OS signaling

#ifndef __SCHEDULER_H_ #define __SCHEDULER_H_ #include <pthread.h> #include <semaphore.h> #include "list.h" #define QUANTUM 1 /* typedefs */ typedef struct thread_info { pthread_t thrid; int quanta; list_elem* le; /*added for evalution bookkeeping*/ struct timespec suspend_time; struct timespec resume_time; long wait_time; long run_time; } thread_info_t; /* functions */ void *start_worker(void *); long time_difference(const struct timespec*, const struct timespec*); int smp5_main(int argc, const char** argv); /* shared variables */ extern sem_t queue_sem; /* semaphore for scheduler queue */ extern thread_info_list sched_queue; /* list of current workers */ #endif /* __SCHEDULER_H_ */