| #include <linux/atomic.h> |
| #include <linux/rcupdate.h> |
| #include <uapi/linux/sem.h> |
| /* One sem_array data structure for each set of semaphores in the system. */ |
| struct kern_ipc_perm ____cacheline_aligned_in_smp |
| sem_perm; /* permissions .. see ipc.h */ |
| time_t sem_ctime; /* last change time */ |
| struct sem *sem_base; /* ptr to first semaphore in array */ |
| struct list_head pending_alter; /* pending operations */ |
| /* that alter the array */ |
| struct list_head pending_const; /* pending complex operations */ |
| /* that do not alter semvals */ |
| struct list_head list_id; /* undo requests on this array */ |
| int sem_nsems; /* no. of semaphores in array */ |
| int complex_count; /* pending complex operations */ |
| struct sem_undo_list *undo_list; |
| extern int copy_semundo(unsigned long clone_flags, struct task_struct *tsk); |
| extern void exit_sem(struct task_struct *tsk); |
| static inline int copy_semundo(unsigned long clone_flags, struct task_struct *tsk) |
| static inline void exit_sem(struct task_struct *tsk) |
| #endif /* _LINUX_SEM_H */ |