diff options
Diffstat (limited to 'mdk-stage1/dietlibc/include/sys/sem.h')
-rw-r--r-- | mdk-stage1/dietlibc/include/sys/sem.h | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/mdk-stage1/dietlibc/include/sys/sem.h b/mdk-stage1/dietlibc/include/sys/sem.h deleted file mode 100644 index ad16b5f53..000000000 --- a/mdk-stage1/dietlibc/include/sys/sem.h +++ /dev/null @@ -1,81 +0,0 @@ -#ifndef _SYS_SEM_H -#define _SYS_SEM_H - -#include <sys/ipc.h> - -/* semop flags */ -#define SEM_UNDO 0x1000 /* undo the operation on exit */ - -/* semctl Command Definitions. */ -#define GETPID 11 /* get sempid */ -#define GETVAL 12 /* get semval */ -#define GETALL 13 /* get all semval's */ -#define GETNCNT 14 /* get semncnt */ -#define GETZCNT 15 /* get semzcnt */ -#define SETVAL 16 /* set semval */ -#define SETALL 17 /* set all semval's */ - -/* ipcs ctl cmds */ -#define SEM_STAT 18 -#define SEM_INFO 19 - -struct semid_ds { - struct ipc_perm sem_perm; /* permissions .. see ipc.h */ - time_t sem_otime; /* last semop time */ - time_t sem_ctime; /* last change time */ - struct sem *sem_base; /* ptr to first semaphore in array */ - struct sem_queue *sem_pending; /* pending operations to be processed */ - struct sem_queue **sem_pending_last; /* last pending operation */ - struct sem_undo *undo; /* undo requests on this array */ - unsigned short sem_nsems; /* no. of semaphores in array */ -}; - -/* semop system calls takes an array of these. */ -struct sembuf { - unsigned short sem_num; /* semaphore index in array */ - short sem_op; /* semaphore operation */ - short sem_flg; /* operation flags */ -}; - -/* please complain to the glibc goons for the following misbehaviour */ -#if 0 -/* arg for semctl system calls. */ -union semun { - int val; /* value for SETVAL */ - struct semid_ds *buf; /* buffer for IPC_STAT & IPC_SET */ - unsigned short *array; /* array for GETALL & SETALL */ - struct seminfo *__buf; /* buffer for IPC_INFO */ - void *__pad; -}; -#endif -#define _SEM_SEMUN_UNDEFINED - -struct seminfo { - int semmap; - int semmni; - int semmns; - int semmnu; - int semmsl; - int semopm; - int semume; - int semusz; - int semvmx; - int semaem; -}; - -#define SEMMNI 128 /* <= IPCMNI max # of semaphore identifiers */ -#define SEMMSL 250 /* <= 8 000 max num of semaphores per id */ -#define SEMMNS (SEMMNI*SEMMSL) /* <= INT_MAX max # of semaphores in system */ -#define SEMOPM 32 /* <= 1 000 max num of ops per semop call */ -#define SEMVMX 32767 /* <= 32767 semaphore maximum value */ - -extern int semget( key_t key, int nsems, int semflg) __THROW; - -/* The prototype really is: - * extern int semctl(int semid, int semnum, int cmd, union semun arg) __THROW; - * glibc bug compatibility forces us to write it like this: */ -extern int semctl(int semid, int semnum, int cmd, ...) __THROW; - -extern int semop(int semid, struct sembuf *sops, unsigned nsops) __THROW; - -#endif |