1 /* sem.h 2 * 3 * Definitions here are for kernel use ONLY! 4 * 5 * For the actual definitions of the calls for sems please look in 6 * OS.h 7 */ 8 9 #ifndef _SEM_H 10 #define _SEM_H 11 12 #include <OS.h> 13 #include <thread.h> 14 #include <stage2.h> 15 16 /* user calls */ 17 sem_id user_create_sem(int32 count, const char *name); 18 status_t user_delete_sem(sem_id id); 19 status_t user_delete_sem_etc(sem_id id, status_t return_code, bool interrupted); 20 status_t user_acquire_sem(sem_id id); 21 status_t user_acquire_sem_etc(sem_id id, int32 count, uint32 flags, bigtime_t timeout); 22 status_t user_release_sem(sem_id id); 23 status_t user_release_sem_etc(sem_id id, int32 count, uint32 flags); 24 status_t user_get_sem_count(sem_id id, int32* thread_count); 25 status_t user_get_sem_info(sem_id, struct sem_info *, size_t); 26 status_t user_get_next_sem_info(team_id, int32 *, struct sem_info *, size_t); 27 status_t user_set_sem_owner(sem_id id, team_id team); 28 29 /* kernel calls */ 30 extern sem_id create_sem_etc(int32 count, const char *name, team_id owner); 31 extern status_t sem_init(kernel_args *ka); 32 extern int sem_delete_owned_sems(team_id owner); 33 extern status_t sem_interrupt_thread(struct thread *t); 34 35 #endif /* _KERNEL_SEM_H */ 36