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- #ifndef _SYS_SEM_H
- #define _SYS_SEM_H
-
- #include <features.h>
-
- #include <sys/ipc.h>
- #include <linux/sem.h>
- #include <asm/bitops.h>
-
- /*
- * <asm/bitops.h>:
- * set_bit, clear_bit, test_bit
- * all return the value of the bit prior to alteration.
- * It seems they are more useful than sysv sems if you
- * dont have a need for semaphore arrays.
- */
-
- __BEGIN_DECLS
-
- extern int semget __P((key_t __key, int __nsems, int __semflg));
- extern int semop __P((int __semid, struct sembuf *__sops, unsigned __nsops));
- extern int semctl __P((int __semid, int __semnum, int __cmd,
- union semun __arg));
-
- __END_DECLS
-
- #endif /* _SYS_SEM_H */
-