Ex14. 리눅스 멀티 쓰레드 생성과 종료

typedef void *(*THREAD_CALLBACK_FUNC)(void *); // 콜백 함수 typedef struct _THREAD_STATUS { pthread_t p_thread; int id; int argument; int ret; int running; THREAD_CALLBACK_FUNC callbackFunc_Thread; } THREAD_STATUS; int THR_Create(THREAD_STATUS *thr) { thr->id = pthread_create(&thr->p_thread, NULL, thr->callbackFunc_Thread, (void *)&thr->argument); if (thr->id < 0) { perror("thread create error : "); return -1; } // Create thread printf("thread create - thread argument[%d]\n", thr->argument); return 1; } int THR_Join(THREAD_STATUS *thr) { int ret; // Wait untill thread is end printf("thread join - thread argument[%d]\n", thr->argument); pthread_join(thr->p_thread, (void **)&ret); return ret; } // Thread Gui Display static THREAD_STATUS thrdGuiDisplay; static void *Thread_GuiDisplay(void *pId) { int thrdId; thrdId = *((int *)pId); printf("Created Thread Id[%d] - Gui Display\n", thrdId); while ( thrdGuiDisplay.running == 1 ) { } return (void *)thrdGuiDisplay.ret; } int Thread_GuiDisplay_Start(void) { int ret; thrdGuiDisplay.running = 1; thrdGuiDisplay.argument = THR_ARG_GUI; thrdGuiDisplay.ret = THR_ARG_GUI; thrdGuiDisplay.callbackFunc_Thread = Thread_GuiDisplay; ret = THR_Create(&thrdGuiDisplay); if ( ret < 0 ) return 0; return 1; } int Thread_GuiDisplay_End(void) { int ret; thrdGuiDisplay.running = 0; // Wait untill thread is end ret = THR_Join(&thrdGuiDisplay); printf("Joined Thread Return[%d] - Gui Display\n", ret); return 1; } int main(int argc, char** argv) { // Thread Start Thread_GuiDisplay_Start(); // Thread End Thread_GuiDisplay_End(); return 0; }