |= thread_started;
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return true;
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}
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virtual bool wait(void)
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{
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if ((this->flags & thread_started) == 0) return false;
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pthread_join(this->tid, 0);
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this->flags &= ~thread_started;
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return true;
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}
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virtual bool kill(void)
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{
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if ((this->flags & thread_started) == 0) return false;
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pthread_kill(this->tid, 0);
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this->flags &= ~(thread_started | thread_running);
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return true;
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}
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bool is_started(void) const
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{
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return ((this->flags & thread_started) != 0);
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}
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bool is_running(void) const
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{
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return ((this->flags & thread_running) != 0);
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}
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protected:
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virtual void run(void)
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{
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;
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}
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private:
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enum thread_flags
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{
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thread_none = ( 0),
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thread_started = (1 << 0),
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thread_running = (1 << 1)
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};
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volatile unsigned int flags;
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pthread_t tid;
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static void * thread_func(void * param)
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{
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this_type * p_this = reinterpret_cast<this_type *>(param);
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MT_ASSERT(p_this != 0);
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p_this->flags |= thread_running;
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p_this->run();
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p_this->flags &= ~thread_running;
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return 0;
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}
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};
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}
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#endif // MT_THREAD_H
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