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112 lines
2.8 KiB
112 lines
2.8 KiB
#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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#include <signal.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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